{-# LANGUAGE CPP #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE GADTs #-}
{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE QuasiQuotes #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE TupleSections #-}
{-# LANGUAGE TypeApplications #-}
{-# LANGUAGE PatternSynonyms #-}
{-# LANGUAGE TypeOperators #-}
{-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}

module Simplex.Chat.Store.Direct
  ( updateContactLDN_,
    updateContactProfile_,
    updateContactProfile_',
    clearConflictingContactProfileSimplexName_,
    updateMemberContactProfileReset_',
    updateMemberContactProfileReset_,
    updateMemberContactProfile_,
    updateMemberContactProfile_',
    deleteContactProfile_,
    deleteUnusedProfile_,

    -- * Contacts and connections functions
    getPendingContactConnection,
    deletePendingContactConnection,
    createDirectConnection',
    createDirectConnection,
    createIncognitoProfile,
    createConnReqConnection,
    createRelayMemberConnectionAsync,
    createRelayTestConnection,
    updateConnLinkData,
    setPreparedGroupStartedConnection,
    getProfileById,
    getConnReqContactXContactId,
    createPreparedContact,
    updatePreparedContactUser,
    createDirectContact,
    deleteContactConnections,
    deleteContactFiles,
    deleteContact,
    deleteContactWithoutGroups,
    getDeletedContacts,
    getContactByName,
    getContactBySimplexName,
    getContact,
    getContactViaShortLinkToConnect,
    getContactIdByName,
    getContactIdBySimplexName,
    updateContactProfile,
    updateContactProfileWithConflict,
    updateContactUserPreferences,
    updateContactAlias,
    updateContactConnectionAlias,
    updatePCCIncognito,
    deletePCCIncognitoProfile,
    updateContactUnreadChat,
    setUserChatsRead,
    updateContactStatus,
    updateGroupUnreadChat,
    setConnectionVerified,
    incAuthErrCounter,
    setAuthErrCounter,
    incQuotaErrCounter,
    setQuotaErrCounter,
    getUserContacts,
    getUserContactLinkIdByCReq,
    getContactRequest,
    getContactRequest',
    getBusinessContactRequest,
    getContactRequestIdByName,
    deleteContactRequest,
    createContactFromRequest,
    createAcceptedContactConn,
    updateContactAccepted,
    getUserByContactRequestId,
    getContactConnections,
    getConnectionById,
    getConnectionsContacts,
    updateConnectionStatus,
    updateConnectionStatusFromTo,
    updateContactSettings,
    setConnConnReqInv,
    resetContactConnInitiated,
    setContactCustomData,
    setContactUIThemes,
    setContactChatDeleted,
    getDirectChatTags,
    addDirectChatTags,
    updateDirectChatTags,
    setDirectChatTTL,
    getDirectChatTTL,
    getUserContactsToExpire
  )
where

import Control.Monad
import Control.Monad.Except
import Control.Monad.IO.Class
import Data.Either (rights)
import Data.Functor (($>))
import Data.Int (Int64)
import Data.Maybe (fromMaybe, isJust, isNothing)
import Data.Text (Text)
import Data.Time.Clock (UTCTime (..), getCurrentTime)
import Data.Type.Equality
import Simplex.Chat.Messages
import Simplex.Chat.Store.Shared
import Simplex.Chat.Types
import Simplex.Chat.Types.Preferences
import Simplex.Chat.Types.UITheme
import Simplex.Messaging.Agent.Protocol (AConnectionRequestUri (..), ACreatedConnLink (..), ConnId, ConnShortLink, ConnectionModeI (..), ConnectionRequestUri, CreatedConnLink (..), SimplexNameInfo, UserId)
import Simplex.Messaging.Agent.Store.AgentStore (firstRow, maybeFirstRow)
import Simplex.Messaging.Agent.Store.DB (BoolInt (..))
import qualified Simplex.Messaging.Agent.Store.DB as DB
import Simplex.Messaging.Crypto.Ratchet (PQSupport, pattern PQSupportOff)
import qualified Simplex.Messaging.Crypto.Ratchet as CR
import Simplex.Messaging.Protocol (SubscriptionMode (..))
#if defined(dbPostgres)
import Database.PostgreSQL.Simple (Only (..), Query, (:.) (..))
import Database.PostgreSQL.Simple.SqlQQ (sql)
#else
import Database.SQLite.Simple (Only (..), Query, (:.) (..))
import Database.SQLite.Simple.QQ (sql)
#endif

getPendingContactConnection :: DB.Connection -> UserId -> Int64 -> ExceptT StoreError IO PendingContactConnection
getPendingContactConnection db userId connId = do
  ExceptT . firstRow toPendingContactConnection (SEPendingConnectionNotFound connId) $
    DB.query
      db
      [sql|
        SELECT connection_id, agent_conn_id, conn_status, via_contact_uri_hash, via_user_contact_link, group_link_id, custom_user_profile_id, conn_req_inv, short_link_inv, local_alias, created_at, updated_at
        FROM connections
        WHERE user_id = ?
          AND connection_id = ?
          AND conn_type = ?
          AND contact_id IS NULL
          AND conn_level = 0
          AND via_contact IS NULL
      |]
      (userId, connId, ConnContact)

deletePendingContactConnection :: DB.Connection -> UserId -> Int64 -> IO ()
deletePendingContactConnection db userId connId =
  DB.execute
    db
    [sql|
      DELETE FROM connections
        WHERE user_id = ?
          AND connection_id = ?
          AND conn_type = ?
          AND contact_id IS NULL
          AND conn_level = 0
          AND via_contact IS NULL
    |]
    (userId, connId, ConnContact)

createConnReqConnection :: DB.Connection -> UserId -> ConnId -> Maybe PreparedChatEntity -> ConnReqContact -> ConnReqUriHash -> Maybe ShortLinkContact -> XContactId -> Maybe IncognitoProfile -> Maybe GroupLinkId -> SubscriptionMode -> VersionChat -> PQSupport -> IO Connection
createConnReqConnection db userId acId preparedEntity_ cReq cReqHash sLnk xContactId incognitoProfile groupLinkId subMode chatV pqSup = do
  currentTs <- getCurrentTime
  customUserProfileId <- forM incognitoProfile $ \case
    NewIncognito p -> createIncognitoProfile_ db userId currentTs p
    ExistingIncognito LocalProfile {profileId = pId} -> pure pId
  let connStatus = ConnPrepared
  DB.execute
    db
    [sql|
      INSERT INTO connections (
        user_id, agent_conn_id, conn_status, conn_type, contact_conn_initiated,
        via_contact_uri, via_contact_uri_hash, via_short_link_contact, contact_id, group_member_id,
        xcontact_id, custom_user_profile_id, via_group_link, group_link_id,
        created_at, updated_at, to_subscribe, conn_chat_version, pq_support, pq_encryption
      ) VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)
    |]
    ( (userId, acId, connStatus, connType, BI True)
        :. (cReq, cReqHash, sLnk, contactId_, groupMemberId_)
        :. (xContactId, customUserProfileId, BI (isJust groupLinkId), groupLinkId)
        :. (currentTs, currentTs, BI (subMode == SMOnlyCreate), chatV, pqSup, pqSup)
    )
  connId <- insertedRowId db
  case preparedEntity_ of
    -- For relay groups, setPreparedGroupLinkInfo_ is called via updatePreparedRelayedGroup before the relay loop
    Just (PCEGroup gInfo _) | not (useRelays' gInfo) ->
      setPreparedGroupLinkInfo_ db gInfo cReq cReqHash customUserProfileId Nothing currentTs
    _ -> pure ()
  pure
    Connection
      { connId,
        agentConnId = AgentConnId acId,
        connChatVersion = chatV,
        -- TODO (proposed):
        -- - add agent version 8 for short links
        -- - update agentToChatVersion to convert 8 to 16
        -- - return and correctly set peer's range from link (via connRequestPQSupport)
        peerChatVRange = chatInitialVRange, -- this is 1-1
        connLevel = 0,
        viaContact = Nothing,
        viaUserContactLink = Nothing,
        viaGroupLink = isJust groupLinkId,
        groupLinkId,
        xContactId = Just xContactId,
        customUserProfileId,
        connType,
        connStatus,
        contactConnInitiated = True,
        localAlias = "",
        entityId,
        connectionCode = Nothing,
        pqSupport = pqSup,
        pqEncryption = CR.pqSupportToEnc pqSup,
        pqSndEnabled = Nothing,
        pqRcvEnabled = Nothing,
        authErrCounter = 0,
        quotaErrCounter = 0,
        createdAt = currentTs,
        simplexName = Nothing
      }
  where
    (connType, contactId_, groupMemberId_, entityId) = case preparedEntity_ of
      Just (PCEContact Contact {contactId}) -> (ConnContact, Just contactId, Nothing, Just contactId)
      Just (PCEGroup _ GroupMember {groupMemberId}) -> (ConnMember, Nothing, Just groupMemberId, Just groupMemberId)
      Nothing -> (ConnContact, Nothing, Nothing, Nothing)

createRelayMemberConnectionAsync :: DB.Connection -> User -> GroupInfo -> GroupMember -> ShortLinkContact -> (CommandId, ConnId) -> SubscriptionMode -> IO ()
createRelayMemberConnectionAsync db user@User {userId} gInfo GroupMember {groupMemberId} relayLink (cmdId, agentConnId) subMode = do
  currentTs <- getCurrentTime
  DB.execute
    db
    [sql|
      INSERT INTO connections (
        user_id, agent_conn_id, conn_status, conn_type, contact_conn_initiated,
        group_member_id, via_short_link_contact, custom_user_profile_id, via_group_link,
        created_at, updated_at, to_subscribe
      ) VALUES (?,?,?,?,?,?,?,?,?,?,?,?)
    |]
    ( (userId, agentConnId, ConnNew, ConnMember, BI True)
        :. (groupMemberId, relayLink, customUserProfileId_, BI True)
        :. (currentTs, currentTs, BI (subMode == SMOnlyCreate))
    )
  connId <- insertedRowId db
  setCommandConnId db user cmdId connId
  where
    customUserProfileId_ = localProfileId <$> incognitoMembershipProfile gInfo

createRelayTestConnection :: DB.Connection -> VersionRangeChat -> User -> ConnId -> ConnStatus -> VersionChat -> SubscriptionMode -> ExceptT StoreError IO Connection
createRelayTestConnection db vr user@User {userId} agentConnId connStatus chatV subMode = do
  currentTs <- liftIO getCurrentTime
  liftIO $
    DB.execute
      db
      [sql|
        INSERT INTO connections (
          user_id, agent_conn_id, conn_level, conn_status, conn_type,
          conn_chat_version, to_subscribe, pq_support, pq_encryption,
          relay_test, created_at, updated_at
        ) VALUES (?,?,?,?,?,?,?,?,?,?,?,?)
      |]
      ( (userId, agentConnId, 0 :: Int, connStatus, ConnContact)
          :. (chatV, BI (subMode == SMOnlyCreate), PQSupportOff, PQSupportOff)
          :. (BI True, currentTs, currentTs)
      )
  connId <- liftIO $ insertedRowId db
  getConnectionById db vr user connId

updateConnLinkData :: DB.Connection -> User -> Connection -> ConnReqContact -> ConnReqUriHash -> Maybe GroupLinkId -> VersionChat -> PQSupport -> IO ()
updateConnLinkData db User {userId} Connection {connId} cReq cReqHash groupLinkId_ chatV pqSup = do
  currentTs <- getCurrentTime
  DB.execute
    db
    [sql|
      UPDATE connections
      SET via_contact_uri = ?, via_contact_uri_hash = ?, group_link_id = ?,
          conn_chat_version = ?, pq_support = ?, pq_encryption = ?,
          updated_at = ?
      WHERE user_id = ? AND connection_id = ?
    |]
    (cReq, cReqHash, groupLinkId_, chatV, pqSup, pqSup, currentTs, userId, connId)

setPreparedGroupStartedConnection :: DB.Connection -> GroupId -> IO ()
setPreparedGroupStartedConnection db groupId = do
  currentTs <- getCurrentTime
  DB.execute
    db
    "UPDATE groups SET conn_link_started_connection = ?, updated_at = ? WHERE group_id = ?"
    (BI True, currentTs, groupId)

getConnReqContactXContactId :: DB.Connection -> VersionRangeChat -> User -> ConnReqUriHash -> ConnReqUriHash -> IO (Either (Maybe Connection) Contact)
getConnReqContactXContactId db vr user@User {userId} cReqHash1 cReqHash2 =
  getContactByConnReqHash db vr user cReqHash1 cReqHash2 >>= maybe (Left <$> getConnection) (pure . Right)
  where
    getConnection :: IO (Maybe Connection)
    getConnection =
      maybeFirstRow (toConnection vr) $
        DB.query
          db
          [sql|
            SELECT connection_id, agent_conn_id, conn_level, via_contact, via_user_contact_link, via_group_link, group_link_id, xcontact_id, custom_user_profile_id, conn_status, conn_type, contact_conn_initiated, local_alias,
              contact_id, group_member_id, user_contact_link_id, created_at, security_code, security_code_verified_at, pq_support, pq_encryption, pq_snd_enabled, pq_rcv_enabled, auth_err_counter, quota_err_counter,
              conn_chat_version, peer_chat_min_version, peer_chat_max_version, simplex_name
            FROM connections
            WHERE (user_id = ? AND via_contact_uri_hash = ?)
               OR (user_id = ? AND via_contact_uri_hash = ?)
            LIMIT 1
          |]
          (userId, cReqHash1, userId, cReqHash2)

getContactByConnReqHash :: DB.Connection -> VersionRangeChat -> User -> ConnReqUriHash -> ConnReqUriHash -> IO (Maybe Contact)
getContactByConnReqHash db vr user@User {userId} cReqHash1 cReqHash2 = do
  ct <-
    maybeFirstRow (toContact vr user []) $
      DB.query
        db
        [sql|
          SELECT
            -- Contact
            ct.contact_id, ct.contact_profile_id, ct.local_display_name, cp.display_name, cp.full_name, cp.short_descr, cp.image, cp.contact_link, cp.chat_peer_type, cp.local_alias, ct.contact_used, ct.contact_status, ct.enable_ntfs, ct.send_rcpts, ct.favorite,
            cp.preferences, ct.user_preferences, ct.created_at, ct.updated_at, ct.chat_ts, ct.conn_full_link_to_connect, ct.conn_short_link_to_connect, ct.welcome_shared_msg_id, ct.request_shared_msg_id, ct.contact_request_id,
            ct.contact_group_member_id, ct.contact_grp_inv_sent, ct.grp_direct_inv_link, ct.grp_direct_inv_from_group_id, ct.grp_direct_inv_from_group_member_id, ct.grp_direct_inv_from_member_conn_id, ct.grp_direct_inv_started_connection,
            ct.ui_themes, ct.chat_deleted, ct.custom_data, ct.chat_item_ttl, ct.simplex_name, cp.simplex_name,
            -- Connection
            c.connection_id, c.agent_conn_id, c.conn_level, c.via_contact, c.via_user_contact_link, c.via_group_link, c.group_link_id, c.xcontact_id, c.custom_user_profile_id, c.conn_status, c.conn_type, c.contact_conn_initiated, c.local_alias,
            c.contact_id, c.group_member_id, c.user_contact_link_id, c.created_at, c.security_code, c.security_code_verified_at, c.pq_support, c.pq_encryption, c.pq_snd_enabled, c.pq_rcv_enabled, c.auth_err_counter, c.quota_err_counter,
            c.conn_chat_version, c.peer_chat_min_version, c.peer_chat_max_version, c.simplex_name
          FROM contacts ct
          JOIN contact_profiles cp ON ct.contact_profile_id = cp.contact_profile_id
          JOIN connections c ON c.contact_id = ct.contact_id
          WHERE
            ( (c.user_id = ? AND c.via_contact_uri_hash = ?) OR
              (c.user_id = ? AND c.via_contact_uri_hash = ?)
            ) AND ct.contact_status = ? AND ct.deleted = 0
        |]
        (userId, cReqHash1, userId, cReqHash2, CSActive)
  mapM (addDirectChatTags db) ct

createDirectConnection' :: DB.Connection -> UserId -> ConnId -> CreatedLinkInvitation -> Maybe ContactId -> ConnStatus -> Maybe Profile -> SubscriptionMode -> VersionChat -> PQSupport -> IO Connection
createDirectConnection' db userId acId ccLink contactId_ connStatus incognitoProfile subMode chatV pqSup = do
  createdAt <- getCurrentTime
  (connId, customUserProfileId, contactConnInitiated) <- createDirectConnection_ db userId acId ccLink contactId_ connStatus incognitoProfile subMode chatV pqSup createdAt
  pure
    Connection
      { connId,
        agentConnId  = AgentConnId acId,
        connChatVersion = chatV,
        peerChatVRange = chatInitialVRange, -- see comment in createConnReqConnection
        connLevel = 0,
        viaContact = Nothing,
        viaUserContactLink = Nothing,
        viaGroupLink = False,
        groupLinkId = Nothing,
        xContactId = Nothing,
        customUserProfileId,
        connType = ConnContact,
        connStatus,
        contactConnInitiated,
        localAlias = "",
        entityId = contactId_,
        connectionCode = Nothing,
        pqSupport = pqSup,
        pqEncryption = CR.pqSupportToEnc pqSup,
        pqSndEnabled = Nothing,
        pqRcvEnabled = Nothing,
        authErrCounter = 0,
        quotaErrCounter = 0,
        createdAt,
        simplexName = Nothing
      }

createDirectConnection :: DB.Connection -> User -> ConnId -> CreatedLinkInvitation -> Maybe ContactId -> ConnStatus -> Maybe Profile -> SubscriptionMode -> VersionChat -> PQSupport -> IO PendingContactConnection
createDirectConnection db User {userId} acId ccLink contactId_ pccConnStatus incognitoProfile subMode chatV pqSup = do
  createdAt <- getCurrentTime
  (pccConnId, customUserProfileId, _) <- createDirectConnection_ db userId acId ccLink contactId_ pccConnStatus incognitoProfile subMode chatV pqSup createdAt
  pure PendingContactConnection {pccConnId, pccAgentConnId = AgentConnId acId, pccConnStatus, viaContactUri = False, viaUserContactLink = Nothing, groupLinkId = Nothing, customUserProfileId, connLinkInv = Just ccLink, localAlias = "", createdAt, updatedAt = createdAt}

createDirectConnection_ :: DB.Connection -> UserId -> ConnId -> CreatedLinkInvitation -> Maybe ContactId -> ConnStatus -> Maybe Profile -> SubscriptionMode -> VersionChat -> PQSupport -> UTCTime -> IO (Int64, Maybe Int64, Bool)
createDirectConnection_ db userId acId (CCLink cReq shortLinkInv) contactId_ pccConnStatus incognitoProfile subMode chatV pqSup createdAt = do
  customUserProfileId <- mapM (createIncognitoProfile_ db userId createdAt) incognitoProfile
  let contactConnInitiated = pccConnStatus == ConnNew
  DB.execute
    db
    [sql|
      INSERT INTO connections
        (user_id, agent_conn_id, conn_req_inv, short_link_inv, conn_status, conn_type, contact_id, contact_conn_initiated, custom_user_profile_id,
         created_at, updated_at, to_subscribe, conn_chat_version, pq_support, pq_encryption)
      VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)
    |]
    ( (userId, acId, cReq, shortLinkInv, pccConnStatus, ConnContact, contactId_, BI contactConnInitiated, customUserProfileId)
        :. (createdAt, createdAt, BI (subMode == SMOnlyCreate), chatV, pqSup, pqSup)
    )
  connId <- insertedRowId db
  pure (connId, customUserProfileId, contactConnInitiated)

createIncognitoProfile :: DB.Connection -> User -> Profile -> IO Int64
createIncognitoProfile db User {userId} p = do
  createdAt <- getCurrentTime
  createIncognitoProfile_ db userId createdAt p

-- | Returns (contact, displaced) — displaced is Just the display_name of a
-- contact_profiles row whose peer-claimed simplex_name was cleared to make
-- room for the new contact's claim, so the caller can emit
-- CEvtSimplexNameConflict.
createPreparedContact :: DB.Connection -> VersionRangeChat -> User -> Profile -> ACreatedConnLink -> Maybe SharedMsgId -> Maybe SimplexNameInfo -> ExceptT StoreError IO (Contact, Maybe ContactName)
createPreparedContact db vr user p connLinkToConnect welcomeSharedMsgId simplexName = do
  currentTs <- liftIO getCurrentTime
  let prepared = Just (connLinkToConnect, welcomeSharedMsgId)
      ctUserPreferences = newContactUserPrefs user p
  (contactId, displaced) <- createContact_ db user p ctUserPreferences prepared "" currentTs simplexName
  ct <- getContact db vr user contactId
  pure (ct, displaced)

updatePreparedContactUser :: DB.Connection -> VersionRangeChat -> User -> Contact -> User -> ExceptT StoreError IO Contact
updatePreparedContactUser
  db
  vr
  user
  Contact {contactId, localDisplayName = oldLDN, profile = profile@LocalProfile {profileId, displayName}}
  newUser@User {userId = newUserId} = do
    ExceptT . withLocalDisplayName db newUserId displayName $ \newLDN -> runExceptT $ do
      liftIO $ do
        currentTs <- getCurrentTime
        let ctUserPreferences = newContactUserPrefs newUser (fromLocalProfile profile)
        DB.execute
          db
          [sql|
            UPDATE contacts
            SET user_id = ?, local_display_name = ?, user_preferences = ?, updated_at = ?
            WHERE contact_id = ?
          |]
          (newUserId, newLDN, ctUserPreferences, currentTs, contactId)
        DB.execute
          db
          [sql|
            UPDATE contact_profiles
            SET user_id = ?, updated_at = ?
            WHERE contact_profile_id = ?
          |]
          (newUserId, currentTs, profileId)
        DB.execute
          db
          [sql|
            UPDATE chat_items
            SET user_id = ?, updated_at = ?
            WHERE contact_id = ?
          |]
          (newUserId, currentTs, contactId)
        safeDeleteLDN db user oldLDN
      getContact db vr newUser contactId

-- | Returns (contact, displaced) — see createPreparedContact for displaced.
createDirectContact :: DB.Connection -> VersionRangeChat -> User -> Connection -> Profile -> Maybe SimplexNameInfo -> ExceptT StoreError IO (Contact, Maybe ContactName)
createDirectContact db vr user Connection {connId, localAlias} p simplexName = do
  currentTs <- liftIO getCurrentTime
  let ctUserPreferences = newContactUserPrefs user p
  (contactId, displaced) <- createContact_ db user p ctUserPreferences Nothing localAlias currentTs simplexName
  liftIO $ DB.execute db "UPDATE connections SET contact_id = ?, updated_at = ? WHERE connection_id = ?" (contactId, currentTs, connId)
  ct <- getContact db vr user contactId
  pure (ct, displaced)

deleteContactConnections :: DB.Connection -> User -> Contact -> IO ()
deleteContactConnections db User {userId} Contact {contactId} = do
  DB.execute
    db
    [sql|
      DELETE FROM connections WHERE connection_id IN (
        SELECT connection_id
        FROM connections c
        JOIN contacts ct ON ct.contact_id = c.contact_id
        WHERE ct.user_id = ? AND ct.contact_id = ?
      )
    |]
    (userId, contactId)

deleteContactFiles :: DB.Connection -> User -> Contact -> IO ()
deleteContactFiles db User {userId} Contact {contactId} = do
  DB.execute db "DELETE FROM files WHERE user_id = ? AND contact_id = ?" (userId, contactId)

deleteContact :: DB.Connection -> User -> Contact -> ExceptT StoreError IO ()
deleteContact db user@User {userId} ct@Contact {contactId, localDisplayName, activeConn} = do
  assertNotUser db user ct
  liftIO $ do
    DB.execute db "DELETE FROM chat_items WHERE user_id = ? AND contact_id = ?" (userId, contactId)
    ctMember :: (Maybe ContactId) <- maybeFirstRow fromOnly $ DB.query db "SELECT contact_id FROM group_members WHERE contact_id = ? LIMIT 1" (Only contactId)
    if isNothing ctMember
      then do
        deleteContactProfile_ db userId contactId
        -- user's local display name already checked in assertNotUser
        DB.execute db "DELETE FROM display_names WHERE user_id = ? AND local_display_name = ?" (userId, localDisplayName)
      else do
        currentTs <- getCurrentTime
        DB.execute db "UPDATE group_members SET contact_id = NULL, updated_at = ? WHERE user_id = ? AND contact_id = ?" (currentTs, userId, contactId)
    DB.execute db "DELETE FROM contacts WHERE user_id = ? AND contact_id = ?" (userId, contactId)
    forM_ activeConn $ \Connection {customUserProfileId} ->
      forM_ customUserProfileId $ \profileId ->
        deleteUnusedIncognitoProfileById_ db user profileId

-- should only be used if contact is not member of any groups
deleteContactWithoutGroups :: DB.Connection -> User -> Contact -> ExceptT StoreError IO ()
deleteContactWithoutGroups db user@User {userId} ct@Contact {contactId, localDisplayName, activeConn} = do
  assertNotUser db user ct
  liftIO $ do
    DB.execute db "DELETE FROM chat_items WHERE user_id = ? AND contact_id = ?" (userId, contactId)
    deleteContactProfile_ db userId contactId
    -- user's local display name already checked in assertNotUser
    DB.execute db "DELETE FROM display_names WHERE user_id = ? AND local_display_name = ?" (userId, localDisplayName)
    DB.execute db "DELETE FROM contacts WHERE user_id = ? AND contact_id = ?" (userId, contactId)
    forM_ activeConn $ \Connection {customUserProfileId} ->
      forM_ customUserProfileId $ \profileId ->
        deleteUnusedIncognitoProfileById_ db user profileId

-- TODO remove in future versions: only used for legacy contact cleanup
getDeletedContacts :: DB.Connection -> VersionRangeChat -> User -> IO [Contact]
getDeletedContacts db vr user@User {userId} = do
  contactIds <- map fromOnly <$> DB.query db "SELECT contact_id FROM contacts WHERE user_id = ? AND deleted = 1" (Only userId)
  rights <$> mapM (runExceptT . getDeletedContact db vr user) contactIds

getDeletedContact :: DB.Connection -> VersionRangeChat -> User -> Int64 -> ExceptT StoreError IO Contact
getDeletedContact db vr user contactId = getContact_ db vr user contactId True

deleteContactProfile_ :: DB.Connection -> UserId -> ContactId -> IO ()
deleteContactProfile_ db userId contactId =
  DB.execute
    db
    [sql|
      DELETE FROM contact_profiles
      WHERE contact_profile_id in (
        SELECT contact_profile_id
        FROM contacts
        WHERE user_id = ? AND contact_id = ?
      )
    |]
    (userId, contactId)

deleteUnusedProfile_ :: DB.Connection -> UserId -> ProfileId -> IO ()
deleteUnusedProfile_ db userId profileId =
  DB.execute
    db
    [sql|
      DELETE FROM contact_profiles
      WHERE user_id = ? AND contact_profile_id = ?
        AND 1 NOT IN (
          SELECT 1 FROM connections
          WHERE user_id = ? AND custom_user_profile_id = ? LIMIT 1
        )
        AND 1 NOT IN (
          SELECT 1 FROM contacts
          WHERE user_id = ? AND contact_profile_id = ? LIMIT 1
        )
        AND 1 NOT IN (
          SELECT 1 FROM contact_requests
          WHERE user_id = ? AND contact_profile_id = ? LIMIT 1
        )
        AND 1 NOT IN (
          SELECT 1 FROM group_members
          WHERE user_id = ?
            AND (member_profile_id = ? OR contact_profile_id = ?)
          LIMIT 1
        )
    |]
    ( (userId, profileId, userId, profileId, userId, profileId)
        :. (userId, profileId, userId, profileId, profileId)
    )

updateContactProfile :: DB.Connection -> User -> Contact -> Profile -> ExceptT StoreError IO Contact
updateContactProfile db user c p' = fst <$> updateContactProfileWithConflict db user c p'

-- | Like updateContactProfile but additionally clears the simplex_name on any
-- other contact_profiles row in the same user that already holds the same
-- (user_id, simplex_name) — returning that row's display_name so the caller
-- can emit CEvtSimplexNameConflict. Used by the incoming-XInfo path; local
-- updates that don't expect conflicts can continue to use updateContactProfile.
updateContactProfileWithConflict :: DB.Connection -> User -> Contact -> Profile -> ExceptT StoreError IO (Contact, Maybe ContactName)
updateContactProfileWithConflict db user@User {userId} c p'
  | displayName == newName = do
      displaced <- liftIO $ clearConflictingContactProfileSimplexName_ db userId (Just profileId) profileSimplexName
      liftIO $ updateContactProfile_ db userId profileId p'
      pure (c {profile, mergedPreferences}, displaced)
  | otherwise =
      ExceptT . withLocalDisplayName db userId newName $ \ldn -> do
        currentTs <- getCurrentTime
        displaced <- clearConflictingContactProfileSimplexName_ db userId (Just profileId) profileSimplexName
        updateContactProfile_' db userId profileId p' currentTs
        updateContactLDN_ db user contactId localDisplayName ldn currentTs
        pure $ Right (c {localDisplayName = ldn, profile, mergedPreferences}, displaced)
  where
    Contact {contactId, localDisplayName, profile = LocalProfile {profileId, displayName, localAlias}, userPreferences} = c
    Profile {displayName = newName, simplexName = profileSimplexName, preferences} = p'
    profile = toLocalProfile profileId p' localAlias
    mergedPreferences = contactUserPreferences user userPreferences preferences $ contactConnIncognito c

updateContactUserPreferences :: DB.Connection -> User -> Contact -> Preferences -> IO Contact
updateContactUserPreferences db user@User {userId} c@Contact {contactId} userPreferences = do
  updatedAt <- getCurrentTime
  DB.execute
    db
    "UPDATE contacts SET user_preferences = ?, updated_at = ? WHERE user_id = ? AND contact_id = ?"
    (userPreferences, updatedAt, userId, contactId)
  let mergedPreferences = contactUserPreferences user userPreferences (preferences' c) $ contactConnIncognito c
  pure $ c {mergedPreferences, userPreferences}

updateContactAlias :: DB.Connection -> UserId -> Contact -> LocalAlias -> IO Contact
updateContactAlias db userId c@Contact {profile = lp@LocalProfile {profileId}} localAlias = do
  updatedAt <- getCurrentTime
  DB.execute
    db
    [sql|
      UPDATE contact_profiles
      SET local_alias = ?, updated_at = ?
      WHERE user_id = ? AND contact_profile_id = ?
    |]
    (localAlias, updatedAt, userId, profileId)
  pure $ (c :: Contact) {profile = lp {localAlias}}

updateContactConnectionAlias :: DB.Connection -> UserId -> PendingContactConnection -> LocalAlias -> IO PendingContactConnection
updateContactConnectionAlias db userId conn localAlias = do
  updatedAt <- getCurrentTime
  DB.execute
    db
    [sql|
      UPDATE connections
      SET local_alias = ?, updated_at = ?
      WHERE user_id = ? AND connection_id = ?
    |]
    (localAlias, updatedAt, userId, pccConnId conn)
  pure (conn :: PendingContactConnection) {localAlias, updatedAt}

updatePCCIncognito :: DB.Connection -> User -> PendingContactConnection -> Maybe ProfileId -> Maybe ShortLinkInvitation -> IO PendingContactConnection
updatePCCIncognito db User {userId} conn@PendingContactConnection {connLinkInv} customUserProfileId sLnk = do
  updatedAt <- getCurrentTime
  DB.execute
    db
    [sql|
      UPDATE connections
      SET custom_user_profile_id = ?, short_link_inv = ?, updated_at = ?
      WHERE user_id = ? AND connection_id = ?
    |]
    (customUserProfileId, sLnk, updatedAt, userId, pccConnId conn)
  pure (conn :: PendingContactConnection) {customUserProfileId, connLinkInv = connLinkInv', updatedAt}
  where
    connLinkInv' = case connLinkInv of
      Just (CCLink cReq _) -> Just (CCLink cReq sLnk)
      Nothing -> Nothing

deletePCCIncognitoProfile :: DB.Connection -> User -> ProfileId -> IO ()
deletePCCIncognitoProfile db User {userId} profileId =
  DB.execute
    db
    [sql|
      DELETE FROM contact_profiles
      WHERE user_id = ? AND contact_profile_id = ? AND incognito = 1
    |]
    (userId, profileId)

updateContactUnreadChat :: DB.Connection -> User -> Contact -> Bool -> IO ()
updateContactUnreadChat db User {userId} Contact {contactId} unreadChat = do
  updatedAt <- getCurrentTime
  DB.execute db "UPDATE contacts SET unread_chat = ?, updated_at = ? WHERE user_id = ? AND contact_id = ?" (BI unreadChat, updatedAt, userId, contactId)

setUserChatsRead :: DB.Connection -> User -> IO ()
setUserChatsRead db User {userId} = do
  updatedAt <- getCurrentTime
  DB.execute db "UPDATE contacts SET unread_chat = ?, updated_at = ? WHERE user_id = ? AND unread_chat = ?" (BI False, updatedAt, userId, BI True)
  DB.execute db "UPDATE groups SET unread_chat = ?, updated_at = ? WHERE user_id = ? AND unread_chat = ?" (BI False, updatedAt, userId, BI True)
  DB.execute db "UPDATE note_folders SET unread_chat = ?, updated_at = ? WHERE user_id = ? AND unread_chat = ?" (BI False, updatedAt, userId, BI True)
  DB.execute db "UPDATE chat_items SET item_status = ?, item_viewed = 1, updated_at = ? WHERE user_id = ? AND item_status = ?" (CISRcvRead, updatedAt, userId, CISRcvNew)

updateContactStatus :: DB.Connection -> User -> Contact -> ContactStatus -> IO Contact
updateContactStatus db User {userId} ct@Contact {contactId} contactStatus = do
  currentTs <- getCurrentTime
  DB.execute
    db
    [sql|
      UPDATE contacts
      SET contact_status = ?, updated_at = ?
      WHERE user_id = ? AND contact_id = ?
    |]
    (contactStatus, currentTs, userId, contactId)
  pure ct {contactStatus}

updateGroupUnreadChat :: DB.Connection -> User -> GroupInfo -> Bool -> IO ()
updateGroupUnreadChat db User {userId} GroupInfo {groupId} unreadChat = do
  updatedAt <- getCurrentTime
  DB.execute db "UPDATE groups SET unread_chat = ?, updated_at = ? WHERE user_id = ? AND group_id = ?" (BI unreadChat, updatedAt, userId, groupId)

setConnectionVerified :: DB.Connection -> User -> Int64 -> Maybe Text -> IO ()
setConnectionVerified db User {userId} connId code = do
  updatedAt <- getCurrentTime
  DB.execute db "UPDATE connections SET security_code = ?, security_code_verified_at = ?, updated_at = ? WHERE user_id = ? AND connection_id = ?" (code, code $> updatedAt, updatedAt, userId, connId)

incAuthErrCounter :: DB.Connection -> User -> Connection -> IO Int
incAuthErrCounter db User {userId} Connection {connId, authErrCounter} = do
  updatedAt <- getCurrentTime
  (counter_ :: Maybe Int) <- maybeFirstRow fromOnly $ DB.query db "SELECT auth_err_counter FROM connections WHERE user_id = ? AND connection_id = ?" (userId, connId)
  let counter' = fromMaybe authErrCounter counter_ + 1
  DB.execute db "UPDATE connections SET auth_err_counter = ?, updated_at = ? WHERE user_id = ? AND connection_id = ?" (counter', updatedAt, userId, connId)
  pure counter'

setAuthErrCounter :: DB.Connection -> User -> Connection -> Int -> IO ()
setAuthErrCounter db User {userId} Connection {connId} counter = do
  updatedAt <- getCurrentTime
  DB.execute db "UPDATE connections SET auth_err_counter = ?, updated_at = ? WHERE user_id = ? AND connection_id = ?" (counter, updatedAt, userId, connId)

incQuotaErrCounter :: DB.Connection -> User -> Connection -> IO Int
incQuotaErrCounter db User {userId} Connection {connId, quotaErrCounter} = do
  updatedAt <- getCurrentTime
  (counter_ :: Maybe Int) <- maybeFirstRow fromOnly $ DB.query db "SELECT quota_err_counter FROM connections WHERE user_id = ? AND connection_id = ?" (userId, connId)
  let counter' = fromMaybe quotaErrCounter counter_ + 1
  DB.execute db "UPDATE connections SET quota_err_counter = ?, updated_at = ? WHERE user_id = ? AND connection_id = ?" (counter', updatedAt, userId, connId)
  pure counter'

setQuotaErrCounter :: DB.Connection -> User -> Connection -> Int -> IO ()
setQuotaErrCounter db User {userId} Connection {connId} counter = do
  updatedAt <- getCurrentTime
  DB.execute db "UPDATE connections SET quota_err_counter = ?, updated_at = ? WHERE user_id = ? AND connection_id = ?" (counter, updatedAt, userId, connId)

updateContactProfile_ :: DB.Connection -> UserId -> ProfileId -> Profile -> IO ()
updateContactProfile_ db userId profileId profile = do
  currentTs <- getCurrentTime
  updateContactProfile_' db userId profileId profile currentTs

updateContactProfile_' :: DB.Connection -> UserId -> ProfileId -> Profile -> UTCTime -> IO ()
updateContactProfile_' db userId profileId Profile {displayName, fullName, shortDescr, image, contactLink, simplexName, preferences, peerType} updatedAt = do
  DB.execute
    db
    [sql|
      UPDATE contact_profiles
      SET display_name = ?, full_name = ?, short_descr = ?, image = ?, contact_link = ?, simplex_name = ?, preferences = ?, chat_peer_type = ?, updated_at = ?
      WHERE user_id = ? AND contact_profile_id = ?
    |]
    ((displayName, fullName, shortDescr, image, contactLink, simplexName, preferences, peerType, updatedAt) :. (userId, profileId))

-- update only member profile fields (when member doesn't have associated contact - we can reset contactLink and prefs)
updateMemberContactProfileReset_ :: DB.Connection -> UserId -> ProfileId -> Profile -> IO ()
updateMemberContactProfileReset_ db userId profileId profile = do
  currentTs <- getCurrentTime
  updateMemberContactProfileReset_' db userId profileId profile currentTs

updateMemberContactProfileReset_' :: DB.Connection -> UserId -> ProfileId -> Profile -> UTCTime -> IO ()
updateMemberContactProfileReset_' db userId profileId Profile {displayName, fullName, shortDescr, image, simplexName} updatedAt = do
  DB.execute
    db
    [sql|
      UPDATE contact_profiles
      SET display_name = ?, full_name = ?, short_descr = ?, image = ?, contact_link = NULL, simplex_name = ?, preferences = NULL, updated_at = ?
      WHERE user_id = ? AND contact_profile_id = ?
    |]
    (displayName, fullName, shortDescr, image, simplexName, updatedAt, userId, profileId)

-- update only member profile fields (when member has associated contact - we keep contactLink and prefs)
updateMemberContactProfile_ :: DB.Connection -> UserId -> ProfileId -> Profile -> IO ()
updateMemberContactProfile_ db userId profileId profile = do
  currentTs <- getCurrentTime
  updateMemberContactProfile_' db userId profileId profile currentTs

updateMemberContactProfile_' :: DB.Connection -> UserId -> ProfileId -> Profile -> UTCTime -> IO ()
updateMemberContactProfile_' db userId profileId Profile {displayName, fullName, shortDescr, image, simplexName} updatedAt = do
  DB.execute
    db
    [sql|
      UPDATE contact_profiles
      SET display_name = ?, full_name = ?, short_descr = ?, image = ?, simplex_name = ?, updated_at = ?
      WHERE user_id = ? AND contact_profile_id = ?
    |]
    (displayName, fullName, shortDescr, image, simplexName, updatedAt, userId, profileId)

updateContactLDN_ :: DB.Connection -> User -> Int64 -> ContactName -> ContactName -> UTCTime -> IO ()
updateContactLDN_ db user@User {userId} contactId displayName newName updatedAt = do
  DB.execute
    db
    "UPDATE contacts SET local_display_name = ?, updated_at = ? WHERE user_id = ? AND contact_id = ?"
    (newName, updatedAt, userId, contactId)
  DB.execute
    db
    "UPDATE group_members SET local_display_name = ?, updated_at = ? WHERE user_id = ? AND contact_id = ?"
    (newName, updatedAt, userId, contactId)
  safeDeleteLDN db user displayName

getContactByName :: DB.Connection -> VersionRangeChat -> User -> ContactName -> ExceptT StoreError IO Contact
getContactByName db vr user localDisplayName = do
  cId <- getContactIdByName db user localDisplayName
  getContact db vr user cId

getContactBySimplexName :: DB.Connection -> VersionRangeChat -> User -> SimplexNameInfo -> ExceptT StoreError IO (Maybe Contact)
getContactBySimplexName db vr user ni =
  liftIO (getContactIdBySimplexName db user ni) >>= \case
    Nothing -> pure Nothing
    Just cId -> Just <$> getContact db vr user cId

getContactIdBySimplexName :: DB.Connection -> User -> SimplexNameInfo -> IO (Maybe Int64)
getContactIdBySimplexName db User {userId} ni =
  maybeFirstRow fromOnly $
    DB.query
      db
      [sql|
        SELECT contact_id FROM contacts
        WHERE user_id = ? AND simplex_name = ? AND deleted = 0
      |]
      (userId, ni)

getUserContacts :: DB.Connection -> VersionRangeChat -> User -> IO [Contact]
getUserContacts db vr user@User {userId} = do
  contactIds <- map fromOnly <$> DB.query db "SELECT contact_id FROM contacts WHERE user_id = ? AND deleted = 0" (Only userId)
  contacts <- rights <$> mapM (runExceptT . getContact db vr user) contactIds
  pure $ filter (\Contact {activeConn} -> isJust activeConn) contacts

getUserContactLinkIdByCReq :: DB.Connection -> Int64 -> ExceptT StoreError IO (Maybe Int64)
getUserContactLinkIdByCReq db contactRequestId =
  ExceptT . firstRow fromOnly (SEContactRequestNotFound contactRequestId) $
    DB.query db "SELECT user_contact_link_id FROM contact_requests WHERE contact_request_id = ?" (Only contactRequestId)

getContactRequest :: DB.Connection -> User -> Int64 -> ExceptT StoreError IO UserContactRequest
getContactRequest db User {userId} contactRequestId =
  ExceptT . firstRow toContactRequest (SEContactRequestNotFound contactRequestId) $
    DB.query db (contactRequestQuery <> " WHERE cr.user_id = ? AND cr.contact_request_id = ?") (userId, contactRequestId)

getContactRequest' :: DB.Connection -> User -> Int64 -> IO (Maybe UserContactRequest)
getContactRequest' db User {userId} contactRequestId =
  maybeFirstRow toContactRequest $
    DB.query db (contactRequestQuery <> " WHERE cr.user_id = ? AND cr.contact_request_id = ?") (userId, contactRequestId)

getBusinessContactRequest :: DB.Connection -> User -> GroupId -> IO (Maybe UserContactRequest)
getBusinessContactRequest db _user groupId =
  maybeFirstRow toContactRequest $
    DB.query db (contactRequestQuery <> " WHERE cr.business_group_id = ?") (Only groupId)

contactRequestQuery :: Query
contactRequestQuery =
  [sql|
    SELECT
      cr.contact_request_id, cr.local_display_name, cr.agent_invitation_id,
      cr.contact_id, cr.business_group_id, cr.user_contact_link_id,
      cr.contact_profile_id, p.display_name, p.full_name, p.short_descr, p.image, p.contact_link, p.chat_peer_type, p.simplex_name, cr.xcontact_id,
      cr.pq_support, cr.welcome_shared_msg_id, cr.request_shared_msg_id, p.preferences,
      cr.created_at, cr.updated_at,
      cr.peer_chat_min_version, cr.peer_chat_max_version
    FROM contact_requests cr
    JOIN contact_profiles p USING (contact_profile_id)
  |]

getContactRequestIdByName :: DB.Connection -> UserId -> ContactName -> ExceptT StoreError IO Int64
getContactRequestIdByName db userId cName =
  ExceptT . firstRow fromOnly (SEContactRequestNotFoundByName cName) $
    DB.query db "SELECT contact_request_id FROM contact_requests WHERE user_id = ? AND local_display_name = ?" (userId, cName)

deleteContactRequest :: DB.Connection -> User -> Int64 -> IO ()
deleteContactRequest db User {userId} contactRequestId = do
  DB.execute
    db
    [sql|
      DELETE FROM contact_profiles
      WHERE contact_profile_id in (
        SELECT contact_profile_id
        FROM contact_requests
        WHERE user_id = ? AND contact_request_id = ?
      )
    |]
    (userId, contactRequestId)
  DB.execute
    db
    [sql|
      DELETE FROM display_names
      WHERE user_id = ? AND local_display_name = (
        SELECT local_display_name FROM contact_requests
        WHERE user_id = ? AND contact_request_id = ?
      )
      AND local_display_name NOT IN (SELECT local_display_name FROM users WHERE user_id = ?)
    |]
    (userId, userId, contactRequestId, userId)
  DB.execute db "DELETE FROM contact_requests WHERE user_id = ? AND contact_request_id = ?" (userId, contactRequestId)

createContactFromRequest :: DB.Connection -> User -> Maybe Int64 -> ConnId -> VersionChat -> VersionRangeChat -> ContactName -> ProfileId -> Profile -> Maybe XContactId -> Maybe IncognitoProfile -> SubscriptionMode -> PQSupport -> Bool -> IO (Contact, Connection)
createContactFromRequest db user@User {userId, profile = LocalProfile {preferences}} uclId_ agentConnId connChatVersion cReqChatVRange localDisplayName profileId profile xContactId incognitoProfile subMode pqSup contactUsed = do
  currentTs <- getCurrentTime
  let userPreferences = fromMaybe emptyChatPrefs $ incognitoProfile >> preferences
  DB.execute
    db
    "INSERT INTO contacts (user_id, local_display_name, contact_profile_id, enable_ntfs, user_preferences, created_at, updated_at, chat_ts, xcontact_id, contact_used) VALUES (?,?,?,?,?,?,?,?,?,?)"
    (userId, localDisplayName, profileId, BI True, userPreferences, currentTs, currentTs, currentTs, xContactId, BI contactUsed)
  contactId <- insertedRowId db
  DB.execute db "UPDATE contact_requests SET contact_id = ? WHERE user_id = ? AND local_display_name = ?" (contactId, userId, localDisplayName)
  conn <- createAcceptedContactConn db user uclId_ contactId agentConnId connChatVersion cReqChatVRange pqSup incognitoProfile subMode currentTs
  let mergedPreferences = contactUserPreferences user userPreferences preferences $ connIncognito conn
      ct =
        Contact
          { contactId,
            localDisplayName,
            profile = toLocalProfile profileId profile "",
            activeConn = Just conn,
            contactUsed,
            contactStatus = CSActive,
            chatSettings = defaultChatSettings,
            userPreferences,
            mergedPreferences,
            createdAt = currentTs,
            updatedAt = currentTs,
            chatTs = Just currentTs,
            preparedContact = Nothing,
            contactRequestId = Nothing,
            contactGroupMemberId = Nothing,
            contactGrpInvSent = False,
            groupDirectInv = Nothing,
            chatTags = [],
            chatItemTTL = Nothing,
            uiThemes = Nothing,
            chatDeleted = False,
            customData = Nothing,
            simplexName = Nothing
          }
  pure (ct, conn)

createAcceptedContactConn :: DB.Connection -> User -> Maybe Int64 -> ContactId -> ConnId -> VersionChat -> VersionRangeChat -> PQSupport -> Maybe IncognitoProfile -> SubscriptionMode -> UTCTime -> IO Connection
createAcceptedContactConn db User {userId} uclId_ contactId agentConnId connChatVersion cReqChatVRange pqSup incognitoProfile subMode currentTs = do
  customUserProfileId <- forM incognitoProfile $ \case
    NewIncognito p -> createIncognitoProfile_ db userId currentTs p
    ExistingIncognito LocalProfile {profileId = pId} -> pure pId
  createConnection_ db userId ConnContact (Just contactId) agentConnId ConnNew connChatVersion cReqChatVRange Nothing uclId_ customUserProfileId 0 currentTs subMode pqSup Nothing

updateContactAccepted :: DB.Connection -> User -> Contact -> Bool -> IO ()
updateContactAccepted db User {userId} Contact {contactId} contactUsed =
  DB.execute
    db
    "UPDATE contacts SET contact_used = ? WHERE user_id = ? AND contact_id = ?"
    (BI contactUsed, userId, contactId)

getContactIdByName :: DB.Connection -> User -> ContactName -> ExceptT StoreError IO Int64
getContactIdByName db User {userId} cName =
  ExceptT . firstRow fromOnly (SEContactNotFoundByName cName) $
    DB.query db "SELECT contact_id FROM contacts WHERE user_id = ? AND local_display_name = ? AND deleted = 0" (userId, cName)

getContactViaShortLinkToConnect :: forall c. ConnectionModeI c => DB.Connection -> VersionRangeChat -> User -> ConnShortLink c -> ExceptT StoreError IO (Maybe (ConnectionRequestUri c, Contact))
getContactViaShortLinkToConnect db vr user@User {userId} shortLink = do
  liftIO (maybeFirstRow id $ DB.query db "SELECT contact_id, conn_full_link_to_connect FROM contacts WHERE user_id = ? AND conn_short_link_to_connect = ?" (userId, shortLink)) >>= \case
    Just (ctId :: Int64, Just (ACR cMode cReq)) ->
      case testEquality cMode (sConnectionMode @c) of
        Just Refl -> Just . (cReq,) <$> getContact db vr user ctId
        Nothing -> pure Nothing
    _ -> pure Nothing

getContact :: DB.Connection -> VersionRangeChat -> User -> Int64 -> ExceptT StoreError IO Contact
getContact db vr user contactId = getContact_ db vr user contactId False

getContact_ :: DB.Connection -> VersionRangeChat -> User -> Int64 -> Bool -> ExceptT StoreError IO Contact
getContact_ db vr user@User {userId} contactId deleted = do
  chatTags <- liftIO $ getDirectChatTags db contactId
  ExceptT . firstRow (toContact vr user chatTags) (SEContactNotFound contactId) $
    DB.query
      db
      [sql|
        SELECT
          -- Contact
          ct.contact_id, ct.contact_profile_id, ct.local_display_name, cp.display_name, cp.full_name, cp.short_descr, cp.image, cp.contact_link, cp.chat_peer_type, cp.local_alias, ct.contact_used, ct.contact_status, ct.enable_ntfs, ct.send_rcpts, ct.favorite,
          cp.preferences, ct.user_preferences, ct.created_at, ct.updated_at, ct.chat_ts, ct.conn_full_link_to_connect, ct.conn_short_link_to_connect, ct.welcome_shared_msg_id, ct.request_shared_msg_id, ct.contact_request_id,
          ct.contact_group_member_id, ct.contact_grp_inv_sent, ct.grp_direct_inv_link, ct.grp_direct_inv_from_group_id, ct.grp_direct_inv_from_group_member_id, ct.grp_direct_inv_from_member_conn_id, ct.grp_direct_inv_started_connection,
          ct.ui_themes, ct.chat_deleted, ct.custom_data, ct.chat_item_ttl, ct.simplex_name, cp.simplex_name,
          -- Connection
          c.connection_id, c.agent_conn_id, c.conn_level, c.via_contact, c.via_user_contact_link, c.via_group_link, c.group_link_id, c.xcontact_id, c.custom_user_profile_id, c.conn_status, c.conn_type, c.contact_conn_initiated, c.local_alias,
          c.contact_id, c.group_member_id, c.user_contact_link_id, c.created_at, c.security_code, c.security_code_verified_at, c.pq_support, c.pq_encryption, c.pq_snd_enabled, c.pq_rcv_enabled, c.auth_err_counter, c.quota_err_counter,
          c.conn_chat_version, c.peer_chat_min_version, c.peer_chat_max_version, c.simplex_name
        FROM contacts ct
        JOIN contact_profiles cp ON ct.contact_profile_id = cp.contact_profile_id
        LEFT JOIN connections c ON c.contact_id = ct.contact_id
        WHERE ct.user_id = ? AND ct.contact_id = ?
          AND ct.deleted = ?
      |]
      (userId, contactId, BI deleted)

getUserByContactRequestId :: DB.Connection -> Int64 -> ExceptT StoreError IO User
getUserByContactRequestId db contactRequestId =
  ExceptT . firstRow toUser (SEUserNotFoundByContactRequestId contactRequestId) $
    DB.query db (userQuery <> " JOIN contact_requests cr ON cr.user_id = u.user_id WHERE cr.contact_request_id = ?") (Only contactRequestId)

getContactConnections :: DB.Connection -> VersionRangeChat -> UserId -> Contact -> IO [Connection]
getContactConnections db vr userId Contact {contactId} =
  connections =<< liftIO getConnections_
  where
    getConnections_ =
      DB.query
        db
        [sql|
          SELECT c.connection_id, c.agent_conn_id, c.conn_level, c.via_contact, c.via_user_contact_link, c.via_group_link, c.group_link_id, c.xcontact_id, c.custom_user_profile_id,
            c.conn_status, c.conn_type, c.contact_conn_initiated, c.local_alias, c.contact_id, c.group_member_id, c.user_contact_link_id,
            c.created_at, c.security_code, c.security_code_verified_at, c.pq_support, c.pq_encryption, c.pq_snd_enabled, c.pq_rcv_enabled, c.auth_err_counter, c.quota_err_counter,
            c.conn_chat_version, c.peer_chat_min_version, c.peer_chat_max_version, c.simplex_name
          FROM connections c
          JOIN contacts ct ON ct.contact_id = c.contact_id
          WHERE c.user_id = ? AND ct.user_id = ? AND ct.contact_id = ?
        |]
        (userId, userId, contactId)
    connections [] = pure []
    connections rows = pure $ map (toConnection vr) rows

getConnectionById :: DB.Connection -> VersionRangeChat -> User -> Int64 -> ExceptT StoreError IO Connection
getConnectionById db vr User {userId} connId = ExceptT $ do
  firstRow (toConnection vr) (SEConnectionNotFoundById connId) $
    DB.query
      db
      [sql|
        SELECT connection_id, agent_conn_id, conn_level, via_contact, via_user_contact_link, via_group_link, group_link_id, xcontact_id, custom_user_profile_id,
          conn_status, conn_type, contact_conn_initiated, local_alias, contact_id, group_member_id, user_contact_link_id,
          created_at, security_code, security_code_verified_at, pq_support, pq_encryption, pq_snd_enabled, pq_rcv_enabled, auth_err_counter, quota_err_counter,
          conn_chat_version, peer_chat_min_version, peer_chat_max_version, simplex_name
        FROM connections
        WHERE user_id = ? AND connection_id = ?
      |]
      (userId, connId)

getConnectionsContacts :: DB.Connection -> [ConnId] -> IO [ContactRef]
getConnectionsContacts db agentConnIds = do
  DB.execute_ db "DROP TABLE IF EXISTS temp_conn_ids"
#if defined(dbPostgres)
  DB.execute_ db "CREATE TABLE temp_conn_ids (conn_id BYTEA)"
#else
  DB.execute_ db "CREATE TABLE temp_conn_ids (conn_id BLOB)"
#endif
  DB.executeMany db "INSERT INTO temp_conn_ids (conn_id) VALUES (?)" $ map Only agentConnIds
  conns <-
    map toContactRef
      <$> DB.query
        db
        [sql|
          SELECT ct.contact_id, c.connection_id, c.agent_conn_id, ct.local_display_name
          FROM contacts ct
          JOIN connections c ON c.contact_id = ct.contact_id
          WHERE c.agent_conn_id IN (SELECT conn_id FROM temp_conn_ids)
            AND c.conn_type = ?
            AND ct.deleted = 0
        |]
        (Only ConnContact)
  DB.execute_ db "DROP TABLE temp_conn_ids"
  pure conns
  where
    toContactRef :: (ContactId, Int64, ConnId, ContactName) -> ContactRef
    toContactRef (contactId, connId, acId, localDisplayName) = ContactRef {contactId, connId, agentConnId = AgentConnId acId, localDisplayName}

updateConnectionStatus :: DB.Connection -> Connection -> ConnStatus -> IO ()
updateConnectionStatus db Connection {connId} = updateConnectionStatus_ db connId
{-# INLINE updateConnectionStatus #-}

updateConnectionStatusFromTo :: DB.Connection -> Connection -> ConnStatus -> ConnStatus -> IO Connection
updateConnectionStatusFromTo db conn@Connection {connId} fromStatus toStatus = do
  maybeFirstRow fromOnly (DB.query db "SELECT conn_status FROM connections WHERE connection_id = ?" (Only connId)) >>= \case
    Just status | status == fromStatus -> updateConnectionStatus_ db connId toStatus $> conn {connStatus = toStatus}
    _ -> pure conn

updateConnectionStatus_ :: DB.Connection -> Int64 -> ConnStatus -> IO ()
updateConnectionStatus_ db connId connStatus = do
  currentTs <- getCurrentTime
  if connStatus == ConnReady
    then DB.execute db "UPDATE connections SET conn_status = ?, updated_at = ?, conn_req_inv = NULL, short_link_inv = NULL WHERE connection_id = ?" (connStatus, currentTs, connId)
    else DB.execute db "UPDATE connections SET conn_status = ?, updated_at = ? WHERE connection_id = ?" (connStatus, currentTs, connId)

updateContactSettings :: DB.Connection -> User -> Int64 -> ChatSettings -> IO ()
updateContactSettings db User {userId} contactId ChatSettings {enableNtfs, sendRcpts, favorite} =
  DB.execute db "UPDATE contacts SET enable_ntfs = ?, send_rcpts = ?, favorite = ? WHERE user_id = ? AND contact_id = ?" (enableNtfs, BI <$> sendRcpts, BI favorite, userId, contactId)

setConnConnReqInv :: DB.Connection -> User -> Int64 -> ConnReqInvitation -> IO ()
setConnConnReqInv db User {userId} connId connReq = do
  updatedAt <- getCurrentTime
  DB.execute
    db
    [sql|
      UPDATE connections
      SET conn_req_inv = ?, updated_at = ?
      WHERE user_id = ? AND connection_id = ?
    |]
    (connReq, updatedAt, userId, connId)

resetContactConnInitiated :: DB.Connection -> User -> Connection -> IO ()
resetContactConnInitiated db User {userId} Connection {connId} = do
  updatedAt <- getCurrentTime
  DB.execute
    db
    [sql|
      UPDATE connections
      SET contact_conn_initiated = 0, updated_at = ?
      WHERE user_id = ? AND connection_id = ?
    |]
    (updatedAt, userId, connId)

setContactCustomData :: DB.Connection -> User -> Contact -> Maybe CustomData -> IO ()
setContactCustomData db User {userId} Contact {contactId} customData = do
  updatedAt <- getCurrentTime
  DB.execute db "UPDATE contacts SET custom_data = ?, updated_at = ? WHERE user_id = ? AND contact_id = ?" (customData, updatedAt, userId, contactId)

setContactUIThemes :: DB.Connection -> User -> Contact -> Maybe UIThemeEntityOverrides -> IO ()
setContactUIThemes db User {userId} Contact {contactId} uiThemes = do
  updatedAt <- getCurrentTime
  DB.execute db "UPDATE contacts SET ui_themes = ?, updated_at = ? WHERE user_id = ? AND contact_id = ?" (uiThemes, updatedAt, userId, contactId)

setContactChatDeleted :: DB.Connection -> User -> Contact -> Bool -> IO ()
setContactChatDeleted db User {userId} Contact {contactId} chatDeleted = do
  updatedAt <- getCurrentTime
  DB.execute db "UPDATE contacts SET chat_deleted = ?, updated_at = ? WHERE user_id = ? AND contact_id = ?" (BI chatDeleted, updatedAt, userId, contactId)

updateDirectChatTags :: DB.Connection -> ContactId -> [ChatTagId] -> IO ()
updateDirectChatTags db contactId tIds = do
  currentTags <- getDirectChatTags db contactId
  let tagsToAdd = filter (`notElem` currentTags) tIds
      tagsToDelete = filter (`notElem` tIds) currentTags
  forM_ tagsToDelete $ untagDirectChat db contactId
  forM_ tagsToAdd $ tagDirectChat db contactId

tagDirectChat :: DB.Connection -> ContactId -> ChatTagId -> IO ()
tagDirectChat db contactId tId =
  DB.execute
    db
    [sql|
      INSERT INTO chat_tags_chats (contact_id, chat_tag_id)
      VALUES (?,?)
    |]
    (contactId, tId)

untagDirectChat :: DB.Connection -> ContactId -> ChatTagId -> IO ()
untagDirectChat db contactId tId =
  DB.execute
    db
    [sql|
      DELETE FROM chat_tags_chats
      WHERE contact_id = ? AND chat_tag_id = ?
    |]
    (contactId, tId)

getDirectChatTags :: DB.Connection -> ContactId -> IO [ChatTagId]
getDirectChatTags db contactId = map fromOnly <$> DB.query db "SELECT chat_tag_id FROM chat_tags_chats WHERE contact_id = ?" (Only contactId)

addDirectChatTags :: DB.Connection -> Contact -> IO Contact
addDirectChatTags db ct = do
  chatTags <- getDirectChatTags db $ contactId' ct
  pure (ct :: Contact) {chatTags}

setDirectChatTTL :: DB.Connection -> ContactId -> Maybe Int64 -> IO ()
setDirectChatTTL db ctId ttl = do
  updatedAt <- getCurrentTime
  DB.execute db "UPDATE contacts SET chat_item_ttl = ?, updated_at = ? WHERE contact_id = ?" (ttl, updatedAt, ctId)

getDirectChatTTL :: DB.Connection -> ContactId -> IO (Maybe Int64)
getDirectChatTTL db ctId =
  fmap join . maybeFirstRow fromOnly $
    DB.query db "SELECT chat_item_ttl FROM contacts WHERE contact_id = ? LIMIT 1" (Only ctId)

getUserContactsToExpire :: DB.Connection -> User -> Int64 -> IO [ContactId]
getUserContactsToExpire db User {userId} globalTTL =
  map fromOnly <$> DB.query db ("SELECT contact_id FROM contacts WHERE user_id = ? AND chat_item_ttl > 0" <> cond) (Only userId)
  where
    cond = if globalTTL == 0 then "" else " OR chat_item_ttl IS NULL"