import * as path from "path"
import * as fs from "fs"
import {CEvt, T} from "@simplex-chat/types"
import {api} from ".."

const CT = T.ChatType

describe("API tests (use preset servers)", () => {
  const tmpDir = "./tests/tmp"
  const alicePath = path.join(tmpDir, "alice")
  const bobPath = path.join(tmpDir, "bob")

  beforeEach(() => fs.mkdirSync(tmpDir, {recursive: true}))
  afterEach(() => fs.rmSync(tmpDir, {recursive: true, force: true}))

  it("should send/receive message", async () => {
    // create users and start chat controllers
    const alice = await api.ChatApi.init({type: "sqlite", filePrefix: alicePath})
    const bob = await api.ChatApi.init({type: "sqlite", filePrefix: bobPath})
    const servers: string[] = []
    let eventCount = 0
    alice.on("hostConnected" as CEvt.Tag, async ({transportHost}: any) => { servers.push(transportHost) })
    alice.onAny(async () => { eventCount++ })
    await expect(alice.apiGetActiveUser()).resolves.toBeUndefined()
    const aliceUser = await alice.apiCreateActiveUser({displayName: "alice", fullName: ""})
    await expect(alice.apiGetActiveUser()).resolves.toMatchObject(aliceUser)
    await bob.apiCreateActiveUser({displayName: "bob", fullName: ""})
    await alice.startChat()
    await bob.startChat()
    // connect via link
    const link = await alice.apiCreateLink(aliceUser.userId)
    await expect(bob.apiConnectActiveUser(link)).resolves.toBe(api.ConnReqType.Invitation)
    const [bobContact, aliceContact] = await Promise.all([
      (await alice.wait("contactConnected")).contact,
      (await bob.wait("contactConnected")).contact
    ])
    expect(bobContact).toMatchObject({profile: {displayName: "bob"}})
    expect(aliceContact).toMatchObject({profile: {displayName: "alice"}})
    // exchange messages
    const isMessage = ({contactId}: T.Contact, msg: string) => (evt: CEvt.NewChatItems) =>
      evt.chatItems.some(ci => ci.chatInfo.type === CT.Direct && ci.chatInfo.contact.contactId === contactId && ci.chatItem.meta.itemText === msg)
    await alice.apiSendTextMessage([CT.Direct, bobContact.contactId], "hello")
    await bob.wait("newChatItems", isMessage(aliceContact, "hello"))
    await bob.apiSendTextMessage([CT.Direct, aliceContact.contactId], "hello too")
    await alice.wait("newChatItems", isMessage(bobContact, "hello too"), 10000)
    await alice.apiSendTextMessage([CT.Direct, bobContact.contactId], "how are you?")
    await bob.wait("newChatItems", isMessage(aliceContact, "how are you?"))
    await bob.apiSendTextMessage([CT.Direct, aliceContact.contactId], "ok, and you?")
    await alice.wait("newChatItems", isMessage(bobContact, "ok, and you?"), 10000)
    // no more messages
    await expect(alice.wait("newChatItems", 500)).resolves.toBeUndefined()
    await expect(bob.wait("newChatItems", 500)).resolves.toBeUndefined()
    // delete contacts, stop chat controllers and close databases
    await alice.apiDeleteChat(CT.Direct, bobContact.contactId)
    await bob.wait("contactDeletedByContact")
    await bob.apiDeleteChat(CT.Direct, aliceContact.contactId)
    await alice.stopChat()
    await bob.stopChat()
    await alice.close()
    await bob.close()
    await expect(alice.startChat()).rejects.toThrow("chat api controller not initialized")
    await expect(bob.startChat()).rejects.toThrow("chat api controller not initialized")
    expect(servers.length).toBe(2)
    expect(servers[0] !== servers[1]).toBe(true)
    expect(eventCount > 0).toBe(true)
  }, 30000)

  it("should create member contact and send invitation", async () => {
    // create 3 users and start chat controllers
    const alice = await api.ChatApi.init({type: "sqlite", filePrefix: alicePath})
    const bob = await api.ChatApi.init({type: "sqlite", filePrefix: bobPath})
    const carolPath = path.join(tmpDir, "carol")
    const carol = await api.ChatApi.init({type: "sqlite", filePrefix: carolPath})
    const aliceUser = await alice.apiCreateActiveUser({displayName: "alice", fullName: ""})
    await bob.apiCreateActiveUser({displayName: "bob", fullName: ""})
    await carol.apiCreateActiveUser({displayName: "carol", fullName: ""})
    await alice.startChat()
    await bob.startChat()
    await carol.startChat()
    // connect alice <-> bob
    const aliceLink1 = await alice.apiCreateLink(aliceUser.userId)
    await expect(bob.apiConnectActiveUser(aliceLink1)).resolves.toBe(api.ConnReqType.Invitation)
    const [bobContact] = await Promise.all([
      (await alice.wait("contactConnected")).contact,
      (await bob.wait("contactConnected")).contact
    ])
    // connect alice <-> carol
    const aliceLink2 = await alice.apiCreateLink(aliceUser.userId)
    await expect(carol.apiConnectActiveUser(aliceLink2)).resolves.toBe(api.ConnReqType.Invitation)
    const [carolContact] = await Promise.all([
      (await alice.wait("contactConnected")).contact,
      (await carol.wait("contactConnected")).contact
    ])
    // create group with direct messages enabled
    const group = await alice.apiNewGroup(aliceUser.userId, {
      displayName: "test-group",
      fullName: "",
      groupPreferences: {
        directMessages: {enable: T.GroupFeatureEnabled.On},
      },
    })
    const groupId = group.groupId
    // add bob to the group
    const bobInvP = bob.wait("receivedGroupInvitation", 15000)
    await alice.apiAddMember(groupId, bobContact.contactId, T.GroupMemberRole.Member)
    const bobInvEvt = await bobInvP
    expect(bobInvEvt).toBeDefined()
    const aliceBobConnP = alice.wait("connectedToGroupMember", 15000)
    const bobAliceConnP = bob.wait("connectedToGroupMember", 15000)
    await bob.apiJoinGroup(bobInvEvt!.groupInfo.groupId)
    await Promise.all([aliceBobConnP, bobAliceConnP])
    // add carol to the group
    const carolInvP = carol.wait("receivedGroupInvitation", 30000)
    await alice.apiAddMember(groupId, carolContact.contactId, T.GroupMemberRole.Member)
    const carolInvEvt = await carolInvP
    expect(carolInvEvt).toBeDefined()
    // wait for carol to connect to both alice and bob (and vice versa)
    const bobCarolConnP = bob.wait("connectedToGroupMember",
      (evt: CEvt.ConnectedToGroupMember) => evt.member.memberProfile.displayName === "carol", 30000)
    const carolAliceConnP = carol.wait("connectedToGroupMember",
      (evt: CEvt.ConnectedToGroupMember) => evt.member.memberProfile.displayName === "alice", 30000)
    const carolBobConnP = carol.wait("connectedToGroupMember",
      (evt: CEvt.ConnectedToGroupMember) => evt.member.memberProfile.displayName === "bob", 30000)
    const aliceCarolConnP = alice.wait("connectedToGroupMember",
      (evt: CEvt.ConnectedToGroupMember) => evt.member.memberProfile.displayName === "carol", 30000)
    await carol.apiJoinGroup(carolInvEvt!.groupInfo.groupId)
    await Promise.all([bobCarolConnP, carolAliceConnP, carolBobConnP, aliceCarolConnP])
    // find carol's memberId from bob's perspective
    const members = await bob.apiListMembers(groupId)
    const carolMember = members.find(m => m.memberProfile.displayName === "carol")
    expect(carolMember).toBeDefined()
    // test apiCreateMemberContact
    const dmContact = await bob.apiCreateMemberContact(groupId, carolMember!.groupMemberId)
    expect(dmContact).toBeDefined()
    expect(dmContact.contactId).toBeDefined()
    // test apiSendMemberContactInvitation
    const carolDmP = carol.wait("newMemberContactReceivedInv" as CEvt.Tag, 30000)
    const invContact = await bob.apiSendMemberContactInvitation(dmContact.contactId, "hello from bob")
    expect(invContact).toBeDefined()
    // carol should receive the member contact invitation
    const carolDmEvt = await carolDmP
    expect(carolDmEvt).toBeDefined()
    expect((carolDmEvt as any).contact).toBeDefined()
    // cleanup
    await alice.stopChat()
    await bob.stopChat()
    await carol.stopChat()
    await alice.close()
    await bob.close()
    await carol.close()
  }, 90000)
})