simplex-chat/apps/ios/Shared/Views/NewChat/PasteToConnectView.swift

//
//  PasteToConnectView.swift
//  SimpleX (iOS)
//
//  Created by Ian Davies on 22/04/2022.
//  Copyright © 2022 SimpleX Chat. All rights reserved.
//

import SwiftUI

struct PasteToConnectView: View {
    @Binding var openedSheet: NewChatAction?
    @State private var connectionLink: String = ""

    var body: some View {
        VStack(alignment: .leading) {
            Text("Connect via link")
                .font(.title)
                .padding(.vertical)
            Text("Paste the link you received into the box below to connect with your contact.")
            Text("Your profile will be sent to the contact that you received this link from")
                .padding(.bottom)
            TextEditor(text: $connectionLink)
                .onSubmit(connect)
                .textInputAutocapitalization(.never)
                .disableAutocorrection(true)
                .allowsTightening(false)
                .frame(height: 180)
                .overlay(
                    RoundedRectangle(cornerRadius: 10)
                        .strokeBorder(.secondary, lineWidth: 0.3, antialiased: true)
                )

            HStack(spacing: 20) {
                if connectionLink == "" {
                    Button {
                        connectionLink = UIPasteboard.general.string ?? ""
                    } label: {
                        Label("Paste", systemImage: "doc.plaintext")
                    }
                } else {
                    Button {
                        connectionLink = ""
                    } label: {
                        Label("Clear", systemImage: "multiply")
                    }

                }
                Spacer()
                Button(action: connect, label: {
                    Label("Connect", systemImage: "link")
                })
                .disabled(connectionLink == "" || connectionLink.trimmingCharacters(in: .whitespaces).firstIndex(of: " ") != nil)
            }
            .frame(height: 48)
            .padding(.bottom)

            Text("You can also connect by clicking the link. If it opens in the browser, click **Open in mobile app** button")
        }
        .padding()
        .frame(maxHeight: .infinity, alignment: .top)
    }

    private func connect() {
        connectViaLink(connectionLink.trimmingCharacters(in: .whitespaces), $openedSheet)
    }
}

struct PasteToConnectView_Previews: PreviewProvider {
    static var previews: some View {
        @State var openedSheet: NewChatAction? = nil
        return PasteToConnectView(openedSheet: $openedSheet)
    }
}