import KordophoneKit
import SwiftUI

struct ConversationList : View {
    @Binding var selectedConversation: Conversation?
    var conversations: [Conversation]
    
    var sortedConversations: [Conversation] {
        conversations
            .sorted { a, b in
                a.date > b.date
            }
    }
    
    var body: some View {
        List {
            ForEach(sortedConversations) { convo in
                ConversationRow(conversation: convo)
                    .contentShape(Rectangle())
                    .onTapGesture {
                        selectedConversation = convo
                    }
            }
        }
        .animation(.spring(), value: sortedConversations)
        .animation(.spring(), value: selectedConversation)
        .navigationTitle("Kordophone")
    }
}

struct ConversationListWrapper : View {
    @Binding var selectedConversation: Conversation?
    
    @State private var conversations = [Conversation]()
    @EnvironmentObject private var connection: Connection
    @StateObject private var updater = IntervalUpdater(5)
    
    private func refresh() {
        Task {
            self.conversations = await connection.conversations() ?? .init()
        }
    }
    
    var body: some View {
        ConversationList(selectedConversation: $selectedConversation, conversations: conversations)
            .onAppear {
                refresh()
            }
            .onChange(of: connection.authenticated) { newValue in
                refresh()
            }
            .onChange(of: updater.seed) { newValue in
                refresh()
            }
    }
}