//
//  SignInToServerView.swift
//  Jel
//
//  Created by zerocool on 12/12/23.
//

import SwiftUI

struct SignInToServerView: View {
  @EnvironmentObject var jellyfinClient: JellyfinClientController
  
  @StateObject var authState: AuthStateController = AuthStateController.shared
  @State var username: String = ""
  @State var password: String = ""
  
  @State var isLoading: Bool = false
  @State var hasError: Bool = false
  
  @State var serverName: String = ""
  
  var body: some View {
    VStack {
      Text("Sign in to \(serverName)")
        .font(.title)
      TextField(text: $username) {
        Text("Username")
      }
      .textContentType(.username)
      
      SecureField(text: $password) {
        Text("Password")
      }
      .textContentType(.password)
      .onSubmit {
        Task {
          await logInToServer()
        }
      }
      
      if !isLoading {
        Button {
          Task {
            await logInToServer()
          }
        } label: {
          Text("Sign in")
        }
        .disabled(username.isEmpty || password.isEmpty)
      } else {
        ProgressView()
          .progressViewStyle(.circular)
      }
      
      if hasError {
        Text("Unable to sign in")
          .font(.callout)
          .foregroundStyle(.red)
      }
    }
    .padding()
    .textFieldStyle(.roundedBorder)
    .textInputAutocapitalization(.never)
    .disabled(isLoading)
    .onAppear {
      Task {
        if let serverInfo = await jellyfinClient.getPublicServerInfo() {
          serverName = serverInfo.serverName ?? "Unknown"
        }
      }
    }
  }
  
  func logInToServer() async {
    isLoading = true
    hasError = false
    do {
      try await jellyfinClient.signIn(username: username, pw: password)
    } catch {
      hasError = true
    }
    isLoading = false
  }
}

// FIXME: Preview broken for this view
//#Preview {
//  SignInToServerView()
//}