using System;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

using BreCalClient.misc.Api;
using BreCalClient.misc.Client;
using BreCalClient.misc.Model;

namespace BreCalClient
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {        
        DefaultApi _api;
        ObservableCollection<ShipcallControlModel> _controlModels = new();
        List<Ship> _ships = new();
        Dictionary<int, Ship> _shipLookupDict = new();
        List<Berth> _berths = new();
        Dictionary<int, Berth> _berthLookupDict = new();
        List<Participant> _participants = new();
        Dictionary<int, Participant> _participantLookupDict = new();

        public MainWindow()
        {
            InitializeComponent();
            _api = new DefaultApi();
            _api.Configuration.ApiKeyPrefix["Authorization"] = "Bearer";
        }

        #region event handler

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            
        }

        private async void buttonLogin_Click(object sender, RoutedEventArgs e)
        {
            if (string.IsNullOrEmpty(this.textPassword.Password) || string.IsNullOrEmpty(this.textUsername.Text))
            {
                this.labelLoginResult.Content = Application.Current.FindResource("textUserNamePasswordEmpty").ToString();
                return;
            }

            Credentials credentials = new(username: textUsername.Text.Trim(), 
                password: textPassword.Password.Trim());

            try
            {
                LoginResult loginResult = await _api.LoginPostAsync(credentials);
                if(loginResult != null)
                {
                    if(loginResult.Id > 0)
                    {
                        this.busyIndicator.IsBusy = false;
                        this._api.Configuration.ApiKey["Authorization"] = loginResult.Token;
                        this.LoadStaticLists();
                    }
                }
            }
            catch (ApiException ex)
            {
                this.labelLoginResult.Content = ex.Message;
            }
            catch(Exception ex)
            {
                MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }

        private void buttonExit_Click(object sender, RoutedEventArgs e)
        {
            this.Close();
        }

        #endregion

        #region private methods

        private async void LoadStaticLists()
        {
            this._berths = await _api.BerthsGetAsync();
            foreach(var berth in this._berths)
                _berthLookupDict[berth.Id] = berth;
            this._ships = await _api.ShipsGetAsync();
            foreach(var ship in this._ships)
                _shipLookupDict[ship.Id] = ship;
            // this._participants = await _api.ParticipantGetAsync();
        }

        private async void RefreshShipcalls()
        {
            List<Shipcall> shipcalls = await _api.ShipcallsGetAsync(0); // TODO: this must return all current calls
            foreach(Shipcall shipcall in shipcalls)
            {


                // TODO: find out if we already have this thing

                // yes: update values

                // no: create new entry
                ShipcallControlModel scm = new ShipcallControlModel();
                scm.Shipcall = shipcall;
                if(this._shipLookupDict.ContainsKey(shipcall.Id))
                    scm.Ship = this._shipLookupDict[shipcall.Id];
                _controlModels.Add(scm);
                
                // TODO: sort this list somehow
            }
        }

        #endregion

    }
}