// Copyright (c) 2024- schick Informatik
// Description: Window to show (complete) list of current shipcall histories
// 

using BreCalClient.misc.Api;
using BreCalClient.misc.Model;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Printing;
using System.Windows;
using System.Windows.Input;

namespace BreCalClient
{
    /// <summary>
    /// Interaction logic for HistoryDialog.xaml
    /// </summary>
    public partial class HistoryDialog : Window
    {
        #region Fields

        private readonly ConcurrentDictionary<int, ShipcallControlModel> _shipcalls;
        private readonly StaticApi _staticApi;

        #endregion

        #region delegate/event to react to history item selection        

        public event Action<int>? HistoryItemSelected;

        #endregion

        #region Construction

        public HistoryDialog(ConcurrentDictionary<int, ShipcallControlModel> shipcalls, StaticApi staticApi)
        {
            InitializeComponent();
            _shipcalls = shipcalls;
            _staticApi = staticApi;
        }

        #endregion

        #region event handler

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            Mouse.OverrideCursor = Cursors.Wait;
            RefreshHistory();
        }

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

        private void checkboxMyOwnOnly_Checked(object sender, RoutedEventArgs e)
        {
            Mouse.OverrideCursor = Cursors.Wait;
            RefreshHistory();
        }

        #endregion

        #region private methods

        private async void RefreshHistory()
        {
            List<History> allHistories = new();
            this.stackPanel.Children.Clear();

            foreach (int shipcall_id in _shipcalls.Keys)
            {
                List<History> shipcallHistory = await _staticApi.HistoryGetAsync(shipcall_id);
                System.Diagnostics.Trace.WriteLine($"{shipcallHistory.Count} history elements loaded for shipcall {shipcall_id}");
                allHistories.AddRange( shipcallHistory );
            }

            // sort all entries
            allHistories.Sort((x, y) => { return y.Timestamp.CompareTo(x.Timestamp); });

            EnumToStringConverter enumToStringConverter = new();

            // create controls for all entries
            foreach (History history in allHistories)
            {
                if (FilterShipcall(history.ShipcallId)) continue;
                string shipname = "";
                Ship? ship = this._shipcalls[history.ShipcallId].Ship;
                if (ship != null)
                    shipname = ship.Name;
                string etaetd = "", calltype = "";
                if (_shipcalls.ContainsKey(history.ShipcallId))
                {
                    etaetd = _shipcalls[history.ShipcallId].GetETAETD();                    
                    if (_shipcalls[history.ShipcallId].Shipcall != null)
                    {
                        ShipcallType? type = _shipcalls[history.ShipcallId].Shipcall?.Type;
                        if (type != null) calltype = (string) (enumToStringConverter.Convert(type ?? ShipcallType.Undefined, typeof(ShipcallType), new(), System.Globalization.CultureInfo.CurrentCulture) ?? "");
                    }
                }

                HistoryControl hc = new(shipname, history, calltype, etaetd);
                hc.HistorySelected += (x) => { HistoryItemSelected?.Invoke(x); }; // bubble event
                this.stackPanel.Children.Add(hc);
            }

            Mouse.OverrideCursor = null;
        }

        bool FilterShipcall(int shipcallId)
        {
            bool result = true;
            if (shipcallId < 0) return result;
            if(_shipcalls.TryGetValue(shipcallId, out ShipcallControlModel? scm))
            {
                if(this.checkboxMyOwnOnly.IsChecked ?? false)
                {
                    foreach(ParticipantAssignment p in scm.AssignedParticipants.Values)
                    {
                        if (p.ParticipantId.Equals(App.Participant.Id)) return false;
                    }
                }
                else
                {
                    return false;
                }
            }            
            return result;                    
        }

        #endregion

    }
}