using System.Linq;
using Content.Client._NF.LateJoin.Controls;
using Content.Client._NF.LateJoin.Interfaces;
using Content.Client.GameTicking.Managers;
using Content.Client.UserInterface.Controls;
using Content.Shared.GameTicking;
using Robust.Client.AutoGenerated;
using Robust.Client.UserInterface.XAML;
using Robust.Shared.Console;
using Robust.Shared.Utility;

namespace Content.Client._NF.LateJoin.Windows;

[GenerateTypedNameReferences]
public sealed partial class PickerWindow : FancyWindow
{
    [Dependency] private readonly IEntitySystemManager _entitySystem = default!;
    [Dependency] private readonly ILocalizationManager _loc = default!;
    [Dependency] private readonly IConsoleHost _consoleHost = default!;
    private readonly ClientGameTicker _gameTicker;
    private readonly ISawmill _sawmill;

    // Designed so you can implement your own tab controls, simply make your control and add the enum here.
    public enum PickerType
    {
        StationOrCrewLarge,
        Crew,
        Station,
    }

    public record PickerTab(PickerType Type, PickerControl Control);

    private PickerTab? _currentTab;

    public PickerWindow()
    {
        RobustXamlLoader.Load(this);
        IoCManager.InjectDependencies(this);
        _gameTicker = _entitySystem.GetEntitySystem<ClientGameTicker>();
        _sawmill = Logger.GetSawmill("latejoin");

        CrewTabButton.OnPressed += _ =>
        {
            SetCurrentTab(PickerType.Crew);
            UpdateUi(_gameTicker.StationJobInformationList);
        };

        StationTabButton.OnPressed += _ =>
        {
            SetCurrentTab(PickerType.Station);
            UpdateUi(_gameTicker.StationJobInformationList);
        };

        UpdateUi(_gameTicker.StationJobInformationList);
    }

    public new void OpenCentered()
    {
        base.OpenCentered();

        // This is the place to change the default tab.
        if (_currentTab == null)
        {
            SetCurrentTab(PickerType.StationOrCrewLarge);
        }
    }

    protected override void EnteredTree()
    {
        base.EnteredTree();
        _gameTicker.LobbyJobsAvailableUpdated += UpdateUi;
    }

    protected override void ExitedTree()
    {
        base.ExitedTree();
        _gameTicker.LobbyJobsAvailableUpdated -= UpdateUi;
    }

    private void UpdateUi(IReadOnlyDictionary<NetEntity, StationJobInformation> obj)
    {
        // This is the place where it filters out cargo stations and others that shouldn't be shown in the latejoin ui.
        var availableJobs = obj.Where(kvp => kvp.Value.JobsAvailable.Values.Count != 0)
            .ToDictionary(kvp => kvp.Key, kvp => kvp.Value);

        var stationJobs = availableJobs.Where(kvp => kvp.Value.IsLateJoinStation)
            .ToDictionary(kvp => kvp.Key, kvp => kvp.Value);
        var crewJobs = availableJobs.Where(kvp => !kvp.Value.IsLateJoinStation)
            .ToDictionary(kvp => kvp.Key, kvp => kvp.Value);

        StationTabLabel.Text = _loc.GetString("frontier-lobby-station-title") + stationJobs.GetJobSumCountString();
        StationTabButton.Disabled = !StationJobInformationExtensions.IsAnyStationAvailable(availableJobs) ||
                                    _currentTab?.Type == PickerType.Station;

        CrewTabLabel.Text = _loc.GetString("frontier-lobby-crew-title") + crewJobs.GetJobSumCountString();
        CrewTabButton.Disabled = !StationJobInformationExtensions.IsAnyCrewJobAvailable(availableJobs) ||
                                 _currentTab?.Type == PickerType.Crew;

        _currentTab?.Control.UpdateUi(availableJobs);
    }

    private void SetCurrentTab(PickerType pickerType)
    {
        // Don't do anything when switching to same tab.
        if (_currentTab != null && _currentTab.Type == pickerType)
        {
            return;
        }

        ContentContainer.RemoveAllChildren();

        switch (pickerType)
        {
            case PickerType.StationOrCrewLarge:
                var stationOrCrewLargeControl = new StationOrCrewLargeControl();
                _currentTab = new PickerTab(pickerType, stationOrCrewLargeControl);
                // Child panel can change tab from within, set the tab change callback.
                stationOrCrewLargeControl.OnTabChange ??= SetCurrentTab;
                break;
            case PickerType.Crew:
                var crewPickerControl = new CrewPickerControl();
                _currentTab = new PickerTab(pickerType, crewPickerControl);
                crewPickerControl.OnJobJoined ??= JoinGame;
                break;
            case PickerType.Station:
                var stationPickerControl = new StationPickerControl();
                _currentTab = new PickerTab(pickerType, stationPickerControl);
                stationPickerControl.OnJobJoined ??= JoinGame;
                break;
            default:
                throw new ArgumentOutOfRangeException(); // This will never happen. Trust.
        }

        ContentContainer.AddChild(_currentTab.Control);
        UpdateUi(_gameTicker.StationJobInformationList);
    }

    private void JoinGame(NetEntity stationEntity, string jobId)
    {
        _sawmill.Info($"Late joining as ID: {jobId}");
        _consoleHost.ExecuteCommand(
            $"joingame {CommandParsing.Escape(jobId)} {stationEntity}"
        );

        Close();
    }
}