@using Fluxor
@using Koogle.Application.DTOs
@using Koogle.Application.Games
@using Koogle.Application.Games.Shit
@using Koogle.Application.Games.Training
@using Koogle.Application.Interfaces
@using Koogle.Domain.Enums
@using Koogle.Domain.Interfaces
@using Koogle.Web.Store.DayState
@using Koogle.Web.Store.GameState
@using MudBlazor

@inject IState<DayState> DayState
@inject IDispatcher Dispatcher
@inject GameDefinitionRegistry GameRegistry

<MudDialog>
    <DialogContent>
        <MudStack Spacing="4" Style="min-width: 400px; max-width: 600px;">
            @* Step 1: Game Type Selection *@
            <MudExpansionPanels MultiExpansion="false" Elevation="0">
                <MudExpansionPanel Text="1. Spieltyp" IsExpanded="@(_currentStep == 1)">
                    <GameTypeSelector @bind-SelectedGameType="_selectedGameType"
                                      OnGameDefinitionChanged="OnGameDefinitionChanged" />
                </MudExpansionPanel>

                @* Step 2: Participant Selection *@
                <MudExpansionPanel Text="2. Teilnehmer"
                                   IsExpanded="@(_currentStep == 3)"
                                   Disabled="@(_selectedDefinition == null)">
                    <ParticipantSelector AvailableParticipants="@_availableParticipants"
                                         @bind-SelectedParticipantIds="_selectedParticipantIds"
                                         MinimumParticipants="1" />
                </MudExpansionPanel>
                
                @* Step 3: Game-specific Setup *@
                <MudExpansionPanel Text="3. Spieleinstellungen"
                                   IsExpanded="@(_currentStep == 2)"
                                   Disabled="@(_selectedDefinition == null)">
                    @if (_selectedDefinition != null)
                    {
                        <DynamicComponent Type="@_selectedDefinition.SetupComponentType"
                                          @ref="dynamicComponentRef"
                                          Parameters="@GetSetupParameters()" />
                    }
                    else
                    {
                        <MudText Color="Color.Secondary">
                            Wähle zuerst einen Spieltyp aus.
                        </MudText>
                    }
                </MudExpansionPanel>

                @* Step 4: Common Options *@
                @* <MudExpansionPanel Text="4. Grundeinstellungen"
                                   IsExpanded="@(_currentStep == 4)"
                                   Disabled="@(_selectedParticipantIds.Count == 0)">
                    <CommonSetupOptions @bind-ThrowMode="_throwMode"
                                        @bind-ThrowsPerRound="_throwsPerRound"
                                        @bind-ParticipantsMode="_participantsMode" />
                </MudExpansionPanel> *@
            </MudExpansionPanels>

            @* Validation errors *@
            @if (!string.IsNullOrEmpty(_validationError))
            {
                <MudAlert Severity="Severity.Error" Dense="true">
                    @_validationError
                </MudAlert>
            }

            @* Game info summary *@
            @if (CanStartGame())
            {
                <MudPaper Class="pa-3" Elevation="0" Style="background-color: var(--mud-palette-background-grey);">
                    <MudStack Spacing="1">
                        <MudText Typo="Typo.body2">
                            <strong>Spieltyp:</strong> @_selectedDefinition?.DisplayName
                        </MudText>
                        <MudText Typo="Typo.body2">
                            <strong>Teilnehmer:</strong> @_selectedParticipantIds.Count Spieler
                        </MudText>
                        <MudText Typo="Typo.body2">
                            <strong>Modus:</strong> @GetThrowModeLabel()
                        </MudText>
                    </MudStack>
                </MudPaper>
            }
        </MudStack>
    </DialogContent>
    <DialogActions>
        <MudButton OnClick="Cancel" Variant="Variant.Text">Abbrechen</MudButton>
        <MudButton OnClick="StartGame"
                   Color="Color.Primary"
                   Variant="Variant.Filled"
                   Disabled="@(!CanStartGame() || _isStarting)"
                   StartIcon="@Icons.Material.Filled.PlayArrow">
            @if (_isStarting)
            {
                <MudProgressCircular Size="Size.Small" Indeterminate="true" Class="mr-2" />
                <span>Starte...</span>
            }
            else
            {
                <span>Spiel starten</span>
            }
        </MudButton>
    </DialogActions>
</MudDialog>

@code {
    private DynamicComponent? dynamicComponentRef;

    /// <summary>
    /// ID of the day to start the game for.
    /// </summary>
    [Parameter]
    public Guid DayId { get; set; }

    /// <summary>
    /// Cascade parameter for the dialog instance.
    /// </summary>
    [CascadingParameter]
    private IMudDialogInstance? MudDialog { get; set; }

    // State
    private int _currentStep = 1;
    private string? _selectedGameType;
    private IGameDefinition? _selectedDefinition;
    private IReadOnlyList<DayParticipantDto> _availableParticipants = [];
    private IReadOnlyList<Guid> _selectedParticipantIds = [];
    // private object? _gameSpecificSetupOptions;
    // private ThrowMode _throwMode = ThrowMode.Reposition;
    // private int _throwsPerRound = 3;
    // private ParticipantsMode _participantsMode = ParticipantsMode.GameLogic;
    private string? _validationError;
    private bool _isStarting;

    protected override void OnInitialized()
    {
        // Get available participants from the selected day
        var selectedDay = DayState.Value.SelectedDay;
        if (selectedDay != null)
        {
            _availableParticipants = selectedDay.Participants;
            // Pre-select all participants
            _selectedParticipantIds = selectedDay.Participants.Select(p => p.PersonId).ToList();
        }
    }

    private void OnGameDefinitionChanged(IGameDefinition? definition)
    {
        _selectedDefinition = definition;
        // _gameSpecificSetupOptions = null;
        _validationError = null;

        if (definition != null)
        {
            _currentStep = 2;
        }
    }

    private Dictionary<string, object> GetSetupParameters()
    {
        return new Dictionary<string, object>
        {
            ["OnOptionsChanged"] = EventCallback.Factory.Create<object>(this, OnSetupOptionsChanged),
            // ["InitialOptions"] = _gameSpecificSetupOptions!
        };
    }

    private void OnSetupOptionsChanged(object options)
    {
        // _gameSpecificSetupOptions = options;
        _validationError = null;
    }

    private bool CanStartGame()
    {
        if (_selectedDefinition == null)
            return false;

        if (_selectedParticipantIds.Count == 0)
            return false;

        return true;
    }

    private Task StartGame()
    {
        if (!CanStartGame() || _selectedDefinition == null)
            return Task.CompletedTask;

        _isStarting = true;
        _validationError = null;

        try
        {
            // Create typed setup model based on game type
            IGameSetupModel? setup = CreateSetupModel(_selectedDefinition.Name);

            // Validate setup options
            var logicService = GameRegistry.GetLogicService(_selectedDefinition.Name);
            var validationResult = logicService.ValidateSetup(setup);

            if (!validationResult.IsValid)
            {
                _validationError = string.Join(", ", validationResult.Errors);
                _isStarting = false;
                return Task.CompletedTask;
            }

            // Create initial game model and setup
            var playerIds = _selectedParticipantIds.ToArray();


            var initialModel = logicService.CreateInitialModel(playerIds, setup);

            // Dispatch start game action
            var action = new StartGameAction(
                DayId: DayId,
                GameTypeName: _selectedDefinition.Name,
                PlayerIds: playerIds,
                ThrowMode: setup.ThrowMode,
                ThrowsPerRound: setup.ThrowsPerRound,
                ParticipantsMode: setup.ParticipantsMode,
                InitialGameModel: initialModel,
                Setup: setup);

            Dispatcher.Dispatch(action);

            // Close dialog
            MudDialog?.Close(DialogResult.Ok(true));
        }
        catch (Exception ex)
        {
            _validationError = $"Fehler beim Starten: {ex.Message}";
        }
        finally
        {
            _isStarting = false;
        }

        return Task.CompletedTask;
    }

    private void Cancel()
    {
        MudDialog?.Cancel();
    }

    private string GetThrowModeLabel()
    {
        IGameSetupModel? setup = CreateSetupModel(_selectedDefinition.Name);
        switch (setup.ThrowMode)
        {
            case ThrowMode.Reposition:
                return "In die Vollen";
            case ThrowMode.Decrease:
                return "Abräumen";
        }

        return "";
    }

    private IGameSetupModel? CreateSetupModel(string gameTypeName)
    {
        var setupModel = (dynamicComponentRef.Instance as IGameSetupControl).GameSetupModel;
        // setupModel.DayId = DayState.Value.Id;
        // setupModel.KnownGameType = SetupState.Value.Game.GetType().Name;
        // setupModel.Participants = PlayerIds;
        return setupModel;
    }

    
    
}