@using Koogle.Application.Games.Training
@using Koogle.Domain.Enums
@using MudBlazor

<MudPaper Class="pa-4">
    <MudText Typo="Typo.h6" Class="mb-4">Training-Einstellungen</MudText>

    <MudStack Spacing="4">
        <MudSelect T="ThrowMode"
                   @bind-Value="_options.ThrowMode"
                   Label="Wurf-Modus"
                   Variant="Variant.Outlined"
                   HelperText="In die Vollen: Kegel werden nach jedem Wurf aufgestellt. Abräumen: Kegel bleiben liegen.">
            <MudSelectItem Value="ThrowMode.Reposition">In die Vollen</MudSelectItem>
            <MudSelectItem Value="ThrowMode.Decrease">Abräumen</MudSelectItem>
        </MudSelect>

        <MudNumericField T="int"
                         @bind-Value="_options.ThrowsPerRound"
                         Label="Würfe pro Runde"
                         Variant="Variant.Outlined"
                         Min="1"
                         Max="5"
                         HelperText="Anzahl Würfe bevor der nächste Spieler an der Reihe ist (1-5)" />

        <MudSelect T="ParticipantsMode"
                   @bind-Value="_options.ParticipantsMode"
                   Label="Spieler-Rotation"
                   Variant="Variant.Outlined"
                   HelperText="Automatisch: Spieler wechseln nach der Runde. Frei wählbar: Jeder kann werfen.">
            <MudSelectItem Value="ParticipantsMode.GameLogic">Automatisch</MudSelectItem>
            <MudSelectItem Value="ParticipantsMode.FreeToChoose">Frei wählbar</MudSelectItem>
        </MudSelect>
    </MudStack>

    <MudDivider Class="my-4" />

    <MudText Typo="Typo.body2" Color="Color.Secondary">
        Training ist ein freies Übungsspiel. Es gibt keinen Gewinner - nur Statistiken.
        Das Spiel muss manuell beendet werden.
    </MudText>
</MudPaper>

@code {
    /// <summary>
    /// Callback when setup options change.
    /// </summary>
    [Parameter]
    public EventCallback<object> OnOptionsChanged { get; set; }

    /// <summary>
    /// Initial setup options.
    /// </summary>
    [Parameter]
    public object? InitialOptions { get; set; }

    private TrainingSetupOptionsInternal _options = new();

    protected override void OnInitialized()
    {
        if (InitialOptions is TrainingSetupOptions options)
        {
            _options = new TrainingSetupOptionsInternal
            {
                ThrowMode = options.ThrowMode,
                ThrowsPerRound = options.ThrowsPerRound,
                ParticipantsMode = options.ParticipantsMode
            };
        }
    }

    protected override async Task OnAfterRenderAsync(bool firstRender)
    {
        if (firstRender)
        {
            await NotifyOptionsChanged();
        }
    }

    private async Task NotifyOptionsChanged()
    {
        var options = new TrainingSetupOptions
        {
            ThrowMode = _options.ThrowMode,
            ThrowsPerRound = _options.ThrowsPerRound,
            ParticipantsMode = _options.ParticipantsMode
        };
        await OnOptionsChanged.InvokeAsync(options);
    }

    /// <summary>
    /// Gets the current setup options.
    /// </summary>
    public TrainingSetupOptions GetOptions() => new()
    {
        ThrowMode = _options.ThrowMode,
        ThrowsPerRound = _options.ThrowsPerRound,
        ParticipantsMode = _options.ParticipantsMode
    };

    // Internal mutable class for two-way binding
    private class TrainingSetupOptionsInternal
    {
        private ThrowMode _throwMode = ThrowMode.Reposition;
        private int _throwsPerRound = 3;
        private ParticipantsMode _participantsMode = ParticipantsMode.GameLogic;

        public ThrowMode ThrowMode
        {
            get => _throwMode;
            set => _throwMode = value;
        }

        public int ThrowsPerRound
        {
            get => _throwsPerRound;
            set => _throwsPerRound = value;
        }

        public ParticipantsMode ParticipantsMode
        {
            get => _participantsMode;
            set => _participantsMode = value;
        }
    }
}