@using ErsatzTV.Application.Playouts
@implements IDisposable
@inject IMediator Mediator
@inject ISnackbar Snackbar
@inject ILogger<SchedulePlayoutReset> Logger

<MudDialog>
    <DialogContent>
        <EditForm Model="@_dummyModel" OnSubmit="@(_ => Submit())">
            <MudContainer Class="mb-6">
                <MudText>
                    @FormatText()
                </MudText>
            </MudContainer>
            <MudSelect Class="mb-6 mx-4" Label="Daily Reset Time" @bind-Value="_resetTime">
                <MudSelectItem Value="@(Option<TimeSpan>.None)">Do not automatically reset</MudSelectItem>
                @for (var i = 1; i < 48; i++)
                {
                    var time = TimeSpan.FromHours(i * 0.5);
                    string formatted = DateTime.Today.Add(time).ToShortTimeString();
                    <MudSelectItem Value="@(Option<TimeSpan>.Some(time))">@formatted</MudSelectItem>
                }
            </MudSelect>
        </EditForm>
    </DialogContent>
    <DialogActions>
        <MudButton OnClick="@Cancel" ButtonType="ButtonType.Reset">Cancel</MudButton>
        <MudButton Color="Color.Primary" Variant="Variant.Filled" OnClick="@Submit">
            Save Changes
        </MudButton>
    </DialogActions>
</MudDialog>

@code {
    private readonly CancellationTokenSource _cts = new();

    [CascadingParameter]
    IMudDialogInstance MudDialog { get; set; }

    [Parameter]
    public int PlayoutId { get; set; }

    [Parameter]
    public string ChannelName { get; set; }

    [Parameter]
    public string ScheduleName { get; set; }

    [Parameter]
    public Option<TimeSpan> DailyResetTime { get; set; }

    private string FormatText() => $"Enter the time that the playout on channel {ChannelName} with schedule {ScheduleName} should reset every day";

    private record DummyModel;

    private readonly DummyModel _dummyModel = new();

    private Option<TimeSpan> _resetTime;

    public void Dispose()
    {
        _cts?.Cancel();
        _cts?.Dispose();
    }

    protected override void OnParametersSet() => _resetTime = DailyResetTime;

    private async Task Submit()
    {
        Either<BaseError, PlayoutNameViewModel> maybeResult =
            await Mediator.Send(new UpdatePlayout(PlayoutId, _resetTime), _cts.Token);

        maybeResult.Match(
            playout => { MudDialog.Close(DialogResult.Ok(playout)); },
            error =>
            {
                Snackbar.Add(error.Value, Severity.Error);
                Logger.LogError("Error updating Playout: {Error}", error.Value);
                MudDialog.Close(DialogResult.Cancel());
            });
    }

    private void Cancel(MouseEventArgs e) => MudDialog.Cancel();
}