ersatztv/ErsatzTV/Pages/BlockPlayoutEditor.razor

@page "/playouts/block/{Id:int}"
@using ErsatzTV.Application.Channels
@using ErsatzTV.Application.Scheduling
@implements IDisposable
@inject NavigationManager NavigationManager
@inject ISnackbar Snackbar
@inject IMediator Mediator
@inject IEntityLocker EntityLocker;

<MudContainer MaxWidth="MaxWidth.ExtraLarge" Class="pt-8">
    <MudText Typo="Typo.h4" Class="mb-4">Edit Block Playout - @_channelName</MudText>
    <MudGrid Class="mt-4">
        <MudCard Class="mr-6 mb-6" Style="width: 400px">
            <MudCardHeader>
                <CardHeaderContent>
                    <MudText Typo="Typo.h5">Playout Templates</MudText>
                </CardHeaderContent>
            </MudCardHeader>
            <MudCardContent>
                <MudButton Disabled="@EntityLocker.IsPlayoutLocked(Id)" Variant="Variant.Filled" Color="Color.Primary" Href="@($"playouts/{Id}/templates")" Class="mt-4">
                    Edit Templates
                </MudButton>
            </MudCardContent>
        </MudCard>
        <MudCard Class="mr-6 mb-6" Style="width: 400px">
            <MudCardHeader>
                <CardHeaderContent>
                    <MudText Typo="Typo.h5">Playout Items and History</MudText>
                </CardHeaderContent>
            </MudCardHeader>
            <MudCardContent>
                <div>
                    <MudButton Disabled="@EntityLocker.IsPlayoutLocked(Id)" Variant="Variant.Filled" Color="Color.Warning" OnClick="@(_ => EraseItems(eraseHistory: false))" Class="mt-4">
                        Erase Items
                    </MudButton>
                </div>
                <div>
                    <MudButton Disabled="@EntityLocker.IsPlayoutLocked(Id)" Variant="Variant.Filled" Color="Color.Error" OnClick="@(_ => EraseItems(eraseHistory: true))" Class="mt-4">
                        Erase Items and History
                    </MudButton>
                </div>
            </MudCardContent>
        </MudCard>
        <MudCard Class="mr-6 mb-6" Style="width: 400px">
            <MudCardHeader>
                <CardHeaderContent>
                    <MudText Typo="Typo.h5">Default Deco</MudText>
                </CardHeaderContent>
            </MudCardHeader>
            <MudCardContent>
                <MudElement HtmlTag="div" Class="mt-3">
                    <MudSwitch T="bool" Label="Enable Default Deco" @bind-Value="_enableDefaultDeco" Color="Color.Primary"/>
                </MudElement>
                @if (_enableDefaultDeco)
                {
                    <MudElement HtmlTag="div" Class="mt-2">
                        <MudSelect T="DecoGroupViewModel"
                                   Label="Deco Group"
                                   Value="@_selectedDefaultDecoGroup"
                                   ValueChanged="@(vm => UpdateDefaultDecoTemplateGroupItems(vm))">
                            @foreach (DecoGroupViewModel decoGroup in _decoGroups)
                            {
                                <MudSelectItem Value="@decoGroup">@decoGroup.Name</MudSelectItem>
                            }
                        </MudSelect>
                    </MudElement>
                    <MudElement HtmlTag="div" Class="mt-2">
                        <MudSelect Label="Deco"
                                   @bind-Value="_defaultDeco"
                                   For="@(() => _defaultDeco)">
                            @foreach (DecoViewModel deco in _decos)
                            {
                                <MudSelectItem Value="@deco">@deco.Name</MudSelectItem>
                            }
                        </MudSelect>
                    </MudElement>
                }
            </MudCardContent>
            <MudCardActions>
                <MudButton Variant="Variant.Filled" Color="Color.Primary" OnClick="@(_ => SaveDefaultDeco())">
                    Save Changes
                </MudButton>
            </MudCardActions>
        </MudCard>
    </MudGrid>
</MudContainer>

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

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

    private readonly List<DecoGroupViewModel> _decoGroups = [];
    private readonly List<DecoViewModel> _decos = [];

    private string _channelName;
    private bool _enableDefaultDeco;
    private DecoGroupViewModel _selectedDefaultDecoGroup;
    private DecoViewModel _defaultDeco;

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

    protected override async Task OnParametersSetAsync()
    {
        Option<string> maybeName = await Mediator.Send(new GetChannelNameByPlayoutId(Id), _cts.Token);
        if (maybeName.IsNone)
        {
            NavigationManager.NavigateTo("playouts");
            return;
        }

        foreach (string name in maybeName)
        {
            _channelName = name;
        }

        _decoGroups.Clear();
        _decoGroups.AddRange(await Mediator.Send(new GetAllDecoGroups(), _cts.Token));

        Option<DecoViewModel> maybeDefaultDeco = await Mediator.Send(new GetDecoByPlayoutId(Id), _cts.Token);
        foreach (DecoViewModel defaultDeco in maybeDefaultDeco)
        {
            _enableDefaultDeco = true;
            _selectedDefaultDecoGroup = _decoGroups.SingleOrDefault(dg => dg.Id == defaultDeco.DecoGroupId);
            await UpdateDefaultDecoTemplateGroupItems(_selectedDefaultDecoGroup);
            _defaultDeco = defaultDeco;
        }
    }

    private async Task UpdateDefaultDecoTemplateGroupItems(DecoGroupViewModel decoGroup)
    {
        _selectedDefaultDecoGroup = decoGroup;

        _decos.Clear();
        _decos.AddRange(await Mediator.Send(new GetDecosByDecoGroupId(_selectedDefaultDecoGroup.Id), _cts.Token));
    }

    private async Task EraseItems(bool eraseHistory)
    {
        IRequest request = eraseHistory ? new ErasePlayoutHistory(Id) : new ErasePlayoutItems(Id);
        await Mediator.Send(request, _cts.Token);

        string message = eraseHistory ? "Erased playout items and history" : "Erased playout items";
        Snackbar.Add(message, Severity.Info);
    }

    private async Task SaveDefaultDeco()
    {
        int? decoId = _enableDefaultDeco ? _defaultDeco?.Id : null;
        await Mediator.Send(new UpdateDefaultDeco(Id, decoId), _cts.Token);
    }

}