@page "/media/tv/shows/{ShowId:int}"
@using ErsatzTV.Application.Television
@using ErsatzTV.Application.Television.Queries
@using ErsatzTV.Application.MediaCards
@using ErsatzTV.Application.MediaCards.Queries
@using ErsatzTV.Application.MediaCollections
@using ErsatzTV.Application.MediaCollections.Commands
@using ErsatzTV.Application.ProgramSchedules
@using ErsatzTV.Application.ProgramSchedules.Commands
@using Unit = LanguageExt.Unit
@inject IMediator Mediator
@inject ILogger<TelevisionSeasonList> Logger
@inject ISnackbar Snackbar
@inject IDialogService Dialog
@inject NavigationManager NavigationManager
@inject ChannelWriter<IBackgroundServiceRequest> Channel

<MudContainer MaxWidth="MaxWidth.False" Style="padding: 0" Class="fanart-container">
    <div class="fanart-tint"></div>
    @if (!string.IsNullOrWhiteSpace(_show.FanArt))
    {
        <img src="@($"/artwork/fanart/{_show.FanArt}")" alt="fan art"/>
    }
</MudContainer>
<MudContainer MaxWidth="MaxWidth.Large" Style="margin-top: 200px">
    <div style="display: flex; flex-direction: row;" class="mb-6">
        @if (!string.IsNullOrWhiteSpace(_show.Poster))
        {
            <img class="mud-elevation-2 mr-6"
                 style="border-radius: 4px; max-height: 440px"
                 src="@($"/artwork/posters/{_show.Poster}")" alt="show poster"/>
        }
        <div style="display: flex; flex-direction: column; height: 100%">
            <MudText Typo="Typo.h2" Class="media-item-title">@_show.Title</MudText>
            <MudText Typo="Typo.subtitle1" Class="media-item-subtitle mb-6 mud-text-secondary">@_show.Year</MudText>
            @if (!string.IsNullOrWhiteSpace(_show.Plot))
            {
                <MudCard Elevation="2" Class="mb-6">
                    <MudCardContent Class="mx-3 my-3" Style="height: 100%">
                        <MudText Style="flex-grow: 1">@_show.Plot</MudText>
                    </MudCardContent>
                </MudCard>
            }
            <div>
                <MudButton Variant="Variant.Filled"
                           Color="Color.Primary"
                           StartIcon="@Icons.Material.Filled.Add"
                           OnClick="@AddToCollection">
                    Add To Collection
                </MudButton>
                <MudButton Class="ml-3"
                           Variant="Variant.Filled"
                           Color="Color.Primary"
                           StartIcon="@Icons.Material.Filled.Schedule"
                           OnClick="@AddToSchedule">
                    Add To Schedule
                </MudButton>
            </div>
        </div>
    </div>
    @if (_show.Genres.Any())
    {
        <MudText GutterBottom="true">Genres</MudText>
        <div class="mb-2">
            @foreach (string genre in _show.Genres.OrderBy(g => g))
            {
                <MudFab Color="Color.Info" Size="Size.Small" Label="@genre" Class="mr-2 mb-2" Link="@($"/search?query=genre%3a%22{genre.ToLowerInvariant()}%22")"/>
            }
        </div>
    }
    @if (_show.Tags.Any())
    {
        <MudText GutterBottom="true">Tags</MudText>
        <div>
            @foreach (string tag in _show.Tags.OrderBy(t => t))
            {
                <MudFab Color="Color.Info" Size="Size.Small" Label="@tag" Class="mr-2 mb-2" Link="@($"/search?query=tag%3a%22{tag.ToLowerInvariant()}%22")"/>
            }
        </div>
    }
</MudContainer>
<MudContainer MaxWidth="MaxWidth.Large" Class="media-card-grid mt-8">
    @foreach (TelevisionSeasonCardViewModel card in _data.Cards)
    {
        <MediaCard Data="@card" Placeholder="@card.Placeholder"
                   Link="@($"/media/tv/seasons/{card.TelevisionSeasonId}")"
                   AddToCollectionClicked="@AddSeasonToCollection"/>
    }
</MudContainer>

@code {

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

    private TelevisionShowViewModel _show;

    private int _pageSize => 100;
    private readonly int _pageNumber = 1;

    private TelevisionSeasonCardResultsViewModel _data;

    protected override Task OnParametersSetAsync() => RefreshData();

    private async Task RefreshData()
    {
        await Mediator.Send(new GetTelevisionShowById(ShowId))
            .IfSomeAsync(vm => _show = vm);

        _data = await Mediator.Send(new GetTelevisionSeasonCards(ShowId, _pageNumber, _pageSize));
    }

    private async Task AddToCollection()
    {
        var parameters = new DialogParameters { { "EntityType", "show" }, { "EntityName", _show.Title } };
        var options = new DialogOptions { CloseButton = true, MaxWidth = MaxWidth.ExtraSmall };

        IDialogReference dialog = Dialog.Show<AddToCollectionDialog>("Add To Collection", parameters, options);
        DialogResult result = await dialog.Result;
        if (!result.Cancelled && result.Data is MediaCollectionViewModel collection)
        {
            await Mediator.Send(new AddShowToCollection(collection.Id, ShowId));
            NavigationManager.NavigateTo($"/media/collections/{collection.Id}");
        }
    }

    private async Task AddToSchedule()
    {
        var parameters = new DialogParameters { { "EntityType", "show" }, { "EntityName", _show.Title } };
        var options = new DialogOptions { CloseButton = true, MaxWidth = MaxWidth.ExtraSmall };

        IDialogReference dialog = Dialog.Show<AddToScheduleDialog>("Add To Schedule", parameters, options);
        DialogResult result = await dialog.Result;
        if (!result.Cancelled && result.Data is ProgramScheduleViewModel schedule)
        {
            await Mediator.Send(new AddProgramScheduleItem(schedule.Id, StartType.Dynamic, null, PlayoutMode.One, ProgramScheduleItemCollectionType.TelevisionShow, null, ShowId, null, null, null));
            NavigationManager.NavigateTo($"/schedules/{schedule.Id}/items");
        }
    }

    private async Task AddSeasonToCollection(MediaCardViewModel card)
    {
        if (card is TelevisionSeasonCardViewModel season)
        {
            var parameters = new DialogParameters { { "EntityType", "season" }, { "EntityName", season.Title } };
            var options = new DialogOptions { CloseButton = true, MaxWidth = MaxWidth.ExtraSmall };

            IDialogReference dialog = Dialog.Show<AddToCollectionDialog>("Add To Collection", parameters, options);
            DialogResult result = await dialog.Result;
            if (!result.Cancelled && result.Data is MediaCollectionViewModel collection)
            {
                var request = new AddSeasonToCollection(collection.Id, season.TelevisionSeasonId);
                Either<BaseError, Unit> addResult = await Mediator.Send(request);
                addResult.Match(
                    Left: error =>
                    {
                        Snackbar.Add($"Unexpected error adding season to collection: {error.Value}");
                        Logger.LogError("Unexpected error adding season to collection: {Error}", error.Value);
                    },
                    Right: _ => Snackbar.Add($"Added {season.Title} to collection {collection.Name}", Severity.Success));
            }
        }
    }

}