@page "/search"
@using ErsatzTV.Application.MediaCards
@using ErsatzTV.Application.MediaCollections
@using ErsatzTV.Application.MediaCollections.Commands
@using ErsatzTV.Application.Search.Queries
@using Microsoft.AspNetCore.WebUtilities
@using Microsoft.Extensions.Primitives
@using Unit = LanguageExt.Unit
@inherits MultiSelectBase<Search>
@inject NavigationManager NavigationManager
@inject ChannelWriter<IBackgroundServiceRequest> Channel

<MudPaper Square="true" Style="display: flex; height: 64px; left: 240px; padding: 0; position: fixed; right: 0; z-index: 100;">
    <div style="display: flex; flex-direction: row; margin-bottom: auto; margin-top: auto; width: 100%" class="ml-6 mr-6">
        @if (IsSelectMode())
        {
            <MudText Typo="Typo.h6" Color="Color.Primary">@SelectionLabel()</MudText>
            <div style="margin-left: auto">
                <MudButton Variant="Variant.Filled"
                           Color="Color.Primary"
                           StartIcon="@Icons.Material.Filled.Add"
                           OnClick="@(_ => AddSelectionToCollection())">
                    Add To Collection
                </MudButton>
                <MudButton Class="ml-3"
                           Variant="Variant.Filled"
                           Color="Color.Secondary"
                           StartIcon="@Icons.Material.Filled.Check"
                           OnClick="@(_ => ClearSelection())">
                    Clear Selection
                </MudButton>
            </div>
        }
        else
        {
            <MudText>@_query</MudText>
            if (_movies.Count > 0)
            {
                <MudLink Class="ml-4" Href="@(NavigationManager.Uri.Split("#").Head() + "#movies")">@_movies.Count Movies</MudLink>
            }
            else
            {
                <MudText Class="ml-4">0 Movies</MudText>
            }

            if (_shows.Count > 0)
            {
                <MudLink Class="ml-4" Href="@(NavigationManager.Uri.Split("#").Head() + "#shows")">@_shows.Count Shows</MudLink>
            }
            else
            {
                <MudText Class="ml-4">0 Shows</MudText>
            }

            if (_musicVideos.Count > 0)
            {
                <MudLink Class="ml-4" Href="@(NavigationManager.Uri.Split("#").Head() + "#music_videos")">@_musicVideos.Count Music Videos</MudLink>
            }
            else
            {
                <MudText Class="ml-4">0 Music Videos</MudText>
            }
        }
    </div>
</MudPaper>
<MudContainer MaxWidth="MaxWidth.ExtraLarge" Style="margin-top: 96px">
    @if (_movies.Count > 0)
    {
        <div class="mb-4" style="align-items: baseline; display: flex; flex-direction: row;">
            <MudText Typo="Typo.h4"
                     Style="scroll-margin-top: 160px"
                     UserAttributes="@(new Dictionary<string, object> { { "id", "movies" } })">
                Movies
            </MudText>
            @if (_movies.Count > 50)
            {
                <MudLink Href="@GetMoviesLink()" Class="ml-4">See All >></MudLink>
            }
        </div>

        <MudContainer MaxWidth="MaxWidth.False" Class="media-card-grid">
            @foreach (MovieCardViewModel card in _movies.Cards.OrderBy(m => m.SortTitle))
            {
                <MediaCard Data="@card"
                           Link="@($"/media/movies/{card.MovieId}")"
                           AddToCollectionClicked="@AddToCollection"
                           SelectClicked="@(e => SelectClicked(card, e))"
                           IsSelected="@IsSelected(card)"
                           IsSelectMode="@IsSelectMode()"/>
            }
        </MudContainer>
    }

    @if (_shows.Count > 0)
    {
        <div class="mb-4" style="align-items: baseline; display: flex; flex-direction: row;">
            <MudText Typo="Typo.h4"
                     Style="scroll-margin-top: 160px"
                     UserAttributes="@(new Dictionary<string, object> { { "id", "shows" } })">
                Shows
            </MudText>
            @if (_shows.Count > 50)
            {
                <MudLink Href="@GetShowsLink()" Class="ml-4">See All >></MudLink>
            }
        </div>

        <MudContainer MaxWidth="MaxWidth.False" Class="media-card-grid">
            @foreach (TelevisionShowCardViewModel card in _shows.Cards.OrderBy(s => s.SortTitle))
            {
                <MediaCard Data="@card"
                           Link="@($"/media/tv/shows/{card.TelevisionShowId}")"
                           AddToCollectionClicked="@AddToCollection"
                           SelectClicked="@(e => SelectClicked(card, e))"
                           IsSelected="@IsSelected(card)"
                           IsSelectMode="@IsSelectMode()"/>
            }
        </MudContainer>
    }

    @if (_musicVideos.Count > 0)
    {
        <div class="mb-4" style="align-items: baseline; display: flex; flex-direction: row;">
            <MudText Typo="Typo.h4"
                     Style="scroll-margin-top: 160px"
                     UserAttributes="@(new Dictionary<string, object> { { "id", "music_videos" } })">
                Music Videos
            </MudText>
            @if (_shows.Count > 50)
            {
                <MudLink Href="@GetMusicVideosLink()" Class="ml-4">See All >></MudLink>
            }
        </div>

        <MudContainer MaxWidth="MaxWidth.False" Class="media-card-grid">
            @foreach (MusicVideoCardViewModel card in _musicVideos.Cards.OrderBy(s => s.SortTitle))
            {
                <MediaCard Data="@card"
                           Link=""
                           ArtworkKind="ArtworkKind.Thumbnail"
                           AddToCollectionClicked="@AddToCollection"
                           SelectClicked="@(e => SelectClicked(card, e))"
                           IsSelected="@IsSelected(card)"
                           IsSelectMode="@IsSelectMode()"/>
            }
        </MudContainer>
    }
</MudContainer>

@code {
    private string _query;
    private MovieCardResultsViewModel _movies;
    private TelevisionShowCardResultsViewModel _shows;
    private MusicVideoCardResultsViewModel _musicVideos;

    protected override async Task OnInitializedAsync()
    {
        string query = new Uri(NavigationManager.Uri).Query;

        if (QueryHelpers.ParseQuery(query).TryGetValue("query", out StringValues value))
        {
            _query = value;

            _movies = await Mediator.Send(new QuerySearchIndexMovies($"type:movie AND ({_query})", 1, 50));
            _shows = await Mediator.Send(new QuerySearchIndexShows($"type:show AND ({_query})", 1, 50));
            _musicVideos = await Mediator.Send(new QuerySearchIndexMusicVideos($"type:music_video AND ({_query})", 1, 50));
        }
    }

    private void SelectClicked(MediaCardViewModel card, MouseEventArgs e)
    {
        List<MediaCardViewModel> GetSortedItems()
        {
            return _movies.Cards.OrderBy(m => m.SortTitle)
                .Append<MediaCardViewModel>(_shows.Cards.OrderBy(s => s.SortTitle))
                .Append(_musicVideos.Cards.OrderBy(s => s.SortTitle))
                .ToList();
        }

        SelectClicked(GetSortedItems, card, e);
    }

    private async Task AddToCollection(MediaCardViewModel card)
    {
        if (card is MovieCardViewModel movie)
        {
            var parameters = new DialogParameters { { "EntityType", "movie" }, { "EntityName", movie.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 AddMovieToCollection(collection.Id, movie.MovieId);
                Either<BaseError, Unit> addResult = await Mediator.Send(request);
                addResult.Match(
                    Left: error =>
                    {
                        Snackbar.Add($"Unexpected error adding movie to collection: {error.Value}");
                        Logger.LogError("Unexpected error adding movie to collection: {Error}", error.Value);
                    },
                    Right: _ => Snackbar.Add($"Added {movie.Title} to collection {collection.Name}", Severity.Success));
            }
        }

        if (card is TelevisionShowCardViewModel show)
        {
            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)
            {
                var request = new AddShowToCollection(collection.Id, show.TelevisionShowId);
                Either<BaseError, Unit> addResult = await Mediator.Send(request);
                addResult.Match(
                    Left: error =>
                    {
                        Snackbar.Add($"Unexpected error adding show to collection: {error.Value}");
                        Logger.LogError("Unexpected error adding show to collection: {Error}", error.Value);
                    },
                    Right: _ => Snackbar.Add($"Added {show.Title} to collection {collection.Name}", Severity.Success));
            }
        }

        if (card is MusicVideoCardViewModel musicVideo)
        {
            var parameters = new DialogParameters { { "EntityType", "music video" }, { "EntityName", musicVideo.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 AddMusicVideoToCollection(collection.Id, musicVideo.MusicVideoId);
                Either<BaseError, Unit> addResult = await Mediator.Send(request);
                addResult.Match(
                    Left: error =>
                    {
                        Snackbar.Add($"Unexpected error adding music video to collection: {error.Value}");
                        Logger.LogError("Unexpected error adding music video to collection: {Error}", error.Value);
                    },
                    Right: _ => Snackbar.Add($"Added {musicVideo.Title} to collection {collection.Name}", Severity.Success));
            }
        }
    }

    private string GetMoviesLink()
    {
        var uri = "/media/movies/page/1";
        if (!string.IsNullOrWhiteSpace(_query))
        {
            uri = QueryHelpers.AddQueryString(uri, "query", _query);
        }
        return uri;
    }

    private string GetShowsLink()
    {
        var uri = "/media/tv/shows/page/1";
        if (!string.IsNullOrWhiteSpace(_query))
        {
            uri = QueryHelpers.AddQueryString(uri, "query", _query);
        }
        return uri;
    }

    private string GetMusicVideosLink()
    {
        var uri = "/media/music/videos/page/1";
        if (!string.IsNullOrWhiteSpace(_query))
        {
            uri = QueryHelpers.AddQueryString(uri, "query", _query);
        }
        return uri;
    }

}