using DeepDrftModels.DTOs;
using DeepDrftPublic.Client.Services;
using Microsoft.AspNetCore.Components;

namespace DeepDrftPublic.Client.Controls;

/// <summary>
/// Shared detail-page chrome for any release medium: back link, masthead, play/share affordance,
/// and hero/meta slots. Owns the play-toggle wiring against the cascaded streaming player so each
/// detail page supplies only its data and medium-specific visuals. Extracted from the original
/// TrackDetail page, which is now a thin consumer of this scaffold.
/// </summary>
public partial class ReleaseDetailScaffold : ComponentBase
{
    [CascadingParameter] public IStreamingPlayerService? PlayerService { get; set; }

    [Parameter] public required string Title { get; set; }
    [Parameter] public string? Artist { get; set; }

    // The playable track for this release. Null while unresolved (or when a release has no
    // streamable track yet) — the play/share row is hidden in that case.
    [Parameter] public TrackDto? Track { get; set; }

    [Parameter] public string BackHref { get; set; } = "/archive";
    [Parameter] public string BackLabel { get; set; } = "Archive";

    /// <summary>
    /// Optional medium-specific content rendered between the back link and the masthead — the "below
    /// the back button, above the details" band. The Mix detail page uses it for the visualizer
    /// controls row; other media leave it null.
    /// </summary>
    [Parameter] public RenderFragment? TopContent { get; set; }

    /// <summary>Medium-specific hero visual (cover art, hero image, or waveform background).</summary>
    [Parameter] public RenderFragment? Hero { get; set; }

    /// <summary>Optional medium-specific metadata block, rendered under a divider when present.</summary>
    [Parameter] public RenderFragment? MetaContent { get; set; }

    /// <summary>
    /// Gate for the metadata block. Lets a consumer supply a <see cref="MetaContent"/> fragment but
    /// suppress the divider + block when its data is empty (slot fragments cannot be conditionally
    /// attached inline). Defaults to shown.
    /// </summary>
    [Parameter] public bool ShowMeta { get; set; } = true;

    private async Task PlayTrack()
    {
        if (Track is null || PlayerService is null) return;

        // Toggle if this track is already active (playing or paused); otherwise start a fresh
        // stream. SelectTrackStreaming is the live entry point — the buffered path is dead.
        var isThisTrack = PlayerService.CurrentTrack?.Id == Track.Id;
        if (isThisTrack && (PlayerService.IsPlaying || PlayerService.IsPaused))
        {
            await PlayerService.TogglePlayPause();
        }
        else
        {
            await PlayerService.SelectTrackStreaming(Track);
        }
    }
}