using Evergreen.Health.Application.Health.Integrations.HomeAssistant;
using Evergreen.Health.Application.Health.Integrations.MiAirX;
using Evergreen.Health.Application.Health.Scenes;
using Evergreen.Health.Application.Health.Sleep;
using Microsoft.Extensions.Options;

namespace Evergreen.Health.Application.Health.Devices.Audio;

public sealed class BedPresenceSleepMusicAction(IHomeAssistantGateway gateway, TcmMusicTransitionService music,
    IOptions<HomeAssistantOptions> options) : IBedPresenceAction
{
    private const string Playlist = "balanced";

    public string Key => "speaker-sleep-music";
    public string Description => "用 Xiaomi Sound Pro 播放舒睡音乐";
    public string ConditionLabel => "音箱空闲时播放默认舒睡曲目并渐弱音量。";

    public bool SupportsTarget(string entityId) => options.Value.Enabled &&
        entityId?.StartsWith("media_player.", StringComparison.Ordinal) == true && entityId == options.Value.Entities.Speaker;

    public async Task<string> ExecuteAsync(string entityId, CancellationToken token)
    {
        if (!SupportsTarget(entityId)) return "target-not-configured";
        if (!music.HasPlayableTracks(Playlist)) return "speaker-music-not-configured";
        var states = await gateway.GetStatesAsync(token);
        var speaker = states.FirstOrDefault(state => string.Equals(state.EntityId, entityId, StringComparison.OrdinalIgnoreCase));
        if (speaker is null || !DeviceActionRunner.IsAvailable(speaker)) return "speaker-state-unavailable";
        if (speaker.State is not ("idle" or "off" or "standby")) return "speaker-not-idle";
        return await music.TryStartIdlePlaybackAsync(Playlist, token) ? "speaker-playback-sent" : "speaker-not-idle";
    }
}