using System.IO;

namespace OCES.Audio
{
    /// <summary>
    /// 替换策略类型
    /// </summary>
    public enum KillMode
    {
        Oldest,   // 打断最早开始的
        Newest,   // 打断最新开始的
    }
    
    /// <summary>
    /// 混音分组
    /// </summary>
    public enum MixingType
    {
        Sfx = 0,
        Voice,
        Accented,
    }
    
    /// <summary>
    /// 声音容器类型
    /// </summary>
    public enum ContainerType
    {
        Random = 0,
        Sequence,
        Blend,
        Switch,
    }

    public enum BlendCrossFadeType
    {
        Exponential = 0,
        Linear,
        Logarithmic,
    }

    public enum AlignMode
    {
        Immediate,
        Beat,
        Bar,
    }
    
    public enum ActiveSoundState
    {
        Pending,   // 已进入调度，但还没真正播放
        Playing,   // 已经开始播放
        Finished,
    }

    public enum SyncPoint
    {
        Start,
        SameAsCurrentSegment,
    }
    
    public interface IBinarySerializable
    {
        void DeSerialize(BinaryReader reader);
        void Serialize(BinaryWriter writer);
    }
    
    // ─────────────────────────────────────────────
    // 辅助接口，让泛型方法同时处理 MusicPath 和 AmbiencePath
    // ─────────────────────────────────────────────

    public interface IPathEntry
    {
        uint Id          { get; }
        string Path      { get; }
        uint ContainerId { get; }
        int Priority     { get; }
    }

    public interface ITransitionConfig
    {
        float FadeOutOffset { get; }
        float FadeOutTime   { get; }
        float FadeInOffset  { get; }
        float FadeInTime    { get; }
    }
    
    public partial class MusicTransition    : ITransitionConfig { }
    public partial class AmbienceTransition : ITransitionConfig { }
    

    public partial class MusicPath    : IPathEntry { }
    public partial class AmbiencePath : IPathEntry { }
    
    public enum CallbackFlags
    {
        MusicSyncBeat = 1,
        MusicSyncBar = 2,
        MusicSyncGrid = 3,
    }
}