using System;
using System.Collections.Generic;
using System.Linq;
using Sirenix.OdinInspector;
using UniRx;
using UnityEngine;

namespace SLSUtilities.Feedback
{
    /// <summary>
    /// 单个反馈序列的完整数据定义，是 Feedback 系统的核心 ScriptableObject。
    /// 包含多条轨道（Track），每条轨道包含按时间排列的片段（Clip）。
    /// </summary>
    [CreateAssetMenu(fileName = "NewFeedbackData", menuName = "SLS/Feedback/FeedbackData")]
    public partial class FeedbackData : SerializedScriptableObject
    {
        /// <summary>
        /// 父级集合引用，由 FeedbackDataCollection 自动维护。
        /// </summary>
        [ReadOnly, ShowInInspector]
        public FeedbackDataCollection parentCollection;

        /// <summary>
        /// 用于字典索引的名称，在 FeedbackDataCollection 中按此名称查找。
        /// </summary>
        [Title("Editor Settings")]
        public string feedbackName;

        /// <summary>
        /// 全局默认的时间设置。Clip 可选择覆盖此设置。
        /// </summary>
        public FeedbackTimeSettings defaultTimeSettings = new FeedbackTimeSettings();

        /// <summary>
        /// 反馈轨道列表，多条轨道天然并行播放。
        /// </summary>
        [Title("Feedback Tracks")]
        [ListDrawerSettings(ShowFoldout = true, ListElementLabelName = "trackName")]
        public List<FeedbackTrack> tracks = new List<FeedbackTrack>();

        /// <summary>
        /// 所有轨道的最大时长。
        /// </summary>
        public float TotalDuration => tracks.Count > 0 ? tracks.Max(t => t.TotalDuration) : 0f;

        /// <summary>
        /// 运行时预览：通过 FeedbackManager 播放此反馈。
        /// 仅在 Play 模式下可用。
        /// </summary>
        [Button("Preview", ButtonSizes.Medium)]
        [EnableIf("@UnityEngine.Application.isPlaying")]
        public void Preview()
        {
            if (!Application.isPlaying)
            {
                Debug.LogWarning("[FeedbackData] Preview is only available in Play mode.");
                return;
            }

            if (FeedbackManager.Instance == null)
            {
                Debug.LogWarning("[FeedbackData] Preview failed: FeedbackManager not found in scene. " +
                                 "Add a GameObject with FeedbackManager component.");
                return;
            }

            FeedbackPlayer player = FeedbackManager.Instance.Play(this);
            Debug.Log($"[FeedbackData] Previewing '{feedbackName}' (Duration: {TotalDuration:F2}s)");
        }
    }

    public partial class FeedbackData
    {
        public FeedbackTrack Track(string name)
        {
            FeedbackTrack track = tracks.FirstOrDefault(t => t.trackName == name);
            if (track == null)
            {
                Debug.LogWarning($"[FeedbackData] Track '{name}' not found in FeedbackData '{feedbackName}'.");
            }
            return track;
        }
        
        public FeedbackClip Clip(string trackName, Func<FeedbackClip, bool> predicate)
        {
            FeedbackTrack track = Track(trackName);
            if (track == null) return null;

            FeedbackClip clip = track.clips.FirstOrDefault(predicate);
            if (clip == null)
            {
                Debug.LogWarning($"[FeedbackData] Clip matching predicate not found in Track '{trackName}' of FeedbackData '{feedbackName}'.");
            }
            return clip;
        }
        
        public FeedbackClip Clip<T>(string trackName) where T : FeedbackActionBase
        {
            return Clip(trackName, c => c.action.GetType() == typeof(T));
        }
        
        public FeedbackClip Clip(string trackName, string clipName)
        {
            return Clip(trackName, c => c.clipName == clipName);
        }
        
        public T Action<T>(string trackName) where T : FeedbackActionBase
        {
            FeedbackTrack track = Track(trackName);
            FeedbackClip clip = track?.clips.FirstOrDefault(c => c.action.GetType() == typeof(T));
            return clip?.action as T;
        }
    }
}