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

#if UNITY_EDITOR
using UnityEditor;
#endif

namespace SLSUtilities.Feedback
{
    /// <summary>
    /// FeedbackData 的容器，供策划在武器 Prefab 上配置多个反馈序列。
    /// 支持按 feedbackName 索引查找。
    /// </summary>
    [CreateAssetMenu(fileName = "FeedbackDataCollection", menuName = "SLS/Feedback/FeedbackDataCollection")]
    public class FeedbackDataCollection : SerializedScriptableObject
    {
        /// <summary>
        /// 反馈数据列表。
        /// </summary>
        [Searchable]
        [ListDrawerSettings(ShowFoldout = true, CustomRemoveIndexFunction = "OnRemoveItem")]
        [OnValueChanged("OnListChanged", true)]
        public List<FeedbackData> feedbackDataList = new List<FeedbackData>();

        /// <summary>
        /// 按 feedbackName 索引查找 FeedbackData。
        /// </summary>
        public FeedbackData this[string name]
        {
            get
            {
                if (feedbackDataList == null || string.IsNullOrEmpty(name)) return null;
                return feedbackDataList.FirstOrDefault(d => d != null && d.feedbackName == name);
            }
        }

        /// <summary>
        /// 尝试按名称获取 FeedbackData。
        /// </summary>
        public bool TryGet(string name, out FeedbackData data)
        {
            data = this[name];
            return data != null;
        }

        /// <summary>
        /// 当列表发生任何变化（添加、拖入、重新排序）时调用，维护父子引用。
        /// </summary>
        private void OnListChanged()
        {
            if (feedbackDataList == null) return;

            foreach (var data in feedbackDataList)
            {
                if (data != null && data.parentCollection != this)
                {
                    data.parentCollection = this;
#if UNITY_EDITOR
                    EditorUtility.SetDirty(data);
#endif
                }
            }
        }

        /// <summary>
        /// 自定义删除逻辑：先解绑父级引用，再从列表中移除。
        /// </summary>
        private void OnRemoveItem(int index)
        {
            if (index < 0 || index >= feedbackDataList.Count) return;

            FeedbackData dataToRemove = feedbackDataList[index];
            if (dataToRemove != null)
            {
                if (dataToRemove.parentCollection == this)
                {
                    dataToRemove.parentCollection = null;
#if UNITY_EDITOR
                    EditorUtility.SetDirty(dataToRemove);
#endif
                }
            }

            feedbackDataList.RemoveAt(index);
#if UNITY_EDITOR
            EditorUtility.SetDirty(this);
#endif
        }

        /// <summary>
        /// 运行时按名称预览指定的 FeedbackData。
        /// </summary>
        [Button("Preview by Name")]
        [EnableIf("@UnityEngine.Application.isPlaying")]
        public void PreviewByName(string name)
        {
            if (!Application.isPlaying)
            {
                Debug.LogWarning("[FeedbackDataCollection] Preview is only available in Play mode.");
                return;
            }

            if (TryGet(name, out FeedbackData data))
            {
                data.Preview();
            }
            else
            {
                Debug.LogWarning($"[FeedbackDataCollection] FeedbackData with name '{name}' not found.");
            }
        }
    }
}