using System;
using System.Reflection;
using System.Collections.Generic;
using Activity.HomeEntranceBtn;
using OrderManager;
using asap.core;
using cfg;
using UnityEngine;

namespace Activity
{
    /// <summary>
    /// 活动哨兵基类 - 只负责执行活动开关，不负责监听和判断
    /// </summary>
    public abstract class AActivitySentry<TM,TD> : IActivitySentry where TM : AEventDataManager<TD> where TD : IEventData ,new()
    {
        protected AActivitySentry()
        {
            var attribute = GetType().GetCustomAttribute<ActivitySentryAttribute>();
            if (attribute == null)
            {
                Debug.LogError($"{GetType().Name} must have ActivitySentryAttribute");
                return;
            }
            EventType = attribute.EventType;
            EventSubType = attribute.EventSubType;
        }

        public int EventType { get; }
        public int EventSubType { get; }

        public IHomeEntranceBtn HomeEntranceBtn { get; set; }
        public FishingEvent CurrentEventConfig { get; set; }
        public List<FishingEvent> RelatedEvents { get; set; }
        protected bool IsActive { get; private set; } = false;

        // DI 注入的依赖（用于替代静态方法调用）
        protected ActivityScopeManager _scopeManager;
        /// <summary>
        /// 由 ActivityManager 在创建 Sentry 时调用，注入依赖
        /// </summary>
        public void InjectDependencies(ActivityScopeManager scopeManager  )
        {
            _scopeManager = scopeManager;
        }

        /// <summary>
        /// 便捷方法：解析活动管理器
        /// </summary>
        protected TM ResolveManager()
        {
            return _scopeManager.GetOrRegisterInstance<TM>((EventType, EventSubType));
        }

        /// <summary>
        /// 活动开启（由 Manager 调用）
        /// </summary>
        public void Open(FishingEvent fishingEvent)
        {
            if (fishingEvent == null) return;

            var previousEventConfig = CurrentEventConfig;
            CurrentEventConfig = fishingEvent;
            IsActive = true;

            // 如果是切换到新活动，先调用切换钩子
            if (previousEventConfig != fishingEvent)
                OnEventChanged(previousEventConfig, fishingEvent);

            // 调用激活钩子
            OnEventActive(fishingEvent);
        }

        /// <summary>
        /// 活动关闭（由 Manager 调用）
        /// </summary>
        public void Close(FishingEvent fishingEvent)
        {
            if (fishingEvent == null) return;

            OnEventClosed(fishingEvent);

            IsActive = false;
            CurrentEventConfig =null;
        }

        public void RegisterHomeEntranceBtn(IHomeEntranceBtn homeEntranceBtn)
        {
            HomeEntranceBtn = homeEntranceBtn;
            if(IsActive)
                homeEntranceBtn?.OnOpen(CurrentEventConfig,ResolveManager());
        }

        public void UnregisterHomeEntranceBtn()
        {
            HomeEntranceBtn = null;
        }

        /// <inheritdoc />
        public virtual void OnActivityTokenBalanceChanged(int eventId)
        {
            if (!IsActive || CurrentEventConfig == null || CurrentEventConfig.ID != eventId)
                return;

            var manager = ResolveManager();
            if (manager == null)
                return;

            if (manager is IActivityEventRedPoint<TD> red)
            {
                try
                {
                    red.SetRedPoint(manager.LoadData());
                }
                catch (Exception e)
                {
                    Debug.LogError($"[{GetType().Name}] SetRedPoint after token balance change failed: {e.Message}");
                }
            }
        }

        #region 生命周期钩子

        /// <summary>
        /// 活动切换时调用
        /// </summary>
        protected virtual void OnEventChanged(FishingEvent previousEventConfig, FishingEvent newEventConfig)
        {
            if(newEventConfig==null) return;
            ResolveManager()?.RefreshData(newEventConfig);
        }

        /// <summary>
        /// 活动激活时调用
        /// </summary>
        protected virtual void OnEventActive(FishingEvent fishingEvent)
        {
            // 活动开启时注册到 OrderManager
            var manager = ResolveManager();
            if (manager is IOrderReplenishment repl)
                OrderManager.OrderManager.RegisterReplenishment(repl);
            if (manager is IOrderSuccess succ)
                OrderManager.OrderManager.RegisterOrderSuccess(succ);

            //todo 这里通知homepanle 实例化 homeEntranceBtn prefab，
            HomeEntranceBtn?.OnOpen(fishingEvent, manager);
        }

        /// <summary>
        /// 活动关闭时调用
        /// </summary>
        protected virtual void OnEventClosed(FishingEvent fishingEvent)
        {
            // 活动关闭时取消注册
            var manager = ResolveManager();
            if (manager is IOrderReplenishment repl)
                OrderManager.OrderManager.UnregisterReplenishment(repl);
            if (manager is IOrderSuccess succ)
                OrderManager.OrderManager.UnregisterOrderSuccess(succ);

            // 通知按钮活动关闭
            HomeEntranceBtn?.OnClose(fishingEvent);
        }

        #endregion

        #region IDisposable

        public virtual void Dispose()
        {
            if (!IsActive) return;
            Close(CurrentEventConfig);
        }

        #endregion
    }
}