using System;
using System.Collections.Generic;
using System.Linq;
using cfg;

namespace Activity.Condition
{
    /// <summary>
    /// 条件检查器工厂 - 从配置表加载
    /// </summary>
    public class ConditionCheckerFactory
    {
        private static Dictionary<ConditionType, Type> _checkerTypeMap;
        private static Dictionary<Type, IConditionChecker> _checkerMap;
        public static void Initialize()
        {
            _checkerTypeMap = new Dictionary<ConditionType, Type>
            {
                { ConditionType.AccountLevel, typeof(AccountLevelConditionChecker) },
                { ConditionType.GetFishCount, typeof(FishCountConditionChecker) },
                // ... 更多条件类型映射
            };
            _checkerMap ??= new Dictionary<Type, IConditionChecker>();
        }
        
        public static IConditionChecker CreateCheckerByConditionType(ConditionType conditionType)
        {
            return !_checkerTypeMap.TryGetValue(conditionType, out var type) ? new DefaultConditionChecker() : CreateCheckerByType(type);
        }

        private static IConditionChecker CreateCheckerByType(Type type)
        {
            if (_checkerMap.TryGetValue(type, out var checker))
                return checker;
            _checkerMap[type] = checker=(IConditionChecker)Activator.CreateInstance(type);
            return checker;
        }

        public static List<IConditionChecker> GetAllCommonCheckers()
        {
            // 从配置或约定加载所有通用检查器
            var checkerTypes = new[]
            {
                typeof(TimeConditionChecker),
                typeof(ABTestConditionChecker),
            };
            return checkerTypes.Select(CreateCheckerByType).Where(checker => checker != null).ToList();
        }
        public class DefaultConditionChecker : IConditionChecker
        {
            public int Priority => 999;
            public bool CanOpen(FishingEvent @event) => true;
            public List<Type> CareDataChangeWithType => null;
            public bool NeedContinueListenAfterSatisfied => false;
        }
    }
}