using System;
using System.Collections.Generic;
using System.Reflection;
using Logic.Skill;


namespace TH1_Logic.HeroTask
{
    public class HeroTaskFactory
    {
        private static Dictionary<HeroTaskContentType, Type> _contentDict;
        
        
        public static HeroTaskContentBase GetHeroTaskContentBase(HeroTaskContentType contentType)
        {
            var aliasContent = CreateAliasContent(contentType);
            if (aliasContent != null) return aliasContent;

            if (_contentDict == null)
            {
                _contentDict = new Dictionary<HeroTaskContentType, Type>();
                Assembly assembly = typeof(HeroTaskContentBase).Assembly; // 获取基类所在程序集
                foreach (Type classType in assembly.GetTypes()) 
                {
                    if (classType.IsSubclassOf(typeof(HeroTaskContentBase)) && !classType.IsAbstract) 
                    {
                        var obj = Activator.CreateInstance(classType);
                        var contentBase = obj as HeroTaskContentBase;
                        if (contentBase == null) continue;
                        _contentDict[contentBase.GetContentType()] = classType;
                    }
                }
            }

            if (_contentDict.TryGetValue(contentType, out var contentClass))
            {
                return Activator.CreateInstance(contentClass) as HeroTaskContentBase;
            }

            return null;
        }
        
        public static string GetHeroTaskContentName(HeroTaskContentType contentType)
        {
            if (contentType == HeroTaskContentType.AccumulateDamageTaken)
                return "累计承受伤害";
            if (contentType == HeroTaskContentType.AccumulateDamageDealt)
                return "累计造成伤害";
            if (contentType == HeroTaskContentType.AccumulateDamageTakenAndDealt)
                return "累计承受伤害和造成伤害";
            if (contentType == HeroTaskContentType.AccumulateKills)
                return "累计杀人";
            if (contentType == HeroTaskContentType.AccumulateHealing)
                return "累计产生(自身或他人)治疗";
            if (contentType == HeroTaskContentType.AccumulateRelicsOpened)
                return "累计开启遗迹";
            if (contentType == HeroTaskContentType.AccumulateAreasExplored)
                return "累计探索新地块";
            if (contentType == HeroTaskContentType.AccumulateCitiesCaptured)
                return "累计占领新城市";
            if (contentType == HeroTaskContentType.AddSkillStacks)
                return "单位X 给任何单位增加N次技能A的层数，X的该计数+N";
            if (contentType == HeroTaskContentType.SkillActivation)
                return "单位X 的技能A 生效时(接口，技能自定义)，则该计数变化(技能自定义)";
            if (contentType == HeroTaskContentType.SetSumirekoOccultOrb)
                return "设置灵异珠";
            if (contentType == HeroTaskContentType.AunnPetrifiedDamageTaken)
                return "阿吽石化状态下承受伤害次数";
            if (contentType == HeroTaskContentType.AunnGuardedDamageTaken)
                return "阿吽或其守护的友军累计承受伤害次数";
            return "";
        }

        private static HeroTaskContentBase CreateAliasContent(HeroTaskContentType contentType)
        {
            if (contentType == HeroTaskContentType.AunnPetrifiedDamageTaken ||
                contentType == HeroTaskContentType.AunnGuardedDamageTaken)
                return new HeroTaskContentSkillActivation();
            return null;
        }
    }
}