using Cal;
using Cal.DataTable;
using System;
using System.Collections.Generic;

namespace ET
{
    public class SkillMgrComponentLoadSystem : LoadSystem<SkillMgrComponent>
    {
    	public override void Load(SkillMgrComponent self)
    	{
            foreach (KeyValuePair<int, SkillLogic> kv in self.skillDic)
            {
                try
                {
                    if (!SkillConfigComponent.SkillLogicCollection.skillDic.TryGetValue(kv.Key, out SkillLogicConfig skillLogicConfig))
                    {
                        Log.Error($"skillLogicConfig==null where skillId = {kv.Key}");
                        return;
                    }
                    kv.Value.skillLogicConfig = skillLogicConfig;
                    SkillConfig skillConfig = DataTableHelper.Get<SkillConfig>(kv.Key * 100);
                    if (skillConfig == null)
                    {
                        Log.Error($"skillConfig == null where id = {kv.Key}");
                    }
                    kv.Value.skillConfig = skillConfig;
                }
                catch (Exception e)
                {
                	Log.Error(e);
                }
            }
            Log.Info($"替换技能配置成功");
    	}
    }
    public class SkillMgrComponentDstroySystem : DestroySystem<SkillMgrComponent>
    {
        public override void Destroy(SkillMgrComponent self)
        {
            self.ClearSkill();
        }
    }
    public static class SkillMgrComponentSystem
    {
        public static void AddSkill(this SkillMgrComponent self, Unit unit, UnitSkill unitSkill)
        {
            if (unitSkill == UnitSkill.Null)
            {
                Log.Error($"unitSkill==null where unitId ={unit.Id}");
                return;
            }
            int skillId = (int)unitSkill.Id;
            if (self.skillDic.TryGetValue(skillId, out SkillLogic skillLogic))
            {
                ExecuteEvent(unitSkill, skillLogic, unit);
                return;
            }
            skillLogic = EntityFactory.CreateWithParent<SkillLogic>(unit.DomainScene());
            if (!SkillConfigComponent.SkillLogicCollection.skillDic.TryGetValue(skillId, out SkillLogicConfig skillLogicConfig))
            {
                Log.Error($"skillLogicConfig==null where skillId = {skillId}");
                return;
            }
            skillLogic.skillLogicConfig = skillLogicConfig;
            skillLogic.owner = unit;
            skillLogic.skillLevel = unitSkill.Level;

            SkillConfig skillConfig = DataTableHelper.Get<SkillConfig>(skillId*100);
            if (skillConfig == null)
            {
                Log.Error($"skillConfig == null where id = {skillId}");
            }
            skillLogic.skillConfig = skillConfig;

            if (!self.skillDic.TryAdd(skillId, skillLogic))
            {
                Log.Error($"[上面已经判断了不含有这个键]");
                return;
            }

            //!执行添加技能的事件
            ExecuteEvent(unitSkill, skillLogic, unit);
        }

        private static void ExecuteEvent(UnitSkill unitSkill, SkillLogic skillLogic, Unit unit)
        {
            if (unitSkill.IsPassive)
                skillLogic.HandleEvent(SkillEventCondition.当技能添加, new SkillSender (unit,skillLogic.skillConfigId));
        }

        public static SkillLogic GetSkill(this SkillMgrComponent self, int skillId)
        {
            self.skillDic.TryGetValue(skillId, out SkillLogic skillLogic);
            return skillLogic;
        }
        public static void UpdateSkill(this SkillMgrComponent self, Unit skillFrom, int skillId)
        {
            if (!self.skillDic.TryGetValue(skillId, out SkillLogic skillLogic))
            {
                Log.Error($"skillLogic == null where skillid = {skillId}");
                return;
            }
            //!升级
            skillLogic.UpdateLevel();

            Unit unit = self.GetParent<Unit>();
            //!执行添加技能的事件
            skillLogic.HandleEvent(SkillEventCondition.当技能升级, new SkillSender (skillFrom,skillLogic.skillConfigId));
        }
        public static void RemoveSkill(this SkillMgrComponent self, Unit skillFrom, int skillId)
        {
            if (!self.skillDic.TryGetValue(skillId, out SkillLogic skillLogic))
            {
                Log.Error($"skillLogic == null where skillid = {skillId}");
                return;
            }
            skillLogic.Dispose();
            self.skillDic.Remove(skillId);

            Unit unit = self.GetParent<Unit>();
            //!执行添加技能的事件
            skillLogic.HandleEvent(SkillEventCondition.当技能移除, new SkillSender(skillFrom,skillLogic.skillConfigId));
        }
        public static void ClearSkill(this SkillMgrComponent self)
        {
            foreach (var keyValuePair in self.skillDic)
            {
                keyValuePair.Value.Dispose();
            }

            self.skillDic.Clear();
        }
    }
}