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

namespace ET
{
    public class AttackComponentAwakeSystem : AwakeSystem<AttackComponent>
    {
        public override void Awake(AttackComponent self)
        {
            self.multipleDamageX10000 = 1;
            self.playAmount = 1;
            self.isFirstAtk = true;
        }
    }
    public class AttackComponentDstroySystem : DestroySystem<AttackComponent>
    {
        public override void Destroy(AttackComponent self)
        {
            self.attacker = null;
        }
    }
    public static class AttackComponentSystem
    {
        public static void Clear(this AttackComponent self)
        {
            self.attacker = null;
            self.attackData = default;
            self.isFirstAtk = false;
        }
        /// <summary>
        /// 《选择目标》                                                            
        /// </summary>
        /// <param name="self"></param>
        /// <returns></returns>
        public static bool StartSpellSkill(this AttackComponent self, SkillLogic skillLogic)
        {
            Unit unit = self.GetParent<Unit>();
            self.isFirstAtk = true;
            TargetableUnitComponent targetCompoennt = self.Parent.GetComponent<TargetableUnitComponent>();
            List<Unit> allList = targetCompoennt.GetAllTarget();

            var config = skillLogic.skillLogicConfig;
            SkillTypes skillTypes = config.skillType;

            skillLogic.HandleEvent(SkillEventCondition.当技能施法前, new SkillSender
            {
                caster = unit,
                skillLogic = skillLogic,
            });
            return skillTypes switch
            {
                SkillTypes.普通 => SpellGeneralSkill(self, unit, skillLogic, allList),
                SkillTypes.被动 => false,
                SkillTypes.引导 => SpellChannelSkill(self, unit, skillLogic, allList),
                SkillTypes.开关 => SpellToggleSkill(self, unit, skillLogic, allList),
                _ => false,
            };
        }

        private static bool SpellGeneralSkill(AttackComponent self, Unit unit, SkillLogic skillLogic, List<Unit> allList)
        {
            int playAmount = skillLogic.GetPlayAmount();
            Log.Info($"{playAmount}");
            for (int i = playAmount - 1; i >= 0; i--)
            {
                SpellSkill(self, unit, skillLogic, allList).Coroutine();
            }
            return true;
        }
        private static bool SpellChannelSkill(AttackComponent self, Unit unit, SkillLogic skillLogic, List<Unit> allList)
        {
            SkillLogicConfig skillConfig = skillLogic.skillLogicConfig;
            int duration = skillConfig.duration;
            int interval = skillConfig.interval;
            SpellChannelSkillAsync(self, unit, skillLogic, duration, interval, allList).Coroutine();
            return true;
        }

        private static async ETVoid SpellChannelSkillAsync(AttackComponent self, Unit unit, SkillLogic skillLogic, int duration, int interval, List<Unit> allList)
        {
            if (AppConfig.inst.showBattleSkillInfo)
                Log.Info($"{unit}释放技能：【{skillLogic.skillLogicConfig.skillName}({skillLogic.skillConfigId})】");
            //!广播释放技能
            foreach (Unit u in allList)
            {
                M2C_PlaySkill m2C_PlayerSkill = new M2C_PlaySkill
                {
                    SkillId = skillLogic.skillId,
                    UnitId = unit.Id,
                };
                MessageHelper.SendActor(u, m2C_PlayerSkill);

            }
            //!动画开始到产生特效的时间
            int delayTime = 1000;
            await TimerComponent.Instance.WaitAsync(delayTime);
            skillLogic.HandleEvent(SkillEventCondition.当技能引导开始, new SkillSender
            {
                caster = unit,
                skillLogic = skillLogic,
            });
            long start = TimeHelper.ClientNow();
            long now = start;
            do
            {
                await TimerComponent.Instance.WaitTillAsync(now + interval);
                now = TimeHelper.ClientNow();
                skillLogic.HandleEvent(SkillEventCondition.当技能引导时, new SkillSender
                {
                    caster = unit,
                    skillLogic = skillLogic
                });
            } while (now + interval <= start + duration);

            skillLogic.HandleEvent(SkillEventCondition.当技能引导完成, new SkillSender
            {
                caster = unit,
                skillLogic = skillLogic,
            });
        }

        private static bool SpellToggleSkill(AttackComponent self, Unit unit, SkillLogic skillLogic, List<Unit> allList)
        {
            return false;
        }

        private static async ETVoid SpellSkill(AttackComponent self, Unit unit, SkillLogic skillLogic, List<Unit> allList)
        {
            if (AppConfig.inst.showBattleSkillInfo)
                Log.Info($"{unit}释放技能：【{skillLogic.skillLogicConfig.skillName}({skillLogic.skillConfigId})】");
            skillLogic.HandleEvent(SkillEventCondition.当技能施法开始, new SkillSender
            {
                caster = unit,
                skillLogic = skillLogic
            });

            //!广播释放技能
            foreach (Unit u in allList)
            {
                M2C_PlaySkill m2C_PlayerSkill = new M2C_PlaySkill
                {
                    SkillId = skillLogic.skillId,
                    UnitId = unit.Id,
                };
                MessageHelper.SendActor(u, m2C_PlayerSkill);

            }
            //!动画开始到产生特效的时间
            int delayTime = 1000;
            await TimerComponent.Instance.WaitAsync(delayTime);
            self.EndSpellSkill(unit, skillLogic);
        }
        public static void EndSpellSkill(this AttackComponent self, Unit unit, SkillLogic skillLogic)
        {
            skillLogic.HandleEvent(SkillEventCondition.当技能施法时, new SkillSender
            {
                caster = unit,
                skillLogic = skillLogic
            });
        }
        /// <summary>
        /// 获取子弹数据，里面包含伤害等
        /// </summary>
        public static BallisticData GetAttackData(this AttackComponent self)
        {
            return self.attackData;
        }
        /// <summary>
        /// 执行伤害
        /// </summary>
        public static void AttackTarget(this AttackComponent self, Unit target, BallisticData data, ISkillSender skillSender, bool applyBallisticData = true)
        {
            Unit unit = self.GetParent<Unit>();
            if (AppConfig.inst.showBattleDamageInfo)
                Log.Debug($"{unit.Id}对{target.Id}，伤害数据2：{data}");
            if (data.value == 0)
            {

            }
            if (applyBallisticData)
                self.attackData = data;

            if (!target || !target.IsAlive)
            {
                // if(AppConfig.inst.isTest)
                // Log.Warning($"目标{target.Id}已经死亡 ");
                return;
            }
            AttackComponent attackComponent = target.GetComponent<AttackComponent>();
            if (attackComponent!=null)
                attackComponent.attacker = unit;
            target.GetComponent<UnitEnermy>().unit = unit;
            target.GetComponent<BattleComponent>().Damage(data, skillSender);
        }
        /// <summary>
        /// 执行治疗
        /// </summary>
        public static void TreatTarget(this AttackComponent self, Unit target, BallisticData ballisticData, ISkillSender skillSender)
        {
            Unit unit = self.GetParent<Unit>();
            if (AppConfig.inst.showBattleDamageInfo)
                Log.Debug($"{self.GetParent<Unit>().Id}对{target.Id}，治疗数据：{ballisticData}");
            AttackComponent attackComponent = target.GetComponent<AttackComponent>();
            attackComponent.attacker = unit;
            target.GetComponent<BattleComponent>().Treat(ballisticData, skillSender);
        }
    }
}