local SimpleSkillTask = require("Script.SimpleSkill.Task.SimpleSkillTask")
local SimpleSkillTask_Counter = LuaClass("SimpleSkillTask_Counter", SimpleSkillTask)

SimpleSkillTask_Counter.TriggerRateTable = {10, 12, 15, 20}                     --触发几率
SimpleSkillTask_Counter.AdditionDamageRateTable = {0.05, 0.08, 0.12, 0.18}      --伤害加成百分比

SimpleSkillTask_Counter.CurTriggerRate = 0
SimpleSkillTask_Counter.CurDamageRate = 0.0

function SimpleSkillTask_Counter:ctor(OwnerSkill)
    SimpleSkillTask_Counter.super.ctor(self, OwnerSkill)
end

function SimpleSkillTask_Counter:InitTaskFromData(TaskData, CasterPawn)
    SimpleSkillTask.InitTaskFromData(self, TaskData, CasterPawn)

    self.TaskName = "Counter"
end

function SimpleSkillTask_Counter:UpdateSkillLevel(NewSkillLevel)
    SimpleSkillTask.UpdateSkillLevel(self, NewSkillLevel)

    self.CurTriggerRate = self.TriggerRateTable[self.SkillLevel]
    self.CurDamageRate = self.AdditionDamageRateTable[self.SkillLevel]
end

function SimpleSkillTask_Counter:ActivateTask()
    SimpleSkillTask.ActivateTask(self)

    self.CasterPawn.OnReceiveDamageDelegate:Add(self.OnCasterPawnReceiveDamage, self)
end

function SimpleSkillTask_Counter:DeactivateTask()
    self.CasterPawn.OnReceiveDamageDelegate:Remove(self.OnCasterPawnReceiveDamage, self)
end

function SimpleSkillTask_Counter:OnCasterPawnReceiveDamage(Pawn, DamageAmount, EventInstigator, DamageCauser)
    if Pawn ~= self.CasterPawn then
        UE.Log("[SimpleSkillTask_Counter] invalid Pawn. Pawn.PlayerKey=%d, CasterPawn.PlayerKey=%d", Pawn.PlayerKey, self.CasterPawn.PlayerKey)
        return
    end

    local Rand = math.random(1, 100)
    if Rand > self.CurTriggerRate then
        return
    end

    local DamageAmount = 200 + UGCPawnAttrSystem.GetHealthMax(self.CasterPawn) * self.CurDamageRate
    local EventInstigator = UGCGameSystem.GetPlayerControllerByPlayerKey(self.CasterPawn.PlayerKey)

    local TargetPawns = self:GetTargetPawns()
    for _, MonsterPawn in pairs(TargetPawns) do
        UGCGameSystem.ApplyDamage(MonsterPawn, DamageAmount, EventInstigator, self.CasterPawn, EDamageType.ShootDamage)
    end

    self:EnableSkillEffect(self.CasterPawn, nil)
end

return SimpleSkillTask_Counter;