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

SimpleSkillTask_ElectricShock.TriggerRateTable = {10, 12, 15, 20}                 --触发几率
SimpleSkillTask_ElectricShock.AdditionDamageRateTable = {2.0, 3.2, 4.8, 7.2}      --伤害加成百分比

SimpleSkillTask_ElectricShock.CurTriggerRate = 0
SimpleSkillTask_ElectricShock.CurDamageRate = 0.0
SimpleSkillTask_ElectricShock.BindWeapon = nil

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

function SimpleSkillTask_ElectricShock:InitTaskFromData(TaskData, CasterPawn)
    SimpleSkillTask.InitTaskFromData(self, TaskData, CasterPawn)
    self.TaskName = "ElectricShock"
end

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

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

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

    local CasterPawnWeapon = self.CasterPawn:GetWeaponComponent()
    if CasterPawnWeapon ~= nil and UE.IsValid(CasterPawnWeapon) then
        self.BindWeapon = CasterPawnWeapon
        self.BindWeapon.OnFireDelegate:Add(self.OnCasterPawnFire, self)
    else
        self.CasterPawn.OnWeaponSpawnedDelegate:Add(self.OnWeaponSpawned, self)
    end
end

function SimpleSkillTask_ElectricShock:DeactivateTask()
    self.CasterPawn.OnWeaponSpawnedDelegate:Remove(self.OnWeaponSpawned, self)

    if self.BindWeapon ~= nil and UE.IsValid(self.BindWeapon) then
        self.BindWeapon.OnFireDelegate:Remove(self.OnCasterPawnFire, self)
        self.BindWeapon = nil
    end
end

function SimpleSkillTask_ElectricShock:OnWeaponSpawned(Pawn)
    if Pawn ~= self.CasterPawn then
        UE.Log("[SimpleSkillTask_ElectricShock] invalid Pawn. Pawn.PlayerKey=%d, CasterPawn.PlayerKey=%d", Pawn.PlayerKey, self.CasterPawn.PlayerKey)
        return
    end

    local CasterPawnWeapon = self.CasterPawn:GetWeaponComponent()
    if CasterPawnWeapon ~= nil and UE.IsValid(CasterPawnWeapon) then
        self.BindWeapon = CasterPawnWeapon
        self.BindWeapon.OnFireDelegate:Add(self.OnCasterPawnFire, self)
    else
        UE.Log("[SimpleSkillTask_ElectricShock] BindWeaponFaied")
    end
end

function SimpleSkillTask_ElectricShock:OnCasterPawnFire(Weapon)
    if self.BindWeapon ~= Weapon then
        UE.Log("[SimpleSkillTask_ElectricShock] invalid Weapon.")
        return
    end

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

    UE.Log("[SimpleSkillTask_ElectricShock] triggered")
    local Base_Attack = UGCGameSystem.GetPlayerStateByPlayerKey(self.CasterPawn.PlayerKey).Attributes[AttributeType.Base].Base_Attack
    local DamageAmount = 200 + Base_Attack * 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, TargetPawns, EEffectSpawnLocationType.Middle)
end

return SimpleSkillTask_ElectricShock;