--- 为技能统计额外的CD . 
--- 策划目前的需求是这个额外CD ，但是不需要收到 "百分比减少单位所有技能的CD" 的影响 。如以后需要，可做个新的Decorator
local Base = require("Battle/Logic/Entity/SkillDecorator/SkillDecorator")
local SkillDecoratorExtraCD = class("SkillDecoratorExtraCD", Base)

local EventSystem = require 'Event/EventSystem'
local FP_Greater = FP.Greater
local FP_LessEquals = FP.LessEquals

-- 注意：这个 skillID 必须是belongTo技能id
function SkillDecoratorExtraCD:initialize(entity, skillID, maxExtraCD)
    Base.initialize(self, entity, skillID)
    self.type = LuaConst.SkillDecoratorType.ExtraCD
    self.UIType = LuaConst.UISkillBtnResetType.EnterExtraCD
    if maxExtraCD == nil then
        logging.error(LTAG.ERROR, "【gws】 ： 策划检查下，添加技能功能：记录CD倒计时， 参数没填写！")
    end
    self.maxExtraCD = FP.newV1(0):Reset(maxExtraCD) -- 单位：毫秒
    self.curCD = FP.newV1(0)  -- 单位：毫秒
end

-- ui上面渲染的方法
function SkillDecoratorExtraCD:OnUIBtn()
    EventSystem.Dispatch(EventID.UI_BattleAttack_ResetBtn, self.entity, self.skillID, self.UIType, self.curCD, self.maxExtraCD)
end

function SkillDecoratorExtraCD:OnAttackEnter()
    Base.OnAttackEnter(self)
    self.curCD:Reset(self.maxExtraCD)
    EventSystem.Dispatch(EventID.UI_BattleAttack_ResetBtn, self.entity, self.skillID, self.UIType, self.curCD, self.maxExtraCD)
end

function SkillDecoratorExtraCD:OnLogicUpdate()
    if not self.enable then
        return
    end
    if FP_Greater(self.curCD,0) then
        self.curCD:Sub(LuaConst.TimeSpanMs)
        if FP_LessEquals(self.curCD,0) then
            EventSystem.Dispatch(EventID.UI_BattleAttack_ResetBtn, self.entity, self.skillID, self.UIType, self.curCD, self.maxExtraCD)
        end
    end
end

function SkillDecoratorExtraCD:CanUseSkill()
    if FP_Greater(self.curCD,0) then
        return false
    end
    return true
end

function SkillDecoratorExtraCD.StringParamToFormat(str)
    local strArr = string.split(str,",")
    local skillID, maxExtraCD = strArr[1], strArr[2]
    skillID = tonumber(skillID)
    maxExtraCD = tonumber(maxExtraCD)
    return skillID, maxExtraCD
end

return SkillDecoratorExtraCD