local UIBattleBossBattleInfoView = require("View/Battle/UIBattleBossBattleInfoView")
local UIDemonGodBossHp = UIViewClass(UIBattleBossBattleInfoView)

local ANIM_DURATION = 0.3  --不是多层血条 或者 多层血条最后一层的运动是时间
local ANIM_DURATION_QUICK = 0.1 -- 多层血条的最初血条运动时间 快速的消失

function UIDemonGodBossHp:OnOpened(context)
    UIUtils.SetActive(self.group_Info, false)
    self.hpValue1.text = "x??"
    self.curBossHpLayer = 10
end

function UIDemonGodBossHp:OnHPChanged(hp, layerHp , entityID, delta)
    if entityID == self.bindingEntityID then
        self:DoAnimation(hp, layerHp, delta)
        if hp <= 0 then
            self:CloseView()
        end
    end
end

--这一段表现参考公会boss的掉血表现，实际hp无变化
function UIDemonGodBossHp:DoAnimation(hp, layerHp, delta)
    if not self.curHp then
        self.curHp = layerHp
        return
    end
    if delta then
        delta = - delta
    else
        delta = 0
    end
    self.isDamage = delta > 0
    if self.curBossHpLayer > 0 then  -- 如果层数大于0
        local nextLayerValue = 0
        if delta - self.curHp > 0 then
            nextLayerValue = math.ceil( (delta - self.curHp) / layerHp)
        end
        if nextLayerValue > 0  then -- 当前伤害掉层数了
            local scaleValue  =  (delta - self.curHp ) % layerHp / layerHp
            self.nextScaleValue = scaleValue --下一次动画 缩放比例
            local targetDestinationPos = self.isDamage and 0 or 1
            --- 因为掉层了  0.1秒把当前层缩放到0  然后在把下一层的动画开启
            local playingID = self.hpAnimWithCallBack[self.curIndex]
            self:FinishUIAnimationByIndex(self.curIndex, false)
            self:FinishUIAnimationByIndex(self.curIndex, true)
            if playingID then
                self:ScaleToSize(playingID, targetDestinationPos, 1, ANIM_DURATION_QUICK)
            else
                playingID = self:ScaleToSize(self.hpGroup[self.curIndex].transform, targetDestinationPos, 1, ANIM_DURATION_QUICK, true)
                self.hpAnimWithCallBack[self.curIndex] = playingID
            end
            self.hpAnimWithCallBackParams[playingID] = scaleValue
            self.curHp = layerHp - (delta - self.curHp)
        else
            local scaleValue  =  (self.curHp  - delta) / layerHp
            self.curHp = self.curHp  - delta
            self:FinishUIAnimationByIndex(self.curIndex, true)
            if self.hpAnimSimple[self.curIndex] then
                self:ScaleToSize(self.hpAnimSimple[self.curIndex], scaleValue, 1, ANIM_DURATION)
            else
                self.hpAnimSimple[self.curIndex] = self:ScaleToSize(self.hpGroup[self.curIndex].transform, scaleValue, 1, ANIM_DURATION, false)
            end
            --将当前掉血的血条放到最上边
            self.hpGroup[self.curIndex].transform:SetAsLastSibling()
        end
    end
end

return UIDemonGodBossHp