local UIGodBeastBattleOrder = UIViewClass()

function UIGodBeastBattleOrder:OnOpened(context)
    UIUtils.SetActive(self.dragParent.gameObject, false)
    UIUtils.SetLabelText(self.UICommonPopUp.txt_Title, Const_IDS.IDS_BeastRecast_NewHint1)
    self:RefreshGodBeastInfo()
    self:RefreshBeastList()
    self:RegistDragEvent()
end

function UIGodBeastBattleOrder:RefreshGodBeastInfo()
    self.godBeastBattleOrderList = MDL.GodBeast.GetGodBeastBattleOrderList()
    self.slotToIds = {}
    for i, v in ipairs(self.godBeastBattleOrderList) do
        self.slotToIds[i] = v.info
    end
    self.state_GodBeast:SetState(#self.slotToIds - 1)
end

function UIGodBeastBattleOrder:RefreshBeastList()
    for i, v in ipairs(self.slotToIds) do
        UIUtils.SetLabel(self.group_GodBeast[i].txt_Num, i)
        local godBeastIcon = DataSheetManager.GodBeastData:GetDataByID(v.godBeastId).GodBeastIcon
        UIUtils.SetImageByAssetBundle(self.group_GodBeast[i].icon_Head, godBeastIcon)
    end
end

function UIGodBeastBattleOrder:RegistDragEvent()
    self.dropSlots = {}
    for i, v in ipairs(self.group_GodBeast) do
        self:RegistTriggerEvent(v.group, UIEventTriggerType.BeginDrag)
        self:RegistTriggerEvent(v.group, UIEventTriggerType.Drag)
        self:RegistTriggerEvent(v.group, UIEventTriggerType.EndDrag)
        table.insert(self.dropSlots, v.group.gameObject)
    end
    for i, v in ipairs(self.group_GodBeast) do
        self:RegistDropEvent(v.group, self.dropSlots)
    end
end

function UIGodBeastBattleOrder:GetSlotByDropComp(comp)
    for i, v in ipairs(self.group_GodBeast) do
        if comp.gameObject == v.group.gameObject then
            return i
        end
    end
    return 0
end

function UIGodBeastBattleOrder:OnBeginDrag(comp, eventData)
    local slotIndex = self:GetSlotByDropComp(comp)
    if slotIndex == 0 then
        return
    end

    self.draggingIndex = slotIndex
    UIUtils.SetActive(self.dragParent.gameObject, true)
    local data = DataSheetManager.GodBeastData:GetDataByID(self.slotToIds[slotIndex].godBeastId)
    UIUtils.SetImageByAssetBundle(self.img_DragShow, data.GodBeastIcon)
end

function UIGodBeastBattleOrder:OnDrag(comp, eventData)
    UIUtils.ScreenPointToWorldPointInRectangle(self.dragParent.gameObject, eventData)
end

function UIGodBeastBattleOrder:OnEndDrag()
    UIUtils.SetActive(self.dragParent.gameObject, false)
end

function UIGodBeastBattleOrder:OnDrop(comp, eventData)
    if comp ~= nil then
        local slotIndex = self:GetSlotByDropComp(comp)
        if slotIndex ~= 0 then
            -- 上阵位拖到位置
            self:SlotExchange(slotIndex)
        end
    end
end

function UIGodBeastBattleOrder:SlotExchange(slotIndex)
    self.slotToIds[self.draggingIndex], self.slotToIds[slotIndex] = self.slotToIds[slotIndex], self.slotToIds[self.draggingIndex]
    self:RefreshBeastList()
    CTL.Tips.AddTipsMsg(Const_IDS.IDS_BeastRecast_NewHint3)        
end

function UIGodBeastBattleOrder:OnButtonClicked(comp)
    if comp == self.UICommonPopUp.btn_Close then
        self:CloseView()
        local slotList = {}
        for i, v in ipairs(self.slotToIds) do
            table.insert(slotList, v.slotId)
        end
        MDL.GodBeast.GodBeastSetBattleOrderReq(slotList)
    end
end

return UIGodBeastBattleOrder