local Purchase_Controller = {}

function Purchase_Controller.GetCostNums(type, buyCount)
    if type == LuaConst.ActivityType.GuildMine then
        local dataCount = DataSheetManager.MinePlunderCost:GetDataCount()
        local purchaseNums = MDL.GuildMine.GetMinePurchaseNum()
        local maxCost = DataSheetManager.MinePlunderCost:GetDataByID(dataCount)
        local costNum = 0
        for i = purchaseNums + 1, (purchaseNums + buyCount) do
            local cost = i > dataCount and maxCost or DataSheetManager.MinePlunderCost:GetDataByID(i).MinePlunderCostNum
            costNum = cost + costNum
        end
        return costNum
    else
        local payData = DataSheetManager.ActivityData:GetDataByID(type).PayNum
        local purchaseNums = MDL.Purchase.GetPurchaseNumsByType(type)
        local maxCost = payData[#payData]
        local costNum = 0
        for i = purchaseNums + 1, (purchaseNums + buyCount) do
            local cost = i > #payData and maxCost or payData[i]
            costNum = cost + costNum
        end
        return costNum
    end
end

function Purchase_Controller.GetPreviewCostNums(type, buyCount)
    local payData = DataSheetManager.ActivityData:GetDataByID(type).PayNum
    local maxCost = payData[#payData]
    local costNum = 0
    for i = 1, buyCount do
        local cost = i > #payData and maxCost or payData[i]
        costNum = cost + costNum
    end
    return costNum
end

function Purchase_Controller.ClickPurchaseNums(type, buyCount)
    local payItemId
    if type == LuaConst.ActivityType.GuildMine then
        local curPayNum = MDL.GuildMine.GetMinePurchaseNum()
        payItemId = DataSheetManager.MinePlunderCost:GetDataByID(curPayNum > 0 and curPayNum or 1).MinePlunderCostItem
    else
        payItemId = DataSheetManager.ActivityData:GetDataByID(type).PayItem
    end

    local hasNums = MDL.Currency.GetMoneyCount(payItemId)
    local costNums = Purchase_Controller.GetCostNums(type, buyCount)
    local availablePurchaseNums =  MDL.Purchase.GetAvailablePurchaseTimes(type)
    if availablePurchaseNums > 0 then
        if hasNums >= costNums then
            MDL.Purchase.PurchaseNumsReq(type, buyCount)
            return true
        else
            local name = UTL.Item.GetItemDataSpliceByType(payItemId).Name
            CTL.Tips.AddTipsMsg(Const_IDS["IDS_HeroBiography_NoMoney"], name)
        end
    else
        CTL.Tips.AddTipsMsg(Const_IDS["IDS_HeroBiography_NoPayTime"])
    end
    return false
end

return Purchase_Controller