---@class WB_NextWeapon_C:UUserWidget
---@field Button_ShowOther UButton
---@field Image_NextWeapon UImage
---@field TextBlock_Grade UTextBlock
---@field TextBlock_WeaponName UTextBlock
---@field VerticalBox_OtherWeapon UVerticalBox
---@field WidgetSwitcher_Next UWidgetSwitcher
---@field WidgetSwitcher_ShowOtherText UWidgetSwitcher
---@field WriteTex UTexture2D
--Edit Below--
---@type WB_NextWeapon_C
local WB_NextWeapon = { 
    bInitDoOnce = false; 
    PlayerWeaponGradient = {};
}; 


function WB_NextWeapon:Construct()
    -- self:UpdateInfo()
	UGCEventSystem.AddListener(EventEnum.PlayerGradientGradeChange, self.UpdateInfo, self)
    -- UGCEventSystem.AddListener(EventEnum.PlayerGradientGradeChange, self.UpdateGradeInfo, self)

    WidgetLibrary.BindButtonClicked(self.Button_ShowOther, self.ShowOtherWeaponInfo, self)
end

-- function WB_NextWeapon:Tick(MyGeometry, InDeltaTime)

-- end

-- function WB_NextWeapon:Destruct()

-- end

function WB_NextWeapon:UpdateInfo()
    if not UE.IsValid(UGCGameSystem.GameState) then return end
    local LocalPlayerKey = UGCSystemLibrary.GetLocalPlayerKey()
    local WeaponID = UGCGameSystem.GameState:GetPlayerNextWeaponID(LocalPlayerKey)
    local WeaponGradient = UGCGameSystem.GameState:GetPlayerWeaponGradientByPlayerKey(LocalPlayerKey)
    local Grade = UGCGameSystem.GameState:GetPlayerWeaponGrade(LocalPlayerKey)

    -- 检测梯度是否更新
    self:CheckWeaponGradient(WeaponGradient)

    -- 设置下一个武器信息
    if WeaponID then
        -- 设置武器图片名字等信息
        self.TextBlock_WeaponName:SetVisibility(ESlateVisibility.SelfHitTestInvisible)
        local ItemData = ItemTable.AllItem[WeaponID]
        if ItemData and ItemData.BigPic then
            local Tex = UGCSystemLibrary.LoadAsset(ItemData.BigPic, true)
            self.Image_NextWeapon:SetBrushFromTexture(Tex, false)
            self.TextBlock_WeaponName:SetText(ItemData.Name)
            self.WidgetSwitcher_Next:SetActiveWidgetIndex(0)
        elseif WeaponID < 0 then
            self.TextBlock_WeaponName:SetText("-")
            self.WidgetSwitcher_Next:SetActiveWidgetIndex(2)
        else
            UGCLogSystem.LogError("[WB_NextWeapon_UpdateInfo] ItemData Error %s", tostring(WeaponID))
        end
    else
        self.WidgetSwitcher_Next:SetActiveWidgetIndex(1)
        self.TextBlock_WeaponName:SetVisibility(ESlateVisibility.Hidden)
    end

    -- 设置等级
    if Grade and WeaponGradient then
        self.TextBlock_Grade:SetText(Grade .. " / " .. (#WeaponGradient))
    end

    -- 更新剩余梯度武器的显示
    for i = 1, self.VerticalBox_OtherWeapon:GetChildrenCount() do
        local Item = self.VerticalBox_OtherWeapon:GetChildAt(self.VerticalBox_OtherWeapon:GetChildrenCount() - i)
        if i > #self.PlayerWeaponGradient - 2 or i < Grade then
            Item:SetVis(false)
        else
            Item:SetVis(true)
        end
    end
end

function WB_NextWeapon:CheckWeaponGradient(NewWeaponGradient)
    if type(NewWeaponGradient) ~= "table" then
        return
    end
    local IsNew = false
    if #NewWeaponGradient == self.PlayerWeaponGradient then
        for i, v in pairs(NewWeaponGradient) do
            if self.PlayerWeaponGradient[i] ~= v then
                IsNew = true
                break
            end
        end
    else
        IsNew = true
    end
    if IsNew then
        self.PlayerWeaponGradient = table.DeepCopy(NewWeaponGradient)
        self:CheckOtherWeaponItem()
        for i = 1, self.VerticalBox_OtherWeapon:GetChildrenCount() do
            local Item = self.VerticalBox_OtherWeapon:GetChildAt(self.VerticalBox_OtherWeapon:GetChildrenCount() - i)
            if i > #self.PlayerWeaponGradient - 2 then
                Item:SetVis(false)
            else
                Item:UpdateWeaponID(self.PlayerWeaponGradient[i + 2])
            end
        end
    end
end

function WB_NextWeapon:CheckOtherWeaponItem()
    while self.VerticalBox_OtherWeapon:GetChildrenCount() < (#self.PlayerWeaponGradient - 2) do
        local Item = UserWidget.NewWidgetObjectBP(UGCSystemLibrary.GetLocalPlayerController(), ObjectPathTable.WB_NextWeaponItem_Class)
        self.VerticalBox_OtherWeapon:AddChild(Item)
    end
end

function WB_NextWeapon:ShowOtherWeaponInfo()
    if self.VerticalBox_OtherWeapon:IsVisible() then
        self.WidgetSwitcher_ShowOtherText:SetActiveWidgetIndex(0)
        self.VerticalBox_OtherWeapon:SetVisibility(ESlateVisibility.Collapsed)
    else
        self.WidgetSwitcher_ShowOtherText:SetActiveWidgetIndex(1)
        self.VerticalBox_OtherWeapon:SetVisibility(ESlateVisibility.SelfHitTestInvisible)
    end
end

return WB_NextWeapon;