local AttributeLvupShow = {}
AttributeLvupShow.__index = AttributeLvupShow

local ReplicatedStorage = game:GetService("ReplicatedStorage")

local Utils = require(ReplicatedStorage.Tools.Utils)
local Localization = require(ReplicatedStorage.Tools.Localization)
local JsonAttributesUpgrade = require(ReplicatedStorage.Json.AttributesUpgrade)
local JsonAttributes = require(ReplicatedStorage.Json.Attributes)

local RE_UpgradeAttributes = ReplicatedStorage.Events.RE_UpgradeAttributes

local LocalPlayer = game:GetService("Players").LocalPlayer

function AttributeLvupShow:Init(data: table)
    local self = {}
    self.Data = data
    self.Variables = {
        ["_imgIcon"] = 0,
        ["_tmpAttributeName"] = 0,
        ["_tmpValue"] = 0,
        ["_tmpLv"] = 0,
        ["_btnUpgrade"] = 0,
    }
    self.Connections = {}
    setmetatable(self, AttributeLvupShow)
    return self
end

function AttributeLvupShow:GetNowLv()
    local attributeFolder = Utils:GetPlayerDataFolder(LocalPlayer):FindFirstChild("PlayerInfo"):FindFirstChild("AttributesUpgrade")
    local instance = attributeFolder:FindFirstChild(tostring(self.Data.id))
    local nowLv = 0
    if instance then nowLv = instance.Value end
    return nowLv
end

function AttributeLvupShow:Refresh()
    -- 如果有实例,，并且之前有监听，则断开添加监听
    if self.instance then
        if self.folderCon then
            self.folderCon:Disconnect()
            self.folderCon = nil
        end
    end

    if self.instance and not self.instanceCon then
        local instanceCon = self.instance.Changed:Connect(function()
            self:Refresh()
        end)
        self.instanceCon = instanceCon
    end

    local attributeData = Utils:GetIdDataFromJson(JsonAttributes, self.Data.id)
    self.Variables._imgIcon.Image = Localization:GetImageData(attributeData.iconId)
    self.Variables._tmpAttributeName.Text = self.Data.id

    local nowLv = self:GetNowLv()
    self.Variables._tmpLv.Text = "Lv." .. nowLv

    -- 花费按钮显示
    if self.Data.maxLv then
        self.Variables._btnUpgrade.Text = nowLv >= self.Data.maxLv and "满级" or self.Data.cost[2] + self.Data.cost[3] * (self.Data.maxLv - 1)
    
        -- 属性值显示
        local caculateValue = self.Data.lvAdd[1] + self.Data.lvAdd[2] * (self.Data.maxLv - 1)
        self.Variables._tmpValue.Text = string.format("%.2f%%", caculateValue / 100)
    else
        self.Variables._btnUpgrade.Text = self.Data.cost[2] + self.Data.cost[3] * nowLv
        -- 属性值显示（下一级）
        if self.Data.id == 1 or self.Data.id == 2 then
            self.Variables._tmpValue.Text = math.floor(self.Data.lvAdd[1] * ((self.Data.lvAdd[2] / 10000) ^ nowLv))
        else
            self.Variables._tmpValue.Text = self.Data.lvAdd[1] + self.Data.lvAdd[2] * nowLv
        end
    end
end

function AttributeLvupShow:OnInitFinish()
    local con = self.Variables._btnUpgrade.MouseButton1Click:Connect(function()
        if self.Data.maxLv then
            if self:GetNowLv() >= self.Data.maxLv then
                -- TODO: 之后做提示弹窗
            else
                RE_UpgradeAttributes:FireServer(self.Data.id)
            end
        else
            -- TODO: 检查货币是否充足
            RE_UpgradeAttributes:FireServer(self.Data.id)
        end
    end)
    table.insert(self.Connections, con)

    -- 没有实例时，监听文件夹，有实例时，监听实例
    if not self.instance then
        local attributeFolder = Utils:GetPlayerDataFolder(LocalPlayer):FindFirstChild("PlayerInfo"):FindFirstChild("AttributesUpgrade")
        local attributeInst = attributeFolder:FindFirstChild(tostring(self.Data.id))
        if attributeInst then
            self.instance = attributeInst
        else
            local folderCon = attributeFolder.ChildAdded:Connect(function(child)
                if child.Name == tostring(self.Data.id) then
                    self.instance = child
                    self:Refresh()
                end
            end)
            self.folderCon = folderCon
        end
    end
end

function AttributeLvupShow:Destroy()
    if self.instanceCon then
        self.instanceCon:Disconnect()
        self.instanceCon = nil
    end
    if self.folderCon then
        self.folderCon:Disconnect()
        self.folderCon = nil
    end
    for k, v in pairs(self) do
        self[k] = nil
    end
    self = nil
end

return AttributeLvupShow