local PLUGIN = PLUGIN

surface.CreateFont("ixAdminShopTitle", { font = "Montserrat", size = 28, weight = 900, antialias = true })
surface.CreateFont("ixAdminShopTab", { font = "Montserrat", size = 18, weight = 700, antialias = true })
surface.CreateFont("ixAdminShopItem", { font = "Montserrat", size = 20, weight = 800, antialias = true })
surface.CreateFont("ixAdminShopDesc", { font = "Montserrat", size = 14, weight = 500, antialias = true })
surface.CreateFont("ixAdminShopPrice", { font = "Montserrat", size = 18, weight = 900, antialias = true })
surface.CreateFont("ixAdminShopSmall", { font = "Montserrat", size = 14, weight = 600, antialias = true })
surface.CreateFont("ixAdminShopBold", { font = "Montserrat", size = 16, weight = 800, antialias = true })
surface.CreateFont("ixAdminShopTableHeader", { font = "Montserrat", size = 15, weight = 800, antialias = true })
surface.CreateFont("ixAdminShopTableCell", { font = "Montserrat", size = 14, weight = 500, antialias = true })

-- Modern Color Palette #00431c
local COLOR_BASE = Color(0, 67, 28)
local COLOR_BG = Color(15, 18, 16, 250)
local COLOR_CARD = Color(22, 26, 24, 255)
local COLOR_CARD_LIGHT = Color(30, 36, 32, 255)
local COLOR_TEXT = Color(240, 245, 240)
local COLOR_TEXT_DIM = Color(140, 150, 145)
local COLOR_ACCENT = Color(0, 140, 60)
local COLOR_DANGER = Color(200, 50, 50)
local COLOR_WARN = Color(200, 150, 0)

function PLUGIN:WrapText(text, width, font)
    surface.SetFont(font)
    local words = string.Explode(" ", text)
    local lines = {}
    local currentLine = ""

    for _, word in ipairs(words) do
        local testLine = currentLine == "" and word or currentLine .. " " .. word
        local w, _ = surface.GetTextSize(testLine)

        if w > width then
            table.insert(lines, currentLine)
            currentLine = word
        else
            currentLine = testLine
        end
    end

    if currentLine ~= "" then
        table.insert(lines, currentLine)
    end

    return lines
end

local PANEL = {}

function PANEL:Init()
    self:SetSize(ScrW() * 0.7, ScrH() * 0.75)
    self:Center()
    self:MakePopup()
    self:SetTitle("")
    self:ShowCloseButton(false)
    self.currentView = "shop"
    
    self:SetAlpha(0)
    self:AlphaTo(255, 0.2, 0)

    self.startTime = SysTime()

    self.Paint = function(s, w, h)
        Derma_DrawBackgroundBlur(s, s.startTime)
        draw.RoundedBox(8, 0, 0, w, h, COLOR_BG)
        surface.SetDrawColor(COLOR_BASE.r, COLOR_BASE.g, COLOR_BASE.b, 150)
        surface.SetMaterial(Material("vgui/gradient-u"))
        surface.DrawTexturedRect(0, 0, w, 80)
        surface.SetDrawColor(COLOR_BASE)
        surface.DrawRect(0, 80, w, 2)

        local title = self.currentView == "shop" and "АДМИН МАГАЗИН" or (self.currentView == "inventory" and "МОЙ ИНВЕНТАРЬ" or "УПРАВЛЕНИЕ АДМИНИСТРАТОРАМИ")
        draw.SimpleText(title, "ixAdminShopTitle", 40, 40, COLOR_TEXT, TEXT_ALIGN_LEFT, TEXT_ALIGN_CENTER)
        
        local points = LocalPlayer():GetAdminPoints()
        draw.SimpleText("Текущий баланс:", "ixAdminShopSmall", w * 0.45, 40, COLOR_TEXT_DIM, TEXT_ALIGN_RIGHT, TEXT_ALIGN_CENTER)
        draw.SimpleText(points .. " Очков", "ixAdminShopItem", w * 0.45 + 10, 40, COLOR_ACCENT, TEXT_ALIGN_LEFT, TEXT_ALIGN_CENTER)
    end

    local closeBtn = self:Add("DButton")
    closeBtn:SetSize(40, 40)
    closeBtn:SetPos(self:GetWide() - 50, 20)
    closeBtn:SetText("✕")
    closeBtn:SetFont("ixAdminShopTitle")
    closeBtn:SetTextColor(COLOR_TEXT_DIM)
    closeBtn.Paint = nil
    closeBtn.DoClick = function() 
        self:AlphaTo(0, 0.2, 0, function() self:Close() end)
    end
    closeBtn.OnCursorEntered = function(s) s:SetTextColor(COLOR_DANGER) end
    closeBtn.OnCursorExited = function(s) s:SetTextColor(COLOR_TEXT_DIM) end

    self.nav = self:Add("Panel")
    self.nav:SetSize(600, 40)
    self.nav:SetPos(self:GetWide() - 670, 20)

    local function CreateNavBtn(text, view, x, activeColor)
        local btn = self.nav:Add("DButton")
        btn:SetSize(140, 40)
        btn:SetPos(x, 0)
        btn:SetText(text)
        btn:SetFont("ixAdminShopBold")
        btn:SetTextColor(COLOR_TEXT)
        btn.Paint = function(s, w, h)
            if self.currentView == view then
                draw.RoundedBox(4, 0, 0, w, h, activeColor)
            elseif s:IsHovered() then
                draw.RoundedBox(4, 0, 0, w, h, Color(255, 255, 255, 10))
            end
        end
        btn.DoClick = function()
            surface.PlaySound("ui/buttonclick.wav")
            self.currentView = view
            self:Refresh()
        end
        return btn
    end

    CreateNavBtn("Магазин", "shop", 0, COLOR_BASE)

    -- Всегда создаем кнопку "Панель", но скрываем для не-superadmin
    local panelBtn = CreateNavBtn("Панель", "panel", 160, Color(120, 0, 180))
    
    local ply = LocalPlayer()
    if IsValid(ply) and (ply:IsSuperAdmin() or ply:GetUserGroup() == "superadmin") then
        panelBtn:SetVisible(true)
    else
        panelBtn:SetVisible(false)
    end

    -- Проверка через 0.5 секунды на случай если данные еще загружаются
    timer.Simple(0.5, function()
        if not IsValid(panelBtn) or not IsValid(self) then return end
        local ply = LocalPlayer()
        if IsValid(ply) and (ply:IsSuperAdmin() or ply:GetUserGroup() == "superadmin") then
            panelBtn:SetVisible(true)
        end
    end)

    self.content = self:Add("DScrollPanel")
    self.content:Dock(FILL)
    self.content:DockMargin(40, 100, 40, 40)

    local sbar = self.content:GetVBar()
    sbar:SetWide(8)
    sbar:SetHideButtons(true)
    sbar.Paint = function(s, w, h)
        draw.RoundedBox(4, 0, 0, w, h, Color(0, 0, 0, 100))
    end
    sbar.btnGrip.Paint = function(s, w, h)
        draw.RoundedBox(4, 2, 0, w-4, h, s:IsHovered() and COLOR_ACCENT or COLOR_BASE)
    end

    self:Refresh()
end

function PANEL:Refresh()
    self.content:Clear()
    
    if self.currentView == "shop" then
        local layout = self.content:Add("DIconLayout")
        layout:Dock(TOP)
        layout:SetSpaceX(20)
        layout:SetSpaceY(20)

        for id, item in pairs(PLUGIN.Items) do
            local card = layout:Add("DPanel")
            card:SetSize(250, 340)
            card.Paint = function(s, w, h)
                draw.RoundedBox(8, 0, 0, w, h, COLOR_CARD)
                surface.SetDrawColor(COLOR_CARD_LIGHT)
                surface.SetMaterial(Material("vgui/gradient-d"))
                surface.DrawTexturedRect(0, 0, w, 140)
                
                draw.SimpleText(item.name, "ixAdminShopItem", w/2, 160, COLOR_TEXT, TEXT_ALIGN_CENTER)
                
                local descLines = PLUGIN:WrapText(item.desc, w - 30, "ixAdminShopDesc")
                for i, line in ipairs(descLines) do
                    if i > 4 then break end
                    draw.SimpleText(line, "ixAdminShopDesc", w/2, 185 + (i-1)*18, COLOR_TEXT_DIM, TEXT_ALIGN_CENTER)
                end
            end

            local icon = card:Add("DPanel")
            icon:SetSize(60, 60)
            icon:SetPos(250/2 - 30, 40)
            icon.Paint = function(s, w, h)
                draw.RoundedBox(8, 0, 0, w, h, COLOR_BG)
                surface.SetDrawColor(item.color or COLOR_ACCENT)
                surface.DrawOutlinedRect(0, 0, w, h, 2)
            end

            local buy = card:Add("DButton")
            buy:SetSize(210, 45)
            buy:SetPos(20, 275)
            buy:SetText("Купить за " .. item.price .. " Очков")
            buy:SetFont("ixAdminShopBold")
            buy:SetTextColor(COLOR_TEXT)
            buy.Paint = function(s, w, h)
                draw.RoundedBox(6, 0, 0, w, h, s:IsHovered() and COLOR_ACCENT or COLOR_BASE)
            end
            buy.DoClick = function()
                surface.PlaySound("ui/buttonclick.wav")
                net.Start("ixAdminShopBuy")
                net.WriteString(id)
                net.SendToServer()
            end
        end
    elseif self.currentView == "panel" then
        -- Запрос данных с сервера
        net.Start("ixAdminShopPanelOpen")
        net.SendToServer()

        -- Заголовок панели
        local headerPanel = self.content:Add("DPanel")
        headerPanel:Dock(TOP)
        headerPanel:SetTall(50)
        headerPanel.Paint = function(s, w, h)
            draw.SimpleText("Управление очками администраторов", "ixAdminShopBold", 10, h/2, COLOR_TEXT, TEXT_ALIGN_LEFT, TEXT_ALIGN_CENTER)
        end

        -- Таблица
        self.panelTable = self.content:Add("DListView")
        self.panelTable:Dock(TOP)
        self.panelTable:SetTall(400)
        self.panelTable:DockMargin(0, 10, 0, 10)
        self.panelTable:SetMultiSelect(false)
        self.panelTable.Paint = function(s, w, h)
            draw.RoundedBox(6, 0, 0, w, h, COLOR_CARD)
        end

        local col1 = self.panelTable:AddColumn("Игрок")
        local col2 = self.panelTable:AddColumn("SteamID")
        local col3 = self.panelTable:AddColumn("Ранг")
        local col4 = self.panelTable:AddColumn("Очки")

        col1:SetWidth(160)
        col2:SetWidth(140)
        col3:SetWidth(100)
        col4:SetWidth(80)

        -- Настройка заголовков таблицы
        for _, col in ipairs(self.panelTable.Columns) do
            col.Header:SetFont("ixAdminShopTableHeader")
            col.Header:SetTextColor(COLOR_TEXT)
            col.Header.Paint = function(s, w, h)
                draw.RoundedBox(0, 0, 0, w, h, COLOR_BASE)
            end
        end

        -- Панель управления
        local controlPanel = self.content:Add("DPanel")
        controlPanel:Dock(TOP)
        controlPanel:SetTall(120)
        controlPanel.Paint = function(s, w, h)
            draw.RoundedBox(6, 0, 0, w, h, COLOR_CARD)
        end

        local selectedSID = nil

        -- Поле ввода количества очков
        local amountEntry = controlPanel:Add("DTextEntry")
        amountEntry:SetSize(200, 40)
        amountEntry:SetPos(10, 10)
        amountEntry:SetPlaceholderText("Количество очков...")
        amountEntry:SetNumeric(true)
        amountEntry:SetFont("ixAdminShopBold")

        -- Кнопка выдачи очков
        local giveBtn = controlPanel:Add("DButton")
        giveBtn:SetSize(180, 40)
        giveBtn:SetPos(220, 10)
        giveBtn:SetText("Выдать очки")
        giveBtn:SetFont("ixAdminShopBold")
        giveBtn:SetTextColor(COLOR_TEXT)
        giveBtn.Paint = function(s, w, h)
            draw.RoundedBox(6, 0, 0, w, h, s:IsHovered() and Color(0, 180, 80) or COLOR_ACCENT)
        end
        giveBtn.DoClick = function()
            if not selectedSID then
                surface.PlaySound("buttons/button10.wav")
                return
            end
            local amount = tonumber(amountEntry:GetValue()) or 0
            if amount < 1 then
                surface.PlaySound("buttons/button10.wav")
                return
            end
            surface.PlaySound("ui/buttonclick.wav")
            net.Start("ixAdminShopPanelGivePoints")
            net.WriteString(selectedSID)
            net.WriteUInt(amount, 32)
            net.SendToServer()
            amountEntry:SetValue("")
        end

        -- Кнопка забирания очков
        local takeBtn = controlPanel:Add("DButton")
        takeBtn:SetSize(180, 40)
        takeBtn:SetPos(410, 10)
        takeBtn:SetText("Забрать очки")
        takeBtn:SetFont("ixAdminShopBold")
        takeBtn:SetTextColor(COLOR_TEXT)
        takeBtn.Paint = function(s, w, h)
            draw.RoundedBox(6, 0, 0, w, h, s:IsHovered() and Color(230, 60, 60) or COLOR_DANGER)
        end
        takeBtn.DoClick = function()
            if not selectedSID then
                surface.PlaySound("buttons/button10.wav")
                return
            end
            local amount = tonumber(amountEntry:GetValue()) or 0
            if amount < 1 then
                surface.PlaySound("buttons/button10.wav")
                return
            end
            surface.PlaySound("ui/buttonclick.wav")
            net.Start("ixAdminShopPanelTakePoints")
            net.WriteString(selectedSID)
            net.WriteUInt(amount, 32)
            net.SendToServer()
            amountEntry:SetValue("")
        end

        -- Информация о выбранном игроке
        local infoLabel = controlPanel:Add("DLabel")
        infoLabel:SetSize(400, 30)
        infoLabel:SetPos(10, 55)
        infoLabel:SetFont("ixAdminShopSmall")
        infoLabel:SetTextColor(COLOR_TEXT_DIM)
        infoLabel:SetText("Выберите игрока из таблицы")

        -- Подсказка
        local hintLabel = controlPanel:Add("DLabel")
        hintLabel:SetSize(500, 25)
        hintLabel:SetPos(10, 85)
        hintLabel:SetFont("ixAdminShopSmall")
        hintLabel:SetTextColor(COLOR_WARN)
        hintLabel:SetText("Вводите только положительные числа. Нажмите строку в таблице для выбора.")

        -- Обработчик выбора строки
        self.panelTable.OnRowSelected = function(tbl, rowIndex, row)
            local data = self.panelPlayers and self.panelPlayers[rowIndex]
            if data then
                selectedSID = data.steamID
                infoLabel:SetText("Выбран: " .. data.name .. " (" .. data.steamID .. ") — Очков: " .. data.points)
            end
        end
    end
end

vgui.Register("ixAdminShop", PANEL, "DFrame")

net.Receive("ixAdminShopPanelData", function()
    local data = net.ReadTable()

    if IsValid(ixAdminShop) and ixAdminShop.panelTable then
        ixAdminShop.panelTable:Clear()
        ixAdminShop.panelPlayers = {}

        for i, plyData in ipairs(data) do
            ixAdminShop.panelTable:AddLine(plyData.name, plyData.steamID, plyData.rank, plyData.points)
            ixAdminShop.panelPlayers[i] = plyData
        end
    end
end)

net.Receive("ixAdminShopOpen", function()
    if (IsValid(ixAdminShop)) then
        ixAdminShop:Close()
    end
    ixAdminShop = vgui.Create("ixAdminShop")
end)