-- Клиентские данные
local PLUGIN = PLUGIN
PLUGIN.promoCodesList = PLUGIN.promoCodesList or {}

-- Получение результата активации
net.Receive("ixPromoCodeResult", function()
    local success = net.ReadBool()
    local message = net.ReadString()
    
    if success then
        notification.AddLegacy(message, NOTIFY_GENERIC, 5)
        surface.PlaySound("buttons/button15.wav")
    else
        notification.AddLegacy(message, NOTIFY_ERROR, 5)
        surface.PlaySound("buttons/button10.wav")
    end
    
    LocalPlayer():Notify(message)
end)

-- Получение списка промокодов (для админов)
net.Receive("ixPromoCodeSync", function()
    local jsonData = net.ReadString()
    PLUGIN.promoCodesList = util.JSONToTable(jsonData) or {}
end)

-- Функция активации промокода
function PLUGIN:ActivatePromoCode(code)
    net.Start("ixPromoCodeActivate")
        net.WriteString(code)
    net.SendToServer()
end

-- Админ-панель управления промокодами
function PLUGIN:OpenPromoCodesAdmin()
    if not LocalPlayer():IsSuperAdmin() then
        LocalPlayer():Notify("У вас нет доступа к этой панели")
        return
    end
    
    -- Запрашиваем список промокодов
    net.Start("ixPromoCodeList")
    net.SendToServer()
    
    local frame = vgui.Create("DFrame")
    frame:SetSize(1200, 700)
    frame:Center()
    frame:SetTitle("")
    frame:SetDraggable(true)
    frame:ShowCloseButton(false)
    frame:MakePopup()
    frame.Paint = function(s, w, h)
        draw.RoundedBox(8, 0, 0, w, h, Color(18, 18, 20))
        surface.SetDrawColor(1, 67, 29)
        surface.DrawRect(0, 0, w, 3)
        draw.SimpleText("УПРАВЛЕНИЕ ПРОМОКОДАМИ", "F4Menu_DonateHero", w/2, 30, Color(1, 67, 29), TEXT_ALIGN_CENTER, TEXT_ALIGN_CENTER)
    end
    
    local closeBtn = vgui.Create("DButton", frame)
    closeBtn:SetPos(frame:GetWide() - 35, 5)
    closeBtn:SetSize(30, 30)
    closeBtn:SetText("✕")
    closeBtn:SetFont("F4Menu_Category")
    closeBtn:SetTextColor(Color(255, 255, 255))
    closeBtn.Paint = function(s, w, h)
        draw.RoundedBox(4, 0, 0, w, h, s:IsHovered() and Color(200, 50, 50) or Color(0, 0, 0, 0))
    end
    closeBtn.DoClick = function()
        frame:Close()
    end
    
    -- Панель создания промокода
    local createPanel = vgui.Create("DPanel", frame)
    createPanel:SetPos(20, 70)
    createPanel:SetSize(550, 600)
    createPanel.Paint = function(s, w, h)
        draw.RoundedBox(8, 0, 0, w, h, Color(25, 25, 28))
        draw.SimpleText("СОЗДАТЬ ПРОМОКОД", "F4Menu_Category", w/2, 20, Color(200, 200, 200), TEXT_ALIGN_CENTER, TEXT_ALIGN_CENTER)
    end
    
    local yPos = 60
    
    -- Переменные для доступа в обработчиках
    local codeEntry
    local isCustomCode = false
    
    -- Тип промокода
    local typeLabel = vgui.Create("DLabel", createPanel)
    typeLabel:SetPos(20, yPos)
    typeLabel:SetSize(200, 25)
    typeLabel:SetFont("F4Menu_Item")
    typeLabel:SetTextColor(Color(200, 200, 200))
    typeLabel:SetText("Тип промокода:")
    
    local typeSelector = vgui.Create("DPanel", createPanel)
    typeSelector:SetPos(20, yPos + 30)
    typeSelector:SetSize(510, 40)
    typeSelector.Paint = function(s, w, h)
        draw.RoundedBox(6, 0, 0, w, h, Color(35, 35, 38))
    end
    
    local randomBtn = vgui.Create("DButton", typeSelector)
    randomBtn:SetPos(5, 5)
    randomBtn:SetSize(250, 30)
    randomBtn:SetText("")
    randomBtn.Paint = function(s, w, h)
        local active = not isCustomCode
        draw.RoundedBox(6, 0, 0, w, h, active and Color(1, 67, 29) or Color(45, 45, 48))
        draw.SimpleText("Случайный код", "F4Menu_Item", w/2, h/2, Color(255, 255, 255), TEXT_ALIGN_CENTER, TEXT_ALIGN_CENTER)
    end
    randomBtn.DoClick = function()
        isCustomCode = false
        codeEntry:SetEnabled(false)
        codeEntry:SetValue("")
        codeEntry:SetPlaceholderText("Будет сгенерирован автоматически")
    end
    
    local customBtn = vgui.Create("DButton", typeSelector)
    customBtn:SetPos(255, 5)
    customBtn:SetSize(250, 30)
    customBtn:SetText("")
    customBtn.Paint = function(s, w, h)
        local active = isCustomCode
        draw.RoundedBox(6, 0, 0, w, h, active and Color(1, 67, 29) or Color(45, 45, 48))
        draw.SimpleText("Именной код", "F4Menu_Item", w/2, h/2, Color(255, 255, 255), TEXT_ALIGN_CENTER, TEXT_ALIGN_CENTER)
    end
    customBtn.DoClick = function()
        isCustomCode = true
        codeEntry:SetEnabled(true)
        codeEntry:SetValue("")
        codeEntry:SetPlaceholderText("NEW_YEAR2026")
    end
    
    yPos = yPos + 85
    
    -- Код промокода
    local codeLabel = vgui.Create("DLabel", createPanel)
    codeLabel:SetPos(20, yPos)
    codeLabel:SetSize(400, 25)
    codeLabel:SetFont("F4Menu_Item")
    codeLabel:SetTextColor(Color(200, 200, 200))
    codeLabel:SetText("Код промокода:")
    
    local examplesLabel = vgui.Create("DLabel", createPanel)
    examplesLabel:SetPos(20, yPos + 20)
    examplesLabel:SetSize(510, 15)
    examplesLabel:SetFont("F4Menu_InfoSmall")
    examplesLabel:SetTextColor(Color(120, 120, 120))
    examplesLabel:SetText("Примеры: NEW_YEAR2026, SUMMER_SALE, WELCOME100, STREAMER_GIFT")
    
    codeEntry = vgui.Create("DTextEntry", createPanel)
    codeEntry:SetPos(20, yPos + 40)
    codeEntry:SetSize(510, 35)
    codeEntry:SetFont("F4Menu_Item")
    codeEntry:SetPlaceholderText("Будет сгенерирован автоматически")
    codeEntry:SetEnabled(false)
    codeEntry:SetUpdateOnType(true)
    codeEntry.Paint = function(s, w, h)
        local bgColor = s:IsEnabled() and Color(35, 35, 38) or Color(25, 25, 28)
        draw.RoundedBox(6, 0, 0, w, h, bgColor)
        s:DrawTextEntryText(Color(255, 255, 255), Color(100, 150, 255), Color(255, 255, 255))
        
        -- Валидация в реальном времени
        if s:IsEnabled() and s:GetValue() ~= "" then
            local value = s:GetValue()
            local isValid = string.match(value, "^[A-Z0-9_]+$") ~= nil
            
            if not isValid then
                draw.RoundedBox(6, 0, 0, w, h, Color(80, 20, 20, 50))
                draw.SimpleText("Только A-Z, 0-9 и _", "F4Menu_InfoSmall", w - 10, h/2, Color(255, 100, 100), TEXT_ALIGN_RIGHT, TEXT_ALIGN_CENTER)
            end
        end
    end
    codeEntry.OnTextChanged = function(s)
        -- Автоматическое приведение к верхнему регистру
        local text = s:GetValue()
        local upperText = string.upper(text)
        if text ~= upperText then
            s:SetValue(upperText)
            s:SetCaretPos(#upperText)
        end
    end
    
    yPos = yPos + 80
    
    -- Количество IGS
    local amountLabel = vgui.Create("DLabel", createPanel)
    amountLabel:SetPos(20, yPos)
    amountLabel:SetSize(200, 25)
    amountLabel:SetFont("F4Menu_Item")
    amountLabel:SetTextColor(Color(200, 200, 200))
    amountLabel:SetText("Количество IGS:")
    
    local amountEntry = vgui.Create("DTextEntry", createPanel)
    amountEntry:SetPos(20, yPos + 30)
    amountEntry:SetSize(510, 35)
    amountEntry:SetFont("F4Menu_Item")
    amountEntry:SetPlaceholderText("100")
    amountEntry:SetNumeric(true)
    amountEntry.Paint = function(s, w, h)
        draw.RoundedBox(6, 0, 0, w, h, Color(35, 35, 38))
        s:DrawTextEntryText(Color(255, 255, 255), Color(100, 150, 255), Color(255, 255, 255))
    end
    
    yPos = yPos + 80
    
    -- Максимум использований
    local usesLabel = vgui.Create("DLabel", createPanel)
    usesLabel:SetPos(20, yPos)
    usesLabel:SetSize(200, 25)
    usesLabel:SetFont("F4Menu_Item")
    usesLabel:SetTextColor(Color(200, 200, 200))
    usesLabel:SetText("Максимум использований:")
    
    local usesEntry = vgui.Create("DTextEntry", createPanel)
    usesEntry:SetPos(20, yPos + 30)
    usesEntry:SetSize(510, 35)
    usesEntry:SetFont("F4Menu_Item")
    usesEntry:SetPlaceholderText("1")
    usesEntry:SetNumeric(true)
    usesEntry.Paint = function(s, w, h)
        draw.RoundedBox(6, 0, 0, w, h, Color(35, 35, 38))
        s:DrawTextEntryText(Color(255, 255, 255), Color(100, 150, 255), Color(255, 255, 255))
    end
    
    yPos = yPos + 80
    
    -- Срок действия (дни)
    local daysLabel = vgui.Create("DLabel", createPanel)
    daysLabel:SetPos(20, yPos)
    daysLabel:SetSize(200, 25)
    daysLabel:SetFont("F4Menu_Item")
    daysLabel:SetTextColor(Color(200, 200, 200))
    daysLabel:SetText("Срок действия (дней):")
    
    local daysEntry = vgui.Create("DTextEntry", createPanel)
    daysEntry:SetPos(20, yPos + 30)
    daysEntry:SetSize(510, 35)
    daysEntry:SetFont("F4Menu_Item")
    daysEntry:SetPlaceholderText("30")
    daysEntry:SetNumeric(true)
    daysEntry.Paint = function(s, w, h)
        draw.RoundedBox(6, 0, 0, w, h, Color(35, 35, 38))
        s:DrawTextEntryText(Color(255, 255, 255), Color(100, 150, 255), Color(255, 255, 255))
    end
    
    yPos = yPos + 80
    
    -- Доступные ранги
    local ranksLabel = vgui.Create("DLabel", createPanel)
    ranksLabel:SetPos(20, yPos)
    ranksLabel:SetSize(300, 25)
    ranksLabel:SetFont("F4Menu_Item")
    ranksLabel:SetTextColor(Color(200, 200, 200))
    ranksLabel:SetText("Доступно для рангов (пусто = всем):")
    
    local ranksEntry = vgui.Create("DTextEntry", createPanel)
    ranksEntry:SetPos(20, yPos + 30)
    ranksEntry:SetSize(510, 35)
    ranksEntry:SetFont("F4Menu_Item")
    ranksEntry:SetPlaceholderText("user, vip, moderator (через запятую)")
    ranksEntry.Paint = function(s, w, h)
        draw.RoundedBox(6, 0, 0, w, h, Color(35, 35, 38))
        s:DrawTextEntryText(Color(255, 255, 255), Color(100, 150, 255), Color(255, 255, 255))
    end
    
    yPos = yPos + 80
    
    -- Кнопка создания
    local createBtn = vgui.Create("DButton", createPanel)
    createBtn:SetPos(20, yPos)
    createBtn:SetSize(510, 45)
    createBtn:SetText("")
    createBtn.Paint = function(s, w, h)
        draw.RoundedBox(8, 0, 0, w, h, s:IsHovered() and Color(1, 87, 39) or Color(1, 67, 29))
        draw.SimpleText("СОЗДАТЬ ПРОМОКОД", "F4Menu_Category", w/2, h/2, Color(255, 255, 255), TEXT_ALIGN_CENTER, TEXT_ALIGN_CENTER)
    end
    createBtn.DoClick = function()
        local code = codeEntry:GetValue()
        local amount = tonumber(amountEntry:GetValue()) or 100
        local maxUses = tonumber(usesEntry:GetValue()) or 1
        local days = tonumber(daysEntry:GetValue()) or 30
        local expiresAt = os.time() + (days * 86400)
        
        local ranksText = ranksEntry:GetValue()
        local allowedRanks = {}
        if ranksText ~= "" then
            for rank in string.gmatch(ranksText, "([^,]+)") do
                table.insert(allowedRanks, string.Trim(rank))
            end
        end
        
        net.Start("ixPromoCodeCreate")
            net.WriteString(code)
            net.WriteUInt(amount, 32)
            net.WriteUInt(maxUses, 16)
            net.WriteUInt(expiresAt, 32)
            net.WriteUInt(#allowedRanks, 8)
            for _, rank in ipairs(allowedRanks) do
                net.WriteString(rank)
            end
        net.SendToServer()
        
        -- Очистка полей
        codeEntry:SetValue("")
        amountEntry:SetValue("")
        usesEntry:SetValue("")
        daysEntry:SetValue("")
        ranksEntry:SetValue("")
    end
    
    -- Список промокодов
    local listPanel = vgui.Create("DPanel", frame)
    listPanel:SetPos(590, 70)
    listPanel:SetSize(590, 600)
    listPanel.Paint = function(s, w, h)
        draw.RoundedBox(8, 0, 0, w, h, Color(25, 25, 28))
        draw.SimpleText("АКТИВНЫЕ ПРОМОКОДЫ", "F4Menu_Category", w/2, 20, Color(200, 200, 200), TEXT_ALIGN_CENTER, TEXT_ALIGN_CENTER)
    end
    
    local listScroll = vgui.Create("DScrollPanel", listPanel)
    listScroll:SetPos(10, 50)
    listScroll:SetSize(570, 540)
    
    local vbar = listScroll:GetVBar()
    vbar:SetWide(8)
    function vbar:Paint(w, h)
        draw.RoundedBox(4, 0, 0, w, h, Color(15, 15, 17))
    end
    function vbar.btnUp:Paint(w, h) end
    function vbar.btnDown:Paint(w, h) end
    function vbar.btnGrip:Paint(w, h)
        draw.RoundedBox(4, 0, 0, w, h, Color(1, 67, 29))
    end
    
    local function RefreshList()
        listScroll:Clear()
        
        for _, promo in ipairs(self.promoCodesList) do
            local promoPanel = vgui.Create("DPanel", listScroll)
            promoPanel:Dock(TOP)
            promoPanel:DockMargin(5, 5, 5, 0)
            promoPanel:SetTall(100)
            promoPanel.Paint = function(s, w, h)
                draw.RoundedBox(6, 0, 0, w, h, Color(35, 35, 38))
                
                -- Код
                draw.SimpleText(promo.code, "F4Menu_Category", 15, 15, Color(100, 150, 255), TEXT_ALIGN_LEFT)
                
                -- Информация
                local info = string.format("IGS: %d | Использований: %d/%d", promo.amount, promo.currentUses, promo.maxUses)
                draw.SimpleText(info, "F4Menu_Item", 15, 40, Color(200, 200, 200), TEXT_ALIGN_LEFT)
                
                -- Срок действия
                local expiresDate = os.date("%d.%m.%Y %H:%M", promo.expiresAt)
                local expired = os.time() > promo.expiresAt
                draw.SimpleText("До: " .. expiresDate, "F4Menu_InfoSmall", 15, 65, expired and Color(255, 100, 100) or Color(150, 150, 150), TEXT_ALIGN_LEFT)
                
                -- Ранги
                if promo.allowedRanks and #promo.allowedRanks > 0 then
                    local ranksText = "Ранги: " .. table.concat(promo.allowedRanks, ", ")
                    draw.SimpleText(ranksText, "F4Menu_InfoSmall", 15, 80, Color(150, 150, 150), TEXT_ALIGN_LEFT)
                end
            end
            
            -- Кнопка удаления
            local deleteBtn = vgui.Create("DButton", promoPanel)
            deleteBtn:SetPos(promoPanel:GetWide() + 385, 30)
            deleteBtn:SetSize(100, 40)
            deleteBtn:SetText("")
            deleteBtn.Paint = function(s, w, h)
                draw.RoundedBox(6, 0, 0, w, h, s:IsHovered() and Color(200, 50, 50) or Color(150, 40, 40))
                draw.SimpleText("Удалить", "F4Menu_Item", w/2, h/2, Color(255, 255, 255), TEXT_ALIGN_CENTER, TEXT_ALIGN_CENTER)
            end
            deleteBtn.DoClick = function()
                Derma_Query(
                    "Удалить промокод '" .. promo.code .. "'?",
                    "Подтверждение",
                    "Да",
                    function()
                        net.Start("ixPromoCodeDelete")
                            net.WriteString(promo.code)
                        net.SendToServer()
                        
                        timer.Simple(0.5, RefreshList)
                    end,
                    "Нет"
                )
            end
        end
    end
    
    -- Обновляем список каждую секунду
    timer.Create("PromoCodesRefresh", 1, 0, function()
        if not IsValid(frame) then
            timer.Remove("PromoCodesRefresh")
            return
        end
        RefreshList()
    end)
    
    RefreshList()
end

-- Команда для открытия админ-панели
concommand.Add("promocodes_admin", function()
    local plugin = ix.plugin.Get("promocodes")
    if plugin then
        plugin:OpenPromoCodesAdmin()
    end
end)