-- Elo Changer
local w = display.contentWidth
local h = display.contentHeight

local gg = display.newGroup()
local men = display.newGroup()

-- КНОПКА open
local btn = display.newRoundedRect(gg, w - 90, 30, 100, 45, 12)
btn:setFillColor(0.2,0.2,0.25)
btn:setStrokeColor(1,0.5,0,1)
btn.strokeWidth = 2
local btnText = display.newText("open", btn.x, btn.y, native.systemFontBold, 18)
btnText:setFillColor(1,1,1)
gg:insert(btnText)

-- МЕНЮ
local panelW = 520
local panelH = 620
local panel = display.newRoundedRect(men, display.contentCenterX, display.contentCenterY, panelW, panelH, 18)
panel:setFillColor(0,0,0,0.96)
panel:setStrokeColor(1,0.5,0,1)
panel.strokeWidth = 2

local title = display.newText("Elo Changer", panel.x, panel.y - panelH/2 + 35, native.systemFontBold, 24)
title:setFillColor(1,0.5,0)
men:insert(title)

local close = display.newText("×", panel.x + panelW/2 - 35, panel.y - panelH/2 + 35, native.systemFontBold, 32)
close:setFillColor(1,0.4,0.4)
men:insert(close)

local lineTop = display.newLine(panel.x - panelW/2 + 20, panel.y - panelH/2 + 55, panel.x + panelW/2 - 20, panel.y - panelH/2 + 55)
lineTop:setStrokeColor(1,0.5,0,0.5)
lineTop.strokeWidth = 1
men:insert(lineTop)

men.isVisible = false

-- ПЕРЕТАСКИВАНИЕ КНОПКИ
local btnDrag = false
local btnStartX, btnStartY
local function onBtnDrag(e)
    if e.phase == "began" then
        btnDrag = true
        btnStartX = e.x - gg.x
        btnStartY = e.y - gg.y
    elseif e.phase == "moved" and btnDrag then
        gg.x = e.x - btnStartX
        gg.y = e.y - btnStartY
    elseif e.phase == "ended" then
        btnDrag = false
    end
    return true
end
btn:addEventListener("touch", onBtnDrag)
btnText:addEventListener("touch", onBtnDrag)

-- ПЕРЕТАСКИВАНИЕ МЕНЮ
local menuDrag = false
local menuStartX, menuStartY
local function onMenuDrag(e)
    if e.phase == "began" then
        menuDrag = true
        menuStartX = e.x - men.x
        menuStartY = e.y - men.y
    elseif e.phase == "moved" and menuDrag then
        men.x = e.x - menuStartX
        men.y = e.y - menuStartY
    elseif e.phase == "ended" then
        menuDrag = false
    end
    return true
end
panel:addEventListener("touch", onMenuDrag)
title:addEventListener("touch", onMenuDrag)

local function toggleMenu()
    men.isVisible = not men.isVisible
    btnText.text = men.isVisible and "close" or "open"
end
btn:addEventListener("tap", toggleMenu)
btnText:addEventListener("tap", toggleMenu)
close:addEventListener("tap", toggleMenu)

-- ============ ОТОБРАЖЕНИЕ ТЕКУЩЕГО ЭЛО ============
local currentEloLabel = display.newText("Текущий ЭЛО:", panel.x, panel.y - panelH/2 + 100, native.systemFontBold, 20)
currentEloLabel:setFillColor(1,1,1)
men:insert(currentEloLabel)

local currentEloValue = display.newText("0", panel.x, panel.y - panelH/2 + 135, native.systemFontBold, 32)
currentEloValue:setFillColor(0.3,1,0.3)
men:insert(currentEloValue)

-- ============ ПОЛЕ ВВОДА (по центру) ============
local inputBg = display.newRoundedRect(men, panel.x, panel.y - panelH/2 + 190, 280, 50, 8)
inputBg:setFillColor(0.2,0.2,0.25)
inputBg:setStrokeColor(1,0.5,0,1)
inputBg.strokeWidth = 2
men:insert(inputBg)

local inputValue = display.newText("0", inputBg.x, inputBg.y, native.systemFontBold, 28)
inputValue:setFillColor(1,1,1)
men:insert(inputValue)

-- ============ ЦИФРОВАЯ КЛАВИАТУРА (центрированная) ============
local keyW = 70
local keyH = 55
local spacing = 12
local keyboardRows = 4
local keyboardCols = 3

local keyboardWidth = keyboardCols * keyW + (keyboardCols - 1) * spacing
local keyboardHeight = keyboardRows * keyH + (keyboardRows - 1) * spacing

local startXkey = panel.x - keyboardWidth / 2
local startYkey = panel.y + panelH/2 - keyboardHeight - 40

local keys = {
    {"7", 0, 0}, {"8", 1, 0}, {"9", 2, 0},
    {"4", 0, 1}, {"5", 1, 1}, {"6", 2, 1},
    {"1", 0, 2}, {"2", 1, 2}, {"3", 2, 2},
    {"0", 1, 3}, {"⌫", 2, 3}, {"✓", 0, 3}
}

local userNumber = 0

local function updateInputDisplay()
    inputValue.text = tostring(userNumber)
end

for i, key in ipairs(keys) do
    local col = key[2]
    local row = key[3]
    local x = startXkey + col * (keyW + spacing) + keyW/2
    local y = startYkey + row * (keyH + spacing) + keyH/2
    
    local kBtn = display.newRoundedRect(men, x, y, keyW, keyH, 10)
    kBtn:setFillColor(0.3,0.3,0.4)
    kBtn:setStrokeColor(1,0.5,0,1)
    kBtn.strokeWidth = 1
    local kText = display.newText(key[1], x, y, native.systemFontBold, 24)
    kText:setFillColor(1,1,1)
    men:insert(kBtn)
    men:insert(kText)
    
    if key[1] == "⌫" then
        kBtn:addEventListener("tap", function()
            userNumber = math.floor(userNumber / 10)
            updateInputDisplay()
        end)
    elseif key[1] == "✓" then
        kBtn:addEventListener("tap", function()
            if TablaSettings then
                TablaSettings.elo = userNumber
                SalvaPrefs(TablaSettings)
                currentEloValue.text = tostring(userNumber)
                if LeaderboardMgr and LeaderboardMgr.submitElo then
                    LeaderboardMgr.submitElo(userNumber)
                end
                print("[ELO] Установлено: " .. userNumber)
            end
        end)
    else
        local digit = tonumber(key[1])
        kBtn:addEventListener("tap", function()
            userNumber = userNumber * 10 + digit
            if userNumber > 9999999 then userNumber = 9999999 end
            updateInputDisplay()
        end)
    end
end

-- ============ ОБНОВЛЕНИЕ ПРИ ОТКРЫТИИ ============
local function updateEloDisplay()
    if TablaSettings and TablaSettings.elo then
        currentEloValue.text = tostring(TablaSettings.elo)
    else
        currentEloValue.text = "0"
    end
    userNumber = TablaSettings and TablaSettings.elo or 0
    updateInputDisplay()
end

updateEloDisplay()

print("=================================")
print("Elo Changer - ЦЕНТРИРОВАННАЯ КЛАВИАТУРА")
print("Введите число, нажмите ✓")
print("=================================")