local sX, sY = guiGetScreenSize()
--{"element neve", x, y}
local changeSizeUse = false
local dxFont = dxCreateFont("font.ttf",17)

_getCursorPosition = getCursorPosition
function getCursorPosition()
    cX, cY = _getCursorPosition()
    cX, cY = cX*sX, cY*sY
    return cX, cY
end

function dobozbaVan(cx, cy, x, y, w, h)
    if cx > x and cx < x+w and cy > y and cy < y+h then
        return true
    else
        return false
    end
end

local counter = 0
local starttick
local currenttick

local showfps = false

function math.round(number, decimals, method)
    decimals = decimals or 0
    local factor = 10 ^ decimals
    if (method == "ceil" or method == "floor") then return math[method](number * factor) / factor
    else return tonumber(("%."..decimals.."f"):format(number)) end
end


addEventHandler ("onClientRender",root,
    function()
        if not starttick then
            starttick = getTickCount ()
        end
        counter = counter + 1
        currenttick = getTickCount ()
        if currenttick - starttick >= 1000 then
            setElementData (localPlayer, "FPS", counter)
            counter = 0
            starttick = false
        end
    end
)

fpstable = {}
function averageFPS()
    avgseconds = 10
    for i = 0, avgseconds do
        if i+1 <= avgseconds then
            fpstable[i+1] = fpstable[i]
        end
        fpstable[0] = getElementData (localPlayer, "FPS")
    end
    totalframes = 0
    for k, v in pairs(fpstable) do
        if v ~= false then
            totalframes = totalframes + v
        end
    end
    avgfps = math.round(totalframes / avgseconds, 0)
    setElementData (localPlayer, "avgfps", avgfps)
end

setTimer (averageFPS, 1000, 0)

local stat = dxGetStatus ( )
local szoveg = "#00A1FFVideókártya: #ffffff" .. stat["VideoCardName"] .."\n#00A1FFRam: #ffffff".. stat["VideoMemoryFreeForMTA"].."/".. stat["VideoCardRAM"]
local szovegs = stat["VideoCardName"] .."\nVRAM ".. stat["VideoMemoryFreeForMTA"].."/".. stat["VideoCardRAM"]
local hudElements = {{"showFPS", 10, 180, 310, 100}}
addEventHandler("onClientRender", getRootElement(), function()
    if showfps then
    for i, k in ipairs(hudElements) do
        local x, y, w, h, m, r, ru = getElementData(localPlayer, k[1] .. "X") or k[2], getElementData(localPlayer, k[1] .. "Y") or k[3], getElementData(localPlayer, k[1] .. "W") or k[4], getElementData(localPlayer, k[1] .. "H") or k[5], getElementData(localPlayer,k[1] .. "Moving") or false, getElementData(localPlayer, k[1] .. "Resize") or false, getElementData(localPlayer, k[1] .. "ResizeUse") or false
        setElementData(localPlayer, k[1] .. "H", nil)]]
        if k[1] == "showFPS" then
getElementData(localPlayer,"FPS"),x,y,w,h,tocolor(0,0,0,255),1,dxFont,"left","top",true,true,true,true,true)
            local fps = getElementData(localPlayer,"FPS")
            if fps <= 100 then
                fpscolor = "#ffffff"
            elseif fps < 100 and fps <= 30 then
                fpscolor = "#FFA700"
            elseif fps < 30 then
                fpscolor = "#D75656"
            end

            dxDrawText(szoveg .. fpscolor .." \n#00A1FFFPS: #FFFFFF" .. getElementData(localPlayer,"FPS"),x+1,y+1,w,h,tocolor(0,0,0,255),0.62,dxFont,"left","top",true,true,true,true,true)
            if m then
                local cX, cY = getCursorPosition()

                setElementData(localPlayer, k[1] .. "X", cX-defX)
                setElementData(localPlayer, k[1] .. "Y", cY-defY)
            end
        else
            if m then
                local cX, cY = getCursorPosition()
                setElementData(localPlayer, k[1] .. "X", cX-defX)
                setElementData(localPlayer, k[1] .. "Y", cY-defY)
            end
        end
    end
    end
end)

addEventHandler("onClientClick", getRootElement(), function(button, state, aX, aY, wX, wY, wZ, element)
    if showfps then
    if button == "left" then
        if state == "down" then
            for i, k in ipairs(hudElements) do
                local x, y, w, h, r = getElementData(localPlayer, k[1] .. "X") or k[2], getElementData(localPlayer, k[1] .. "Y") or k[3], getElementData(localPlayer, k[1] .. "W") or k[4], getElementData(localPlayer, k[1] .. "H") or k[5], getElementData(localPlayer, k[1] .. "Resize") or false
                local cX, cY = getCursorPosition()
                if dobozbaVan(cX, cY, x, y, w, h) then
                    setElementData(localPlayer, k[1] .. "Moving", true)
                    defX, defY = cX-x, cY-y
                end
            end
        elseif state == "up" then
            for i, k in ipairs(hudElements) do
                local m, r = getElementData(localPlayer,k[1] .. "Moving") or false, getElementData(localPlayer, k[1] .. "Resize") or false
                if m then
                    setElementData(localPlayer, k[1].. "Moving", false)
                end
            end
        end
    end
    end
end)

function showFPSed()
    if not showfps then
        showfps = true
    else
        showfps = false
    end
end
addCommandHandler("showfps",showFPSed)

addEventHandler("onClientResourceStart", resourceRoot, function()
    local asd = jsonGET("fps_pos",false)
    if asd[1] and asd[2] and asd[3] then
        for v,k in ipairs(hudElements) do
            if k[1] == "showFPS" then
                defX = tonumber(asd[1])
                defY = tonumber(asd[2])
                setElementData(localPlayer,k[1].. "X",defX)
                setElementData(localPlayer,k[1].. "Y",defY)
                setElementData(localPlayer,k[1].. "Moving",false)
            --  showfps = asd[3]
            end
        end
    end
end)

function saveInventoryPosition()
    for v,k in ipairs(hudElements) do
        if k[1] == "showFPS" then
            local x,y = getElementData(localPlayer, k[1] .. "X"), getElementData(localPlayer, k[1] .. "Y")
            jsonSAVE("fps_pos", {x, y}, false)
        end
    end
end

setTimer(function()
saveInventoryPosition()
end,1000,0)