local ScreenW, ScreenH = guiGetScreenSize()

setTimer(function()
    ProcessMemory = getProcessMemoryStats() -- update process memory stats in every second to get the latest memory usage=
    ProcessMemory.streamingUsed = engineStreamingGetUsedMemory()
    ProcessMemory.streamingMax = engineStreamingGetMemorySize()

    DxStatus = dxGetStatus()
end, 1000, 0)

addEventHandler('onClientRender', root, function()
    -- draw process memory stats on the screen
    if not ProcessMemory then return end

    local FontHeight = dxGetFontHeight(1.5, 'default-bold')

    local FormatString = 'Virtual: %s/%s MB | Resident: %s/%s MB | Private: %s/%s MB | Shared: %s MB | Streaming %s/%s MB\nTextures %s MB | RenderTargets %s MB | Fonts %s MB | Total Video %s/%s MB'
    local StringToDraw = string.format(
        FormatString,
        math.floor(ProcessMemory.virtual / 1024 / 1024),
        (4 * 1024),
        math.floor(ProcessMemory.resident / 1024 / 1024),
        (3.5 * 1024),
        math.floor(ProcessMemory.private / 1024 / 1024),
        (3.5 * 1024),
        math.floor(ProcessMemory.shared / 1024 / 1024),
        math.floor(ProcessMemory.streamingUsed / 1024 / 1024),
        math.floor(ProcessMemory.streamingMax / 1024 / 1024),
        DxStatus.VideoMemoryUsedByTextures,
        DxStatus.VideoMemoryUsedByRenderTargets,
        DxStatus.VideoMemoryUsedByFonts,
        math.floor(DxStatus.VideoMemoryUsedByTextures + DxStatus.VideoMemoryUsedByRenderTargets + DxStatus.VideoMemoryUsedByFonts),
        math.floor(DxStatus.VideoMemoryFreeForMTA)
    )
    
    dxDrawText(StringToDraw, 10, ScreenH - (FontHeight * 2) - 5 + 1, 0, 0, tocolor(0, 0, 0, 255), 1.5, 'default-bold', 'left', 'top')
    dxDrawText(StringToDraw, 10, ScreenH - (FontHeight * 2) - 5, 0, 0, tocolor(255, 255, 255, 255), 1.5, 'default-bold', 'left', 'top')
end)

local TexturesWithMemoryLeak = {}
local TexturesWithoutMemoryLeak = {}

-- with memory leak
addCommandHandler('ctextures', function()
    local startTime = getTickCount()

    for i = 1, 1000 do
        local file = fileOpen('images/example.dds')
        local pixels = nil

        if file then
            pixels = fileRead(file, fileGetSize(file))
            fileClose(file)
        end

        local Texture = dxCreateTexture(pixels)
        if isElement(Texture) then
            TexturesWithMemoryLeak[#TexturesWithMemoryLeak + 1] = Texture
        end

        -- local Texture = dxCreateTexture('images/example.dds', 'dxt1')
        
        -- if not fileExists('images/example_dds.rgba') then
            --     local file = fileCreate('images/example_dds.rgba')
        --     local pixels = dxGetTexturePixels(Texture, 'plain', 'dxt1')

        --     if file then
        --         fileWrite(file, pixels)
        --         fileClose(file)
        --     end
        -- end

        -- if isElement(Texture) then
        --     TexturesWithMemoryLeak[#TexturesWithMemoryLeak + 1] = Texture
        -- end
    end 

    local endTime = getTickCount()
    local timeTaken = endTime - startTime

    outputChatBox('Textures Created: ' .. #TexturesWithMemoryLeak)
    outputChatBox('Time Taken: ' .. timeTaken .. 'ms')
end)

addCommandHandler('dtextures', function()
    local TexturesDestroyed = 0
    local startTime = getTickCount()

    for i, v in pairs(TexturesWithMemoryLeak) do
        if destroyElement(v) then -- remove texture
            TexturesDestroyed = TexturesDestroyed + 1
            TexturesWithMemoryLeak[i] = nil
        end
    end

    local endTime = getTickCount()
    local timeTaken = endTime - startTime
    outputChatBox('Textures Destroyed: ' .. TexturesDestroyed)
    outputChatBox('Time Taken: ' .. timeTaken .. 'ms')
end)

-- without memory leak
addCommandHandler('ctextures2', function()
    local Width, Height = 512, 512
    local startTime = getTickCount()

    for i = 1, 1000 do
        local Texture = dxCreateTexture(Width, Height)

        if isElement(Texture) then
            local _File = fileOpen('images/example.rgba')
            
            if _File then
                local pixels = fileRead(_File, fileGetSize(_File))
                fileClose(_File)
                if dxSetTexturePixels(Texture, pixels) then
                    TexturesWithoutMemoryLeak[#TexturesWithoutMemoryLeak + 1] = Texture
                else
                    destroyElement(Texture)
                end
            end
        end
    end -- attempt to create 1000 textures

    local endTime = getTickCount()
    local timeTaken = endTime - startTime

    outputChatBox('Textures Created: ' .. #TexturesWithoutMemoryLeak)
    outputChatBox('Time Taken: ' .. timeTaken .. 'ms')
end)

addCommandHandler('dtextures2', function()
    local TexturesDestroyed = 0
    local startTime = getTickCount()

    for i, v in pairs(TexturesWithoutMemoryLeak) do
        if destroyElement(v) then -- remove texture
            TexturesDestroyed = TexturesDestroyed + 1
            TexturesWithoutMemoryLeak[i] = nil
        end
    end

    local endTime = getTickCount()
    local timeTaken = endTime - startTime
    outputChatBox('Textures Destroyed: ' .. TexturesDestroyed)
    outputChatBox('Time Taken: ' .. timeTaken .. 'ms')
end)

-- addEventHandler('onClientResourceStart', resourceRoot, function()
--     local Clothes = exports['nc_clothes']:getClothe()

--     for i, v in pairs(Clothes) do
--         if v.Texture and v.Texture ~= 'TXD' then
--             dxCreateTexture(':nc_clothes/' .. v.Texture)
--             -- local Path = ':nc_clothes/' .. v.Texture

--             -- if fileExists(Path) then
--             --     local _Path = sha256(Path) .. '.rgba'

--             --     if fileExists(_Path) then
--             --         local File = fileOpen(_Path)
--             --         local pixels = fileRead(File, fileGetSize(File))
--             --         fileClose(File)
--             --         local Texture = dxCreateTexture(pixels, 'dxt1')
--             --     end

--                 -- dxCreateTexture(Path)
--                 -- setTimer(function()
--                 --     local Texture = dxCreateTexture(Path)
--                 --     local pixels = dxGetTexturePixels(Texture, 'plain', 'dxt1')
                    
--                 --     if not fileExists(sha256(Path) .. '.rgba') then
--                 --         local file = fileCreate(sha256(Path) .. '.rgba')

--                 --         if file then
--                 --             fileWrite(file, pixels)
--                 --             fileClose(file)
--                 --         end

--                 --         destroyElement(Texture)
--                 --     end

--                 --     outputChatBox('Texture saved: ' .. sha256(Path) .. '.rgba')
--                 -- end, 2, 1)
--             -- end
--         end
--     end
-- end)