local screenWidth, screenHeight = guiGetScreenSize()

local currentWidth, currentHeight = 250, 125
local currentOutline = 4
local gapBetween = 32

local left = (screenWidth/2) - (currentWidth/2)
local top = (screenHeight/2) - (currentHeight/2)

local controls = { "aim_weapon","radio_next","radio_previous", "fire", "vehicle_fire", "vehicle_secondary_fire" }

local kepszam = 0
local weaponUpper = 0
local weaponLower = 0
local mutat = false

local weaponslot = 0

local nextAmmo = nil
local currentAmmo = nil
local previousAmmo = nil

function getNextWeapon(cSlot)
    local tempSlot = {}
    local curSlot
    if cSlot then
        curSlot = cSlot
    else
        curSlot = getPedWeaponSlot(localPlayer)
    end
    if (curSlot == 0) and (getPedWeapon(localPlayer) == 0 or getPedWeapon(localPlayer) == 1) then
        curSlot = 13
    end

    tempSlot["ID"] = 13
    repeat
        tempSlot["ID"] = tempSlot["ID"]-1
    until (tempSlot["ID"] < curSlot) and not (tempSlot["ID"] ~= 0 and getPedWeapon(localPlayer, tempSlot["ID"]) == 0)
    return getPedWeapon(localPlayer, tempSlot["ID"])
end

function getPreviousWeapon(cSlot)
    local tempSlot = {}
    local curSlot
    if cSlot then
        curSlot = cSlot
    else
        curSlot = getPedWeaponSlot(localPlayer)
    end
    if (curSlot == 12) then
        curSlot = - 1
    end

    tempSlot["ID"] = - 1
    repeat
        tempSlot["ID"] = tempSlot["ID"] + 1
        if tempSlot["ID"] == 13 then
            tempSlot["ID"] = -1
            curSlot = -1
        end
    until (tempSlot["ID"] > curSlot) and not (tempSlot["ID"] ~= 0 and getPedWeapon(localPlayer, tempSlot["ID"]) == 0)
    return getPedWeapon(localPlayer, tempSlot["ID"])
end

local isRendered

local weaps = {
    ["old"] = "",
    ["curr"] = "",
    ["next"] = "",
    ["prev"] = ""
}


function selectWeapon()
        weaps["next"] = getNextWeapon(getSlotFromWeapon(weaps["curr"]))
        weaps["prev"] = getPreviousWeapon(getSlotFromWeapon(weaps["curr"]))

        local textx = left + (currentWidth / 2)
        local texty = (top + (currentHeight / 2))
        dxDrawText( "Fegyvereid",textx, texty - 215, textx, texty - 215, tocolor(200,0,100,255), 2, "default", "center", "center", false,false,true)

        if weaps["old"] == weaps["curr"] then
            dxDrawRectangle ( left - currentOutline, top - currentOutline, currentWidth + currentOutline*2, currentHeight + currentOutline*2, tocolor ( 200, 0, 100, 180 ) )
        end
        dxDrawRectangle ( left, top, currentWidth, currentHeight, tocolor ( 0, 0, 0, 180 ) )

        dxDrawRectangle ( left + 26, top + 48 - currentHeight - gapBetween, currentWidth - 52, currentHeight - 32, tocolor ( 0, 0, 0, 180 ) )
        dxDrawRectangle ( left + 26, top - 16 + currentHeight + gapBetween, currentWidth - 52, currentHeight - 32, tocolor ( 0, 0, 0, 180 ) )


        dxDrawImage(left + 26, top - currentHeight + gapBetween, 256-128, 128-64, "weap/".. weaps["next"] ..".png", 0, 0, 0, tocolor(255, 255, 255, 100), true)
        --nextAmmo = getPedTotalAmmo(getLocalPlayer(), getSlotFromWeapon(nextWeap)) - getPedAmmoInClip(getLocalPlayer(), getSlotFromWeapon(nextWeap)) .. " #FFFFFF/ " .. getPedAmmoInClip(getLocalPlayer(), getSlotFromWeapon(nextWeapon))
        if nextAmmo then --and weaponslot > 0 then
            dxDrawText( "".. nextAmmo .."",textx, texty - 156, textx, texty - 156, tocolor(200,0,100,100), 1, "default", "center", "center", false,false,true,true)
        end


        dxDrawImage(left, top, 256, 128, "weap/".. weaps["curr"] ..".png", 0, 0, 0, tocolor(255, 255, 255, 255), true)
        --currentAmmo = getPedTotalAmmo ( getLocalPlayer(), weaponslot ) - getPedAmmoInClip(getLocalPlayer(), weaponslot) .. " #FFFFFF/ " .. getPedAmmoInClip(getLocalPlayer(), weaponslot)
        if currentAmmo then --and weaponslot > 0 then
            dxDrawText( "".. currentAmmo .."",textx, texty + 48, textx, texty + 48, tocolor(200,0,100,255), 1.5, "default", "center", "center", false,false,true,true)
        end


        dxDrawImage(left + 26, top + currentHeight + gapBetween, 256-128, 128-64, "weap/".. weaps["prev"] ..".png", 0, 0, 0, tocolor(255, 255, 255, 100), true)
        --previousAmmo = getPedTotalAmmo(getLocalPlayer(), getSlotFromWeapon(prevWeap)) - getPedAmmoInClip(getLocalPlayer(), getSlotFromWeapon(prevWeap)) .. " #FFFFFF/ " .. getPedAmmoInClip(getLocalPlayer(), getSlotFromWeapon(previousWeapon))
        if previousAmmo then --and weaponslot > 0 then
            dxDrawText( "".. previousAmmo .."",textx, texty + 156, textx, texty + 156, tocolor(200,0,100,100), 1, "default", "center", "center", false,false,true,true)
        end

end

addEventHandler("onClientResourceStart", resourceRoot, function()

end)

addEventHandler( "onClientResourceStart", getRootElement( ),
    function ( )
        toggleControl ( "next_weapon", false )
        toggleControl ( "previous_weapon", false )
    end
);

function changeNextWeapon()

    if weaps["curr"] == "" then
        weaps["old"] = getPedWeapon(getLocalPlayer())
        weaps["curr"] = weaps["old"]
    else
        weaps["curr"] = getNextWeapon(getSlotFromWeapon(weaps["curr"]))
    end

    if not isRendered then
        addEventHandler("onClientRender", root, selectWeapon)
        isRendered = not isRendered
        toggleControl("fire", false)
        toggleControl("aim", false)
    end
end
function changePrevWeapon()
    if weaps["curr"] == "" then
        weaps["old"] = getPedWeapon(getLocalPlayer())
        weaps["curr"] = weaps["old"]
    else
        weaps["curr"] = getPreviousWeapon(getSlotFromWeapon(weaps["curr"]))
    end
    if not isRendered then
        addEventHandler("onClientRender", root, selectWeapon)
        isRendered = not isRendered
        toggleControl("fire", false)
        toggleControl("aim", false)
    end
end

function changeWeap()

    setPedWeaponSlot(localPlayer, getSlotFromWeapon(weaps["curr"]))
    toggleControl("fire", true)
    toggleControl("aim", true)
    removeEventHandler("onClientRender", root, selectWeapon)
    isRendered = not isRendered
    weaps["curr"] = ""

end

bindKey("mouse_wheel_up", "both", changeNextWeapon)
bindKey("mouse_wheel_down", "both", changePrevWeapon)
bindKey("mouse1", "up", changeWeap)