local p = nil

-- Starts the VarHack game with the specified parameters.
--- @param callback function: Callback function that will receive the result of the game (true for success, false for failure).
--- @param blocks number|nil: Number of blocks in the game. Default is 5 if nil or out of range (1-15).
--- @param speed number|nil: Speed of the game in seconds. Default is 20 if nil or less than 2.
local function varHack(callback, blocks, speed)
    if speed == nil or (speed < 2) then speed = 3000 end  -- Default speed if not provided or less than 2
    if blocks == nil or (blocks < 1 or blocks > 15) then blocks = 5 end  -- Default blocks if not provided or out of range (1-15
    p = promise:new()  -- Create a new promise for the game result
    SetNuiFocus(true, true)  -- Set focus to the NUI (New User Interface)
    SendNUIMessage({
        action = 'VarGame',  -- Action to trigger the VarGame
        data = {
            gameTime = speed,  -- Set the game duration
            maxAnswersIncorrect = 2,  -- Maximum number of incorrect answers allowed
            amountOfAnswers = blocks,  -- Number of blocks in the game
            timeForNumberDisplay = 3,  -- Time to display numbers (seconds)
        }
    })
    local result = Citizen.Await(p)  -- Wait for the game result
    if callback ~= false then
        callback(result)  -- Call the callback with the result
    end
    return result
end

RegisterNuiCallback('var-result', function(res, cb)
    p:resolve(res)
    p = nil
    SetNuiFocus(false, false)
    cb('ok')
end)

exports("VarHack", varHack)
ps.exportChange('ps-ui', "VarHack", varHack)

RegisterCommand("testVarHack", function(source, args, rawCommand)
    local blocks = tonumber(args[1])  -- Get the number of blocks from command arguments
    local speed = tonumber(args[2])  -- Get the speed from command arguments
    local c = varHack(false, blocks, speed)  -- Start the VarHack game with provided parameters
    ps.debug('testVarHack', 'VarHack result:', c)  -- Log the result for debugging
end, false)