function love.load()
    love.window.setMode(0, 0, {fullscreen = true})
    love.mouse.setVisible(true)
    width, height = love.window.getDimensions()
    state = 0
    ms = 0
    avg = 0
    takes = 0
    total = 0
    errors = 0
    math.randomseed(os.time())
    timer = math.random(2, 5)
end

function love.draw()
    if state == 0 then
        love.graphics.setBackgroundColor(100, 100, 100)
        love.graphics.print("Current FPS: "..tostring(love.timer.getFPS( )), 10, 10)
        local delta = love.timer.getAverageDelta()
        love.graphics.print(string.format("Average frame time: %.3f ms", 1000 * delta), 10, 20)
        love.graphics.print("Timer: "..ms, 10, 30)
        love.graphics.print("Avg: "..avg, 10, 40)
        love.graphics.print("Takes: "..takes, 10, 50)
        love.graphics.print("Errors: "..errors, 10, 60)
        return
    end
    if state == 1 then
        love.graphics.setBackgroundColor(0, 255, 0)
    end
    if state == 2 then
        love.graphics.setBackgroundColor(255, 0, 0)
        love.graphics.print("Timer: "..ms, 10, 10)
    end
end

function love.keypressed(key)
    if key == 'escape' then
        love.event.quit()
    end
    if key == 'delete' then
        total = 0
        avg = 0
        takes = 0
        errors = 0
    end
end

function love.mousepressed(x, y)
    if state == 0 then
        state = 1
        timer = math.random(2, 5)
    return
    elseif state == 1 then
        state = 0
        timer = math.random(2, 5)
        errors = errors + 1;
    return
    elseif state == 2 then
        state = 0
        timer = math.random(2, 5)
        takes = takes + 1;
        total = total + ms;
        avg = total / takes;
    end
end

function love.update(dt)
    if state == 1 then
        timer = timer - dt;
        ms = 0
        if timer <= 0 then
            state = 2
        end
    end
    if state == 2 then
        ms = ms + dt;
    end
end