Class = require 'class'
push = require 'push'
require 'Paddle'
require 'Ball'
WINDOW_WIDTH = 1280
WINDOW_HEIGHT = 720
VIRUTAL_WIDTH = 432
VIRTUAL_HEIGHT = 243
PADDLE_SPEED = 200
function love.load()
    math.randomseed(os.time())
    love.graphics.setDefaultFilter('nearest', 'nearest')
    smallFont= love.graphics.newFont('Retro Gaming.ttf', 8)
    scoreFont = love.graphics.newFont('Retro Gaming.ttf', 32)
    player1Score = 0
    player2Score = 0
    love.graphics.setFont(smallFont)
    push:setupScreen(VIRUTAL_WIDTH, VIRTUAL_HEIGHT, WINDOW_WIDTH, WINDOW_HEIGHT, {
        fullscreen = false,
        vsync = true,
        resizeable = false
    })
    paddle1 = Paddle(5, 20, 5, 20)
    paddle2 = Paddle(VIRUTAL_WIDTH - 10, VIRTUAL_HEIGHT - 30, 5, 20)
    ball = Ball(VIRUTAL_WIDTH/2-2, VIRTUAL_HEIGHT/2-2, 5, 5)
    gameState = 'play'
end
function love.update(dt)
    paddle1:update(dt)
    paddle2:update(dt)
    if love.keyboard.isDown('w') then
        paddle1.dy = -PADDLE_SPEED
    elseif love.keyboard.isDown('s') then
        paddle1.dy = PADDLE_SPEED
    else
        paddle1.dy = 0
    end
    if love.keyboard.isDown('up') then
        paddle2.dy = -PADDLE_SPEED
    elseif love.keyboard.isDown('down') then
        paddle2.dy = PADDLE_SPEED
    else
        paddle2.dy = 0
    end

    if gameState == 'play' then
        ball:update(dt)
    end
end
function love.keypressed(key)
    if key == 'escape' then
        love.event.quit()
    elseif key == 'enter' or key == 'return' then
        if gameState == 'start' then
            gameState = 'play'
        else
            gameState = 'start'
            ball:reset()
        end
    end
end
function love.draw()
    push:apply('start')
    love.graphics.clear(40/255, 45/255, 52/255, 255/255)
    love.graphics.setFont(smallFont)
    if gameState == 'start' then
        love.graphics.printf("Hello Start State!", 0, 20, VIRUTAL_WIDTH, 'center')
    elseif gameState == 'play' then
        love.graphics.printf('Hello Play State!', 0, 20 , VIRUTAL_WIDTH, 'center')
    end
    love.graphics.setFont(scoreFont)
    love.graphics.print(player1Score, VIRUTAL_WIDTH/2-50, VIRTUAL_HEIGHT/3)
    love.graphics.print(player2Score, VIRUTAL_WIDTH/2 + 30, VIRTUAL_HEIGHT/3)
    paddle1:render()
    paddle2:render()
    ball:render()
    push:apply('end')
end