WINDOW_WIDTH = 1280
WINDOW_HEIGHT = 720

VIRTUAL_WIDTH = 432
VIRTUAL_HEIGHT = 243

PADDLE_SPEED = 200
--[[
        define a class and specify objects of that class
        we will tie our paddles together with classes and objects
]]
Class = require 'class'
push = require 'push'

require 'Ball'
require 'Paddle'

function love.load()
        math.randomseed(os.time())
         love.graphics.setDefaultFilter('nearest','nearest')

         paddle1 = Paddle(5, 20, 5, 20)
         paddle2 = Paddle(VIRTUAL_WIDTH - 10, VIRTUAL_HEIGHT - 30, 5, 20)

         ballX = VIRTUAL_WIDTH/2-2
         ballY = VIRTUAL_HEIGHT/2-2

         ballDX = math.random(2) == 1 and -100 or 100
         ballDY = math.random(-50,50)

         gameState = 'start'
         smallFont = love.graphics.newFont('04B_30__.ttf',8)
         scoreFont = love.graphics.newFont('TitilliumText22L005-webfont.ttf',14)

         love.graphics.setFont(smallFont)

         push:setupScreen(VIRTUAL_WIDTH,VIRTUAL_HEIGHT, WINDOW_WIDTH, WINDOW_HEIGHT, {
                                                        fullscreen = false,
                                                        vsync = true,
                                                        resizeable = false
                                                        })

        player1Score = 0
        player2Score = 0
end
function love.draw()
        push:apply('start')
        love.graphics.clear(40/255,45/255,52/255,255/255) -- map values to 0-1
        scoreFont = love.graphics.newFont('TitilliumText22L005-webfont.ttf',20)
        love.graphics.setFont(smallFont)
        if gameState == 'start' then
                love.graphics.printf('Hello Start State!', 0,20, VIRTUAL_WIDTH, 'center')
        elseif gameState == 'play' then
                love.graphics.printf('Hello Play State!', 0, 20, VIRTUAL_WIDTH, 'center')
        end
        love.graphics.setFont(scoreFont)
        love.graphics.print(player1Score, VIRTUAL_WIDTH/2  - 50, VIRTUAL_HEIGHT /3)
        love.graphics.print(player2Score, VIRTUAL_WIDTH/2+30, VIRTUAL_HEIGHT/3)
        love.graphics.rectangle('fill', ballX, ballY, 4, 4)
        paddle1:render()
        paddle2:render()
        --love.graphics.rectangle('fill', 10, player1Y, 5, 20) -- left side
        --love.graphics.rectangle('line', VIRTUAL_WIDTH - 10, player2Y, 5, 20) -- right side
        push:apply('end')
end

function love.update(dt)

        paddle1:update(dt)
        paddle2:update(dt)

        -- player 1 movement
        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
        -- player 2 movement
        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
                ballX = ballX + ballDX * dt
                ballY = ballY + ballDY * 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'
                elseif gameState == 'play' then
                        gameState = 'start'
                        ballX = VIRTUAL_WIDTH/2-2
                        ballY = VIRTUAL_HEIGHT/2-2
                        ballDX = math.random(2) == 1 and -100 or 100
                        ballDY = math.random(-50,50)
                end
        end
end

function Paddle:render()
        love.graphics.rectangle('fill', self.x, self.y, self.width, self.height)
end