function love.load()
  load = require 'load/initialize'
  load.initialize()
end

function love.keypressed(key, scancode)
  keypressed = function(character, metaSprites, sprite, controller, key, scancode)
    if scancode == playerController.quit then
      love.event.quit()
    end

    if scancode == controller.a  then
      character.actionA = true
      character.actionDown = false
      character.actionUp = false
      sprite = require 'jump'
    end

    if scancode == controller.left then
      character.actionLeft = true
    end

    if scancode == controller.right then
      character.actionRight = true
    end

    if scancode == controller.up and character.jump.isJumping == false then
      character.actionUp = true
    end

    if scancode == controller.down and character.jump.isJumping == false then
      character.actionDown = true
    end
  end
  keypressed(character.bola, metaSprites.bola, sprite.bola, playerController.player1, key, scancode)
end

function love.keyreleased(key, scancode)
  keyreleased = function(character, key, controller, scancode)
    if scancode == controller.a then
      character.actionA     = false
    end

    if scancode == controller.left then
      character.actionLeft  = false
    end

    if scancode == controller.right then
      character.actionRight = false
    end

    if scancode == controller.up then
      character.actionUp    = false
    end

    if scancode == controller.down then
      character.actionDown  = false
    end

    if scancode == controller.b then
      character.actionB     = false
    end

    if scancode == controller.a then
      character.actionA = false

      if character.jump.velocity ~= 0 then
        character.jump.limitButtonJump = true
      end
    end
  end
  keyreleased(character.bola, key, playerController.player1, scancode)
end

function love.update(dt)
  nextTime = nextTime + (1 / fps)

  animation = function(sprite, metaSprites, dt)
    --Increase actual elapsed time with new dt
    sprite.elapsedTime = sprite.elapsedTime + dt --AnimationStart

    --In order to know if it is necessary to change the frame
    if sprite.elapsedTime >= (1 / sprite.fps) then
      sprite.elapsedTime = sprite.elapsedTime - (1 / sprite.fps)
      if sprite.currentFrame == # sprite then --If current frame is equal to long sprite list
        sprite.currentFrame = 1 -- Return to first frame
      else
        sprite.currentFrame = sprite.currentFrame + 1 --Next frame
      end
    end

    metaSprites.quad = sprite[sprite.currentFrame] --Update with new fame
  end
  animation(sprite.bola, metaSprites.bola, dt)

  motion = function(character, metaSprites, sprite, dt)
    if character.jump.higher > 0 and character.actionA == true then
      if character.jump.limitButtonJump == false then
        character.jump.higher   = character.jump.higher - dt
        character.jump.velocity = character.jump.velocity + character.jump.height * (dt / character.jump.higherMax)
      end
    end

    if character.actionLeft == true and character.actionRight == false then
      sprite = require 'walk'
      character.position.x = character.position.x - (character.velocity * dt)
      character.scale.x = -1
    end

    if character.actionRight == true and character.actionLeft == false then
      sprite = require 'walk'
      character.position.x = character.position.x + (character.velocity * dt)
      character.scale.x =  1
    end

    if character.actionUp == true and character.actionDown == false then
      sprite = require 'walk'
      character.position.y = character.position.y - (character.velocity * dt)
      character.jump.ground = character.position.y
    end

    if character.actionDown == true and character.actionUp == false then
      sprite = require 'walk'
      character.position.y = character.position.y + (character.velocity * dt)
      character.jump.ground = character.position.y
    end

    if character.actionUp == true and character.actionDown == true then
      sprite = require 'stand'
    elseif character.actionLeft == true and character.actionRight == true then
      sprite = require 'stand'
    elseif character.actionLeft == false and character.actionRight == false and character.actionUp == false and character.actionDown == false then
      sprite = require 'stand'
    end

    return sprite
  end
  sprite.bola = motion(character.bola, metaSprites.bola, sprite.bola, dt)

  gravity = function(character, dt)
    if character.jump.velocity ~= 0 then
      character.jump.isJumping = true
      character.position.y = character.position.y + (character.jump.velocity * dt)
      character.jump.velocity = character.jump.velocity - (character.gravity * dt)
    end

    if character.position.y > character.jump.ground then
      character.jump.velocity = 0
      character.position.y = character.jump.ground
      character.jump.higher = character.jump.higherMax

      character.jump.limitButtonJump = false
      character.jump.isJumping = false
      character.actionA = false

      if love.keyboard.isScancodeDown(playerController.player1.up) then
        character.actionUp = true
      elseif love.keyboard.isScancodeDown(playerController.player1.down) then
        character.actionDown = true
      end
    end
  end
  gravity(character.bola, dt)

  limit = function(character, dt)
    if character.position.x <= character.origin.x then
      character.position.x = character.origin.x
    elseif character.position.x >= windowProfile.mode.width - character.origin.x then
      character.position.x = windowProfile.mode.width - character.origin.x
    end

    if character.position.y <= character.origin.y then
      character.position.y = character.origin.y
    elseif character.position.y >= windowProfile.mode.height - character.origin.y then
      character.position.y = windowProfile.mode.height - character.origin.y
    end
  end
  limit(character.bola, dt)
end

function love.draw()
  local currentTime = love.timer.getTime()
  if nextTime <= currentTime then
    nextTime = currentTime
    return
  end
  love.timer.sleep(nextTime - currentTime)

  love.graphics.scale(windowProfile.scale.x, windowProfile.scale.y)

  love.graphics.print('FPS: ' .. love.timer.getFPS(), 0, 0)

  draw = function(metaSprites, character)
    love.graphics.draw(
      metaSprites.image,
      metaSprites.quad,
      character.position.x,
      character.position.y,
      character.orientation,
      character.scale.x,
      character.scale.y,
      character.origin.x,
      character.origin.y
    )
  end
  draw(metaSprites.bola, character.bola)
end