debug = true

background = { x = 1280, y = 720, speed = 0, img = nil}
player = { x = 350, y = 250, width = 52, height = 116, speed = 335, img = nil}
local bump = require 'bump'
local dumpdebug = require 'dumpdebug'
local rectangles = {}
local world = bump.newWorld(16)
local debugDraw
local directionX = 0
local directionY = 0
local sti = require "STI"

function love.load(arg)
	player.crouching = false
	player.standimg = love.graphics.newImage('assets/Albert.png')
	background.mapzero = love.graphics.newImage('assets/Map0.png')
	background.mapone = love.graphics.newImage('assets/Map1.png')
	background.maptwo = love.graphics.newImage('assets/Map2.png')
	background.mapthree = love.graphics.newImage('assets/Map3.png')
	background.mapfour = love.graphics.newImage('assets/Map4.png')
	player.crouchimg = love.graphics.newImage('assets/Bob.png')
	player.img = player.standimg
	remainingSpeed = 335
	-- We now have an asset ready to be used inside love

	for line in love.filesystem.lines("map0.txt") do
		local x1,y1,x2,y2 = line:match('(%d+),(%d+),(%d+),(%d+)')
		x1 = tonumber(x1)
		x2 = tonumber(x2)
		y1 = tonumber(y1)
		y2 = tonumber(y2)
		local w = x2 - x1
		local h = y2 - y1
		local rectangle = { x1, y1, w, h }
		table.insert(rectangles, rectangle)
		world:add(rectangle, x1, y1, w, h)
	end
	world:add(player, player.x, player.y, player.width, player.height)
end

-- Updating
function love.update(dt)
    -- I always start with an easy way to exit the game
	-- Vertical movement
	-- Binds us to the map
	if player.crouching == false then
		directionX = "0"
		directionY = "0"
		if love.keyboard.isDown('up', 'w') then
			if player.y > 0 then
				player.y = player.y - (player.speed*dt)
				directionY = 'up'
			end
		elseif love.keyboard.isDown('down', 's') then
			if player.y < (love.graphics.getHeight() - player.img:getHeight()) then
				player.y = player.y + (player.speed*dt)
				directionY = 'down'
			end
		end
		if love.keyboard.isDown('left', 'a') then
			if player.x > 0 then
				player.x = player.x - (player.speed*dt)
				directionX = 'left'
			end
		elseif love.keyboard.isDown('right', 'd') then
			if player.x < (love.graphics.getWidth() - player.img:getWidth()) then
				player.x = player.x + (player.speed*dt)
				directionX = 'right'
			end
		end
	else
		if directionY == 'up' then
			player.y = player.y - remainingSpeed
		elseif directionY == 'down' then
			player.y = player.y + remainingSpeed
		end
		if directionX == 'left' then
			player.x = player.x - remainingSpeed
		elseif directionX == 'right' then
			player.x = player.x + remainingSpeed
		end
	end
	remainingSpeed = remainingSpeed + (0 - remainingSpeed)*dt
	player.x,player.y = world:move(player, player.x, player.y)
end


function love.draw(dt)
	love.graphics.setColor(255,255,255)
	if debugDraw then
		dumpdebug.draw(world)
	end
	love.graphics.draw(background.mapzero)
	love.graphics.draw(player.img, player.x, player.y)
	love.graphics.print("Current FPS: "..tostring(love.timer.getFPS( )), 10, 50)
	local coords = love.mouse.getX().. ", " .. love.mouse.getY()
	love.graphics.print(coords, 10, 10)
	for i, v in pairs(rectangles) do
		love.graphics.rectangle('line', v[1], v[2], v[3], v[4])
	end
end

function love.keypressed(key)
	if key == "escape" then
		love.event.quit()
	end
	if key == "f12" then
		debugDraw = not debugDraw
	end
	if key == "lctrl" then
		player.crouching = true
		player.img = player.crouchimg
		world:update(player, player.x,player.y,52,116)
		remainingSpeed = 3
	end
end

function love.keyreleased(key)
	if key == "lctrl" then
		player.crouching = false
		player.img = player.standimg
		world:update(player, player.x,player.y,52,116)
		remainingSpeed = 0
	end
end