require "socket" -- para o tempo en milisengundos
require("entidades/pastor")
require("entidades/ovella")
inspect = require 'lib.inspect'

-- configuracion
OVELLAS = 6
DISTANCIA = 70

function love.conf(t)
	t.console = true --activa salida por consola para debug con print()
end

-- globales
ovellas = {}

-- inicia os recursos, execútase ó cargar o xogo
function love.load()
    local width, height, flags = love.window.getMode();
    local BORDER = 100; -- pixeles de borde para non xenerar ovellas nos marxes

   -- imaxes
    background = love.graphics.newImage("img/fondo.png")
    cercado = love.graphics.newImage("img/cercado.png")

    -- fonte
    local f = love.graphics.newFont(12)
    love.graphics.setFont(f)

    -- entidades
    player = Pastor:new(width/2, height/2)

    -- ovellas con posicios aleatorias
    for i=1,OVELLAS do
        -- print(i)
        math.randomseed(os.time()+i)
        local x = math.random(1 + BORDER, width - BORDER);
        local y = math.random(1 + BORDER, height - BORDER);
        -- print(x, y)
        ovella = Ovella:new(i, x, y)
        table.insert(
            ovellas, 
            ovella
        )
    end
end

-- dibuxa
function love.draw()
    -- fondo
    for i = 0, love.graphics.getWidth() / background:getWidth() do
        for j = 0, love.graphics.getHeight() / background:getHeight() do
            love.graphics.draw(background, i * background:getWidth(), j * background:getHeight())
        end
    end

    -- cercado
    cercadoX = (love.graphics.getWidth() - cercado:getWidth()) / 2
    cercadoY = (love.graphics.getHeight() - cercado:getHeight()) / 2
    love.graphics.draw(cercado, cercadoX, cercadoY)

    -- pastor
    player:draw()

    -- ovellas
    for i = 1, #ovellas,1 do --itera sobre cada ovella na tabla
        -- print(inspect(ovellas[i]))
        ovellas[i]:draw()
    end
    
    love.graphics.print("Ovellas recollidas: 0", 10, 10)
end

function love.update(dt)
    --- update player object
    player:update(dt) 
    -- update ovella object
    for i = 1, #ovellas,1 do --itera sobre cada ovella na tabla
        ovellas[i]:update(player)
    end

end