--Gamestates/Game.lua
--by Fallstar

local Game = {}
local Gui = require "Quickie"

function Game:enter()
    Previous = "Gamestates/Menu"
end

local foes = {}
local nbFoes = 5 --Number of foes
local won = false
local turrets = {}
local nbTurrets = 2



function Game:reset()
    for i=0, nbFoes do
        table.insert(foes, { x = i*20, y = 256, hp = 100})
    end
end


function Game:init()
    Game:reset()
end

function Game:turrets()
    for i=1, nbTurrets do
        if love.mouse.isDown("l") then
            table.insert(turrets, {x = love.mouse.getX()})
        end
    end
end


function Game:update(dt)

    if #turrets < nbTurrets then
        Game:turrets()
    elseif not won then
        for i, foe in ipairs(foes) do
            for j, turret in ipairs(turrets) do
                if foe.x > turret.x-50 and foe.x < turret.x+50 and i % #turret == j then                                    foe.hp =foe.hp-1
                    if foe.hp <=0 then
                        foe=nil
                    end
                    end
            end
        end
        foe.x = foe.x+1
    elseif won then
        Gui.group.push{grow = "down", pos = {50,5}}
        Gui.Label{ text = "Bravo"}
        Gui.group.pop{}
    end


    if table.getn(foes)==0 then
        won=true
    end
end



function Game:draw()
    love.graphics.setBackgroundColor(100, 050, 200)
    for i, turret in ipairs(turrets) do
        if turret then
        love.graphics.setColor(255, 0, 0, 100)
        love.graphics.rectangle("fill", turret.x-50, 0, 100, 600)
        end
    end
    if not won then
        for i, foe in ipairs(foes) do
            love.graphics.setColor(0,0,0,255)
            love.graphics.circle("fill", foe.x-(i*20), 300, 5, 100) --show foe i if it has hp
            love.graphics.print(foe.hp, foe.x-(i*20), 400) --shows hp
        end
    end
    Gui.core.draw() --Draw Gui
end

return Game