local MainState = {}
local pprint = require("lib.pprint")
local nata   = require("lib.nata")
local Vec    = require("lib.brinevector")
local data   = require("data")

function MainState:enter()
	self.ecs = nata.new{
		groups = {
			physical = {filter = {"pos", "vel"}},
			player = {filter = {
				"pos", "acc", "speed",
				"bolt_count",
				"bolt_cooldown", "bolt_speed", "bolt_friction"
			}},
			sprite = {filter = {"sprite"}},
			bolt = {filter={"pos", "vel", "bolt"}}
		},
		systems = {
			require("systems.physics"),
			require("systems.player"),
			require("systems.sprite")
		},
		data = {}
	}

	self.ecs:queue{
		pos = Vec(100, 100),
		vel = Vec(0, 0),
		acc = Vec(),

		sprite = {},
		friction = 0.998,
		speed = 800,
		bolt_count = 1,
		bolt_speed = 1000,
		bolt_cooldown = 0.2,
		bolt_friction = 0.9
	}
end

function MainState:update(dt)
	self.ecs:flush()
	self.ecs:emit("update", dt)

	if love.keyboard.isDown("escape") then
		love.event.quit()
	end
end

function MainState:mousemoved(...)
	self.ecs:emit("mousemoved", ...)
end

function MainState:keypressed(...)
	self.ecs:emit("keypressed", ...)
end

function MainState:draw()
	self.ecs:emit("draw")
end

return MainState