local ecs = require "ecs"
local Position = require "ecs.Position"
local Velocity = require "ecs.Velocity"
local Meta = require "ecs.Meta"
local Wrapper = require 'ecs.Wrapper'

function init()
	print("Registering components")

	LuaData = ecs.register("LuaData", {
		speed = "number",
		something = "string",
		alive = "boolean"
	})
	TestThing = ecs.register("TestThing", {
		test = "string"
	})
end


function run()
	print("Running!")
	manager = get_manager()
	ent = manager:create_entity()
	ent:add_component(Position.new(1.9, 9.7))
	ent:add_component(Velocity.new(0.2, 0.3))
	ent:add_component(Meta.new("Soldier"))

	ent:add_component(LuaData.new({
		speed = 10,
		something = "Hello, World!",
		alive = true
	}))
	ent:add_component(TestThing.new({
		test = "This is a test!"
	}))

	-- @todo Make this happen...
	-- stats = {
	-- 	hp = 100,
	-- 	magic = 30
	-- }
	--
	-- ent:add_component(ecs.Wrapper.new("Stats", stats))

	print(ent:has_components("Position", "Velocity"))
	pos = ent:get_component("Position")
	print("x: " .. pos.x)
	print("y: " .. pos.y)
	vel = ent:get_component("Velocity")
	print("v_x: " .. vel.x)
	print("v_y: " .. vel.y)

	print("View test")
	manager:view("Position", "Velocity"):for_each(function(ent)
		pos = ent:get_component("Position")
		vel = ent:get_component("Velocity")

		pos.x = pos.x + vel.x
		pos.y = pos.y + vel.y

		print(ent)

		print("x: " .. pos.x)
		print("y: " .. pos.y)

		print("v_x: " .. vel.x)
		print("v_y: " .. vel.y)

		if ent:has_components("Meta") then
			meta = ent:get_component("Meta")
			print("name: " .. meta.name)
		end
	end)

	-- @todo Implement this
	-- for uuid,entity in pairs(view) do
	-- print "TEST"
	-- end
	
	manager:view("LuaData"):for_each(function(ent)
		d = ent:get_component("LuaData")

		print("speed: " .. d.speed)
		d.speed = 11
		print("speed: " .. d.speed)

		print("alive: ") print(d.alive)
		d.alive = false
		print("alive: ") print(d.alive)

		print("Something: " .. d.something)
	end)

	manager:view("TestThing"):for_each(function(ent)
		t = ent:get_component("TestThing")

		print("test: " .. t.test)
	end)

	print("Done running!")
end