local world = require("world")
local net = require("net")
world.locations = world.locations or {}
local loc = {}

local required_fields = {
	name = "string",
	desc = "string",
	goto_txt = "string",
	go = "table",
	settle_txt = "string"
}

local location_base = {
	get_desc = function(self)
		local houses = net.ask_for_homes(self.name,1)
		self.last_houses = houses
		local sb = {self.desc}
		for k,v in pairs(houses) do
			print("Adding ", v)
			sb[#sb + 1] = string.format("%s is here",v)
		end
		return table.concat(sb,"\n")
	end,
	houses = {},
	is_location = true
}

local location_m = {__index = location_base}

function loc.add_location(tbl)
	print("Added location:",tbl.name)
	assert(type(tbl) == "table","Tried to register a location that was not a table")
	for k,v in pairs(required_fields) do
		assertf(tbl[k],"Tried to register a location without a %s field",k)
		assertf(type(tbl[k]) == v,"Tried to register a location with a %s field that should have been a %s, but was a %s",k,v,type(tbl[k]))
	end
	assert(world.locations[tbl.name] == nil)
	setmetatable(tbl,location_m)
	world.locations[tbl.name] = tbl
end


return loc