local Luan = require "luan:Luan.luan"
local error = Luan.error
local Parsers = require "luan:Parsers.luan"
local json_string = Parsers.json_string or error()
local Io = require "luan:Io.luan"
local Http = require "luan:http/Http.luan"
local Db = require "site:/lib/Db.luan"
local run_in_transaction = Db.run_in_transaction or error()
local Link = require "site:/lib/Link.luan"
local get_owner_links = Link.get_owner_links or error()
local Shared = require "site:/lib/Shared.luan"
local show_editable_link = Shared.show_editable_link or error()
local User = require "site:/lib/User.luan"
local Pic = require "site:/lib/Pic.luan"


return function()
	local user = User.current() or error()
	local url = Http.request.parameters.url or error()
	local title = Http.request.parameters.title or error()
	local owner = user
	local pic = Http.request.parameters.pic
	if pic ~= nil then
		pic = Pic.get_by_id(pic) or error()
		pic.user_id == user.id or error()
		owner = pic
	end
	local link
	run_in_transaction( function()
		local links = get_owner_links(user.id)
		link = Link.new{
			url = url
			title = title
			owner_id = owner.id
			user_id = user.id
			order = #links > 0 and links[1].order - 1 or 0
		}
		link.save()
	end )
	local html = ` show_editable_link(link) `
	Io.stdout = Http.response.text_writer()
%>
	let startDiv = document.querySelector('div[start]');
	startDiv.insertAdjacentHTML( 'afterend', <%= json_string(html) %> );
	clearAddForm();
	dragInit();
	mixpanel.ours.track( 'Add Link' );
	fbTrack( 'track', 'AddToCart' );
<%
end