local Luan = require "luan:Luan.luan"
local error = Luan.error
local Html = require "luan:Html.luan"
local html_encode = Html.encode or error()
local Parsers = require "luan:Parsers.luan"
local json_string = Parsers.json_string or error()
local Io = require "luan:Io.luan"
local output_of = Io.output_of or error()
local Http = require "luan:http/Http.luan"
local Post = require "site:/lib/Post.luan"


local function form(post)
%>
					<p><textarea name=content><%=html_encode(post.content)%></textarea></p>
					<p>
						<a href="javascript:saveEdit('<%= post.id %>')">save</a>
						<a href="javascript:cancelEdit('<%= post.id %>')">cancel</a>
					</p>
<%
end

return function()
	local post = Http.request.parameters.post or error()
	post = Post.get_by_id(post) or error()
	local html = output_of(function() form(post) end)
	Io.stdout = Http.response.text_writer()
%>
let postDiv = document.querySelector('[post="<%=post.id%>"]');
postDiv.querySelector('[output]').style.display = 'none';
postDiv.querySelector('[edit]').innerHTML = <%= json_string(html) %>;
postDiv.querySelector('textarea').focus();
<%
end