local Luan = require "luan:Luan.luan"
local error = Luan.error
local ipairs = Luan.ipairs or error()
local Parsers = require "luan:Parsers.luan"
local json_string = Parsers.json_string or error()
local Html = require "luan:Html.luan"
local html_encode = Html.encode or error()
local Io = require "luan:Io.luan"
local Http = require "luan:http/Http.luan"
local User = require "site:/lib/User.luan"
local get_user_by_id = User.get_by_id or error()
local current_user = User.current or error()
local Chat = require "site:/lib/Chat.luan"
local get_chat_by_id = Chat.get_by_id or error()
local Post = require "site:/lib/Post.luan"
local post_search = Post.search or error()


local function post_html(post)
	local author = get_user_by_id(post.author_id)
	local id = post.id
%>
		<div post="<%=id%>">
			<div who>
				<span author><%=author.email%></span>
				<span when fix><%=post.date%></span>
			</div>
			<div text><%= html_encode(post.content) %></div>
		</div>
<%
end

local function html()
	local user = current_user() or error()
	local chat = Http.request.parameters.chat or error()
	chat = get_chat_by_id(chat) or error()
	local posts = post_search( "post_chat_id:"..chat.id, "id" )
%>
	<div top>
		<h3><%= chat.other_users_email(user) %></h3>
		<button onclick='deleteChat()'>delete</button>
	</div>
	<div main>
<%
	for _, post in ipairs(posts) do
		post_html(post)
	end
%>
		<div input>
			<textarea oninput="fixTextarea(event)" onkeydown="textareaKey(event)"></textarea>
			<button onclick="addPost()" title="Send"><img src="/images/send.svg"></button>
		</div>
	</div>
<%
end

return function()
	Io.stdout = Http.response.text_writer()
%>
	document.querySelector('div[posts]').innerHTML = <%=json_string(`html()`)%>;
	fixDates();
	document.querySelector('div[input] textarea').focus();
<%
end