#!/usr/bin/env python3
"""
An email management frontend.
"""
import asyncio

from aiohttp import web
import jinja2
import aiohttp_jinja2
from aiohttp_jinja2 import render_template
import uvloop
import asyncpg
from passlib.hash import argon2

import forms
import config
import buckler_aiohttp

uvloop.install()
routes = web.RouteTableDef()

@routes.get('/', name='index')
@routes.post('/', name='index')
async def index(request):
	"""The index page."""
	user_id = int(request.cookies.get('userid'))
	server_domain = config.server_domain
	result = {}

	async with request.app['pool'].acquire() as conn:
		user_data = await conn.fetchrow(
			"SELECT * FROM virtual_users WHERE buckler_id = $1",
			user_id)

	if not user_data and request.method == 'GET':
		return render_template('index.html', request, locals())

	if request.method == 'POST':
		data = await request.post()
		form_type = data.get('form_type')
		if form_type == 'change_password':
			result = await forms.change_password(request, user_data)
		elif form_type == 'new_email':
			if user_data:
				result = {
					'ok': False,
					'message': "You already have an email account."
				}
				return render_template('index.html', request, locals())
			result = await forms.new_email(request)
			if result['ok']:
				email = request['meta']['username'] + '@' +config.server_domain
				user_data = {'email': email}

	return render_template('index.html', request, locals())


async def init_app():
	"""Initializes the application."""
	app = web.Application(middlewares=[buckler_aiohttp.buckler_session])
	aiohttp_jinja2.setup(
		app,
		trim_blocks=True,
		lstrip_blocks=True,
		undefined=jinja2.StrictUndefined,
		loader=jinja2.FileSystemLoader('templates'),
	)
	app['pool'] = await asyncpg.create_pool(**config.mailserver_db)
	app.router.add_routes(routes)
	app_wrap = web.Application()
	app_wrap.add_subapp(config.url_prefix, app)
	return app_wrap

if __name__ == "__main__":
	app = asyncio.run(init_app())
	aiohttp.web.run_app(app, host='0.0.0.0', port=5050)