import http.cookies
import http.server
import urllib.parse

import generate_html

class HTTPRequestHandler(http.server.BaseHTTPRequestHandler):
	server_version = 'Buranun/0.0'
	protocol_version = 'HTTP/1.1'

	def __send_html(self, html, *, status_code = 200):
		encoded = html.encode('utf-8')
		length = len(encoded)

		# TODO: Make this more sensical
		sent_cookies = http.cookies.SimpleCookie()
		sent_cookies['buranun_session'] = 'dihutenosa'
		sent_cookies['buranun_session']['domain'] = 'ahti-saarelainen.zgrep.org'
		sent_cookies['buranun_session']['path'] = '/board'
		sent_cookies['buranun_session']['max-age'] = 60
		sent_cookies['buranun_session']['secure'] = True
		sent_cookies['buranun_session']['httponly'] = True

		self.send_response(status_code)
		self.send_header('Content-Type', 'text/html; charset=utf-8')
		self.send_header('Content-Length', length)

		# Since http.cookies doesn't play nicely with http.server we need to do this manually
		self.flush_headers()
		self.wfile.write(sent_cookies.output().encode('utf-8') + b'\r\n')

		self.end_headers()

		self.wfile.write(encoded)

	def __send_404(self, path):
		html = generate_html.error_404(path)
		self.__send_html(html, status_code = 404)

	def do_GET(self):
		# TODO: Do something with the session
		cookies_string = self.headers['cookie']

		if cookies_string is not None:
			received_cookies = http.cookies.SimpleCookie()

			try:
				received_cookies.load(cookies_string)
			except http.cookies.CookieError:
				print('malformed cookies')

			if 'buranun_session' in received_cookies:
				print(received_cookies['buranun_session'].value)

		else:
			print('no cookies')

		path = urllib.parse.unquote(self.path)

		path_components = [component for component in path.split('/') if component != '']

		if len(path_components) == 0:
			# Path of format / → index
			html = generate_html.index()
			self.__send_html(html)

		elif len(path_components) == 1:
			# Path of format /foo/ → board index
			board_name = path_components[0]
			html = generate_html.board(board_name)
			self.__send_html(html)

		else:
			# Path not understood, send 404
			self.__send_404(path)

def main():
	httpd = http.server.HTTPServer(('', 4000), HTTPRequestHandler)
	httpd.serve_forever()

if __name__ == '__main__':
	main()