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)

		self.send_response(status_code)
		self.send_header('Content-Type', 'text/html; charset=utf-8')
		self.send_header('Content-Length', length)
		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):
		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(('', 8000), HTTPRequestHandler)
	httpd.serve_forever()

if __name__ == '__main__':
	main()