#!/usr/bin/env python
import ptv_client
import html_view
from wsgiref.simple_server import make_server
from urllib.parse import parse_qs
import util

def application(environ, start_response):
    d = parse_qs(environ['QUERY_STRING'])
    if 'q' in d:
        query = str(d.get('q', [''])[0])
        response_body = html_view.format_stop_and_route_name_table(
            list(ptv_client.get_stop_and_routes(ptv_client.search(query))))
    else:
        print(d)
        departures = ptv_client.get_departures(
            str(d['route-type'][0]), str(d['stop'][0]), str(d['route'][0]))
        filtered_deps = util.filter_departures(departures['departures'])
        direction_names = ptv_client.get_direction_names(str(d['route'][0]))
        response_body = html_view.format_departure_table(
            filtered_deps, direction_names)

    response_html = html_view.html(response_body)
    response_headers = [
        ('Content-Type', 'text/html'),
        ('Content-Length', str(len(response_html)))
    ]
    start_response('200 OK', response_headers)
    return [response_html.encode()]

httpd = make_server('localhost', 8052, application)
httpd.serve_forever()