import cgi
import datetime

import pymysql

def application(env, re):
 if env["REQUEST_METHOD"] == "POST":
  args = cgi.parse_qs(env['wsgi.input'].readline().decode(), True)
 elif env["REQUEST_METHOD"] == "GET":
  args = cgi.parse_qs(env['QUERY_STRING'], True)
 else:
  re("405 Method Not Allowed", [])
  return

 if env["PATH_INFO"] == "/endpoint":
  try:
   device = args["device"][0]
  except:
   re("400 Bad Request", [])
   yield "<h1>400 Bad Request</h1>".encode()
   yield "device is required.".encode()

  try:
   latitude = float(args["lat"][0].replace(",", "."))
   longitude = float(args["lon"][0].replace(",", "."))
  except Exception as e:
   re("400 Bad Request", [])
   yield "<h1>400 Bad Request</h1>".encode()
   yield "lat and lon are required.".encode()
   return

  try:
   altitude = float(args["alt"][0].replace(",", "."))
  except:
   altitude = None

  try:
   timestamp = datetime.datetime.fromtimestamp(float(args["t"][0]) / 1000)
  except:
   timestamp = datetime.datetime.now()

  timestr = timestamp.strftime('%Y-%m-%d %H:%M:%S')

  sql = "INSERT INTO tracker(ts, device, lat, lon, alt) VALUES (\"%s\", \"%s\", %s, %s, %s);" % (timestr, device, str(latitude), str(longitude), str(altitude) or "None")