#!/usr/bin/python

from http.server import BaseHTTPRequestHandler, HTTPServer
from urllib.parse import urlparse, parse_qs

from calendar_fetcher import fetch_calendar


internalPort = 8014
outfile = "data/calendar.json"


# This class will handle any incoming request from
# a browser 
class myHandler(BaseHTTPRequestHandler):
    # Handler for the GET requests
    def do_GET(self):
        self.send_response(200)        
        
        parsed_url = urlparse(self.path)
        query = parse_qs(parsed_url.query)
        
        print("File: %s, query: %s" % (parsed_url.path, query), flush=True)
        
        if parsed_url.path == "/":
            self.send_header('Content-type','text/html')
            self.send_header('Access-Control-Allow-Origin', '*')
            self.end_headers()
            
            self.wfile.write(b"<h1>Calendar Fetcher</h1>\n")
            self.wfile.write(b"fetching...<br>\n")  
            print("fetching...")      
            self.wfile.flush()

            data = fetch_calendar()
            
            self.wfile.write(b"storing...<br>\n")   
            print("storing...")     
            self.wfile.flush()
            
            f = open(outfile, "w")
            f.write(data)
            f.close()
        
        
            self.wfile.write(b"Done.\nData got written to %s}<br>\n" % bytes(outfile, "utf8"))
            print("Done.\nData got written to %s}" % outfile)
            self.wfile.flush()
        
        
        
        


if __name__ == '__main__':
    # Run the service
    
    try:
        print("Starting...")
        server = HTTPServer(('', internalPort), myHandler)
        
        print("Listening on port %d" % internalPort)
        print("Ready to receive requests")

        # Wait forever for incoming http requests
        server.serve_forever()

    except KeyboardInterrupt:
        print ('^C received, shutting down the web server')
        server.socket.close()