#!/usr/bin/env python3

import json
import datetime
import requests

from http.server import ThreadingHTTPServer, BaseHTTPRequestHandler

def run():
    schedule = requests.get('https://api.events.ccc.de/congress/2025/schedule.json').json() # json.load(open('schedule.json', 'r'))
    talks = []
    for day in schedule['schedule']['conference']['days']:
        for room in ['Zero', 'One', 'Fuse', 'Ground']: #day['rooms']:
            talks += day['rooms'][room]


    talks.sort(key=lambda talk: talk['date'])
    now = datetime.datetime.now()

    upcoming = []
    for talk in talks:
        if datetime.datetime.fromisoformat(talk['date']).timestamp() < now.timestamp():
            continue
        upcoming.append({'start': talk['start'], 'room': talk['room'], 'title': talk['title']})

    return json.dumps(upcoming)


class Handler(BaseHTTPRequestHandler):
    def do_GET(self):
        data = run().encode("utf-8")
        self.send_response(200)
        self.send_header("Content-Type", "text/plain; charset=utf-8")
        self.send_header("Content-Length", str(len(data)))
        self.end_headers()
        self.wfile.write(data)

if __name__ == '__main__':
    server = ThreadingHTTPServer(("0.0.0.0", 8000), Handler)
    server.serve_forever()