#!/usr/bin/env python3

from http.client import parse_headers
from http.server import BaseHTTPRequestHandler
from http.server import HTTPServer

import subprocess

import config

## Simple way to automatically pull and recompile on a remote server.
## Run this from the root directory.
##
## Currently supports:
##  - Gitea (Via GET method).
##


class HttpHandler(BaseHTTPRequestHandler):
    def do_GET(self):
        got_gitea_push_event = False
        got_auth = False

        for header in self.headers:
            match [header, self.headers[header]]:
                case ["X-Gitea-Event", "push"]:
                    got_gitea_push_event = True

                case ["Authorization", config.webhook_auth]:
                    got_auth = True


        if not got_gitea_push_event or not got_auth:
            self.send_response(400)
            return

        # todo: This way of doing it blocks both parties. Not ideal.
        self.send_response(200)

        subprocess.run(["git", "pull"])
        subprocess.run(["./compile.sh"])

        print("Pulled and recompiled.")


def run(server_class=HTTPServer, handler_class=HttpHandler):
    server_address = ('', config.webhook_port)
    httpd = server_class(server_address, handler_class)
    try:
        httpd.serve_forever()
    except KeyboardInterrupt:
        httpd.server_close()


if __name__ == "__main__":
    run()