#!/usr/bin/env python
import os
import sys
import time
import json
from subprocess import call

import config

MY_DIR = os.path.dirname(os.path.abspath(__file__))

try:
    from flask import Flask, request

    app = Flask(__name__)

    COMMAND = os.path.join(MY_DIR, "update-keys")
    EVENTS = ["key_create", "key_destroy"]

    @app.route("/", methods=['POST'])
    def commit ():
        key = request.headers.get('X-Gitlab-Token', '')
        if not key == config.GITLAB_KEY:
            return "wrong key"

        event = json.loads(request.data)
        print ">> received event: {}".format(event['event_name'])

        if not event['event_name'] in EVENTS:
            return "wrong event"

        time.sleep(config.LISTENER_DELAY)
        print ">> updating keys"
        call([COMMAND])
        return "ok"

    if __name__ == "__main__":
        app.run(host=config.LISTENER_ADDRESS, port=config.LISTENER_PORT)

except ImportError:
    call(". " + os.path.join(MY_DIR, "venv", "bin", "activate") + "; " + " ".join(sys.argv), shell=True)