#!/usr/bin/env python3
import sys
import os
import time
import subprocess
import atexit
import json

BASE_DIR = os.path.realpath(os.path.dirname(__file__) + "/..")

def prepare():
    manage_py = os.path.join(BASE_DIR, 'api/api/manage.py')
    emblem_env = os.environ.get("EMBLEM_ENV")
    if emblem_env:
        em = ['sendalert', f"emblem {emblem_env} started"]
        for subcmd in [['migrate'], ['createcachetable'], em]:
            cmd = [manage_py] + subcmd
            subprocess.check_call(cmd)

def main():
    prepare()
    subprocess.check_output(['ls', '/emblem/web/dist/index.html'])
    print("Moving nginx.conf to /etc");
    subprocess.check_output(['mv', '/emblem/nginx.conf', '/etc/nginx/nginx.conf'])
    subprocess.check_output(['nginx', '-t'])
    nginx = subprocess.Popen(['nginx'])
    gunicorn_args = os.environ.get("GUNICORN_ARGS", "").split()
    gunicorn_log = '/emblem/log/gunicorn.log'
    subprocess.check_output(['touch', gunicorn_log])
    gunicorn = subprocess.Popen(['gunicorn',
        '-b', '127.0.0.1:28266',
        '-b', 'unix:/tmp/gunicorn.sock',
        '--log-level=info',
        '--log-file=' + gunicorn_log,
        '-w', '8',
        '-t', '0',
        'emblemapi.wsgi:application'
        ] + gunicorn_args, cwd=os.path.join(BASE_DIR, 'api/api'))
    detection = subprocess.Popen(["python3", "app.py"], cwd=os.path.join(BASE_DIR, "detection"))

    procs = [nginx, gunicorn, detection]
    atexit.register(lambda: [x.kill() for x in procs])

    while True:
        for x in procs:
            if x.poll() != None:
                print(f"{x.args} exited, code: {x.returncode}")
                sys.exit(1)
        time.sleep(1)

sys.exit(main())