import os
from time import sleep
from threading import Thread

from flask import Blueprint, request, jsonify
import paho.mqtt.publish as mqtt_publish


blueprint = Blueprint('detection', __name__)


def set_camera_detection(camera: str, value: bool, delay: int = 0) -> None:
    sleep(delay)

    mqtt_publish.single(f'frigate/{camera}/detect/set', 'ON' if value else 'OFF', hostname='mqtt', port=1883, auth={'username': os.environ['MQTT_USERNAME'], 'password': os.environ['MQTT_PASSWORD']})


@blueprint.route('/camera/<string:camera>/detect', methods=['POST'])
def camera_detect_POST(camera):
    if not request.json:
        return jsonify({
            'status': 'failure',
            'description': 'Request body needs to be in JSON format'
        }), 400

    value = request.json.get('value', True)
    set_camera_detection(camera, value)

    duration = request.json.get('duration', 0)
    if duration > 0:
        # Start sleeping thread to revert value after duration
        thread = Thread(target=set_camera_detection, args=(camera, not value, duration * 60))
        thread.start()

    return jsonify({
        'status': 'success'
    }), 200