from flask import request, jsonify
from flask_restful import Resource

class Camera(Resource):
    cameras = []

    def post(self):
        data = request.json
        rtsp_url = data.get('rtsp_url')
        if len(self.cameras) < 24:
            self.cameras.append({'id': len(self.cameras), 'rtsp_url': rtsp_url})
            return jsonify({"message": "Camera added", "camera_id": len(self.cameras) - 1}), 200
        else:
            return jsonify({"message": "Maximum number of cameras reached"}), 400

    def delete(self):
        data = request.json
        camera_id = data.get('camera_id')
        if 0 <= camera_id < len(self.cameras):
            self.cameras.pop(camera_id)
            return jsonify({"message": "Camera removed"}), 200
        return jsonify({"message": "Camera ID not found"}), 404

    def get(self):
        return jsonify({"cameras": self.cameras})