import json
import logging
import requests
from flask import Flask, request
from .settings import *

logging.basicConfig(level=logging.INFO)

class EagleEyev3():
    def __init__(self):
        self.client_id = None
        self.client_secret = None
        self.access_token = None
        self.refresh_token = None
        self.redirect_uri = None

        self._load_vars_from_settings()

        self.user_base_url = None
        self.current_user = None
        self.users = []
        self.bridges = []
        self.cameras = []
        self.users = []
        self.accounts = []

        self.base_url = None

    def _load_vars_from_settings(self):
        """Load variables from the settings module."""
        self.client_id = settings.client_id
        self.client_secret = settings.client_secret
        self.server_host = settings.server_host
        self.server_port = settings.server_port

        # Combine server_protocol, server_host, and server_port to make the redirect_uri
        # Note: Please see the note in settings.py about trailing slashes and modify this line if needed
        self.redirect_uri = f"{settings.server_protocol}://{settings.server_host}:{settings.server_port}"

    def login_tokens(self, code=None, cascade=True):
        """Obtains login tokens using the authorization code.
        
        Args:
            code (str): The authorization code.
            cascade (bool): Indicates whether to cascade and get the base URL and current user information.
        
        Returns:
            dict: Dictionary containing the success status, response HTTP status code, data, and current user information.
        """
        baseUrl = "https://auth.eagleeyenetworks.com/oauth2/token"
        pathUrl = f"?grant_type=authorization_code&scope=vms.all&code={code}&redirect_uri={self.redirect_uri}" # Note the trailing slash, make sure it matches the whitelist
        url = baseUrl + pathUrl

        # Send a POST request to obtain login tokens
        response = requests.post(url, auth=(self.client_id, self.client_secret))
        response_json = response.json()

        logging.info(f"{response.status_code} in login_tokens")

        if response.status_code == 200:
            success = True
            self.access_token = response_json['access_token']
            self.refresh_token = response_json['refresh_token']
            if cascade:
                self.get_base_url()
        else:
            success = False

        return {
            "success": success,
            "response_http_status": response.status_code,
            "data": response_json,
            'current_user': self.current_user
        }

    def get_base_url(self, cascade=True):
        """Obtains the base URL for the user.
        
        Args:
            cascade (bool): Indicates whether to cascade and get the current user information.
        
        Returns:
            dict: Dictionary containing the success status, response HTTP status code, and data.
        """
        url = "https://api.eagleeyenetworks.com/api/v3.0/clientSettings"
        headers = { 
                    "Authorization": f"Bearer {self.access_token}", 
                    "Accept": "application/json"
                }

        # Send a GET request to obtain the base URL
        response = requests.get(url, headers=headers)
        response_json = response.json()

        logging.info(f"{response.status_code} in get_base_url")

        if response.status_code == 200:
            success = True
            if 'httpsBaseUrl' in response_json and 'hostname' in response_json['httpsBaseUrl']:
                self.user_base_url = response_json['httpsBaseUrl']['hostname']
                if cascade:
                    self.get_current_user()
        else:
            success = False

        return {
            "success": success,
            "response_http_status": response.status_code,
            "data": response_json
        }

    def get_current_user(self):
        """Obtains the information of the current user.
        
        Returns:
            dict: Dictionary containing the success status, response HTTP status code, and data.
        """
        url = f"https://{self.user_base_url}/api/v3.0/users/self"
        headers = { 
                    "Authorization": f"Bearer {self.access_token}", 
                    "Accept": "application/json"
                }

        # Send a GET request to obtain the current user information
        response = requests.get(url, headers=headers)
        response_json = response.json()

        logging.info(f"{response.status_code} in get_current_user")

        if response.status_code == 200:
            success = True
            self.current_user = response_json
        else:
            success = False

        return {
            "success": success,
            "response_http_status": response.status_code,
            "data": response_json
        }