import os
import json
import requests
from google.auth.transport.requests import Request
from google.oauth2.credentials import Credentials
from google_auth_oauthlib.flow import InstalledAppFlow

SCOPES = ['https://www.googleapis.com/auth/blogger']
BLOG_ID = 'YOUR_BLOG_ID_HERE'

class BloggerClient:
    def __init__(self, client_secrets_file='client_secret.json', token_file='token.json'):
        self.client_secrets_file = client_secrets_file
        self.token_file = token_file
        self.creds = None
        self.service_url = 'https://www.googleapis.com/blogger/v3/blogs'
        self.authenticate()

    def authenticate(self):
        if os.path.exists(self.token_file):
            self.creds = Credentials.from_authorized_user_file(self.token_file, SCOPES)
        if not self.creds or not self.creds.valid:
            if self.creds and self.creds.expired and self.creds.refresh_token:
                self.creds.refresh(Request())
            else:
                flow = InstalledAppFlow.from_client_secrets_file(
                    self.client_secrets_file, SCOPES)
                self.creds = flow.run_console()
            with open(self.token_file, 'w') as token:
                token.write(self.creds.to_json())

    def get_blog_info(self):
        url = f"{self.service_url}/{BLOG_ID}"
        headers = {'Authorization': f'Bearer {self.creds.token}'}
        response = requests.get(url, headers=headers)
        return response.json()

    def create_post(self, title, content, labels=[]):
        url = f"{self.service_url}/{BLOG_ID}/posts/"
        headers = {
            'Authorization': f'Bearer {self.creds.token}',
            'Content-Type': 'application/json'
        }
        post_data = {
            'kind': 'blogger#post',
            'blog': {'id': BLOG_ID},
            'title': title,
            'content': content,
            'labels': labels
        }
        response = requests.post(url, headers=headers, data=json.dumps(post_data))
        return response.json()