import base64
import requests
import os
import logging

class ReadFile:
    def __init__(self, base_url, token, repo, current_branch):
        self.base_url = base_url
        self.headers = {
            "Authorization": f"token {token}",
            "Accept": "application/vnd.github.v3+json"
        }
        self.repo = repo
        self.current_branch = current_branch

        # Set up logging
        self.logger = logging.getLogger(__name__)
        self.logger.setLevel(logging.INFO)
        
        # Create a file handler
        file_handler = logging.FileHandler('read_file.log')
        file_handler.setLevel(logging.INFO)
        
        # Create a console handler
        console_handler = logging.StreamHandler()
        console_handler.setLevel(logging.INFO)
        
        # Create a formatting for the logs
        formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
        file_handler.setFormatter(formatter)
        console_handler.setFormatter(formatter)
        
        # Add the handlers to the logger
        self.logger.addHandler(file_handler)
        self.logger.addHandler(console_handler)

    def __call__(self, path):
        self.logger.info(f"Reading file: {path} from branch: {self.current_branch}")
        url = f"{self.base_url}/repos/{self.repo}/contents/{path}"
        response = requests.get(url, headers=self.headers, params={"ref": self.current_branch})
        if response.status_code == 200:
            content = response.json()["content"]
            decoded_content = base64.b64decode(content).decode('utf-8')
            self.logger.info(f"Successfully read file: {path}")
            return decoded_content
        else:
            error_message = f"Error reading file: {response.status_code}"
            self.logger.error(error_message)
            return error_message