import requests
import logging

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

        # Set up logging
        self.logger = logging.getLogger(__name__)
        self.logger.setLevel(logging.INFO)
        
        # Create a file handler
        file_handler = logging.FileHandler('merge_pull_request.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 - %(levellevel)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, pull_number, commit_title, commit_message, merge_method):
        self.logger.info(f"Merging pull request: {pull_number}")
        url = f"{self.base_url}/repos/{self.repo}/pulls/{pull_number}/merge"
        data = {
            "commit_title": commit_title,
            "commit_message": commit_message,
            "merge_method": merge_method
        }
        response =.requests.put(url, headers=self.headers, json=data)
        if response.status_code == 200:
            success_message = f"Pull request {pull_number} merged successfully"
            self.logger.info(success_message)
            return success_message
        else:
            error_message = f"Error merging pull request: {response.status_code}\nResponse: {response.text}"
            self.logger.error(error_message)
            return error_message

# JSON definition for the merge_pull_request function
merge_pull_request_definition = {
    "name": "merge_pull_request",
    "description": "Merge a pull request",
    "parameters": {
        "type": "object",
        "properties": {
            "pull_number": {
                "type": "integer",
                "description": "The number of the pull request"
            },
            "commit_title": {
                "type": "string",
                "description": "Title for the automatic commit message",
                "default": "Merge pull request"
            },
            "commit_message": {
                "type": "string",
                "description": "Extra detail to append to automatic commit message",
                "default": ""
            },
            "merge_method": {
                "type": "string",
                "description": "Merge method to use",
                "enum": ["merge", "squash", "rebase"],
                "default": "merge"
            }
        },
        "required": ["pull_number"]
    }
}