import logging

class SetCurrentBranch:
    def __init__(self, current_branch):
        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('set_current_branch.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, branch_name):
        self.logger.info(f"Setting current branch from {self.current_branch} to {branch_name}")
        self.current_branch = branch_name
        return f"Current branch set to: {self.current_branch}"

# JSON definition for the set_current_branch function
set_current_branch_definition = {
    "name": "set_current_branch",
    "description": "Set the current branch",
    "parameters": {
        "type": "object",
        "properties": {
            "branch_name": {
                "type": "string",
                "description": "Name of the branch to set as current"
            }
        },
        "required": ["branch_name"]
    }
}