# git/branches/create.py
import git
import logging

logger = logging.getLogger(__name__)

def create_branch(repo_path, branch_name, base_branch='main'):
    try:
        logger.debug(f"Attempting to create branch {branch_name} from {base_branch}")
        repo = git.Repo(repo_path)
        
        # Check if the branch already exists
        if branch_name in repo.heads:
            return False, f"Branch '{branch_name}' already exists."
        
        # Create and checkout the new branch
        new_branch = repo.create_head(branch_name, commit=base_branch)
        new_branch.checkout()
        
        logger.debug(f"Successfully created branch: {branch_name}")
        return True, {"message": f"Created branch: {branch_name}", "current_branch": branch_name}
    except Exception as e:
        logger.error(f"Error creating branch: {str(e)}", exc_info=True)
        return False, {"error": f"Error creating branch: {str(e)}"}