#!/usr/bin/env python3
"""Delete a Gitea remote branch.

Usage:
    delete_branch.py <branch_name>
    delete_branch.py --remote prgs feat/my-feature
"""
import os
import sys
import argparse

# Auto-execute using the project's local virtual environment Python
PROJECT_ROOT = os.path.dirname(os.path.abspath(__file__))
venv_python = os.path.join(PROJECT_ROOT, "venv", "bin", "python3")
if os.path.exists(venv_python) and sys.executable != venv_python:
    os.execv(venv_python, [venv_python] + sys.argv)

from gitea_auth import get_auth_header, resolve_remote, add_remote_args, api_request, repo_api_url


def main(argv=None):
    parser = argparse.ArgumentParser(description="Delete a Gitea remote branch.")
    add_remote_args(parser)
    parser.add_argument("branch", help="Remote branch name to delete.")
    args = parser.parse_args(argv)

    host, org, repo = resolve_remote(args)
    auth = get_auth_header(host)
    if not auth:
        print(f"Could not get credentials or token for {host}.", file=sys.stderr)
        return 1

    # Encode the branch name in case it contains slashes, e.g. feat/my-branch
    import urllib.parse
    encoded_branch = urllib.parse.quote(args.branch, safe="")
    url = f"{repo_api_url(host, org, repo)}/branches/{encoded_branch}"

    try:
        api_request("DELETE", url, auth)
        print(f"Successfully deleted remote branch '{args.branch}'")
        return 0
    except Exception as e:
        print(f"Error deleting branch '{args.branch}': {e}", file=sys.stderr)
        return 1


if __name__ == "__main__":
    sys.exit(main())
