#!/usr/bin/env python3
"""
Spotify MCP Server Launcher for OpenClaw.
Ensures credentials.json is configured from SPOTIFY_REFRESH_TOKEN, then executes uvx mcp-server-spotify.
"""

import json
import os
import sys
from pathlib import Path


def main():
    refresh_token = os.environ.get("SPOTIFY_REFRESH_TOKEN")
    client_id = os.environ.get("SPOTIFY_CLIENT_ID")
    client_secret = os.environ.get("SPOTIFY_CLIENT_SECRET")

    creds_dir = Path.home() / ".spotify-mcp"
    creds_file = creds_dir / "credentials.json"

    if refresh_token:
        try:
            creds_dir.mkdir(parents=True, exist_ok=True)
            creds = {
                "access_token": "init",
                "refresh_token": refresh_token,
                "expires_at": 0,
            }
            creds_file.write_text(json.dumps(creds, indent=2))
            try:
                creds_file.chmod(0o600)
            except Exception:
                pass
        except Exception as e:
            print(f"[run_spotify_mcp] Warning: Could not write credentials file: {e}", file=sys.stderr)

    # Launch mcp-server-spotify via uvx
    os.execvp("uvx", ["uvx", "mcp-server-spotify"])


if __name__ == "__main__":
    main()