"""Seed the client_domains table from scripts/seed_client_domains.json.

Idempotent — running this multiple times updates existing rows in place
instead of erroring. Safe to run after deploys or whenever you've added
new mappings to the JSON file.

Usage:  python -m scripts.seed_client_domains
"""
from __future__ import annotations

import asyncio
import json
import sys
from pathlib import Path

# Make repo root importable when invoked as `python scripts/seed_client_domains.py`
sys.path.insert(0, str(Path(__file__).resolve().parent.parent))

from app.config import settings
from app.database import get_db
from app.lib.utils.client_routing import add_or_update_client_domain


SEED_FILE = Path(__file__).resolve().parent / "seed_client_domains.json"


async def main() -> None:
    data = json.loads(SEED_FILE.read_text())
    # Strip the README-style key if present.
    data.pop("_README", None)

    if not data:
        print("Nothing to seed — JSON file has no mappings.")
        return

    async with get_db(settings.database_path) as conn:
        for domain, client_name in data.items():
            await add_or_update_client_domain(conn, domain, client_name)
            print(f"  {domain:40s} → {client_name}")

    print(f"\nSeeded {len(data)} domain mapping(s) into {settings.database_path}.")


if __name__ == "__main__":
    asyncio.run(main())