#!/bin/sh
set -e

echo "==> VpnPanel starting"

# Always build DATABASE_URL from POSTGRES_* (Dokploy-friendly)
export DATABASE_URL="$(
  python - <<'PY'
import os
from urllib.parse import quote_plus

user = os.environ.get("POSTGRES_USER", "vpn")
password = os.environ.get("POSTGRES_PASSWORD", "vpn")
db = os.environ.get("POSTGRES_DB", "vpn_panel")
print(f"postgresql+asyncpg://{quote_plus(user)}:{quote_plus(password)}@postgres:5432/{db}")
PY
)"

echo "Waiting for database..."
python - <<'PY'
import asyncio
import os
import sys

from sqlalchemy import text
from sqlalchemy.ext.asyncio import create_async_engine


async def wait_db(retries: int = 60) -> None:
    url = os.environ["DATABASE_URL"]
    engine = create_async_engine(url)
    for i in range(retries):
        try:
            async with engine.connect() as conn:
                await conn.execute(text("SELECT 1"))
            await engine.dispose()
            print("Database is ready")
            return
        except Exception as exc:  # noqa: BLE001
            print(f"DB not ready ({i + 1}/{retries}): {exc}")
            await asyncio.sleep(1)
    await engine.dispose()
    print("ERROR: database did not become ready", file=sys.stderr)
    sys.exit(1)


asyncio.run(wait_db())
PY

echo "Running migrations..."
alembic upgrade head

echo "Bootstrapping admin..."
python -m app.bootstrap

echo "Starting uvicorn..."
exec "$@"