#!/bin/sh
set -e

RETRY_INTERVAL=3

# If no db_config.json exists yet, skip the wait (first-run setup mode).
python - <<'EOF'
import sys, os
config_path = os.environ.get("DB_CONFIG_PATH", "/config/db_config.json")
if not os.path.exists(config_path):
    sys.exit(1)
EOF
DB_CONFIGURED=$?

if [ "$DB_CONFIGURED" -eq 1 ]; then
    echo "[entrypoint] Keine DB-Konfiguration gefunden – starte im Setup-Modus."
else
    echo "[entrypoint] DB-Konfiguration gefunden – warte auf MariaDB..."
    while true; do
        python - <<'EOF'
import sys
from util.db_config import load_config, test_connection
config = load_config()
sys.exit(0 if config and test_connection(config) else 1)
EOF
        if [ $? -eq 0 ]; then
            echo "[entrypoint] MariaDB erreichbar – starte Flask."
            break
        fi
        echo "[entrypoint] MariaDB noch nicht bereit – neuer Versuch in ${RETRY_INTERVAL}s..."
        sleep "$RETRY_INTERVAL"
    done
fi

exec python app.py