#!/bin/sh
set -e

echo "Waiting for PostgreSQL at ${POSTGRES_HOST}:${POSTGRES_PORT}..."
until pg_isready -h "${POSTGRES_HOST}" -p "${POSTGRES_PORT}" -U "${POSTGRES_USER}"; do
  sleep 1
done

echo "PostgreSQL is available."

if [ "${DJANGO_SETTINGS_MODULE:-}" = "config.settings.production" ] && [ "$1" = "gunicorn" ]; then
  echo "Running Django deployment checks..."
  python manage.py check --deploy --fail-level WARNING
fi

if [ "${AUTO_APPLY_MIGRATIONS:-0}" = "1" ] && [ "$1" = "gunicorn" ]; then
  echo "Applying database migrations..."
  python manage.py migrate --noinput
fi

if [ "${AUTO_COLLECTSTATIC:-0}" = "1" ] && [ "$1" = "gunicorn" ]; then
  if [ "${AUTO_BUILD_TAILWIND:-1}" = "1" ] && [ -f /app/package.json ]; then
    if [ -x /app/node_modules/.bin/tailwindcss ]; then
      echo "Building Tailwind assets..."
      npm run build
    else
      echo "Tailwind dependencies missing; skipping AUTO_BUILD_TAILWIND."
    fi
  fi

  echo "Collecting static files..."
  python manage.py collectstatic --noinput
fi

exec "$@"