#!/bin/sh
set -eu
cd "$(dirname "$0")/../.."
CONFIG_FILE=${CONFIG_FILE:-.env}
SECRETS_LAUNCHER=${SECRETS_LAUNCHER:-deployment/secrets/han-secrets}

previous_release=${1:-}
if [ -z "$previous_release" ]; then
  echo "Usage: $0 <previous-immutable-release>" >&2
  exit 64
fi
if [ "${HAN_SECRETS_ACTIVE:-0}" != "1" ]; then
  [ -x "$SECRETS_LAUNCHER" ] || {
    echo "Secret launcher is required: $SECRETS_LAUNCHER" >&2
    exit 66
  }
  exec "$SECRETS_LAUNCHER" run --config "$CONFIG_FILE" -- "$0" "$@"
fi
if [ "${SCHEMA_BACKWARD_COMPATIBLE_CONFIRMED:-false}" != "true" ]; then
  echo "Refusing rollback: set SCHEMA_BACKWARD_COMPATIBLE_CONFIRMED=true after migration review." >&2
  exit 64
fi

if [ -n "${HAN_RUNTIME_SECRET_MANIFEST:-}" ]; then
  ./scripts/validate-env "$CONFIG_FILE" --runtime-manifest "$HAN_RUNTIME_SECRET_MANIFEST"
else
  ./scripts/validate-env "$CONFIG_FILE" --runtime-env
fi
RELEASE_VERSION="$previous_release" docker compose --env-file "$CONFIG_FILE" config --quiet
RELEASE_VERSION="$previous_release" docker compose --env-file "$CONFIG_FILE" up -d --remove-orphans
docker compose --env-file "$CONFIG_FILE" ps

echo "Application images rolled back without Alembic downgrade."
echo "Run deployment/scripts/smoke.sh and verify outbox/inbox idempotency."