#!/bin/bash
# Rebuilds/pulls the Odoo image and upgrades modules.
# ALWAYS backs up first and records the previous image tag for rollback —
# this is a lesson already paid for on the Frappe track. Do not skip it.
#
# Usage: ./scripts/update.sh [module1,module2,...]
#   With no argument, upgrades every mc_education_* module found in ./addons.
set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
cd "$SCRIPT_DIR"

set -a; [ -f .env ] && source .env; set +a
DB_NAME="${ODOO_DB_NAME:-school}"
ODOO_VERSION="${ODOO_VERSION:-19.0}"

echo "[->] Backing up before update (required — do not skip)..."
./scripts/backup.sh

echo "[->] Recording current image digest for rollback..."
mkdir -p .rollback
PREV_DIGEST=$(docker compose images odoo --format json 2>/dev/null | grep -o '"Repository":"[^"]*","Tag":"[^"]*"' || true)
{
  echo "timestamp=$(date +%Y%m%d-%H%M%S)"
  echo "previous_image=odoo:${ODOO_VERSION}"
  docker inspect --format='previous_image_id={{.Id}}' "$(docker compose images -q odoo 2>/dev/null)" 2>/dev/null || true
} > .rollback/last-update.env
echo "[OK] Rollback record written to .rollback/last-update.env"

echo "[->] Pulling latest odoo:${ODOO_VERSION} image..."
docker compose pull odoo

echo "[->] Restarting Odoo on the new image..."
docker compose up -d odoo

MODULES="${1:-}"
if [ -z "$MODULES" ]; then
  MODULES=$(ls addons | grep '^mc_education_' | paste -sd, -)
fi

if [ -z "$MODULES" ]; then
  echo "[!] No mc_education_* modules found under ./addons — nothing to upgrade."
  exit 0
fi

echo "[->] Upgrading modules: ${MODULES}"
docker compose exec odoo odoo -c /etc/odoo/odoo.conf -d "$DB_NAME" -u "$MODULES" --stop-after-init

echo "[OK] Update complete. Previous image recorded in .rollback/last-update.env for manual rollback."