#!/bin/bash
# Aether MariaDB Restore Script (Physical Backup)
# Automates: Stop -> Backup existing -> Extract -> Prepare -> Fix Perms -> Start

set -e

PROJECT_ROOT="/home/scott/OSIT_dev/aether_container_env"
BACKUP_FILE="${PROJECT_ROOT}/backups/mariadbbackup_1555.gz"
MARIADB_DATA="${PROJECT_ROOT}/srv/mariadb"
RESTORE_TEMP="${PROJECT_ROOT}/srv/restore_temp"
TIMESTAMP=$(date +%Y%m%d_%H%M%S)

echo "--- Starting Aether Database Restore ---"

# 1. Stop MariaDB
echo ">>> Stopping MariaDB container..."
cd "${PROJECT_ROOT}" && docker compose stop mariadb

# 2. Archive current data
if [ "$(ls -A ${MARIADB_DATA})" ]; then
    echo ">>> Archiving current data to srv/mariadb_bak_${TIMESTAMP}..."
    mv "${MARIADB_DATA}" "${PROJECT_ROOT}/srv/mariadb_bak_${TIMESTAMP}"
fi
mkdir -p "${MARIADB_DATA}" "${RESTORE_TEMP}"

# 3. Extract and Prepare using Docker
echo ">>> Running extraction and preparation in temporary container..."
docker run --rm --user 0 \
    -v "${PROJECT_ROOT}/backups":/backups \
    -v "${RESTORE_TEMP}":/restore \
    -v "${PROJECT_ROOT}/scripts/restore_internal.sh":/restore.sh \
    mariadb:10.11 bash /restore.sh

# 4. Move prepared data to final location
echo ">>> Moving prepared data to srv/mariadb..."
mv "${RESTORE_TEMP}"/* "${MARIADB_DATA}/"
mv "${RESTORE_TEMP}"/.* "${MARIADB_DATA}/" 2>/dev/null || true
rmdir "${RESTORE_TEMP}"

# 5. Fix Permissions
echo ">>> Fixing ownership for MariaDB user (999:999)..."
docker run --rm -v "${MARIADB_DATA}":/var/lib/mysql alpine chown -R 999:999 /var/lib/mysql

# 6. Start MariaDB
echo ">>> Starting MariaDB container..."
docker compose start mariadb

echo "--- Restore Complete! Check logs with 'docker logs ae_mariadb_dev' ---"