#!/bin/bash
# shellcheck disable=SC1091
source "${AGENT_PATH}/common.sh"
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
source "${SCRIPT_DIR}/_volumes.sh"

_check_required_env_vars "CONTAINER_NAME" "BACKUP_FILE" "TEMP_DIR" "UPLOAD_LOCATION" "DB_DATA_LOCATION" "DB_USERNAME"

echo "Backing up ${CONTAINER_NAME}..."

cd "$SCRIPT_DIR" || _die "Failed to change to script directory"

[ -f docker-compose.yml ] || _die "docker-compose.yml not found."

# Dump the database before backup
echo "Dumping PostgreSQL database..."
docker exec "${CONTAINER_NAME}_postgres" pg_dumpall -U "${DB_USERNAME}" > "${TEMP_DIR}/database.sql" \
    || _die "Failed to dump database"

# Copy the dump to the DB data location for inclusion in backup
cp "${TEMP_DIR}/database.sql" "${DB_DATA_LOCATION}/database_backup.sql"

# Stop containers for consistent backup
docker compose stop

# Backup volumes
# shellcheck disable=SC2046
backup_items $(get_immich_volumes) || _die "Failed to create backup"

# Restart containers
docker compose start

# Clean up
rm -f "${DB_DATA_LOCATION}/database_backup.sql"

echo "Backup complete: ${BACKUP_FILE}"