#!/bin/bash
source "${AGENT_PATH}/common.sh"
source "$(dirname "${BASH_SOURCE[0]}")/_volumes.sh"

_check_required_env_vars "CONTAINER_NAME"

echo "Backing up ${CONTAINER_NAME} ELK stack volumes..."
echo "Note: This may take a while for large log databases"

# Stop the containers to ensure data consistency
bash ./stop.sh || true

# Backup volumes
BACKUP_DIR="${CONFIG_PATH}/backups/$(date +%Y%m%d_%H%M%S)"
mkdir -p "$BACKUP_DIR"

# Export volumes
for volume in $(get_logserver_volumes); do
    volume_name=$(echo $volume | cut -d: -f3)
    echo "Backing up volume: $volume_name"
    docker run --rm -v "$volume_name:/source:ro" -v "$BACKUP_DIR:/backup" alpine \
        tar -czf "/backup/${volume_name}.tar.gz" -C /source .
done

# Backup configuration
cp -r "${CONFIG_PATH}" "$BACKUP_DIR/config_backup"

# Backup docker-compose.yml
cp docker-compose.yml "$BACKUP_DIR/" 2>/dev/null || true

echo "Backup completed to: $BACKUP_DIR"
echo "Size: $(du -sh $BACKUP_DIR | cut -f1)"

# Restart the containers
bash ./start.sh

echo "ELK stack restarted"