#!/bin/bash

set -e

BACKUP_DIR="{{ snikket_backup_dir }}"
DATA_DIR="{{ snikket_data_dir }}"
CONFIG_DIR="{{ snikket_base_dir }}"
TIMESTAMP=$(date +%F-%H%M)
RETENTION_DAYS={{ snikket_backup_retention_days }}

echo "[$(date)] Starting Snikket backup..."

mkdir -p "$BACKUP_DIR"

echo "Backing up data..."
tar czf "$BACKUP_DIR/snikket-data-$TIMESTAMP.tar.gz" \
    -C "$(dirname "$DATA_DIR")" \
    "$(basename "$DATA_DIR")"

echo "Backing up configs..."
cp "$CONFIG_DIR/snikket.conf" "$BACKUP_DIR/snikket.conf-$TIMESTAMP"
cp "$CONFIG_DIR/docker-compose.yml" "$BACKUP_DIR/docker-compose.yml-$TIMESTAMP"
cp "{{ snikket_nginx_custom_dir }}/snikket.conf" "$BACKUP_DIR/nginx-custom.conf-$TIMESTAMP"

echo "Cleaning up backups older than $RETENTION_DAYS days..."
find "$BACKUP_DIR" -name "snikket-*.tar.gz" -mtime +$RETENTION_DAYS -delete
find "$BACKUP_DIR" -name "*.conf-*" -mtime +$RETENTION_DAYS -delete

echo "[$(date)] Backup completed successfully"
echo "Backup location: $BACKUP_DIR"
du -sh "$BACKUP_DIR"