#!/bin/bash
# Immich Database Backup Script

BACKUP_DIR=~/immich/backups
TIMESTAMP=$(date +%Y%m%d_%H%M%S)
BACKUP_FILE="$BACKUP_DIR/immich-db-$TIMESTAMP.sql.gz"

# Create backup directory if it doesn't exist
mkdir -p "$BACKUP_DIR"

echo "Starting database backup: $(date)"

# Create backup
cd ~/immich
docker-compose exec -T postgres pg_dumpall -U postgres | gzip > "$BACKUP_FILE"

if [ $? -eq 0 ]; then
    echo "✓ Backup successful: $BACKUP_FILE"

    # Get backup size
    SIZE=$(du -h "$BACKUP_FILE" | cut -f1)
    echo "  Size: $SIZE"

    # Keep only last 30 days of backups
    find "$BACKUP_DIR" -name "immich-db-*.sql.gz" -mtime +30 -delete

    # Count remaining backups
    COUNT=$(ls -1 "$BACKUP_DIR"/immich-db-*.sql.gz 2>/dev/null | wc -l)
    echo "  Total backups: $COUNT"
else
    echo "✗ Backup failed!"
    exit 1
fi

echo "Backup completed: $(date)"