#!/bin/bash
# Backup MySQL sebelum sebarang update production
# Guna: ./scripts/backup-db.sh

set -e

BACKUP_DIR="/svr/speech2text/backups"
TIMESTAMP=$(date +%Y%m%d_%H%M%S)
BACKUP_FILE="$BACKUP_DIR/speech2text_$TIMESTAMP.sql.gz"

mkdir -p "$BACKUP_DIR"

echo "Membuat backup database..."
docker compose exec -T mysql mysqldump \
    -u root -p"$MYSQL_ROOT_PASSWORD" \
    --single-transaction \
    --quick \
    speech2text | gzip > "$BACKUP_FILE"

echo "Backup selesai: $BACKUP_FILE"
echo "Saiz: $(du -h $BACKUP_FILE | cut -f1)"

# Padam backup lebih 30 hari
find "$BACKUP_DIR" -name "*.sql.gz" -mtime +30 -delete
echo "Backup lama (>30 hari) dipadam."