#!/bin/bash

# Backup script for recipes database
set -e

SERVICE_NAME="recipes"
BACKUP_DIR="${BACKUP_DIR:-./backups}"
TIMESTAMP=$(date +%Y%m%d_%H%M%S)
BACKUP_FILE="${BACKUP_DIR}/${SERVICE_NAME}_backup_${TIMESTAMP}.sql"

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

echo "Starting backup for $SERVICE_NAME database..."

# Get database credentials from Kubernetes secrets
DB_USER=$(kubectl get secret database-secrets -n bakery-ia -o jsonpath='{.data.RECIPES_DB_USER}' | base64 -d)
DB_NAME=$(kubectl get configmap bakery-config -n bakery-ia -o jsonpath='{.data.RECIPES_DB_NAME}')

# Get the pod name
POD_NAME=$(kubectl get pods -n bakery-ia -l app.kubernetes.io/name=recipes-db -o jsonpath='{.items[0].metadata.name}')

if [ -z "$POD_NAME" ]; then
    echo "Error: Could not find recipes database pod"
    exit 1
fi

echo "Backing up to: $BACKUP_FILE"
kubectl exec "$POD_NAME" -n bakery-ia -- pg_dump -U "$DB_USER" "$DB_NAME" > "$BACKUP_FILE"

if [ $? -eq 0 ]; then
    echo "Backup completed successfully: $BACKUP_FILE"
    # Compress the backup
    gzip "$BACKUP_FILE"
    echo "Backup compressed: ${BACKUP_FILE}.gz"
else
    echo "Backup failed"
    exit 1
fi