#!/bin/bash

# Exit on any error
set -e

CONTAINER_NAME="sisvietnam-oracle-sisvietnam-oracle-1"
DUMP_FILE="sisvietnam_backup.dmp"
LOG_FILE="sisvietnam_backup.log"

echo "=== Starting Database Backup ==="
echo "Running expdp inside container: ${CONTAINER_NAME}..."

# Run expdp inside the container
docker exec ${CONTAINER_NAME} expdp sisvietnam/sisvietnam@//localhost:1521/sisvietnam \
  schemas=sisvietnam \
  directory=DATA_PUMP_DIR \
  dumpfile=${DUMP_FILE} \
  logfile=${LOG_FILE} \
  reuse_dumpfiles=y

echo "=== Export Completed ==="
echo "Locating the backup file inside the container..."

# Find the file dynamically because the directory path contains a dynamic GUID
CONTAINER_PATH=$(docker exec ${CONTAINER_NAME} find /opt/oracle/admin/FREE/dpdump/ -name ${DUMP_FILE} | tr -d '\r')

if [ -z "${CONTAINER_PATH}" ]; then
  echo "Error: Could not locate ${DUMP_FILE} inside the container."
  exit 1
fi

echo "Found backup file at: ${CONTAINER_PATH}"
echo "Copying backup to local directory..."

# Copy to host
docker cp "${CONTAINER_NAME}:${CONTAINER_PATH}" "./${DUMP_FILE}"

echo "=== Backup Successfully Created ==="
echo "Saved to: ./${DUMP_FILE}"