#!/usr/bin/env bash
set -euo pipefail

# Script to run scheduled database backups and clean up old files
# This script calls db-backup-standalone.sh and then removes backups older than 7 days

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
BACKUP_SCRIPT="$SCRIPT_DIR/db-backup-standalone.sh"
LOG_FILE="$SCRIPT_DIR/backups/scheduled-backup.log"

# Initialize log file (overwrite if exists)
mkdir -p "$(dirname "$LOG_FILE")"
> "$LOG_FILE"

# Function to log messages
log() {
  local timestamp=$(date '+%Y-%m-%d %H:%M:%S')
  echo "[$timestamp] $*" | tee -a "$LOG_FILE"
}

# Ensure the backup script exists and is executable
if [ ! -f "$BACKUP_SCRIPT" ]; then
  log "Error: Backup script not found at $BACKUP_SCRIPT"
  exit 1
fi

if [ ! -x "$BACKUP_SCRIPT" ]; then
  log "Making backup script executable..."
  chmod +x "$BACKUP_SCRIPT"
fi

# Run the backup
log "Starting database backup..."
"$BACKUP_SCRIPT"

# Delete backups older than 7 days
BACKUP_DIR="${BACKUP_DIR:-backups}"
if [ -d "$BACKUP_DIR" ]; then
  log "Cleaning up backups older than 7 days in $BACKUP_DIR..."
  find "$BACKUP_DIR" -name "mongo-volume-backup-*.tar.gz" -type f -mtime +7 -delete
  log "Cleanup completed."
else
  log "Warning: Backup directory $BACKUP_DIR not found, skipping cleanup."
fi

log "Scheduled backup completed successfully."