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

if [ "$#" -lt 2 ] || [ "$#" -gt 3 ]; then
  echo "Usage: $0 <project_dir> <app_name> [ecosystem_file]"
  echo "Example: $0 /home/ubuntu/JezzWTF/zap zap ecosystem.config.cjs"
  exit 1
fi

PROJECT_DIR="$1"
APP_NAME="$2"
ECOSYSTEM_FILE="${3:-ecosystem.config.cjs}"

if [ ! -d "$PROJECT_DIR" ]; then
  echo "ERROR: project directory not found: $PROJECT_DIR"
  exit 1
fi

ECOSYSTEM_PATH="$PROJECT_DIR/$ECOSYSTEM_FILE"
if [ ! -f "$ECOSYSTEM_PATH" ]; then
  echo "ERROR: ecosystem file not found: $ECOSYSTEM_PATH"
  exit 1
fi

cd "$PROJECT_DIR"

echo "Recreating PM2 app '$APP_NAME' from '$ECOSYSTEM_FILE'..."
pm2 delete "$APP_NAME" >/dev/null 2>&1 || true
pm2 start "$ECOSYSTEM_PATH"
pm2 save

echo "Done. Current PM2 status:"
pm2 ls