#!/bin/bash
set -euo pipefail

cd /home/ubuntu/Bgreen/AyposWeb

echo "Fetching latest changes from origin/main..."
git fetch origin main

CHANGED_FILES=$(git diff --name-only HEAD origin/main || true)

if [ -z "$CHANGED_FILES" ]; then
  echo "No file changes detected."
else
  echo "Changed files:"
  echo "$CHANGED_FILES"
fi

git reset --hard origin/main

FRONTEND_CHANGED=false

if echo "$CHANGED_FILES" | grep -qv "README\.md$"; then
  FRONTEND_CHANGED=true
fi

if [ "$FRONTEND_CHANGED" = true ]; then
  echo "Frontend changes detected."

  if echo "$CHANGED_FILES" | grep -qE "^(package\.json|package-lock\.json)$"; then
    echo "Package files changed. Running npm install and build..."
    npm install
    npm run build
  else
    echo "Only code changes detected. Running build..."
    npm run build
  fi

  cd ..
  echo "Rebuilding frontend container..."
  docker compose up -d --build aypos-frontend
else
  echo "No frontend changes."
fi

echo "Deployment complete."