name: Optimize images

on:
  push:
    branches: [ main, master ]
    paths:
      - 'src/assets/**'
      - 'assets/**'
  pull_request:
    paths:
      - 'src/assets/**'
      - 'assets/**'
  workflow_dispatch: {}

jobs:
  optimize:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '18'
          cache: 'npm'

      - name: Install dependencies
        run: npm ci

      - name: Run image optimizer
        run: npm run optimize-images

      - name: Commit optimized images
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add public/images || true
          if ! git diff --staged --quiet; then
            git commit -m "chore(images): add optimized WebP images [skip ci]" || echo "no changes to commit"
            git push
          else
            echo "No optimized images to commit"
          fi