deploy.yml

name: deploy
# Deploy the site to GitHub Pages
on:
  push:
    branches: ["main"]
    paths-ignore:
      - '.github/**'
  workflow_dispatch:
    inputs:
      confirm_manual_deploy:
        description: 'Are you *sure* a manual deployment is absolutely necessary?'
        required: true
        type: boolean
        default: false

permissions:
  contents: write
  pages: write
  id-token: write

concurrency:
  group: "pages"
  cancel-in-progress: false

jobs:
  thumbnails:
    runs-on: ubuntu-latest
    if: github.event_name != 'workflow_dispatch' || inputs.confirm_manual_deploy

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Check if we need to generate thumbnails
        id: check_changes
        run: |
          if [[ "${{ github.event_name }}" == "workflow_dispatch" ]] || git diff --name-only HEAD^ HEAD | grep -q "assets/images/fulls/"; then
            echo "Changes detected in assets/images/fulls/ or workflow dispatched manually, generating thumbnails"
            echo "changes_detected=true" >> $GITHUB_OUTPUT
            exit 0
          fi
          echo "No changes detected in assets/images/fulls/, skipping thumbnail generation"
          echo "changes_detected=false" >> $GITHUB_OUTPUT
         
      - name: Install FUSE and ImageMagick 7
        if: steps.check_changes.outputs.changes_detected == 'true'
        run: |
          sudo apt-get update
          sudo apt-get install -y fuse
          wget -q https://imagemagick.org/archive/binaries/magick
          chmod +x magick
          sudo mv magick /usr/local/bin/
          magick -version

      - name: Create thumbs directory if not exists
        if: steps.check_changes.outputs.changes_detected == 'true'
        run: mkdir -p assets/images/thumbs

      - name: Generate thumbnails
        if: steps.check_changes.outputs.changes_detected == 'true'
        run: |
          rm assets/images/thumbs/*.jpg
          for img in assets/images/fulls/*.jpg; do
            filename=$(basename "$img")
              magick "$img" -resize "500x" "assets/images/thumbs/$filename"
          done

      - name: Generate Image List
        id: generate-list
        if: steps.check_changes.outputs.changes_detected == 'true'
        run: |
          rm archive/README.md
          {
            echo "[//]: # (This file is managed by the generate-list step in the deploy GitHub Action. Changes will be overwritten.)" 
            echo "# Image Archive Gallery"
            echo "" 
            echo "Thank you for taking the time to view our gallery, exploring some of the photographic history of our band. We hope you enjoy the images of our band members and performances." 
            echo "" 
            for img in $(ls assets/images/fulls); do
              thumb="https://efpb.org/assets/images/thumbs/$img"
              full="https://efpb.org/assets/images/fulls/$img"
              echo "[![$img]($thumb)]($full)"
              echo ""
              echo ""
            done
            echo "" 
            echo "Return to the [Main Gallery](https://efpb.org)" 
            echo "" 
          } > archive/README.md


      - name: Commit and push if changed
        if: steps.check_changes.outputs.changes_detected == 'true'
        run: |
          git config --local user.email "github-actions[bot]@users.noreply.github.com"
          git config --local user.name "github-actions[bot]"
          git add assets/images/thumbs/
          git add archive/README.md
          git diff --quiet && git diff --staged --quiet || (git commit -m "Generate thumbnails" && git push)

  build:
    needs: thumbnails
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Check markdown files have corresponding images
        run: |
          # Check if each markdown file has a corresponding full-size image
          for md_file in _images/*.md; do
            base_name=$(basename "$md_file" .md)
            if [ ! -f "assets/images/fulls/$base_name.jpg" ]; then
              echo "Error: Missing image for $md_file"
              echo "Expected: assets/images/fulls/$base_name.jpg"
              echo "Please ensure that all _images/*.md files have corresponding images in assets/images/fulls/"
              exit 1
            fi
          done

          # Check if each markdown file has a corresponding thumbnail image
          for md_file in _images/*.md; do
            base_name=$(basename "$md_file" .md)
            if [ ! -f "assets/images/thumbs/$base_name.jpg" ]; then
              echo "Error: Missing thumbnail for $md_file"
              echo "Expected: assets/images/thumbs/$base_name.jpg"
              echo "Please ensure that all _images/*.md files have corresponding thumbnails in assets/images/thumbs/"
              exit 1
            fi
          done

          # Check if each image has a corresponding markdown file
          for img_file in assets/images/fulls/*.jpg; do
            base_name=$(basename "$img_file" .jpg)
            if [ ! -f "_images/$base_name.md" ]; then
              echo "⚠️ Warning: Missing markdown file for $img_file"
              echo "Expected: _images/$base_name.md"
              echo "If you want the image to be displayed, please ensure that it has a corresponding markdown file in _images/"
              echo "This will not break the build, but the image will not be displayed on the main gallery"
            fi
          done

          echo "✅ All _images markdown files have corresponding full and thumbnail images"

      - name: Setup Ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: '3.2'

      - name: Install Dependencies
        run: |
          gem install bundler
          bundle install

      - name: Build with Jekyll
        run: bundle exec jekyll build
        env:
          JEKYLL_ENV: production
          PAGES_REPO_NWO: ${{ github.repository }}
          JEKYLL_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Upload artifact
        uses: actions/upload-pages-artifact@v3
        with:
          path: _site

  deploy:
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4