release.yml

name: Release

on:
  workflow_dispatch:
    inputs:
      version:
        description: 'Version number (e.g. 1.3.0)'
        required: true
        type: string

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

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Validate version input
        run: |
          VERSION="${{ github.event.inputs.version }}"
          VERSION="${VERSION#v}"
          if ! echo "$VERSION" | grep -qE '^[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?$'; then
            echo "::error::Invalid version '${{ github.event.inputs.version }}'. Expected format: 1.2.3 or 1.2.3-alpha1 (optional v prefix)"
            exit 1
          fi
          echo "VERSION=$VERSION" >> "$GITHUB_ENV"

      - name: Stamp version in plugin header
        run: |
          sed -i "s/^ \* Version:.*/ * Version: ${{ env.VERSION }}/" freespoke-search.php

      - name: Generate changelog
        id: changelog
        run: |
          PREV_TAG=$(gh release list --limit 1 --json tagName --jq '.[0].tagName // empty' 2>/dev/null || echo "")
          if [ -n "$PREV_TAG" ]; then
            DIFF=$(git diff "$PREV_TAG"..HEAD --stat && echo "---" && git diff "$PREV_TAG"..HEAD -- '*.php' '*.js' | head -c 8000)
          else
            DIFF="Initial release — no previous tag"
          fi

          NOTES=$(curl -s https://models.github.ai/inference/chat/completions \
            -H "Authorization: Bearer $GITHUB_TOKEN" \
            -H "Content-Type: application/json" \
            -d "$(jq -n --arg diff "$DIFF" '{
              model: "openai/gpt-4.1-mini",
              messages: [{
                role: "user",
                content: ("Write a concise, user-facing changelog in markdown for a WordPress plugin release. Summarize what changed based on this diff. No preamble, just bullet points:\n\n" + $diff)
              }]
            }')" | jq -r '.choices[0].message.content // "Release v${{ env.VERSION }}"')

          printf '%s\n' "$NOTES" > changelog.md
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Create plugin zip
        run: |
          zip -r freespoke-search.zip . -x '.git/**' '.github/**' 'tests/**' 'phpunit.xml' 'composer.json' 'composer.lock' 'changelog.md'

      - name: Create GitHub release
        run: |
          gh release create "v${{ env.VERSION }}" \
            freespoke-search.zip \
            --title "v${{ env.VERSION }}" \
            --notes-file changelog.md
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Generate update.json for GitHub Pages
        run: |
          mkdir -p _pages
          cat > _pages/update.json <<EOF
          {
            "version": "${{ env.VERSION }}",
            "download_url": "https://github.com/${{ github.repository }}/releases/download/v${{ env.VERSION }}/freespoke-search.zip",
            "requires": "6.0",
            "requires_php": "8.1",
            "tested": "6.7",
            "homepage": "https://freespoke.com/widgets",
            "description": "Embed the Freespoke Search Widget and automatically publish your content to Freespoke's search index."
          }
          EOF

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

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