name: Release

on:
  push:
    tags:
      - '*'

jobs:
  release:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      id-token: write
      attestations: write
      artifact-metadata: write

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  # Full history for changelog generation

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

      - name: Install dependencies
        run: npm ci

      - name: Validate release version
        run: node scripts/check-release-version.mjs "${{ github.ref_name }}"

      - name: Build
        run: npm run build

      - name: Generate artifact attestations
        uses: actions/attest@v4
        with:
          subject-path: |
            main.js
            manifest.json
            styles.css

      - name: Get previous tag
        id: prev_tag
        run: |
          PREV_TAG=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || echo "")
          echo "tag=$PREV_TAG" >> $GITHUB_OUTPUT

      - name: Generate changelog
        id: changelog
        run: |
          if [ -n "${{ steps.prev_tag.outputs.tag }}" ]; then
            CHANGELOG=$(git log ${{ steps.prev_tag.outputs.tag }}..HEAD --pretty=format:"- %s" --no-merges | grep -v "^- ${{ github.ref_name }}$" || true)
          else
            CHANGELOG=$(git log --pretty=format:"- %s" --no-merges | head -20)
          fi
          # Handle multiline output
          echo "notes<<EOF" >> $GITHUB_OUTPUT
          echo "$CHANGELOG" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v1
        with:
          body: |
            ## What's Changed
            ${{ steps.changelog.outputs.notes }}

            **Full Changelog**: https://github.com/${{ github.repository }}/compare/${{ steps.prev_tag.outputs.tag }}...${{ github.ref_name }}
          files: |
            main.js
            manifest.json
            styles.css