name: Create Release
on:
  push:
    tags:
      - 'v*'
jobs:
  release:
    permissions:
      contents: write
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: calculate previous tag
        run: |
          git fetch --tags origin
          PREVIOUS_TAG=$(git tag --sort=-creatordate | sed -n '2 p')
          echo $PREVIOUS_TAG 
          echo "PREVIOUS_TAG=$PREVIOUS_TAG" >> "$GITHUB_ENV"

      - name: generate release notes from template
        id: release-notes
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          NOTES=$(gh api \
          --method POST \
          -H "Accept: application/vnd.github+json" \
          -H "X-GitHub-Api-Version: 2022-11-28" \
          /repos/krkn-chaos/krkn/releases/generate-notes \
          -f "tag_name=${{ github.ref_name }}" -f "target_commitish=main" -f "previous_tag_name=${{ env.PREVIOUS_TAG }}" | jq -r .body)
          echo "NOTES<<EOF" >> $GITHUB_ENV
          echo "$NOTES" >> $GITHUB_ENV
          echo "EOF" >> $GITHUB_ENV

      - name: replace placeholders in template
        run: |
          echo "${{ env.NOTES }}"
          TEMPLATE=$(cat .github/release-template.md)
          VERSION=${{ github.ref_name }}
          NOTES="${{ env.NOTES }}"
          OUTPUT=${TEMPLATE//\{VERSION\}/$VERSION}
          OUTPUT=${OUTPUT//\{CHANGES\}/$NOTES}
          echo "$OUTPUT" > release-notes.md
      - name: create release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          gh release create ${{ github.ref_name }} --title "${{ github.ref_name }}"  -F release-notes.md

      - name: Install Syft
        run: |
          curl -sSfL https://raw.githubusercontent.com/anchore/syft/main/install.sh | sudo sh -s -- -b /usr/local/bin

      - name: Generate SBOM
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          syft . --scope all-layers --output cyclonedx-json > sbom.json
          echo "SBOM generated successfully!"
          gh release upload ${{ github.ref_name }} sbom.json