# Release from a dispatch event from the danklinux repo
name: Create Release from DMS

on:
  repository_dispatch:
    types: [dms_release]

permissions:
  contents: write

concurrency:
  group: release-${{ github.event.client_payload.tag }}
  cancel-in-progress: true

jobs:
  create_release_from_dms:
    runs-on: ubuntu-24.04
    env:
      TAG: ${{ github.event.client_payload.tag }}
      DMS_REPO: ${{ github.event.client_payload.dms_repo }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Ensure VERSION and tag
        run: |
          set -euxo pipefail
          git config user.name  "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

          # create/update VERSION file to match incoming tag
          echo "${TAG}" > VERSION
          if ! git diff --quiet -- VERSION; then
            git add VERSION
            git commit -m "Add VERSION file for ${TAG} (from DMS)"
          fi

          # If tag doesn't exist (or differs), (re)create it
          if git rev-parse -q --verify "refs/tags/${TAG}" >/dev/null; then
            echo "Tag ${TAG} already exists"
          else
            git tag "${TAG}"
          fi

          # Push commit (if any) and tag
          git push --follow-tags origin HEAD

      - name: Generate Changelog
        id: changelog
        run: |
          set -e
          PREVIOUS_TAG=$(git describe --tags --abbrev=0 "${TAG}^" 2>/dev/null || echo "")
          if [ -z "$PREVIOUS_TAG" ]; then
            CHANGELOG=$(git log --oneline --pretty=format:"- %s (%h)" | head -50)
          else
            CHANGELOG=$(git log --oneline --pretty=format:"- %s (%h)" "${PREVIOUS_TAG}..${TAG}")
          fi

          cat > CHANGELOG.md << EOF
          ## What's Changed

          $CHANGELOG

          **Full Changelog**: https://github.com/${{ github.repository }}/compare/${PREVIOUS_TAG}...${TAG}
          EOF

          echo "changelog<<EOF" >> $GITHUB_OUTPUT
          cat CHANGELOG.md >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      - name: Create/Update DankMaterialShell Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ env.TAG }}
          name: Release ${{ env.TAG }}
          body: ${{ steps.changelog.outputs.changelog }}
          draft: false
          prerelease: ${{ contains(env.TAG, '-') }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Download DMS release assets
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          set -euxo pipefail
          # gh is preinstalled on ubuntu-24.04; auth via GH_TOKEN env
          gh release download "${TAG}" -R "${DMS_REPO}" --dir ./_dms_assets

      - name: Attach DMS assets to DankMaterialShell release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ env.TAG }}
          files: _dms_assets/**
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}