name: Automatic Release Creation

on:
  workflow_dispatch:

jobs:
  create-metadata:
    runs-on: ubuntu-latest
    outputs:
      hash: ${{ steps.last-release.outputs.hash }}
      version: ${{ steps.create-version.outputs.version}}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Get last release hash
        id: last-release
        run: |
          HASH=$(git rev-list --tags --max-count=1 || echo "HEAD~1")
          echo "hash=${HASH}" >> $GITHUB_OUTPUT
          echo "Using last release hash: ${HASH}"

      - name: Install uv
        uses: astral-sh/setup-uv@v5

      - name: Create version name
        id: create-version
        run: |
          VERSION=$(uv run --script scripts/release.py generate-version)
          echo "version $VERSION"
          echo "version=$VERSION" >> $GITHUB_OUTPUT

      - name: Create notes
        run: |
          HASH="${{ steps.last-release.outputs.hash }}"
          uv run --script scripts/release.py generate-notes --directory src/ $HASH > RELEASE_NOTES.md
          cat RELEASE_NOTES.md

      - name: Release notes
        uses: actions/upload-artifact@v4
        with:
          name: release-notes
          path: RELEASE_NOTES.md

  update-packages:
    needs: [create-metadata]
    runs-on: ubuntu-latest
    outputs:
      changes_made: ${{ steps.commit.outputs.changes_made }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Install uv
        uses: astral-sh/setup-uv@v5

      - name: Update packages
        run: |
          HASH="${{ needs.create-metadata.outputs.hash }}"
          uv run --script scripts/release.py update-packages --directory src/ $HASH

      - name: Configure git
        run: |
          git config --global user.name "GitHub Actions"
          git config --global user.email "actions@github.com"

      - name: Commit changes
        id: commit
        run: |
          VERSION="${{ needs.create-metadata.outputs.version }}"
          git add -u
          if git diff-index --quiet HEAD; then
            echo "changes_made=false" >> $GITHUB_OUTPUT
          else
            git commit -m 'Automatic update of packages'
            git tag -a "$VERSION" -m "Release $VERSION"
            git push origin "$VERSION"
            echo "changes_made=true" >> $GITHUB_OUTPUT
          fi

  create-release:
    needs: [update-packages, create-metadata]
    if: needs.update-packages.outputs.changes_made == 'true'
    runs-on: ubuntu-latest
    environment: release
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v4

      - name: Download release notes
        uses: actions/download-artifact@v4
        with:
          name: release-notes

      - name: Create release
        env:
          GH_TOKEN: ${{ secrets.RELEASE_TOKEN }}
        run: |
          VERSION="${{ needs.create-metadata.outputs.version }}"
          gh release create "$VERSION" \
            --title "Release $VERSION" \
            --notes-file RELEASE_NOTES.md