release.yml

name: Release

on:
  push:
    branches: ["main"]

permissions:
  contents: write
  checks: write
  pull-requests: write

jobs:
  check-version-tag:
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.get_version.outputs.version }}
      prev_version: ${{ steps.prev_version.outputs.tag }}
      is_new_version: ${{ steps.version_exists.outputs.exists == 'false' }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          fetch-tags: true

      - name: Get version from ReflectorNet.csproj
        id: get_version
        shell: bash
        run: |
          version=$(grep -oP '<Version>\K[^<]+' ReflectorNet/ReflectorNet.csproj)
          echo "version=$version" >> $GITHUB_OUTPUT
          echo "Found version: $version"

      - name: Find previous version tag
        id: prev_version
        uses: WyriHaximus/github-action-get-previous-tag@v1

      - name: Check if tag exists
        id: version_exists
        uses: mukunku/tag-exists-action@v1.6.0
        with:
          tag: ${{ steps.get_version.outputs.version }}

      - name: Output version info
        if: steps.version_exists.outputs.exists == 'true'
        run: |
          echo "Version tag '${{ steps.get_version.outputs.version }}' already exists. Skipping release process."

      - name: Output version info
        if: steps.version_exists.outputs.exists == 'false'
        run: |
          echo "Version tag '${{ steps.get_version.outputs.version }}' does not exist. Proceeding with release process."

  build-and-test:
    runs-on: ubuntu-latest
    needs: check-version-tag
    if: needs.check-version-tag.outputs.is_new_version == 'true'
    steps:
      - uses: actions/checkout@v4
      - name: Setup .NET
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: |
            8.0.x
            9.0.x

      - name: Restore dependencies
        run: dotnet restore

      - name: Build
        run: dotnet build --no-restore --configuration Release

      - name: Test
        run: dotnet test --no-build --verbosity normal --configuration Release --logger trx

      - name: Publish Test Results
        uses: EnricoMi/publish-unit-test-result-action@v2
        if: always()
        with:
          files: "**/TestResults/*.trx"
          check_name: "Test Results"
          large_files: true

  publish-release:
    runs-on: ubuntu-latest
    needs: [check-version-tag, build-and-test]
    if: needs.check-version-tag.outputs.is_new_version == 'true'
    outputs:
      version: ${{ needs.check-version-tag.outputs.version }}
      success: ${{ steps.rel_desc.outputs.success }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          fetch-tags: true

      - name: Generate release description
        id: rel_desc
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          set -e
          version=${{ needs.check-version-tag.outputs.version }}
          prev_version=${{ needs.check-version-tag.outputs.prev_version }}
          repo_url="https://github.com/${GITHUB_REPOSITORY}"
          today=$(date +'%B %e, %Y')

          echo "repo_url: $repo_url"
          echo "today: $today"

          echo "# ReflectorNet $version" > release.md
          echo "**Released:** *$today*" >> release.md

          echo "" >> release.md
          echo "---" >> release.md
          echo "" >> release.md

          if [ -n "$prev_version" ]; then
            echo "## Comparison" >> release.md
            echo "See every change: [Compare $prev_version...$version]($repo_url/compare/$prev_version...$version)" >> release.md

            echo "" >> release.md
            echo "---" >> release.md
            echo "" >> release.md

            echo "## Commit Summary (Newest → Oldest)" >> release.md
            for sha in $(git log --pretty=format:'%H' $prev_version..HEAD); do
              username=$(gh api repos/${GITHUB_REPOSITORY}/commits/$sha --jq '.author.login // .commit.author.name')
              message=$(git log -1 --pretty=format:'%s' $sha)
              short_sha=$(git log -1 --pretty=format:'%h' $sha)
              echo "- [\`$short_sha\`]($repo_url/commit/$sha) — $message by @$username" >> release.md
            done
          fi

          printf "release_body<<ENDOFRELEASEBODY\n%s\nENDOFRELEASEBODY\n" "$(cat release.md)" >> $GITHUB_OUTPUT
          echo "success=true" >> $GITHUB_OUTPUT

      - name: Create Tag and Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ needs.check-version-tag.outputs.version }}
          name: ${{ needs.check-version-tag.outputs.version }}
          body: ${{ steps.rel_desc.outputs.release_body }}
          draft: false
          prerelease: false
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  deploy:
    needs: publish-release
    if: needs.publish-release.outputs.success == 'true'
    permissions:
      id-token: write
      contents: read
    uses: ./.github/workflows/deploy.yml
    with:
      version: ${{ needs.publish-release.outputs.version }}