# triggers a release or a release candidate based on the version defined in package.json

name: Release

on:
  # Triggers the workflow on push or pull request events but only for the master branch
  # push:
  #   branches: [ master ]
  #   paths-ignore:
  #     - 'images/**'
  #     - '**.md'
  #     - '.all-contributorsrc'
  #     - 'CONTRIBUTORS.md'
  #     - 'chocolatey/**'
  #     - 'bin/scripts/lib/**'
  #     - 'Dockerfile'
  #     - 'install.ps1'
  #     - 'install.sh'
  #     - 'LICENSE'

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

jobs:

  setup-fonts-matrix:
    runs-on: ubuntu-latest
    # If you have a fork and want to run the release workflow, adapt this line:
    if: ${{ github.repository_owner == 'ryanoasis' }}

    steps:
      # Faster version instead of - uses: actions/checkout@v3
      - uses: Bhacaz/checkout-files@v2
        with:
          files: package.json bin/scripts/get-font-names-from-json.sh bin/scripts/lib/fonts.json
          branch: ${{ github.head_ref || github.ref_name }}

      - name: Determine font matrix
        id: set-matrix
        run: |
          cd -- $GITHUB_WORKSPACE/bin/scripts/
          chmod u+x get-font-names-from-json.sh
          fontNames=$(./get-font-names-from-json.sh)
          echo "${fontNames}"
          echo "matrix=${fontNames}" >> $GITHUB_OUTPUT

      - name: Fetch release version
        id: rel_ver
        run: |
          cd -- "$GITHUB_WORKSPACE"
          echo "Contents of package.json:"
          cat package.json
          RELEASE_VERSION=$(jq '.version' package.json | sed 's/[ ",]//g')
          echo "val=$RELEASE_VERSION" >> $GITHUB_OUTPUT

      - name: Determine candidate status
        id: rel_can
        run: |
          if [[ "${{ steps.rel_ver.outputs.val }}" == *"-RC"* ]]; then
            CAN="val=true"
          else
            CAN="val=false"
          fi
          echo "${CAN}"
          echo "${CAN}" >> $GITHUB_OUTPUT

      - name: Determine new release or re-release
        # If the tag exists it is obviously a re-release

        # This would need a complete checkout, that we want to avoid
        # uses: mukunku/tag-exists-action@v1.2.0
        #   with:
        #     tag: "v${{ steps.rel_ver.outputs.val }}"
        #   env:
        #     GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        id: rel_pre_existing
        run: |
          RPE=$(curl -v "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/tags" | jq '.[].name' | grep -q '^"v${{ steps.rel_ver.outputs.val }}"$' \
            && echo "exists=true" || echo "exists=false")
          echo "${RPE}" >> $GITHUB_OUTPUT
          echo "Tag exists: ${RPE}"

      - name: Upload release only on first trigger for release and always on release candidate
        id: upload
        # Upload release when:
        # * This is a new (previously untagged) release
        # * This is a release candidate
        run: |
          if [[ "${{ steps.rel_can.outputs.val }}" == "true" || "${{ steps.rel_pre_existing.outputs.exists }}" == "false" ]]; then
            UP="val=true"
          else
            UP="val=false"
          fi
          echo "${UP}"
          echo "${UP}" >> $GITHUB_OUTPUT

      - name: Determine release timestamp
        id: timestamp
        run: |
          echo "val=$(date +%s)" >> $GITHUB_OUTPUT

      - name: Show outputs
        run: |
          echo "rel_version: ${{ steps.rel_ver.outputs.val }}"
          echo "rel_candidate: ${{ steps.rel_can.outputs.val }}"
          echo "rel_pre_existing: ${{ steps.rel_pre_existing.outputs.exists }}"
          echo "rel_upload: ${{ steps.upload.outputs.val }}"
          echo "rel_timestamp: ${{ steps.timestamp.outputs.val }} ($(date -R --date=@${{ steps.timestamp.outputs.val }}))"

    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
      rel_version: ${{ steps.rel_ver.outputs.val }}
      rel_candidate: ${{ steps.rel_can.outputs.val }}
      rel_pre_existing: ${{ steps.rel_pre_existing.outputs.exists }}
      rel_upload: ${{ steps.upload.outputs.val }}
      rel_timestamp: ${{ steps.timestamp.outputs.val }}

  # Workflow to build and install dependencies
  build:
    # The type of runner that the job will run on
    runs-on: ubuntu-latest

    needs: setup-fonts-matrix

    env:
      GITHUB_ACCESS_TOKEN: ${{ secrets.ACCESS_TOKEN }}
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      RELEASE_VERSION: ${{ needs.setup-fonts-matrix.outputs.rel_version }}
      RELEASE_CANDIDATE: ${{ needs.setup-fonts-matrix.outputs.rel_candidate }}
      SOURCE_DATE_EPOCH: ${{ needs.setup-fonts-matrix.outputs.rel_timestamp }}

    strategy:
      matrix:
        font: ${{fromJson(needs.setup-fonts-matrix.outputs.matrix)}}

    steps:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - uses: actions/checkout@v3
      - name: Check release variables
        run: |
          echo "$RELEASE_VERSION"
          echo "Candidate: $RELEASE_CANDIDATE"
          echo "Publish/refresh release: ${{ needs.setup-fonts-matrix.outputs.rel_upload }}"

      # Install and setup Dependencies
      # @TODO cache the next 4 steps with actions/cache or upload
      - name: Setup core dependencies
        run: |
          sudo apt update -y -q
          sudo apt install software-properties-common -y -q
          sudo apt install python3-fontforge -y -q
          sudo apt install fuse -y -q

      # Ubuntu 20.04 has only fontforge release 2020, but there are some vital bugfixes in the 2022 release
      # This can be replaced with the ordinary apt package when Ubuntu updates, probably with 22.10?
      # On the other hand ... why not be on the latest release always?
      - name: Fetch FontForge
        run: |
          curl -L "https://github.com/fontforge/fontforge/releases/download/20230101/FontForge-2023-01-01-a1dad3e-x86_64.AppImage" \
            --output fontforge
          chmod u+x fontforge
          echo Try appimage
          ./fontforge --version
          export PATH=`pwd`:$PATH
          echo "PATH=$PATH" >> $GITHUB_ENV
          echo Try appimage with path
          fontforge --version

      # It is unclear what this has been needed for
      - name: Setup additional dependencies
        if: false
        run: |
          pip install fonttools --quiet

      # It is unclear what this has been needed for
      - name: Build FreeType from source
        if: false
        run: |
          wget http://downloads.sourceforge.net/project/freetype/freetype2/2.7/freetype-2.7.tar.gz --quiet
          tar -zxf freetype-2.7.tar.gz
          cd freetype-2.7
          ./configure
          make --quiet
          sudo make install --quiet

      # It is unclear what this has been needed for
      - name: Build Harfbuzz from source
        if: false
        run: |
          wget http://www.freedesktop.org/software/harfbuzz/release/harfbuzz-1.3.4.tar.bz2 --quiet
          tar -xjf harfbuzz-1.3.4.tar.bz2
          cd harfbuzz-1.3.4
          ./configure
          make --quiet
          sudo make install --quiet

      - name: Verify setup
        run: |
          fontforge --version
          fontforge --version 2>&1 | grep libfontforge | awk '{print $NF}'

      - name: Bump version for source files
        run: |
          cd -- "$GITHUB_WORKSPACE/bin/scripts"
          ./version-bump.sh "$RELEASE_VERSION"

      - name: Patch all the variations of the font family
        run: |
          cd -- "$GITHUB_WORKSPACE/bin/scripts"
          fontforge --script `pwd`/../../font-patcher --version
          ./gotta-patch-em-all-font-patcher\!.sh -j "/${{ matrix.font }}"

      - name: Archive font packages
        run: |
          cd -- "$GITHUB_WORKSPACE/bin/scripts"
          ./archive-fonts.sh "${{ matrix.font }}"

      - name: Upload zip and tar.xz archive for release
        uses: softprops/action-gh-release@v0.1.15
        if: needs.setup-fonts-matrix.outputs.rel_upload == 'true'
        with:
          draft: true
          prerelease: ${{ env.RELEASE_CANDIDATE != 'false' }}
          tag_name: "v${{ env.RELEASE_VERSION }}"
          files: archives/*

      - name: Upload patched fonts as artifacts
        uses: actions/upload-artifact@v3
        with:
          name: patched-fonts
          # adding multiple paths (i.e. LICENSE) is a workaround to get a least common ancestor
          # of the root directory for artifact path purposes
          path: |
            patched-fonts/${{ matrix.font }}
            LICENSE

  release-font-patcher:
    name: Archive font patcher and add to release
    needs: [ setup-fonts-matrix, build ]

    env:
      GITHUB_ACCESS_TOKEN: ${{ secrets.ACCESS_TOKEN }}
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      RELEASE_VERSION: ${{ needs.setup-fonts-matrix.outputs.rel_version }}
      RELEASE_CANDIDATE: ${{ needs.setup-fonts-matrix.outputs.rel_candidate }}

    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Bump version for source files
        run: |
          cd -- "$GITHUB_WORKSPACE/bin/scripts"
          ./version-bump.sh "$RELEASE_VERSION"

      - name: Archive font-patcher script for release
        run: |
          cd -- "$GITHUB_WORKSPACE/bin/scripts"
          ./archive-font-patcher.sh

      - name: Upload font-patcher archive for release
        uses: softprops/action-gh-release@v0.1.15
        if: needs.setup-fonts-matrix.outputs.rel_upload == 'true'
        with:
          draft: true
          prerelease: ${{ env.RELEASE_CANDIDATE != 'false' }}
          tag_name: "v${{ env.RELEASE_VERSION }}"
          files: archives/*

  commit:
    name: Commit and push patched fonts to the repo, finalize release
    needs: [ setup-fonts-matrix, build, release-font-patcher ]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Prepare repo (clear out old and obsolete fonts)
        run: |
          cd -- "$GITHUB_WORKSPACE/patched-fonts"
          find . -name "*.[to]tf" -exec rm {} \;

      - name: Download patched fonts from build
        id: download-patched-fonts
        uses: actions/download-artifact@v3
        with:
          name: patched-fonts
          path: .

      - name: Bump version for source files
        env:
          RELEASE_VERSION: ${{ needs.setup-fonts-matrix.outputs.rel_version }}
          RELEASE_CANDIDATE: ${{ needs.setup-fonts-matrix.outputs.rel_candidate }}
        run: |
          cd -- "$GITHUB_WORKSPACE/bin/scripts"
          ./version-bump.sh "$RELEASE_VERSION"

      - name: Commit version bump changes
        # If there are no changes (i.e. we already have that bump commit from a previous run)
        # the git commit will fail as empty commit (that we do not explicitely allow here),
        # and the action fails silently (i.e. without stopping the job).
        # This means there will be only one commit in the repo for each version tag change,
        # regardless of how often we run the release CI.
        uses: EndBug/add-and-commit@v9
        with:
          fetch: false
          add: "['font-patcher', 'bin/scripts']"
          message: "[ci] Bump release version"
          committer_name: GitHub Actions
          committer_email: 41898282+github-actions[bot]@users.noreply.github.com

      - name: Commit patched fonts back to repo
        uses: EndBug/add-and-commit@v9
        with:
          fetch: false
          add: 'patched-fonts'
          message: "[ci] Rebuild patched fonts"
          committer_name: GitHub Actions
          committer_email: 41898282+github-actions[bot]@users.noreply.github.com

      - name: Generate fontconfig
        run: |
          cd -- "$GITHUB_WORKSPACE/bin/scripts"
          ./generate-fontconfig.sh

      - name: Commit fontconfig back to repo
        uses: EndBug/add-and-commit@v9
        with:
          fetch: false
          add: '10-nerd-font-symbols.conf'
          message: "[ci] Regenerate fontconfig"
          committer_name: GitHub Actions
          committer_email: 41898282+github-actions[bot]@users.noreply.github.com

      - name: Generate new CSS file and webfonts
        run: |
          sudo apt update -y -q
          sudo apt install fontforge -y -q
          cd -- "$GITHUB_WORKSPACE/bin/scripts"
          ./generate-css.sh
          ./generate-webfonts.sh

      - name: Commit CSS back to repo
        uses: EndBug/add-and-commit@v9
        id: push_css
        with:
          fetch: false
          add: "['css', 'glyphnames.json']"
          message: "[ci] Regenerate CSS files"
          committer_name: GitHub Actions
          committer_email: 41898282+github-actions[bot]@users.noreply.github.com

      - name: Deploy CSS to gh-pages
        uses: JamesIves/github-pages-deploy-action@v4
        if: steps.push_css.outputs.pushed
        with:
          folder: css
          target-folder: _includes/css
          commit-message: "[ci] Regenerate CSS files"
          git-config-name: GitHub Actions
          git-config-email: 41898282+github-actions[bot]@users.noreply.github.com
          clean: false

      - name: Deploy Cheat Sheet to gh-pages
        uses: JamesIves/github-pages-deploy-action@v4
        if: steps.push_css.outputs.pushed
        with:
          folder: temp
          target-folder: _posts
          commit-message: "[ci] Regenerate Cheat Sheet"
          git-config-name: GitHub Actions
          git-config-email: 41898282+github-actions[bot]@users.noreply.github.com
          clean: false

      - name: Deploy webfonts to gh-pages
        uses: JamesIves/github-pages-deploy-action@v4
        with:
          folder: webfonts
          target-folder: assets/fonts
          commit-message: "[ci] Update webfonts"
          git-config-name: GitHub Actions
          git-config-email: 41898282+github-actions[bot]@users.noreply.github.com
          clean: false

      - name: Adjust release tag to include previous commit
        uses: EndBug/latest-tag@v1.5.1
        if: needs.setup-fonts-matrix.outputs.rel_upload == 'true'
        with:
          ref: "v${{ needs.setup-fonts-matrix.outputs.rel_version }}"