icon-review.yml

name: Icon Review

on:
  pull_request_target:
    paths:
      - 'icons/*.svg'

permissions:
  contents: read

jobs:
  icon-review:
    name: Icon Review
    runs-on: ubuntu-latest
    env:
      TARGET_BRANCH: ${{ github.event.pull_request.base.ref }}

    permissions:
      pull-requests: write

    steps:
      - name: Checkout Fork 🛎️
        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
        with:
          ref: ${{ github.event.pull_request.head.ref }}
          repository: ${{ github.event.pull_request.head.repo.full_name }}
          fetch-depth: 0
          path: fork
          persist-credentials: false

      - name: Checkout Original 🛎️
        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
        with:
          fetch-depth: 0
          path: main
          persist-credentials: false

      - name: Review SVG files 🔍
        working-directory: main
        run: |
          files=$(git diff --no-index ../main ../fork --diff-filter=ACMRTUX --name-only | grep '.svg$')
          filesCount=$(echo "$files" | wc -l)
          npx svg-icon-review@1.1.0 --bigIcon ${files}
          echo svg_files_count=$filesCount >> $GITHUB_ENV

      - name: Upload PNG ⬆️
        env:
          IMAGE_UPLOAD: ${{ secrets.IMAGE_UPLOAD }}
        id: upload
        run: |
          IMAGE_URL=$(curl --location 'https://freeimage.host/json' --form 'source=@"./main/preview.png"' --form 'type="file"' --form 'action="upload"' --form 'auth_token="${{env.IMAGE_UPLOAD}}"' | jq -r '.image.url')
          echo image_url=$IMAGE_URL >> $GITHUB_ENV

      - name: Generate text 📃
        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          script: |
            const imageURL = "${{ env.image_url }}";
            const image = `<img src="${imageURL}" alt="Generated preview" />`;

            let preview = "";

            if (parseInt("${{ env.svg_files_count }}") > 10) {
              preview = `<details><summary>🏞️ <b>Generated preview</b></summary><br/>${image}</details>`;
            } else {
              preview = image;
            }

            const comment = `
              ## Preview

              Thank you for creating a pull request. This preview shows you how your changes will look on the different themes:

              ${preview}

              You can also check how your icon fits in a 16x16 grid in the following link: [Pixel Perfect Checker](https://pixp.lucode.ar/lucodear/lucodear-icons/pull/${{ github.event.pull_request.number }}).

              You can find more information on how to contribute in the [contribution guidelines](https://github.com/material-extensions/vscode-material-icon-theme/blob/main/CONTRIBUTING.md).
            `;

            // write comment to environment variable
            core.exportVariable('comment', comment);

      - name: Find comment if exists 🕵️
        uses: peter-evans/find-comment@3eae4d37986fb5a8592848f6a574fdf654e61f9e # v3.1.0
        id: fc
        with:
          issue-number: ${{ github.event.pull_request.number }}
          comment-author: 'github-actions[bot]'
          body-includes: This preview shows you how your changes will look on the different themes

      - name: Post or update comment in PR ✍️
        uses: peter-evans/create-or-update-comment@71345be0265236311c031f5c7866368bd1eff043 # v4.0.0
        with:
          comment-id: ${{ steps.fc.outputs.comment-id }}
          issue-number: ${{ github.event.pull_request.number }}
          body: |
            ${{ env.comment }}
          edit-mode: replace