name: Bundle Size Comment
on:
  workflow_run:
    workflows: ["Check"]
    types:
      - completed

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

permissions: {}

jobs:
  comment:
    name: Bundle
    if: github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success'
    runs-on: ubuntu-latest
    permissions:
      actions: read
      pull-requests: write
    timeout-minutes: 1
    steps:
      - name: Download Artifact
        uses: actions/download-artifact@v8
        with:
          name: bundle-stats
          path: bundle-stats
          run-id: ${{ github.event.workflow_run.id }}
          github-token: ${{ secrets.GITHUB_TOKEN }}
      - name: Get stats
        id: stats
        run: |
          {
            echo 'stats<<EOF'
            cat bundle-stats/stats.txt
            echo EOF
          } >> $GITHUB_OUTPUT
      # https://github.com/orgs/community/discussions/25220#discussioncomment-11300118
      - name: Get PR number
        id: pr-context
        env:
          GH_TOKEN: ${{ github.token }}
          PR_TARGET_REPO: ${{ github.repository }}
          PR_BRANCH: |-
            ${{
              (github.event.workflow_run.head_repository.owner.login != github.event.workflow_run.repository.owner.login)
                && format('{0}:{1}', github.event.workflow_run.head_repository.owner.login, github.event.workflow_run.head_branch)
                || github.event.workflow_run.head_branch
            }}
        run: gh pr view --repo "${PR_TARGET_REPO}" "${PR_BRANCH}" --json 'number' --jq '"number=\(.number)"' >> "${GITHUB_OUTPUT}"
      - name: Find Comment
        id: find-comment
        uses: peter-evans/find-comment@v4
        with:
          issue-number: ${{ steps.pr-context.outputs.number }}
          comment-author: "github-actions[bot]"
          body-includes: <!-- This comment was auto-generated by GitHub Actions to display bundle size statistics -->
      - name: Create Comment
        id: comment
        uses: peter-evans/create-or-update-comment@v5
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          BUNDLE_STATS: "${{ steps.stats.outputs.stats }}"
        with:
          comment-id: ${{ steps.find-comment.outputs.comment-id }}
          issue-number: ${{ steps.pr-context.outputs.number }}
          edit-mode: replace
          body: |
            <!-- This comment was auto-generated by GitHub Actions to display bundle size statistics -->
            ## Bundle Size Analysis
            ${{ env.BUNDLE_STATS }}