name: Comment on the pull request

# read-write repo token
# access to secrets
on:
  workflow_run:
    workflows: ["Next.js Bundle Analysis"]
    types:
      - completed

jobs:
  upload:
    runs-on: ubuntu-latest
    if: >
      github.event.workflow_run.event == 'pull_request' &&
      github.event.workflow_run.conclusion == 'success'
    steps:
      - name: download pr artifact
        uses: dawidd6/action-download-artifact@v2
        with:
          workflow: ${{ github.event.workflow_run.workflow_id }}
          name: pr

      - name: save PR id
        id: pr
        run: echo "::set-output name=id::$(<pr-id.txt)"

      - name: download analysis comment
        uses: dawidd6/action-download-artifact@v2
        with:
          workflow: ${{ github.event.workflow_run.workflow_id }}
          name: analysis_comment
          path: .next/analyze

      - name: Get Comment Body
        id: get-comment-body
        if: success() && steps.pr.outputs.id
        run: |
          echo "body<<EOF" >> $GITHUB_OUTPUT
          echo "$(cat .next/analyze/__bundle_analysis_comment.txt)" >> $GITHUB_OUTPUT
          echo EOF >> $GITHUB_OUTPUT

      - name: Find Comment
        uses: peter-evans/find-comment@v2
        if: success() && steps.pr.outputs.id
        id: fc
        with:
          issue-number: ${{ steps.pr.outputs.id }}
          body-includes: "<!-- __NEXTJS_BUNDLE -->"

      - name: Create Comment
        uses: peter-evans/create-or-update-comment@v2
        if: success() && steps.pr.outputs.id && steps.fc.outputs.comment-id == 0
        with:
          issue-number: ${{ steps.pr.outputs.id }}
          body: ${{ steps.get-comment-body.outputs.body }}

      - name: Update Comment
        uses: peter-evans/create-or-update-comment@v2
        if: success() && steps.pr.outputs.id && steps.fc.outputs.comment-id != 0
        with:
          issue-number: ${{ steps.pr.outputs.id }}
          body: ${{ steps.get-comment-body.outputs.body }}
          comment-id: ${{ steps.fc.outputs.comment-id }}
          edit-mode: replace