name: Create PR Comments

on:
  workflow_run:
    workflows: [ "PR Validation" ]
    types: [completed]

permissions:
  contents: read
  actions: read
  pull-requests: write

jobs:
  pr-comment:
    name: Post Test Result as PR comment
    runs-on: ubuntu-24.04
    if: github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion != 'cancelled'

    steps:
      - name: Download CTRF artifact
        uses: dawidd6/action-download-artifact@v8
        with:
          github_token: ${{ github.token }}
          run_id: ${{ github.event.workflow_run.id }}
          name: ctrf-report
          path: ctrf

      - name: Download PR Number Artifact
        uses: dawidd6/action-download-artifact@v8
        with:
          github_token: ${{ github.token }}
          run_id: ${{ github.event.workflow_run.id }}
          name: pr_number
          path: pr_number

      - name: Read PR Number
        run: |
          set -Eeuo pipefail
          FILE='pr_number/pr_number.txt'

          # Ensure file exists
          if [ ! -f "$FILE" ] || [ -L "$FILE" ]; then
            echo "Error: $FILE is missing or is not a regular file." >&2
            exit 1
          fi

          # Chec file size
          if [ "$(wc -c < "$FILE" | tr -d ' ')" -gt 200 ]; then
            echo "Error: $FILE is too large." >&2
            exit 1
          fi

          # Read first line
          PR_NUMBER=""
          IFS= read -r PR_NUMBER < "$FILE" || true

          # Validate whether it's a number
          if ! [[ "$PR_NUMBER" =~ ^[0-9]{1,10}$ ]]; then
            echo "Error: PR_NUMBER is not a valid integer on the first line." >&2
            exit 1
          fi

          printf 'PR_NUMBER=%s\n' "$PR_NUMBER" >> "$GITHUB_ENV"

      - name: Post PR Comment
        uses: ctrf-io/github-test-reporter@v1
        with:
          report-path: 'ctrf/**/*.json'
          issue: ${{ env.PR_NUMBER }}

          summary: true
          pull-request: true
          use-suite-name: true
          update-comment: true
          always-group-by: true
          overwrite-comment: true
          upload-artifact: false

          pull-request-report: true
        env:
          GITHUB_TOKEN: ${{ github.token }}