name: Publish Test Results
on:
  workflow_run:
    workflows: ["tests 1", "tests 2"]
    types:
      - completed
jobs:
  merge-reports:
    permissions:
      pull-requests: write
      checks: write
    if: ${{ github.event.workflow_run.event == 'pull_request' }}
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - uses: actions/setup-node@v4
      with:
        node-version: 18

    - run: npm ci
      env:
        DEBUG: pw:install
        PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: 1
    - run: npm run build

    - name: Download blob report artifact
      uses: ./.github/actions/download-artifact
      with:
        namePrefix: 'blob-report'
        path: 'all-blob-reports'

    - name: Merge reports
      run: |
        npx playwright merge-reports --config .github/workflows/merge.config.ts ./all-blob-reports
      env:
        NODE_OPTIONS: --max-old-space-size=4096

    - name: Upload HTML report to Azure
      run: |
        REPORT_DIR='run-${{ github.event.workflow_run.id }}-${{ github.event.workflow_run.run_attempt }}-${{ github.sha }}'
        azcopy cp --recursive "./playwright-report/*" "https://mspwblobreport.blob.core.windows.net/\$web/$REPORT_DIR"
        echo "Report url: https://mspwblobreport.z1.web.core.windows.net/$REPORT_DIR/index.html"
      env:
        AZCOPY_AUTO_LOGIN_TYPE: SPN
        AZCOPY_SPA_APPLICATION_ID: '${{ secrets.AZCOPY_SPA_APPLICATION_ID }}'
        AZCOPY_SPA_CLIENT_SECRET: '${{ secrets.AZCOPY_SPA_CLIENT_SECRET }}'
        AZCOPY_TENANT_ID: '${{ secrets.AZCOPY_TENANT_ID }}'

    - name: Read pull request number
      uses: ./.github/actions/download-artifact
      with:
        namePrefix: 'pull-request'
        path: '.'

    - name: Comment on PR
      uses: actions/github-script@v6
      with:
        github-token: ${{ secrets.GITHUB_TOKEN }}
        script: |
          const fs = require('fs');
          let prNumber;
          if (context.payload.workflow_run.event === 'pull_request') {
            const prs = context.payload.workflow_run.pull_requests;
            if (prs.length) {
              prNumber = prs[0].number;
            } else {
              prNumber = parseInt(fs.readFileSync('pull_request_number.txt').toString());
              console.log('Read pull request number from file: ' + prNumber);
            }
          } else {
            core.error('Unsupported workflow trigger event: ' + context.payload.workflow_run.event);
            return;
          }
          if (!prNumber) {
            core.error('No pull request found for commit ' + context.sha + ' and workflow triggered by: ' + context.payload.workflow_run.event);
            return;
          }
          {
            // Mark previous comments as outdated by minimizing them.
            const { data: comments } = await github.rest.issues.listComments({
              ...context.repo,
              issue_number: prNumber,
            });
            for (const comment of comments) {
              if (comment.user.login === 'github-actions[bot]' && /\[Test results\]\(https:\/\/.+?\) for "${{ github.event.workflow_run.name }}"/.test(comment.body)) {
                await github.graphql(`
                  mutation {
                    minimizeComment(input: {subjectId: "${comment.node_id}", classifier: OUTDATED}) {
                      clientMutationId
                    }
                  }
                `);
              }
            }
          }
          const reportDir = 'run-${{ github.event.workflow_run.id }}-${{ github.event.workflow_run.run_attempt }}-${{ github.sha }}';
          const reportUrl = `https://mspwblobreport.z1.web.core.windows.net/${reportDir}/index.html#?q=s%3Afailed%20s%3Aflaky`;
          core.notice('Report url: ' + reportUrl);
          const mergeWorkflowUrl = `${context.serverUrl}/${context.repo.owner}/${context.repo.repo}/actions/runs/${context.runId}`;
          const reportMd = await fs.promises.readFile('report.md', 'utf8');
          function formatComment(lines) {
            let body = lines.join('\n');
            if (body.length > 65535)
              body = body.substring(0, 65000) + `... ${body.length - 65000} more characters`;
            return body;
          }
          const { data: response } = await github.rest.issues.createComment({
            ...context.repo,
            issue_number: prNumber,
            body: formatComment([
              `### [Test results](${reportUrl}) for "${{ github.event.workflow_run.name }}"`,
              reportMd,
              '',
              `Merge [workflow run](${mergeWorkflowUrl}).`
            ]),
          });
          core.info('Posted comment: ' + response.html_url);

          const check = await github.rest.checks.create({
            ...context.repo,
            name: 'Merge report (${{ github.event.workflow_run.name }})',
            head_sha: '${{ github.event.workflow_run.head_sha }}',
            status: 'completed',
            conclusion: 'success',
            details_url: reportUrl,
            output: {
              title: 'Test results for "${{ github.event.workflow_run.name }}"',
              summary: [
                reportMd,
                '',
                '---',
                `Full [HTML report](${reportUrl}). Merge [workflow run](${mergeWorkflowUrl}).`
              ].join('\n'),
            }
          });