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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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# under the License.

name: Coverage Check

on: [pull_request, push]

permissions:
  contents: read
  pull-requests: write  # required to post/update the grade comment on PRs

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  build:
    if: github.repository == 'apache/cloudstack' && (github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository)
    name: codecov
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Set up JDK 17
        uses: actions/setup-java@v5
        with:
          distribution: 'temurin'
          java-version: '17'
          cache: 'maven'

      - name: Build CloudStack with Quality Checks
        run: |
          git clone https://github.com/shapeblue/cloudstack-nonoss.git nonoss
          cd nonoss && bash -x install-non-oss.sh && cd ..
          mvn -P quality -Dsimulator -Dnoredist clean install -T$(nproc)

      - uses: codecov/codecov-action@v6
        with:
          files: ./client/target/site/jacoco-aggregate/jacoco.xml
          fail_ci_if_error: true
          flags: unittests
          verbose: true
          name: codecov
          token: ${{ secrets.CODECOV_TOKEN }}

      - name: Compute Coverage Grade
        id: grade
        run: bash scripts/coverage-grade.sh client/target/site/jacoco-aggregate/jacoco.xml

      # Posts a new comment on every push so coverage history is preserved across the PR timeline.
      # On push events (no PR number) this step is skipped automatically.
      - name: Post Coverage Grade Comment on PR
        if: github.event_name == 'pull_request'
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const grade     = '${{ steps.grade.outputs.coverage_grade }}';
            const label     = '${{ steps.grade.outputs.coverage_grade_label }}';
            const linePct   = '${{ steps.grade.outputs.line_coverage }}';
            const branchPct = '${{ steps.grade.outputs.branch_coverage }}';
            const emojiMap  = { A: '🟢', B: '🟡', C: '🟠', D: '🔴', F: '⛔' };
            const emoji     = emojiMap[grade] ?? '❓';
            const runUrl    = `${context.serverUrl}/${context.repo.owner}/${context.repo.repo}/actions/runs/${context.runId}`;

            const branchRow = branchPct !== 'N/A'
              ? `| Branch coverage | **${branchPct}%** |`
              : '';

            const body = [
              `## ${emoji} Test Coverage Grade: \`${grade}\` — ${label}`,
              '',
              '| Metric | Value |',
              '|--------|-------|',
              `| Line coverage   | **${linePct}%** |`,
              branchRow,
              '',
              '### Grade Scale',
              '| Grade | Line Coverage | Meaning |',
              '|-------|--------------|---------|',
              '| 🟢 A | ≥ 80% | Excellent - this code sleeps well at night 😴 |',
              '| 🟡 B | 60-79% | Good - almost there, don\'t stop now 😉 |',
              '| 🟠 C | 40-59% | Acceptable - your code is wearing a seatbelt, but no airbags 😬 |',
              '| 🔴 D | 20-39% | Marginal - boldly shipping where no test has gone before 🖖 |',
              '| ⛔ F | < 20%  | Failing - tests? what tests? 🔥 |',
              '',
              '> Branch coverage is shown as a secondary signal. Grade is determined by **line coverage**.',
              `> [View full Actions run](${runUrl})`,
            ].filter(l => l !== undefined).join('\n');

            await github.rest.issues.createComment({
              owner:        context.repo.owner,
              repo:         context.repo.repo,
              issue_number: context.issue.number,
              body:         body,
            });
            console.log('Posted coverage grade comment');