pr-check.yml

name: PR Check

on:
  push:
    branches: [ 'master', 'release_**' ]
  pull_request:
    branches: [ 'develop', 'release_**' ]
    types: [ opened, edited, synchronize, reopened ]

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

jobs:
  pr-lint:
    name: PR Lint
    if: github.event_name == 'pull_request'
    runs-on: ubuntu-latest

    steps:
      - name: Validate PR title and description
        uses: actions/github-script@v8
        with:
          script: |
            const title = context.payload.pull_request.title;
            const body = context.payload.pull_request.body;
            const errors = [];
            const warnings = [];

            const allowedTypes = ['feat','fix','refactor','docs','style','test','chore','ci','perf','build','revert'];
            const knownScopes = [
              'framework','chainbase','actuator','consensus','common','crypto','plugins','protocol',
              'net','db','vm','tvm','api','jsonrpc','rpc','http','event','config',
              'block','proposal','trie','log','metrics','test','docker','version',
              'freezeV2','DynamicEnergy','stable-coin','reward','lite','toolkit'
            ];

            // 1. Title length check
            if (!title || title.trim().length < 10) {
              errors.push('PR title is too short (minimum 10 characters).');
            }
            if (title && title.length > 72) {
              errors.push(`PR title is too long (${title.length}/72 characters).`);
            }

            // 2. Conventional format check
            const conventionalRegex = /^(feat|fix|refactor|docs|style|test|chore|ci|perf|build|revert)(\([^)]+\))?:\s\S.*/;
            if (title && !conventionalRegex.test(title)) {
              errors.push(
                'PR title must follow conventional format: `type(scope): description`\n' +
                '  Allowed types: ' + allowedTypes.map(t => `\`${t}\``).join(', ') + '\n' +
                '  Example: `feat(tvm): add blob opcodes`'
              );
            }

            // 3. No trailing period
            if (title && title.endsWith('.')) {
              errors.push('PR title should not end with a period (.).');
            }

            // 4. Description part should not start with a capital letter
            if (title) {
              const descMatch = title.match(/^\w+(?:\([^)]+\))?:\s*(.+)/);
              if (descMatch) {
                const desc = descMatch[1];
                if (/^[A-Z]/.test(desc)) {
                  errors.push('Description should not start with a capital letter.');
                }
              }
            }

            // 5. Scope validation (warning only)
            if (title) {
              const scopeMatch = title.match(/^\w+\(([^)]+)\):/);
              if (scopeMatch && !knownScopes.includes(scopeMatch[1])) {
                warnings.push(`Unknown scope \`${scopeMatch[1]}\`. See CONTRIBUTING.md for known scopes.`);
              }
            }

            // 6. PR description check
            if (!body || body.trim().length < 20) {
              errors.push('PR description is too short or empty (minimum 20 characters). Please describe what this PR does and why.');
            }

            // Output warnings
            for (const w of warnings) {
              core.warning(w);
            }

            // Output result
            if (errors.length > 0) {
              const docLink = 'See [CONTRIBUTING.md](https://github.com/' + context.repo.owner + '/' + context.repo.repo + '/blob/develop/CONTRIBUTING.md#pull-request-guidelines) for details.';
              const message = '### PR Lint Failed\n\n' + errors.map(e => `- ${e}`).join('\n') + '\n\n' + docLink;
              core.setFailed(message);
            } else {
              core.info('PR lint passed.');
            }

  checkstyle:
    name: Checkstyle
    runs-on: ubuntu-24.04-arm

    steps:
      - uses: actions/checkout@v5

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

      - name: Cache Gradle packages
        uses: actions/cache@v4
        with:
          path: |
            ~/.gradle/caches
            ~/.gradle/wrapper
          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle', '**/gradle-wrapper.properties') }}
          restore-keys: ${{ runner.os }}-gradle-

      - name: Run Checkstyle
        run: ./gradlew :framework:checkstyleMain :framework:checkstyleTest :plugins:checkstyleMain

      - name: Upload Checkstyle reports
        if: failure()
        uses: actions/upload-artifact@v6
        with:
          name: checkstyle-reports
          path: |
            framework/build/reports/checkstyle/
            plugins/build/reports/checkstyle/