name: Code Quality

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]


# Read-only token: these jobs never write through GITHUB_TOKEN.
permissions:
  contents: read

jobs:
  lint:
    name: ESLint
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0

      - name: Setup Node.js
        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
        with:
          node-version: '20'

      - name: Enable Corepack
        run: corepack enable

      - name: Install dependencies
        run: yarn install --immutable

      - name: Run ESLint
        run: yarn eslint src/ --ext .ts --max-warnings 0
        continue-on-error: true

  format:
    name: Prettier
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0

      - name: Setup Node.js
        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
        with:
          node-version: '20'

      - name: Enable Corepack
        run: corepack enable

      - name: Install dependencies
        run: yarn install --immutable

      - name: Check formatting
        run: yarn prettier --check "src/**/*.ts"

  typecheck:
    name: TypeScript
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0

      - name: Setup Node.js
        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
        with:
          node-version: '20'

      - name: Enable Corepack
        run: corepack enable

      - name: Install dependencies
        run: yarn install --immutable

      - name: Generate types
        run: ./node_modules/.bin/subql codegen pezkuwi.yaml

      - name: TypeScript check
        run: yarn tsc --noEmit

  complexity:
    name: Code Complexity
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0

      - name: Setup Node.js
        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
        with:
          node-version: '20'

      - name: Install complexity checker
        run: npm install -g complexity-report

      - name: Check complexity
        run: |
          cr src/**/*.ts --format json > complexity-report.json || true
          HIGH_COMPLEXITY=$(cat complexity-report.json 2>/dev/null | jq '[.reports[].functions[] | select(.cyclomatic > 15)] | length' 2>/dev/null || echo "0")
          if [ "$HIGH_COMPLEXITY" -gt 0 ]; then
            echo "::warning::Found $HIGH_COMPLEXITY functions with cyclomatic complexity > 15"
          fi

  duplicate-code:
    name: Duplicate Code Detection
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0

      - name: Setup Node.js
        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
        with:
          node-version: '20'

      - name: Install jscpd
        run: npm install -g jscpd

      - name: Check for duplicates
        run: jscpd src/ --min-lines 10 --min-tokens 50 --threshold 5
        continue-on-error: true