ci.yml

# Production-grade CI for TruthBounty Backend (NestJS)
# Optimized for contributors, fast feedback, and protocol security

name: CI

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

concurrency:
  group: ci-${{ github.ref }}
  cancel-in-progress: true

jobs:
  lint:
    name: Lint
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20
      - name: Cache node_modules
        uses: actions/cache@v4
        with:
          path: node_modules
          key: ${{ runner.os }}-node-${{ hashFiles('package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-node-
      - name: Install dependencies
        run: npm ci
      - name: Run linter
        run: npm run lint

  test:
    name: Test
    runs-on: ubuntu-latest
    needs: lint
    services:
      postgres:
        image: postgres:15
        env:
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: postgres
          POSTGRES_DB: testdb
        ports:
          - 5432:5432
        options: >-
          --health-cmd="pg_isready -U postgres" --health-interval=10s --health-timeout=5s --health-retries=5
    env:
      DATABASE_URL: postgresql://postgres:postgres@localhost:5432/testdb
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20
      - name: Cache node_modules
        uses: actions/cache@v4
        with:
          path: node_modules
          key: ${{ runner.os }}-node-${{ hashFiles('package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-node-
      - name: Install dependencies
        run: npm ci
      - name: Generate Prisma client
        run: npx prisma generate
      - name: Run tests
        run: npm run test

  build:
    name: Build
    runs-on: ubuntu-latest
    needs: test
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20
      - name: Cache node_modules
        uses: actions/cache@v4
        with:
          path: node_modules
          key: ${{ runner.os }}-node-${{ hashFiles('package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-node-
      - name: Install dependencies
        run: npm ci
      - name: Generate Prisma client
        run: npx prisma generate
      - name: Build app
        run: npm run build

  protocol-invariants:
    name: Protocol Invariants
    runs-on: ubuntu-latest
    needs: test
    services:
      postgres:
        image: postgres:15
        env:
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: postgres
          POSTGRES_DB: testdb
        ports:
          - 5432:5432
        options: >-
          --health-cmd="pg_isready -U postgres" --health-interval=10s --health-timeout=5s --health-retries=5
    env:
      DATABASE_URL: postgresql://postgres:postgres@localhost:5432/testdb
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20
      - name: Cache node_modules
        uses: actions/cache@v4
        with:
          path: node_modules
          key: ${{ runner.os }}-node-${{ hashFiles('package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-node-
      - name: Install dependencies
        run: npm ci
      - name: Generate Prisma client
        run: npx prisma generate
      - name: Run protocol invariant/unit tests
        run: |
          if npm run test:invariants --if-present; then
            npm run test:invariants
          else
            echo "No dedicated invariant test script found. Failing if invariants break in main test suite."
            npm run test
          fi

  security-scan:
    name: Security Scan
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20
      - name: Cache node_modules
        uses: actions/cache@v4
        with:
          path: node_modules
          key: ${{ runner.os }}-node-${{ hashFiles('package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-node-
      - name: Install dependencies
        run: npm ci
      - name: Run npm audit (high severity)
        run: npm audit --audit-level=high