name: Code Quality

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

permissions:
  contents: read
  pull-requests: write

jobs:
  lint:
    name: Lint
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.22'

      - name: Install golangci-lint
        run: |
          curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.55.2

      - name: Go Lint
        uses: golangci/golangci-lint-action@v4
        with:
          version: latest
          args: --timeout=5m

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'npm'
          cache-dependency-path: './web-app/package-lock.json'

      - name: Install frontend dependencies
        run: npm ci
        working-directory: ./web-app

      - name: Frontend Lint
        run: npm run lint
        working-directory: ./web-app

  type-check:
    name: Type Check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.22'

      - name: Go Type Check
        run: go vet ./...

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'npm'
          cache-dependency-path: './web-app/package-lock.json'

      - name: Install frontend dependencies
        run: npm ci
        working-directory: ./web-app

      - name: TypeScript Check
        run: npm run type-check
        working-directory: ./web-app

  security:
    name: Security Scan
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Run Gosec Security Scanner
        uses: securego/gosec@master
        with:
          args: './...'

      - name: Run npm audit
        run: npm audit
        working-directory: ./web-app

      - name: Run Snyk to check for vulnerabilities
        uses: snyk/actions/node@master
        env:
          SNYK_TOKEN: ${{ secrets.SNYK_TOKEN }}
        with:
          args: --severity-threshold=high --all-projects

  coverage:
    name: Code Coverage
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.22'

      - name: Install mupdf
        run: sudo apt-get install -y mupdf

      - name: Set library path
        run: echo "/usr/lib" | sudo tee -a /etc/ld.so.conf.d/mupdf.conf && sudo ldconfig

      - name: Run Go Coverage
        run: |
          go test -race -coverprofile=coverage.txt -covermode=atomic ./...
          go tool cover -func=coverage.txt

      - name: Upload Go coverage to Codecov
        uses: codecov/codecov-action@v4
        with:
          file: ./coverage.txt
          flags: backend
          fail_ci_if_error: true

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'npm'
          cache-dependency-path: './web-app/package-lock.json'

      - name: Install frontend dependencies
        run: npm ci
        working-directory: ./web-app

      - name: Run Frontend Coverage
        run: npm run test:coverage
        working-directory: ./web-app

      - name: Upload Frontend coverage to Codecov
        uses: codecov/codecov-action@v4
        with:
          file: ./web-app/coverage/coverage-final.json
          flags: frontend
          fail_ci_if_error: true

  format:
    name: Code Formatting
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.22'

      - name: Check Go Formatting
        run: |
          if [ -n "$(gofmt -l .)" ]; then
            echo "Go files need formatting:"
            gofmt -d .
            exit 1
          fi

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'npm'
          cache-dependency-path: './web-app/package-lock.json'

      - name: Install frontend dependencies
        run: npm ci
        working-directory: ./web-app

      - name: Check Frontend Formatting
        run: npm run format:check
        working-directory: ./web-app

  complexity:
    name: Code Complexity
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.22'

      - name: Install gocyclo
        run: go install github.com/fzipp/gocyclo/cmd/gocyclo@latest

      - name: Check Go Code Complexity
        run: |
          gocyclo -over 15 .

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'npm'
          cache-dependency-path: './web-app/package-lock.json'

      - name: Install frontend dependencies
        run: npm ci
        working-directory: ./web-app

      - name: Check Frontend Complexity
        run: npx ts-complexity ./src --max-complexity 15
        working-directory: ./web-app