name: Scanner Analyzers

on:
  push:
    branches: [main]
    paths:
      - 'src/Scanner/__Libraries/StellaOps.Scanner.Analyzers.*/**'
      - 'src/Scanner/__Tests/StellaOps.Scanner.Analyzers.*/**'
  pull_request:
    paths:
      - 'src/Scanner/__Libraries/StellaOps.Scanner.Analyzers.*/**'
      - 'src/Scanner/__Tests/StellaOps.Scanner.Analyzers.*/**'
  workflow_dispatch:

env:
  DOTNET_VERSION: '10.0.x'

jobs:
  discover-analyzers:
    name: Discover Analyzers
    runs-on: ubuntu-latest
    outputs:
      analyzers: ${{ steps.find.outputs.analyzers }}
    steps:
      - uses: actions/checkout@v4

      - name: Find analyzer projects
        id: find
        run: |
          ANALYZERS=$(find src/Scanner/__Libraries -name "StellaOps.Scanner.Analyzers.*.csproj" -exec dirname {} \; | xargs -I {} basename {} | sort -u | jq -R -s -c 'split("\n")[:-1]')
          echo "analyzers=$ANALYZERS" >> $GITHUB_OUTPUT

  build-analyzers:
    name: Build Analyzers
    runs-on: ubuntu-latest
    needs: discover-analyzers
    strategy:
      fail-fast: false
      matrix:
        analyzer: ${{ fromJson(needs.discover-analyzers.outputs.analyzers) }}
    steps:
      - uses: actions/checkout@v4

      - name: Setup .NET
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: ${{ env.DOTNET_VERSION }}

      - name: Restore
        run: dotnet restore src/Scanner/__Libraries/${{ matrix.analyzer }}/

      - name: Build
        run: dotnet build src/Scanner/__Libraries/${{ matrix.analyzer }}/ --no-restore

  test-lang-analyzers:
    name: Test Language Analyzers
    runs-on: ubuntu-latest
    needs: build-analyzers
    steps:
      - uses: actions/checkout@v4

      - name: Setup .NET
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: ${{ env.DOTNET_VERSION }}

      - name: Setup Bun
        uses: oven-sh/setup-bun@v1
        with:
          bun-version: latest

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

      - name: Run Bun analyzer tests
        run: |
          if [ -d "src/Scanner/__Tests/StellaOps.Scanner.Analyzers.Lang.Bun.Tests" ]; then
            dotnet test src/Scanner/__Tests/StellaOps.Scanner.Analyzers.Lang.Bun.Tests/ --verbosity normal
          fi

      - name: Run Node analyzer tests
        run: |
          if [ -d "src/Scanner/__Tests/StellaOps.Scanner.Analyzers.Lang.Node.Tests" ]; then
            dotnet test src/Scanner/__Tests/StellaOps.Scanner.Analyzers.Lang.Node.Tests/ --verbosity normal
          fi

  fixture-validation:
    name: Validate Test Fixtures
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Validate fixture structure
        run: |
          find src/Scanner/__Tests -name "expected.json" | while read f; do
            echo "Validating $f..."
            if ! jq empty "$f" 2>/dev/null; then
              echo "Error: Invalid JSON in $f"
              exit 1
            fi
          done

      - name: Check fixture completeness
        run: |
          find src/Scanner/__Tests -type d -name "Fixtures" | while read fixtures_dir; do
            echo "Checking $fixtures_dir..."
            find "$fixtures_dir" -mindepth 1 -maxdepth 1 -type d | while read test_case; do
              if [ ! -f "$test_case/expected.json" ]; then
                echo "Warning: $test_case missing expected.json"
              fi
            done
          done

  determinism-check:
    name: Verify Deterministic Output
    runs-on: ubuntu-latest
    needs: test-lang-analyzers
    steps:
      - uses: actions/checkout@v4

      - name: Setup .NET
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: ${{ env.DOTNET_VERSION }}

      - name: Run determinism tests
        run: |
          # Run scanner on same input twice, compare outputs
          if [ -d "tests/fixtures/determinism" ]; then
            dotnet test --filter "Category=Determinism" --verbosity normal
          fi