# HLC Distributed Tests Workflow
# Sprint: Testing Enhancement Advisory - Phase 1.2
# Tests multi-node HLC scenarios with network partition simulation

name: hlc-distributed

on:
  schedule:
    # Run nightly at 2 AM UTC
    - cron: '0 2 * * *'
  push:
    branches: [main]
    paths:
      - 'src/__Libraries/StellaOps.HybridLogicalClock/**'
      - 'src/__Tests/Integration/StellaOps.Integration.HLC/**'
  pull_request:
    paths:
      - 'src/__Libraries/StellaOps.HybridLogicalClock/**'
      - 'src/__Tests/Integration/StellaOps.Integration.HLC/**'
  workflow_dispatch:
    inputs:
      run_extended:
        description: 'Run extended multi-node tests'
        type: boolean
        default: false
      run_chaos:
        description: 'Run chaos/partition tests'
        type: boolean
        default: true

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

jobs:
  # ==========================================================================
  # Multi-Node HLC Tests
  # ==========================================================================
  hlc-distributed:
    name: Distributed HLC Tests
    runs-on: ubuntu-latest
    timeout-minutes: 20

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup .NET
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: "10.0.100"

      - name: Restore dependencies
        run: dotnet restore src/__Tests/Integration/StellaOps.Integration.HLC/StellaOps.Integration.HLC.csproj

      - name: Build HLC tests
        run: dotnet build src/__Tests/Integration/StellaOps.Integration.HLC/StellaOps.Integration.HLC.csproj --configuration Release --no-restore

      - name: Run distributed HLC tests
        run: |
          dotnet test src/__Tests/Integration/StellaOps.Integration.HLC \
            --configuration Release \
            --no-build \
            --filter "Category=HLC&Category=Integration" \
            --logger "trx;LogFileName=hlc-distributed.trx" \
            --results-directory ./TestResults

      - name: Upload test results
        uses: actions/upload-artifact@v4
        if: always()
        with:
          name: hlc-distributed-results
          path: TestResults/**

      - name: Publish test summary
        uses: dorny/test-reporter@v1
        if: always()
        with:
          name: HLC Distributed Test Results
          path: TestResults/**/*.trx
          reporter: dotnet-trx

  # ==========================================================================
  # Network Partition / Chaos Tests
  # ==========================================================================
  hlc-chaos:
    name: HLC Chaos Tests
    runs-on: ubuntu-latest
    timeout-minutes: 30
    if: github.event_name == 'schedule' || github.event_name == 'workflow_dispatch'

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup .NET
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: "10.0.100"

      - name: Restore dependencies
        run: dotnet restore src/__Tests/Integration/StellaOps.Integration.HLC/StellaOps.Integration.HLC.csproj

      - name: Build HLC tests
        run: dotnet build src/__Tests/Integration/StellaOps.Integration.HLC/StellaOps.Integration.HLC.csproj --configuration Release --no-restore

      - name: Run partition tests
        run: |
          dotnet test src/__Tests/Integration/StellaOps.Integration.HLC \
            --configuration Release \
            --no-build \
            --filter "Category=Chaos" \
            --logger "trx;LogFileName=hlc-chaos.trx" \
            --results-directory ./TestResults

      - name: Run extended multi-node tests
        if: github.event.inputs.run_extended == 'true'
        run: |
          dotnet test src/__Tests/Integration/StellaOps.Integration.HLC \
            --configuration Release \
            --no-build \
            --filter "FullyQualifiedName~LargeCluster|FullyQualifiedName~HighFrequency" \
            --logger "trx;LogFileName=hlc-extended.trx" \
            --results-directory ./TestResults

      - name: Upload chaos test results
        uses: actions/upload-artifact@v4
        if: always()
        with:
          name: hlc-chaos-results
          path: TestResults/**

      - name: Publish test summary
        uses: dorny/test-reporter@v1
        if: always()
        with:
          name: HLC Chaos Test Results
          path: TestResults/**/*.trx
          reporter: dotnet-trx

  # ==========================================================================
  # Determinism Verification
  # ==========================================================================
  hlc-determinism:
    name: HLC Determinism Verification
    runs-on: ubuntu-latest
    timeout-minutes: 15

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup .NET
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: "10.0.100"

      - name: Restore dependencies
        run: dotnet restore src/__Libraries/__Tests/StellaOps.HybridLogicalClock.Tests/StellaOps.HybridLogicalClock.Tests.csproj

      - name: Build HLC unit tests
        run: dotnet build src/__Libraries/__Tests/StellaOps.HybridLogicalClock.Tests/StellaOps.HybridLogicalClock.Tests.csproj --configuration Release --no-restore

      - name: Run determinism verification (3 runs)
        run: |
          for i in 1 2 3; do
            echo "=== Run $i ==="
            dotnet test src/__Libraries/__Tests/StellaOps.HybridLogicalClock.Tests \
              --configuration Release \
              --no-build \
              --filter "FullyQualifiedName~Monotonic|FullyQualifiedName~Uniqueness" \
              --logger "trx;LogFileName=hlc-determinism-$i.trx" \
              --results-directory ./TestResults/run-$i
          done

      - name: Compare determinism runs
        run: |
          echo "Comparing test results across runs..."
          # All runs should pass
          for i in 1 2 3; do
            if [ ! -f "./TestResults/run-$i/hlc-determinism-$i.trx" ]; then
              echo "Run $i results not found"
              exit 1
            fi
          done
          echo "All determinism runs completed successfully"

      - name: Upload determinism results
        uses: actions/upload-artifact@v4
        if: always()
        with:
          name: hlc-determinism-results
          path: TestResults/**

  # ==========================================================================
  # Gate Status
  # ==========================================================================
  gate-status:
    name: HLC Distributed Gate Status
    runs-on: ubuntu-latest
    needs: [hlc-distributed, hlc-determinism]
    if: always()

    steps:
      - name: Check gate status
        run: |
          if [ "${{ needs.hlc-distributed.result }}" == "failure" ]; then
            echo "::error::Distributed HLC tests failed"
            exit 1
          fi
          if [ "${{ needs.hlc-determinism.result }}" == "failure" ]; then
            echo "::error::HLC determinism verification failed"
            exit 1
          fi
          echo "All HLC distributed checks passed!"