ci.yml

name: build-samples

on:
  push:
    branches: [master]
  pull_request:
  schedule:
    # 04:00 UTC every Monday -- catches NuGet package drift between releases.
    - cron: "0 4 * * 1"
  workflow_dispatch:

permissions:
  contents: read

env:
  DOTNET_NOLOGO: true
  DOTNET_CLI_TELEMETRY_OPTOUT: true

jobs:
  build:
    name: Build ${{ matrix.chapter }}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        chapter:
          - ch01-foundations
          - ch02-extensions-ai
          - ch03-rag
          - ch04-agent-framework
          - ch05-mcp
          - ch06-production
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup .NET
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: "9.0.x"

      - name: Discover projects
        id: discover
        shell: bash
        run: |
          mapfile -t projects < <(find samples/${{ matrix.chapter }} -name '*.csproj' | sort)
          if [ "${#projects[@]}" -eq 0 ]; then
            echo "::warning::No .csproj files under samples/${{ matrix.chapter }}"
          fi
          printf '  - %s\n' "${projects[@]}"
          {
            echo "projects<<EOF"
            printf '%s\n' "${projects[@]}"
            echo "EOF"
          } >> "$GITHUB_OUTPUT"

      - name: Restore
        shell: bash
        run: |
          while IFS= read -r project; do
            [ -z "$project" ] && continue
            echo "::group::restore $project"
            dotnet restore "$project"
            echo "::endgroup::"
          done <<< "${{ steps.discover.outputs.projects }}"

      - name: Build
        shell: bash
        run: |
          while IFS= read -r project; do
            [ -z "$project" ] && continue
            echo "::group::build $project"
            dotnet build "$project" --no-restore -c Release
            echo "::endgroup::"
          done <<< "${{ steps.discover.outputs.projects }}"

      - name: Test (only test projects)
        shell: bash
        run: |
          while IFS= read -r project; do
            [ -z "$project" ] && continue
            if grep -q "Microsoft.NET.Test.Sdk" "$project"; then
              echo "::group::test $project"
              dotnet test "$project" --no-build -c Release \
                --logger "trx;LogFileName=test-results.trx" \
                --results-directory "${{ runner.temp }}/test-results/${{ matrix.chapter }}"
              echo "::endgroup::"
            fi
          done <<< "${{ steps.discover.outputs.projects }}"

      - name: Upload test results
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: test-results-${{ matrix.chapter }}
          path: ${{ runner.temp }}/test-results/${{ matrix.chapter }}
          if-no-files-found: ignore
          retention-days: 14

  # Optional manual smoke tests against live providers.
  # Triggers only on workflow_dispatch so live API tokens are never spent on
  # ordinary push/PR builds. Configure the secrets in the repo Settings before
  # creating tests/Smoke.
  smoke-tests-live:
    name: Smoke tests (live providers)
    runs-on: ubuntu-latest
    if: ${{ github.event_name == 'workflow_dispatch' }}
    needs: build
    env:
      OPENAI_API_KEY:        ${{ secrets.OPENAI_API_KEY }}
      AZURE_OPENAI_ENDPOINT: ${{ secrets.AZURE_OPENAI_ENDPOINT }}
      AZURE_OPENAI_KEY:      ${{ secrets.AZURE_OPENAI_KEY }}
      ANTHROPIC_API_KEY:     ${{ secrets.ANTHROPIC_API_KEY }}
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-dotnet@v4
        with:
          dotnet-version: "9.0.x"
      - name: Run smoke tests (if present)
        shell: bash
        run: |
          if [ -d tests/Smoke ]; then
            dotnet test tests/Smoke -c Release \
              --logger "trx;LogFileName=smoke.trx" \
              --results-directory "${{ runner.temp }}/smoke-results"
          else
            echo "tests/Smoke does not exist yet -- nothing to run."
          fi
      - name: Upload smoke results
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: smoke-results
          path: ${{ runner.temp }}/smoke-results
          if-no-files-found: ignore
          retention-days: 14