name: Network Diff Capture

on:
  workflow_dispatch:

permissions:
  contents: read

concurrency:
  group: network-diff-capture-${{ github.ref }}
  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

env:
  PY_VERSION: "3.12"

jobs:
  offline:
    runs-on: ubuntu-latest
    timeout-minutes: 20
    steps:
      - uses: actions/checkout@v7

      - uses: actions/setup-python@v6
        with:
          python-version: ${{ env.PY_VERSION }}

      - name: Install offline test tools
        run: |
          python -m pip install --upgrade pip
          python -m pip install \
            'tiktoken>=0.5.0' \
            'pydantic>=2.0.0' \
            'litellm==1.82.3' \
            'click>=8.1.0' \
            'rich>=13.0.0' \
            'opentelemetry-api>=1.24.0' \
            'ast-grep-cli>=0.30.0' \
            'fastapi>=0.100.0' \
            'uvicorn>=0.23.0' \
            'httpx[http2]>=0.24.0' \
            'openai>=2.14.0' \
            'mcp>=1.0.0' \
            'magika>=0.6.0' \
            'zstandard>=0.20.0' \
            'websockets>=13.0' \
            'onnxruntime>=1.16.0' \
            'transformers>=4.30.0' \
            'watchdog>=4.0.0' \
            'sqlite-vec>=0.1.6' \
            pytest ruff mypy

      - name: Lint capture code
        run: ruff check headroom/capture headroom/cli/capture.py tests/test_network_diff_capture.py

      - name: Format check capture code
        run: ruff format --check headroom/capture headroom/cli/capture.py tests/test_network_diff_capture.py

      - name: Type-check capture code
        run: mypy headroom/capture/network_diff.py headroom/cli/capture.py

      - name: Run capture tests
        run: python -m pytest tests/test_network_diff_capture.py

      - name: Validate compose model
        env:
          ANTHROPIC_API_KEY: dummy
        run: docker compose -f docker/differential-network-capture/docker-compose.yml --profile run config

      - name: Build Claude Code runner image
        env:
          ANTHROPIC_API_KEY: dummy
        run: docker compose -f docker/differential-network-capture/docker-compose.yml --profile run build claude-direct

      - name: Smoke Claude Code runner image
        run: docker run --rm -e CLAUDE_COMMAND="claude --version" headroom-network-diff-claude-direct:latest

  live-anthropic:
    runs-on: ubuntu-latest
    timeout-minutes: 90
    needs: offline
    env:
      ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
      CLAUDE_PROMPT: "Summarize this repository in one sentence. Keep the answer under 30 words."
    steps:
      - uses: actions/checkout@v7

      - uses: actions/setup-python@v6
        with:
          python-version: ${{ env.PY_VERSION }}

      - name: Install report dependencies
        run: |
          python -m pip install --upgrade pip
          python -m pip install \
            'tiktoken>=0.5.0' \
            'pydantic>=2.0.0' \
            'litellm==1.82.3' \
            'click>=8.1.0' \
            'rich>=13.0.0' \
            'opentelemetry-api>=1.24.0' \
            'ast-grep-cli>=0.30.0' \
            'fastapi>=0.100.0' \
            'uvicorn>=0.23.0' \
            'httpx[http2]>=0.24.0' \
            'openai>=2.14.0' \
            'mcp>=1.0.0' \
            'magika>=0.6.0' \
            'zstandard>=0.20.0' \
            'websockets>=13.0' \
            'onnxruntime>=1.16.0' \
            'transformers>=4.30.0' \
            'watchdog>=4.0.0' \
            'sqlite-vec>=0.1.6'

      - name: Run live Claude Code differential capture
        if: env.ANTHROPIC_API_KEY != ''
        working-directory: docker/differential-network-capture
        run: |
          set -euo pipefail
          mkdir -p captures
          docker compose up -d --build mitm-direct mitm-headroom-upstream headroom-proxy mitm-headroom-client
          trap 'docker compose --profile run down -v' EXIT

          for i in $(seq 1 90); do
            if docker compose exec -T headroom-proxy curl --fail --silent http://127.0.0.1:8787/readyz >/dev/null; then
              break
            fi
            if [ "$i" -eq 90 ]; then
              docker compose logs headroom-proxy
              exit 1
            fi
            sleep 2
          done

          docker compose --profile run run --rm claude-direct
          docker compose --profile run run --rm claude-headroom

      - name: Report skipped live capture
        if: env.ANTHROPIC_API_KEY == ''
        run: |
          echo "::warning title=Live network diff skipped::ANTHROPIC_API_KEY is not configured for this repository; offline harness checks ran, but live Claude Code capture was skipped."
          mkdir -p docker/differential-network-capture/captures
          cat > docker/differential-network-capture/captures/skipped.md <<'EOF'
          # Live Network Diff Capture Skipped

          `ANTHROPIC_API_KEY` is not configured for this repository.
          EOF

      - name: Generate network diff report
        if: env.ANTHROPIC_API_KEY != ''
        run: |
          python -m headroom.cli capture network-diff \
            --direct docker/differential-network-capture/captures/direct.jsonl \
            --headroom docker/differential-network-capture/captures/headroom-client.jsonl \
            --output docker/differential-network-capture/captures/report.md \
            --json-output docker/differential-network-capture/captures/report.json

      - name: Upload capture artifacts
        if: always()
        uses: actions/upload-artifact@v7
        with:
          name: network-diff-capture-${{ github.run_number }}
          path: docker/differential-network-capture/captures/
          if-no-files-found: warn