name: CI

on:
  push:
    branches:
      - master
      - v2-dev
  pull_request:
    branches:
      - master

jobs:
  go-build-and-test:
    name: Go Build & Test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.25.10'

      - name: Go Build
        run: |
          go build ./cmd/server/...
          go build ./cmd/agent/...
          go build ./cmd/mcp-server/...
          go build ./cmd/cli/...

      - name: gofmt drift (Makefile::verify parity)
        # ci-pipeline-cleanup Phase 4 / frozen decision 0.13: Makefile::verify
        # checks gofmt + vet + golangci-lint + go test. CI runs vet, lint, test
        # already — but NOT gofmt. This step closes the parity gap.
        # Mirrors the Makefile::verify shape: any gofmt output means the
        # source needs reformatting.
        run: |
          out=$(gofmt -l .)
          if [ -n "$out" ]; then
            echo "::error::gofmt would reformat these files (run 'gofmt -w' locally):"
            echo "$out"
            exit 1
          fi

      - name: go mod tidy drift
        # ci-pipeline-cleanup Phase 4: catches PRs that import a package
        # without committing the go.mod / go.sum update. Standard Go-CI
        # gate; absent before this bundle.
        run: |
          go mod tidy
          git diff --exit-code go.mod go.sum

      - name: Go Vet
        run: go vet ./...

      - name: Install golangci-lint
        run: |
          curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v2.11.4

      - name: Run golangci-lint
        run: golangci-lint run ./... --timeout 5m

      - name: Install govulncheck
        run: go install golang.org/x/vuln/cmd/govulncheck@latest

      - name: Run govulncheck (M-024 hard gate)
        # Bundle-7 / D-001 partial: govulncheck distinguishes called-vs-uncalled
        # advisories. Default exit code is non-zero only when YOUR code calls
        # the vulnerable function — deferred-call advisories show up in the
        # output but don't fail the gate.
        #
        # Bundle F / Audit M-024 (NIST SSDF PW.7.2): the govulncheck step
        # is now a hard CI gate (no `continue-on-error`). Bundle E's
        # transitive bumps (x/net 0.42→0.47, x/crypto 0.41→0.45) cleared
        # the 5 deferred-call advisories that were previously on the
        # exception list, so the carve-out the original Bundle F prompt
        # designed is unnecessary — a clean `govulncheck ./...` is the
        # right gate. If a future advisory lands in a function our code
        # does call, this step fails the build until either upstream
        # ships a fix OR we cut the dep. Deferred-call advisories that
        # legitimately can't be remediated yet should be added to the
        # NIST SSDF deviation log in docs/operator/security.md, not silenced here.
        run: govulncheck ./...

      - name: Install staticcheck (Bundle-7 / D-001)
        run: go install honnef.co/go/tools/cmd/staticcheck@latest

      - name: Run staticcheck
        # Bundle-7 / D-001: Go static analysis additive to vet. Suppressed
        # rules live in staticcheck.conf with documented justifications;
        # adding a new entry requires an explicit security review.
        #
        # ci-pipeline-cleanup Phase 3 / frozen decision 0.7: HARD gate.
        # M-028 SA1019 sites verified closed at HEAD 1de61e91:
        #   - middleware.NewAuth: zero callers (all migrated to
        #     NewAuthWithNamedKeys in cmd/server/{main,main_test}.go)
        #   - csr.Attributes (internal/api/handler/scep.go × 2): inline
        #     //lint:ignore SA1019 with load-bearing rationale (RFC 2985
        #     challengePassword has no non-deprecated stdlib API)
        #   - elliptic.Marshal: only in bundle9_coverage_test.go × 1 as
        #     deliberate byte-equivalence regression oracle, suppressed
        #     with //lint:ignore SA1019
        run: staticcheck ./...

      - name: Race Detection
        run: go test -race ./internal/service/... ./internal/api/handler/... ./internal/api/middleware/... ./internal/scheduler/... ./internal/connector/... ./internal/crypto/... ./internal/domain/... ./internal/validation/... ./internal/tlsprobe/... -count=1 -timeout 300s

      - name: Go Test with Coverage
        run: |
          go test ./internal/service/... ./internal/api/handler/... ./internal/api/middleware/... ./internal/api/router/... ./internal/auth/... ./internal/integration/... ./internal/connector/issuer/... ./internal/connector/target/... ./internal/connector/notifier/... ./internal/connector/discovery/... ./internal/crypto/... ./internal/mcp/... ./internal/cli/... ./internal/domain/... ./internal/validation/... ./internal/tlsprobe/... -count=1 -cover -coverprofile=coverage.out

      - name: Check Coverage Thresholds
        # ci-pipeline-cleanup Phase 2: per-package floors moved to
        # .github/coverage-thresholds.yml. Each entry has `floor:` +
        # `why:` (load-bearing context). Logic in
        # scripts/check-coverage-thresholds.sh — operator runs the same
        # script locally via `make verify`-equivalent loop.
        run: bash scripts/check-coverage-thresholds.sh

      - name: Upload Coverage Report
        uses: actions/upload-artifact@v4
        with:
          name: go-coverage
          path: coverage.out
          retention-days: 30

      - name: Coverage PR comment
        # ci-pipeline-cleanup Phase 10 / frozen decision 0.9: self-hosted
        # alternative to Codecov / Coveralls. Posts a per-package coverage
        # delta as a PR comment; updates in place on subsequent pushes.
        if: github.event_name == 'pull_request'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          PR_NUMBER: ${{ github.event.number }}
          GITHUB_REPOSITORY: ${{ github.repository }}
        run: bash scripts/coverage-pr-comment.sh

      # Bundle P / Strengthening #6 — QA-doc seed-count drift guard. Forces
      # every PR that adds a seed row to migrations/seed_demo.sql to keep
      # docs/contributor/qa-test-suite.md::Seed Data Reference in sync.
      #
      # Phase 5 of the 2026-05-04 docs overhaul (commit c64777f) deleted
      # docs/testing-guide.md (its content dispersed across the new
      # audience-organized doc tree); the previous QA-doc Part-count drift
      # guard tracked Part counts between testing-guide.md and the old
      # qa-test-guide.md headline. With testing-guide.md gone, that guard's
      # premise is dead and it has been removed. The seed-count drift class
      # is still live: qa-test-suite.md::Seed Data Reference enumerates
      # certs/issuers and seed_demo.sql is the source of truth.
      - name: QA-doc seed-count drift guard
        run: |
          set -e
          DOC=docs/contributor/qa-test-suite.md
          # Seed-cert count: agnostic to documented header format. The current
          # documented count lives in `### Certificates (32 total in ...` —
          # extract the first integer in that header.
          DOC_CERTS=$(grep -oE '### Certificates \([0-9]+' "$DOC" | grep -oE '[0-9]+' | head -1)
          # Authoritative count: unique mc-* IDs in seed_demo.sql.
          SEED_CERTS=$(grep -oE 'mc-[a-z0-9_-]+' migrations/seed_demo.sql | sort -u | wc -l | tr -d ' ')
          if [ -z "$DOC_CERTS" ]; then
            echo "::warning::Could not extract documented cert count from $DOC."
            echo "  Skipping cert-count drift check (header format may have changed)."
          elif [ "$DOC_CERTS" != "$SEED_CERTS" ]; then
            echo "::error::DRIFT — $DOC says $DOC_CERTS certs; seed_demo.sql has $SEED_CERTS unique mc-* IDs."
            echo "  Update $DOC::Seed Data Reference to match."
            exit 1
          fi
          # Issuers: seed-table count vs doc claim.
          DOC_ISS=$(grep -oE '### Issuers \([0-9]+' "$DOC" | grep -oE '[0-9]+' | head -1)
          # Authoritative: unique iss-* IDs (close enough proxy; the issuers
          # table count IS the unique-ID count for this prefix).
          SEED_ISS=$(grep -oE 'iss-[a-z0-9_-]+' migrations/seed_demo.sql | sort -u | wc -l | tr -d ' ')
          if [ -z "$DOC_ISS" ]; then
            echo "::warning::Could not extract documented issuer count."
          elif [ "$DOC_ISS" != "$SEED_ISS" ] && [ "$((SEED_ISS - DOC_ISS))" -gt 5 ]; then
            # Allow up to 5pp slack — iss-* IDs appear in audit_events and
            # other reference tables that aren't issuer-table rows. Drift
            # only flags when the spread grows large.
            echo "::error::DRIFT — $DOC says $DOC_ISS issuers; seed_demo.sql has $SEED_ISS unique iss-* IDs (spread > 5)."
            exit 1
          fi
          echo "QA-doc seed-count drift guard: clean."

      # Bundle Q / I-001 closure — test-naming convention guard (informational).
      # The convention is `Test<Func>_<Scenario>_<ExpectedResult>`. This step
      # prints any non-conformant tests but does NOT fail the build until the
      # Bundle I-001-extended (2026-04-27) — promoted from informational
      # to hard-fail. The convention is now: every `func TestXxx(...)` MUST
      # match Go's standard test-runner pattern (`^func Test[A-Z]`). Tests
      # whose name starts with `func Test<lowercase>` are silently SKIPPED
      # by `go test` (Go only runs `Test[A-Z]...`) — those are the real
      # bugs this guard catches.
      #
      # The original audit's `Test<Func>_<Scenario>_<ExpectedResult>` triple-
      # token prescription has been relaxed: single-function pin tests like
      # `TestNewAgent` or `TestSplitPEMChain` are valid Go convention, with
      # internal scenarios expressed via `t.Run` subtests. Requiring the
      # underscore-Scenario-Result triple repo-wide would mean renaming
      # 167 legitimate tests for no observable behavior change. The
      # Test<Func>_<Scenario>_<ExpectedResult> form remains documented as
      # the recommended pattern for parameterized scenarios in
      # docs/contributor/qa-test-suite.md, but is not gated.
      - name: Regression guards (extracted to scripts/ci-guards/)
        # All named regression guards live at scripts/ci-guards/<id>.sh per
        # ci-pipeline-cleanup bundle Phase 1. Each guard is callable locally:
        #   bash scripts/ci-guards/G-3-env-docs-drift.sh
        # Adding a new guard: drop a new <id>.sh; this loop auto-picks it up.
        # Contract: each guard MUST exit 0 on clean repo, non-zero with
        # ::error:: prefix on regression. See scripts/ci-guards/README.md.
        run: |
          set -e
          fail=0
          for g in scripts/ci-guards/*.sh; do
            echo "::group::$(basename "$g")"
            if ! bash "$g"; then
              fail=1
            fi
            echo "::endgroup::"
          done
          exit $fail

  frontend-build:
    name: Frontend Build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '22'

      - name: Install Dependencies
        working-directory: web
        run: npm ci

      - name: TypeScript Check
        working-directory: web
        run: npx tsc --noEmit

      - name: Run Frontend Tests
        working-directory: web
        run: npx vitest run

      - name: Build Frontend
        working-directory: web
        run: npx vite build

      - name: Regression guards (extracted to scripts/ci-guards/)
        # All named regression guards live at scripts/ci-guards/<id>.sh per
        # ci-pipeline-cleanup bundle Phase 1. Each guard is callable locally:
        #   bash scripts/ci-guards/G-3-env-docs-drift.sh
        # Adding a new guard: drop a new <id>.sh; this loop auto-picks it up.
        # Contract: each guard MUST exit 0 on clean repo, non-zero with
        # ::error:: prefix on regression. See scripts/ci-guards/README.md.
        run: |
          set -e
          fail=0
          for g in scripts/ci-guards/*.sh; do
            echo "::group::$(basename "$g")"
            if ! bash "$g"; then
              fail=1
            fi
            echo "::endgroup::"
          done
          exit $fail

  helm-lint:
    name: Helm Chart Validation
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Helm
        uses: azure/setup-helm@v4
        with:
          version: '3.13.0'

      # HTTPS-Everywhere (v2.0.47): the chart fails render when no TLS source is
      # configured. Every lint/template invocation below must pick exactly one
      # provisioning mode — see deploy/helm/certctl/templates/_helpers.tpl
      # (certctl.tls.required) and docs/operator/tls.md.
      - name: Lint Helm Chart
        run: |
          helm lint deploy/helm/certctl/ \
            --set server.tls.existingSecret=certctl-tls-ci

      - name: Template Helm Chart (existingSecret mode)
        run: |
          helm template certctl deploy/helm/certctl/ \
            --set server.tls.existingSecret=certctl-tls-ci \
            > /dev/null

      - name: Template Helm Chart (cert-manager mode)
        run: |
          helm template certctl deploy/helm/certctl/ \
            --set server.tls.certManager.enabled=true \
            --set server.tls.certManager.issuerRef.name=letsencrypt-prod \
            > /dev/null

      - name: Template Helm Chart (guard fails without TLS)
        run: |
          # Inverse test: the chart MUST refuse to render when no TLS source is
          # configured. If this ever renders successfully, the fail-loud guard
          # in certctl.tls.required has regressed.
          if helm template certctl deploy/helm/certctl/ > /dev/null 2>&1; then
            echo "::error::Helm chart rendered without a TLS source — fail-loud guard regressed"
            exit 1
          fi

  # =============================================================================
  # deploy-vendor-e2e — single-job (collapsed from 12-job matrix)
  # =============================================================================
  # Per ci-pipeline-cleanup bundle Phase 5 / frozen decision 0.4 (revises
  # Bundle II decision 0.9): the per-vendor matrix produced 12 status-check
  # rows for ~1 real assertion (115/116 vendor-edge tests are t.Log
  # placeholders). Collapsed to one job that brings up all 11 sidecars
  # at once and runs the full VendorEdge_ test set.
  #
  # Skip-detection guard (scripts/vendor-e2e-skip-check.sh)
  # enforces that no test SKIPs except the documented allowlist
  # (windows-iis-requiring tests on Linux). If a sidecar fails to come
  # up, requireSidecar() in deploy/test/vendor_e2e_helpers.go calls
  # t.Skipf() — the guard catches that.
  #
  # RAM headroom on ubuntu-latest (16 GB ceiling) — operator-confirmed
  # in Phase 0 / frozen decision 0.14 prototype-branch run. If RAM
  # regresses, fall back to bucketed matrix per
  # the project's frozen-decisions log.
  #
  # The Windows matrix (deploy-vendor-e2e-windows) was deleted entirely
  # per Phase 6 / frozen decision 0.5 (revises Bundle II decision 0.4).
  # IIS + WinCertStore validation moved to the operator playbook at
  # docs/connector-iis.md::Operator validation playbook.
  deploy-vendor-e2e:
    name: deploy-vendor-e2e
    runs-on: ubuntu-latest
    needs: [go-build-and-test]
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v5

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.25.10'
          cache: true

      - name: Build f5-mock-icontrol sidecar
        # The only sidecar without a published image; built from the in-tree
        # Go server at deploy/test/f5-mock-icontrol/.
        run: docker compose --profile deploy-e2e -f deploy/docker-compose.test.yml build f5-mock-icontrol

      - name: Bring up all vendor sidecars
        # Brings up the 11 deploy-e2e sidecars (apache-test, haproxy-test,
        # traefik-test, caddy-test, envoy-test, postfix-test, dovecot-test,
        # openssh-test, f5-mock-icontrol, k8s-kind-test, windows-iis-test
        # which is gated by a separate windows-only profile and won't
        # actually start) plus the always-on legacy nginx.
        run: |
          docker compose --profile deploy-e2e -f deploy/docker-compose.test.yml up -d
          sleep 15

      - name: Run all vendor-edge e2e
        # Captures test output for skip-count enforcement (next step).
        env:
          INTEGRATION: "1"
        run: |
          go test -tags integration -race -count=1 -run 'VendorEdge_' \
            ./deploy/test/... 2>&1 | tee test-output.log

      - name: Skip-count enforcement
        # ci-pipeline-cleanup Phase 5 / frozen decision 0.6:
        # requireSidecar uses t.Skipf (not t.Fatal) when a sidecar isn't
        # reachable — collapsing the per-vendor matrix removes the implicit
        # guard each per-job matrix entry provided. This step counts SKIP
        # lines in the test output and fails the build if it exceeds the
        # allowlist (windows-iis-requiring tests; legitimately skipped
        # on Linux per Phase 6 / frozen decision 0.5).
        run: bash scripts/vendor-e2e-skip-check.sh test-output.log

      - name: Diagnostic dump on failure
        # Prints container status + last 200 log lines from the certctl-server
        # and base-stack containers when ANY previous step in this job fails.
        # The matrix-collapse (Phase 5) brings up ~18 containers concurrently
        # (vs 1 vendor sidecar at a time pre-collapse); transient failures
        # surface most often as "container certctl-test-server is unhealthy"
        # without any visible reason because compose only reports the
        # dependency-chain symptom, not the root cause. Dumping logs here
        # makes the underlying error (DB migration crash, port bind failure,
        # entrypoint stall, OOM kill) visible in the GitHub Actions log
        # without requiring a workstation reproduction.
        if: failure()
        run: |
          echo "=== docker compose ps -a ==="
          docker compose --profile deploy-e2e -f deploy/docker-compose.test.yml ps -a || true
          echo ""
          echo "=== certctl-test-server logs (last 200 lines) ==="
          docker logs --tail 200 certctl-test-server 2>&1 || true
          echo ""
          echo "=== certctl-test-tls-init logs ==="
          docker logs certctl-test-tls-init 2>&1 || true
          echo ""
          echo "=== certctl-test-postgres logs (last 100 lines) ==="
          docker logs --tail 100 certctl-test-postgres 2>&1 || true
          echo ""
          echo "=== certctl-test-stepca logs (last 100 lines) ==="
          docker logs --tail 100 certctl-test-stepca 2>&1 || true
          echo ""
          echo "=== certctl-test-pebble logs (last 50 lines) ==="
          docker logs --tail 50 certctl-test-pebble 2>&1 || true
          echo ""
          echo "=== certctl-test-agent logs (last 100 lines) ==="
          docker logs --tail 100 certctl-test-agent 2>&1 || true

      - name: Tear down sidecars
        if: always()
        run: docker compose --profile deploy-e2e -f deploy/docker-compose.test.yml down -v

  # =============================================================================
  # image-and-supply-chain — digest validity + Docker build smoke + OpenAPI parity
  # =============================================================================
  # Per ci-pipeline-cleanup bundle Phases 7-9 / frozen decision 0.8.
  # Three checks bundled into one job (parallel to go-build-and-test):
  #   1. Digest validity — every @sha256 ref in deploy/* + Dockerfiles must
  #      resolve on its registry. Closes the H-001 lying-field gap (H-001
  #      verifies digest *presence* but not *resolution* — Bundle II shipped
  #      11 fabricated digests that passed H-001 and failed `docker pull`).
  #   2. Docker build smoke — all 4 Dockerfiles in the repo must build.
  #      Catches syntax errors / COPY path drift before tag-time release.yml.
  #   3. OpenAPI ↔ handler parity — every router route has a matching
  #      operationId or is documented in api/openapi-handler-exceptions.yaml.
  image-and-supply-chain:
    name: image-and-supply-chain
    runs-on: ubuntu-latest
    timeout-minutes: 15
    steps:
      - uses: actions/checkout@v5

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.25.10'
          cache: true

      - name: Digest validity (every @sha256 ref must resolve)
        run: bash scripts/ci-guards/digest-validity.sh

      - name: Docker build smoke (all 4 Dockerfiles)
        # Per frozen decision 0.10: build all 4 Dockerfiles in the repo,
        # not just production server + agent. The test-sidecar Dockerfiles
        # are load-bearing for vendor-e2e — a syntax error there silently
        # breaks the e2e suite.
        run: |
          set -e
          docker build -f Dockerfile        -t certctl:smoke           .
          docker build -f Dockerfile.agent  -t certctl-agent:smoke     .
          docker build -f deploy/test/f5-mock-icontrol/Dockerfile -t f5-mock:smoke .
          docker build -f deploy/test/libest/Dockerfile           -t libest:smoke   .
          echo "All 4 Dockerfiles build clean."

      - name: OpenAPI ↔ handler operationId parity
        run: bash scripts/ci-guards/openapi-handler-parity.sh