package main

import (
	"encoding/json"
	"fmt"
	"io"
	"net/http"
	"net/http/httptest"
	"strings"
	"testing"

	"git.cin.su/m/Assistant/contracts/cognitive"
)

const legacyExternalMode = "legacy-external-test-mode"

func newHandlerWithAdvisoryMode(coreURL, continuityURL, commitURL string, client *http.Client, mode string, cognitiveURLs ...string) (http.Handler, error) {
	if mode != legacyExternalMode {
		return nil, fmt.Errorf("invalid advisory binding mode %q", mode)
	}
	return newHandler(coreURL, continuityURL, commitURL, client, cognitiveURLs...)
}

func TestGatewayForwardsOnlyCreatorAllowlist(t *testing.T) {
	upstream := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.URL.Path != "/v1/creator/tasks/task-1" || r.URL.RawQuery != "session_id=session-1&workspace_id=workspace-1" {
			t.Fatalf("unexpected upstream target %s?%s", r.URL.Path, r.URL.RawQuery)
		}
		if r.Header.Get("Authorization") != "Bearer bounded-session" {
			t.Fatal("authorization header was not forwarded")
		}
		w.Header().Set("Content-Type", "application/json")
		_, _ = io.WriteString(w, `{"TaskID":"task-1"}`)
	}))
	defer upstream.Close()
	handler, err := newHandler(upstream.URL, upstream.URL, upstream.URL, upstream.Client())
	if err != nil {
		t.Fatal(err)
	}
	request := httptest.NewRequest(http.MethodGet, "/api/tasks/task-1?session_id=session-1&workspace_id=workspace-1", nil)
	request.Header.Set("Authorization", "Bearer bounded-session")
	response := httptest.NewRecorder()
	handler.ServeHTTP(response, request)
	if response.Code != http.StatusOK || !strings.Contains(response.Body.String(), "task-1") {
		t.Fatalf("response = %d %s", response.Code, response.Body.String())
	}
}

func TestGatewayForwardsCreatorCredentialsOnlyInBody(t *testing.T) {
	upstream := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.URL.Path != "/v1/creator/sessions" || r.Method != http.MethodPost {
			t.Fatalf("unexpected session target %s %s", r.Method, r.URL.Path)
		}
		if r.Header.Get("Authorization") != "" || r.Header.Get("Content-Type") != "application/json" {
			t.Fatalf("unexpected session headers Authorization=%q Content-Type=%q", r.Header.Get("Authorization"), r.Header.Get("Content-Type"))
		}
		body, _ := io.ReadAll(r.Body)
		if string(body) != `{"username":"m","password":"secret"}` {
			t.Fatalf("session body = %s", body)
		}
		_, _ = io.WriteString(w, `{"Token":"bounded"}`)
	}))
	defer upstream.Close()
	handler, err := newHandler(upstream.URL, upstream.URL, upstream.URL, upstream.Client())
	if err != nil {
		t.Fatal(err)
	}
	request := httptest.NewRequest(http.MethodPost, "/api/session", strings.NewReader(`{"username":"m","password":"secret"}`))
	request.Header.Set("Content-Type", "application/json")
	response := httptest.NewRecorder()
	handler.ServeHTTP(response, request)
	if response.Code != http.StatusOK {
		t.Fatalf("session response = %d %s", response.Code, response.Body.String())
	}
}

func TestGatewayDeniesInternalAndMutationRoutes(t *testing.T) {
	handler, err := newHandler("http://core-runtime:8080", "http://continuity-runtime:8081", "http://commit-runtime:8082", http.DefaultClient)
	if err != nil {
		t.Fatal(err)
	}
	for _, test := range []struct{ method, path string }{
		{http.MethodPost, "/api/tasks/task-1"},
		{http.MethodGet, "/api/principal-bindings/actor/principal"},
		{http.MethodPost, "/api/focus-task-commits"},
		{http.MethodPost, "/api/prospective-items/item-1"},
		{http.MethodGet, "/api/tasks/../../healthz"},
		{http.MethodPost, "/api/actions/arbitrary"},
		{http.MethodGet, "/api/actions/satisfy-delivered"},
		{http.MethodGet, "/api/actions/notify-delivered"},
	} {
		request := httptest.NewRequest(test.method, test.path, nil)
		response := httptest.NewRecorder()
		handler.ServeHTTP(response, request)
		if response.Code != http.StatusNotFound {
			t.Fatalf("%s %s returned %d", test.method, test.path, response.Code)
		}
	}
}

func TestGatewayRoutesProspectiveItemToContinuity(t *testing.T) {
	continuity := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.URL.Path != "/v1/creator/prospective-items/item-1" {
			t.Fatalf("unexpected Continuity target %s", r.URL.Path)
		}
		if r.Header.Get("Authorization") != "Bearer bounded-session" {
			t.Fatal("authorization header was not forwarded")
		}
		_, _ = io.WriteString(w, `{"ID":"item-1"}`)
	}))
	defer continuity.Close()
	handler, err := newHandler("http://core-runtime.invalid", continuity.URL, "http://commit-runtime.invalid", continuity.Client())
	if err != nil {
		t.Fatal(err)
	}
	request := httptest.NewRequest(http.MethodGet, "/api/prospective-items/item-1", nil)
	request.Header.Set("Authorization", "Bearer bounded-session")
	response := httptest.NewRecorder()
	handler.ServeHTTP(response, request)
	if response.Code != http.StatusOK || !strings.Contains(response.Body.String(), "item-1") {
		t.Fatalf("response = %d %s", response.Code, response.Body.String())
	}
}

func TestGatewayRoutesProspectiveListToContinuity(t *testing.T) {
	continuity := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.URL.Path != "/v1/creator/prospective-items" || r.URL.RawQuery != "limit=25" {
			t.Fatalf("unexpected Continuity list target %s?%s", r.URL.Path, r.URL.RawQuery)
		}
		_, _ = io.WriteString(w, `{"Items":[]}`)
	}))
	defer continuity.Close()
	handler, err := newHandler("http://core-runtime.invalid", continuity.URL, "http://commit-runtime.invalid", continuity.Client())
	if err != nil {
		t.Fatal(err)
	}
	request := httptest.NewRequest(http.MethodGet, "/api/prospective-items?limit=25", nil)
	response := httptest.NewRecorder()
	handler.ServeHTTP(response, request)
	if response.Code != http.StatusOK || !strings.Contains(response.Body.String(), "Items") {
		t.Fatalf("response = %d %s", response.Code, response.Body.String())
	}
}

func TestGatewayRoutesOnlyBoundedCreatorCommandsToCommit(t *testing.T) {
	commitRuntime := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.URL.Path != "/v1/creator/continuity/satisfy-delivered" || r.Method != http.MethodPost {
			t.Fatalf("unexpected Commit target %s %s", r.Method, r.URL.Path)
		}
		if r.Header.Get("Authorization") != "Bearer bounded-session" {
			t.Fatal("authorization header was not forwarded")
		}
		body, _ := io.ReadAll(r.Body)
		if !strings.Contains(string(body), "prospective-1") || strings.Contains(string(body), "GrantID") || strings.Contains(string(body), "CapabilityID") {
			t.Fatalf("unexpected command body %s", body)
		}
		w.WriteHeader(http.StatusCreated)
		_, _ = io.WriteString(w, `{"State":"SUCCEEDED"}`)
	}))
	defer commitRuntime.Close()
	handler, err := newHandler("http://core-runtime.invalid", "http://continuity-runtime.invalid", commitRuntime.URL, commitRuntime.Client())
	if err != nil {
		t.Fatal(err)
	}
	request := httptest.NewRequest(http.MethodPost, "/api/actions/satisfy-delivered", strings.NewReader(`{"ProspectiveItemID":"prospective-1"}`))
	request.Header.Set("Authorization", "Bearer bounded-session")
	request.Header.Set("Content-Type", "application/json")
	response := httptest.NewRecorder()
	handler.ServeHTTP(response, request)
	if response.Code != http.StatusCreated || !strings.Contains(response.Body.String(), "SUCCEEDED") {
		t.Fatalf("response = %d %s", response.Code, response.Body.String())
	}
}

func TestGatewayRoutesTypedNotificationCommandToCommit(t *testing.T) {
	commitRuntime := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.URL.Path != "/v1/creator/continuity/notify-delivered" || r.Method != http.MethodPost {
			t.Fatalf("unexpected Commit target %s %s", r.Method, r.URL.Path)
		}
		body, _ := io.ReadAll(r.Body)
		text := string(body)
		if !strings.Contains(text, "prospective-1") || !strings.Contains(text, "Confirm") || strings.Contains(text, "URL") || strings.Contains(text, "CapabilityID") {
			t.Fatalf("unexpected notification body %s", text)
		}
		w.WriteHeader(http.StatusCreated)
		_, _ = io.WriteString(w, `{"State":"SUCCEEDED"}`)
	}))
	defer commitRuntime.Close()
	handler, err := newHandler("http://core-runtime.invalid", "http://continuity-runtime.invalid", commitRuntime.URL, commitRuntime.Client())
	if err != nil {
		t.Fatal(err)
	}
	request := httptest.NewRequest(http.MethodPost, "/api/actions/notify-delivered", strings.NewReader(`{"ProspectiveItemID":"prospective-1","Confirm":true}`))
	request.Header.Set("Authorization", "Bearer bounded-session")
	request.Header.Set("Content-Type", "application/json")
	response := httptest.NewRecorder()
	handler.ServeHTTP(response, request)
	if response.Code != http.StatusCreated {
		t.Fatalf("response=%d %s", response.Code, response.Body.String())
	}
}

func TestGatewayRoutesCreatorActionHistoryToCommit(t *testing.T) {
	commitRuntime := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.URL.Path != "/v1/creator/authorized-actions" || r.URL.RawQuery != "limit=25" || r.Method != http.MethodGet {
			t.Fatalf("unexpected Commit history target %s?%s %s", r.URL.Path, r.URL.RawQuery, r.Method)
		}
		if r.Header.Get("Authorization") != "Bearer bounded-session" {
			t.Fatal("authorization header was not forwarded")
		}
		_, _ = io.WriteString(w, `{"Items":[{"AuthorizedActionID":"authorized-1"}]}`)
	}))
	defer commitRuntime.Close()
	handler, err := newHandler("http://core-runtime.invalid", "http://continuity-runtime.invalid", commitRuntime.URL, commitRuntime.Client())
	if err != nil {
		t.Fatal(err)
	}
	request := httptest.NewRequest(http.MethodGet, "/api/actions?limit=25", nil)
	request.Header.Set("Authorization", "Bearer bounded-session")
	response := httptest.NewRecorder()
	handler.ServeHTTP(response, request)
	if response.Code != http.StatusOK || !strings.Contains(response.Body.String(), "authorized-1") {
		t.Fatalf("response = %d %s", response.Code, response.Body.String())
	}
}

func TestConsoleAndSecurityHeaders(t *testing.T) {
	handler, err := newHandler("http://core-runtime:8080", "http://continuity-runtime:8081", "http://commit-runtime:8082", http.DefaultClient)
	if err != nil {
		t.Fatal(err)
	}
	request := httptest.NewRequest(http.MethodGet, "/", nil)
	response := httptest.NewRecorder()
	handler.ServeHTTP(response, request)
	if response.Code != http.StatusOK || !strings.Contains(response.Body.String(), "Домовой") ||
		!strings.Contains(response.Body.String(), "satisfaction-dialog") || !strings.Contains(response.Body.String(), "Подтверждаю переход") ||
		!strings.Contains(response.Body.String(), "action-history") || !strings.Contains(response.Body.String(), "Журнал действий") ||
		!strings.Contains(response.Body.String(), "advisory-form") || !strings.Contains(response.Body.String(), "Спросить Домового") ||
		!strings.Contains(response.Body.String(), "advisory-egress-ack") || !strings.Contains(response.Body.String(), "внешнему провайдеру") ||
		!strings.Contains(response.Body.String(), "creator-username") || !strings.Contains(response.Body.String(), "creator-password") ||
		strings.Contains(response.Body.String(), "bootstrap-token") {
		t.Fatalf("console response = %d", response.Code)
	}
	if response.Header().Get("Content-Security-Policy") == "" {
		t.Fatal("content security policy is missing")
	}
}

func TestAdvisoryModeRejectsInvalidConfiguration(t *testing.T) {
	_, err := newHandlerWithAdvisoryMode("http://core.invalid", "http://continuity.invalid", "http://commit.invalid", http.DefaultClient, "browser-selected")
	if err == nil || !strings.Contains(err.Error(), "invalid advisory binding mode") {
		t.Fatalf("error=%v", err)
	}
}

func TestLegacyExternalAdvisoryPolicyRequiresAuthenticatedCreatorSession(t *testing.T) {
	t.Skip("superseded by registry-derived advisory policy tests")
	core := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.URL.Path != "/v1/creator/sessions/current" || r.Header.Get("Authorization") != "Bearer bounded-session" {
			t.Fatalf("unexpected policy authentication request %s %q", r.URL.Path, r.Header.Get("Authorization"))
		}
		_, _ = io.WriteString(w, `{"ActorID":"creator-actor","PrincipalID":"creator-principal","ExpiresAtUnix":2000000000}`)
	}))
	defer core.Close()
	handler, err := newHandlerWithAdvisoryMode(core.URL, "http://continuity.invalid", "http://commit.invalid", core.Client(), legacyExternalMode)
	if err != nil {
		t.Fatal(err)
	}
	denied := httptest.NewRecorder()
	handler.ServeHTTP(denied, httptest.NewRequest(http.MethodGet, "/api/advisory-policy", nil))
	if denied.Code != http.StatusUnauthorized {
		t.Fatalf("unauthenticated status=%d", denied.Code)
	}
	request := httptest.NewRequest(http.MethodGet, "/api/advisory-policy", nil)
	request.Header.Set("Authorization", "Bearer bounded-session")
	response := httptest.NewRecorder()
	handler.ServeHTTP(response, request)
	if response.Code != http.StatusOK || response.Header().Get("Cache-Control") != "no-store" {
		t.Fatalf("response=%d cache=%q body=%s", response.Code, response.Header().Get("Cache-Control"), response.Body.String())
	}
	var policy advisoryPolicy
	if err := json.Unmarshal(response.Body.Bytes(), &policy); err != nil {
		t.Fatal(err)
	}
	if !policy.ExternalEgress || !policy.AcknowledgementRequired {
		t.Fatalf("unexpected policy %+v", policy)
	}
}

func TestLegacyExternalAdvisoryRequiresPerRequestAcknowledgementBeforeUpstreamCalls(t *testing.T) {
	t.Skip("acknowledgement is enforced by the cognitive gateway")
	called := false
	upstream := httptest.NewServer(http.HandlerFunc(func(http.ResponseWriter, *http.Request) { called = true }))
	defer upstream.Close()
	handler, err := newHandlerWithAdvisoryMode(upstream.URL, upstream.URL, upstream.URL, upstream.Client(), legacyExternalMode, upstream.URL)
	if err != nil {
		t.Fatal(err)
	}
	request := httptest.NewRequest(http.MethodPost, "/api/advisory", strings.NewReader(`{"message":"help","session_id":"focus-session","workspace_id":"home","egress_acknowledged":false}`))
	request.Header.Set("Authorization", "Bearer bounded-session")
	response := httptest.NewRecorder()
	handler.ServeHTTP(response, request)
	if response.Code != http.StatusBadRequest || called {
		t.Fatalf("status=%d upstream_called=%t", response.Code, called)
	}
}

func TestLegacyExternalAdvisoryUsesOnlyServerSelectedRouteAndBinding(t *testing.T) {
	t.Skip("superseded by provider-neutral gateway route test")
	core := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/v1/creator/sessions/current":
			_, _ = io.WriteString(w, `{"ActorID":"creator-actor","PrincipalID":"creator-principal","ExpiresAtUnix":2000000000}`)
		case "/v1/creator/focus":
			_, _ = io.WriteString(w, `{"ID":"focus-1","ActorID":"creator-actor","SessionID":"focus-session","Workspace":"home","ScopeID":"trusted-scope","Active":true}`)
		default:
			t.Fatalf("unexpected core path %s", r.URL.Path)
		}
	}))
	defer core.Close()
	cognitiveRuntime := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.URL.Path != "/v1/advisories" {
			t.Fatalf("unexpected cognitive path %s", r.URL.Path)
		}
		var trusted cognitive.GatewayAdvisoryRequest
		if err := json.NewDecoder(r.Body).Decode(&trusted); err != nil {
			t.Fatal(err)
		}
		if len(trusted.Context) != 0 || trusted.Message != "help" {
			t.Fatalf("unexpected trusted request %+v", trusted)
		}
		_ = json.NewEncoder(w).Encode(cognitive.GatewayAdvisoryResponse{Version: cognitive.CreatorAdvisoryV1, RequestID: trusted.RequestID, AdvisoryText: "Проверьте границы.", FinishReason: cognitive.FinishCompleted, Usage: &cognitive.ProviderUsage{InputUnits: 2, OutputUnits: 3}})
	}))
	defer cognitiveRuntime.Close()
	handler, err := newHandlerWithAdvisoryMode(core.URL, "http://continuity.invalid", "http://commit.invalid", core.Client(), legacyExternalMode, cognitiveRuntime.URL)
	if err != nil {
		t.Fatal(err)
	}
	request := httptest.NewRequest(http.MethodPost, "/api/advisory", strings.NewReader(`{"message":"help","session_id":"focus-session","workspace_id":"home","egress_acknowledged":true}`))
	request.Header.Set("Authorization", "Bearer bounded-session")
	response := httptest.NewRecorder()
	handler.ServeHTTP(response, request)
	if response.Code != http.StatusOK || !strings.Contains(response.Body.String(), "Проверьте границы") {
		t.Fatalf("response=%d %s", response.Code, response.Body.String())
	}
}

func TestLegacyExternalAdvisoryRejectsBrowserSelectedBinding(t *testing.T) {
	handler, err := newHandlerWithAdvisoryMode("http://core.invalid", "http://continuity.invalid", "http://commit.invalid", http.DefaultClient, legacyExternalMode)
	if err != nil {
		t.Fatal(err)
	}
	request := httptest.NewRequest(http.MethodPost, "/api/advisory", strings.NewReader(`{"message":"help","session_id":"focus-session","workspace_id":"home","egress_acknowledged":true,"provider_binding_id":"attacker"}`))
	request.Header.Set("Authorization", "Bearer bounded-session")
	response := httptest.NewRecorder()
	handler.ServeHTTP(response, request)
	if response.Code != http.StatusBadRequest {
		t.Fatalf("status=%d body=%s", response.Code, response.Body.String())
	}
}

func TestLegacyExternalAdvisoryResponseValidationFailsClosed(t *testing.T) {
	request := cognitive.GatewayAdvisoryRequest{Version: cognitive.CreatorAdvisoryV1, RequestID: "request-1", MaxOutputBytes: 16}
	valid := cognitive.GatewayAdvisoryResponse{Version: cognitive.CreatorAdvisoryV1, RequestID: request.RequestID, AdvisoryText: "совет", FinishReason: cognitive.FinishCompleted}
	if !validAdvisoryResponse(valid, request) {
		t.Fatal("valid completed response was rejected")
	}
	invalid := []cognitive.GatewayAdvisoryResponse{
		{Version: cognitive.CreatorAdvisoryV1, RequestID: request.RequestID, FinishReason: cognitive.FinishCompleted},
		{Version: cognitive.CreatorAdvisoryV1, RequestID: request.RequestID, AdvisoryText: "unexpected", FinishReason: cognitive.FinishTimeout},
		{Version: cognitive.CreatorAdvisoryV1, RequestID: request.RequestID, AdvisoryText: "0123456789abcdefg", FinishReason: cognitive.FinishCompleted},
		{Version: cognitive.CreatorAdvisoryV1, RequestID: request.RequestID, AdvisoryText: "ok", ReferencedExcerptIDs: []cognitive.ContextExcerptID{"untrusted"}, FinishReason: cognitive.FinishCompleted},
		{Version: cognitive.CreatorAdvisoryV1, RequestID: request.RequestID, AdvisoryText: "ok", FinishReason: cognitive.FinishCompleted, Usage: &cognitive.ProviderUsage{InputUnits: -1}},
	}
	for index, response := range invalid {
		if validAdvisoryResponse(response, request) {
			t.Fatalf("invalid response %d was accepted: %+v", index, response)
		}
	}
}

func TestAdvisoryRequiresSessionBeforeUpstreamCalls(t *testing.T) {
	called := false
	upstream := httptest.NewServer(http.HandlerFunc(func(http.ResponseWriter, *http.Request) { called = true }))
	defer upstream.Close()
	handler, err := newHandler(upstream.URL, upstream.URL, upstream.URL, upstream.Client(), upstream.URL)
	if err != nil {
		t.Fatal(err)
	}
	request := httptest.NewRequest(http.MethodPost, "/api/advisory", strings.NewReader(`{"message":"help","session_id":"focus-session","workspace_id":"home"}`))
	response := httptest.NewRecorder()
	handler.ServeHTTP(response, request)
	if response.Code != http.StatusUnauthorized || called {
		t.Fatalf("status=%d upstream_called=%t", response.Code, called)
	}
}

func TestAdvisoryAssemblesTrustedIdentityAndScope(t *testing.T) {
	longMessage := strings.Repeat("a", 16*1024)
	core := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.Header.Get("Authorization") != "Bearer bounded-session" {
			t.Fatal("missing bounded session")
		}
		w.Header().Set("Content-Type", "application/json")
		switch r.URL.Path {
		case "/v1/creator/sessions/current":
			_, _ = io.WriteString(w, `{"ActorID":"creator-actor","PrincipalID":"creator-principal","ExpiresAtUnix":2000000000}`)
		case "/v1/creator/focus":
			if r.URL.Query().Get("session_id") != "focus-session" || r.URL.Query().Get("workspace_id") != "home" {
				t.Fatalf("unexpected focus query: %s", r.URL.RawQuery)
			}
			_, _ = io.WriteString(w, `{"ID":"focus-1","ActorID":"creator-actor","SessionID":"focus-session","Workspace":"home","ProjectID":"domovoy","GoalID":"goal-1","ScopeID":"trusted-scope","Active":true}`)
		default:
			t.Fatalf("unexpected core path %s", r.URL.Path)
		}
	}))
	defer core.Close()
	cognitive := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		body, _ := io.ReadAll(r.Body)
		text := string(body)
		var trusted cognitive.AdvisoryRequest
		if err := json.Unmarshal(body, &trusted); err != nil {
			t.Fatal(err)
		}
		if trusted.ActorID != "creator-actor" || trusted.PrincipalID != "creator-principal" || trusted.ScopeID != "trusted-scope" || trusted.Message != longMessage || strings.Contains(text, "attacker") {
			t.Fatal("cognitive request was not assembled from trusted context")
		}
		var request map[string]any
		_ = json.Unmarshal(body, &request)
		_, _ = fmt.Fprintf(w, `{"Version":"creator-advisory-v1","RequestID":%q,"AdvisoryText":"","ReferencedExcerptIDs":null,"FinishReason":"PROVIDER_UNAVAILABLE","Usage":null}`, request["RequestID"])
	}))
	defer cognitive.Close()
	handler, err := newHandler(core.URL, "http://continuity.invalid", "http://commit.invalid", core.Client(), cognitive.URL)
	if err != nil {
		t.Fatal(err)
	}
	request := httptest.NewRequest(http.MethodPost, "/api/advisory", strings.NewReader(fmt.Sprintf(`{"message":%q,"session_id":"focus-session","workspace_id":"home"}`, longMessage)))
	request.Header.Set("Authorization", "Bearer bounded-session")
	request.Header.Set("Content-Type", "application/json")
	response := httptest.NewRecorder()
	handler.ServeHTTP(response, request)
	if response.Code != http.StatusOK || !strings.Contains(response.Body.String(), "PROVIDER_UNAVAILABLE") {
		t.Fatalf("response=%d %s", response.Code, response.Body.String())
	}
}

func TestAdvisoryRejectsBrowserAuthorityFieldsBeforeCognitiveCall(t *testing.T) {
	called := false
	cognitive := httptest.NewServer(http.HandlerFunc(func(http.ResponseWriter, *http.Request) { called = true }))
	defer cognitive.Close()
	handler, err := newHandler("http://core.invalid", "http://continuity.invalid", "http://commit.invalid", http.DefaultClient, cognitive.URL)
	if err != nil {
		t.Fatal(err)
	}
	request := httptest.NewRequest(http.MethodPost, "/api/advisory", strings.NewReader(`{"message":"help","session_id":"focus-session","workspace_id":"home","ActorID":"attacker"}`))
	request.Header.Set("Authorization", "Bearer bounded-session")
	response := httptest.NewRecorder()
	handler.ServeHTTP(response, request)
	if response.Code != http.StatusBadRequest || called {
		t.Fatalf("status=%d cognitive_called=%t", response.Code, called)
	}
}