package httpapi

import (
	"bytes"
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"testing"

	"tutor/internal/config"
	"tutor/internal/interview"
	"tutor/internal/learnermemory"
	"tutor/internal/ontology"
	"tutor/internal/progression"
	"tutor/internal/teachingassets"
	"tutor/internal/workflows"
)

func TestTeachingAssetsHTTPFlow(t *testing.T) {
	memory := learnermemory.NewService(learnermemory.NewMemoryStore())
	service := interview.NewService(interview.NewMemoryStore(), workflows.NewStubRunner(), memory)
	progress := progression.NewService(memory)
	onto := ontology.NewService(ontology.NewMemoryStore())
	assets := teachingassets.NewService(teachingassets.NewMemoryStore(), onto, "gpt-image-v2")
	handler := NewHandler(config.Config{Environment: "test"}, service, memory, progress, onto, assets)
	routes := handler.Routes()

	ingestBody := bytes.NewBufferString(`{
		"title":"Backend notes",
		"body":"Idempotent API retries need transactions."
	}`)
	ingestReq := httptest.NewRequest(http.MethodPost, "/api/v1/materials", ingestBody)
	ingestRec := httptest.NewRecorder()
	routes.ServeHTTP(ingestRec, ingestReq)
	if ingestRec.Code != http.StatusCreated {
		t.Fatalf("ingest status = %d, body = %s", ingestRec.Code, ingestRec.Body.String())
	}

	promptBody := bytes.NewBufferString(`{
		"concept_id":"http-idempotency",
		"asset_type":"diagram"
	}`)
	promptReq := httptest.NewRequest(http.MethodPost, "/api/v1/teaching-assets/prompts", promptBody)
	promptRec := httptest.NewRecorder()
	routes.ServeHTTP(promptRec, promptReq)
	if promptRec.Code != http.StatusCreated {
		t.Fatalf("prompt status = %d, body = %s", promptRec.Code, promptRec.Body.String())
	}

	var prompt teachingassets.PromptCandidate
	if err := json.NewDecoder(promptRec.Body).Decode(&prompt); err != nil {
		t.Fatalf("decode prompt response: %v", err)
	}
	if !prompt.RequiresModelIDVerification {
		t.Fatal("expected verification guard")
	}

	getReq := httptest.NewRequest(http.MethodGet, "/api/v1/teaching-assets", nil)
	getRec := httptest.NewRecorder()
	routes.ServeHTTP(getRec, getReq)
	if getRec.Code != http.StatusOK {
		t.Fatalf("assets status = %d, body = %s", getRec.Code, getRec.Body.String())
	}
}