package httpapi

import (
	"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/workflows"
)

func TestHealth(t *testing.T) {
	cfg := config.Config{
		Environment: "test",
		ModelKey:    "deepseek-v4-flash",
	}
	memory := learnermemory.NewService(learnermemory.NewMemoryStore())
	service := interview.NewService(interview.NewMemoryStore(), workflows.NewStubRunner(), memory)
	progress := progression.NewService(memory)
	onto := ontology.NewService(ontology.NewMemoryStore())
	handler := NewHandler(cfg, service, memory, progress, onto)

	req := httptest.NewRequest(http.MethodGet, "/healthz", nil)
	rec := httptest.NewRecorder()

	handler.Routes().ServeHTTP(rec, req)

	if rec.Code != http.StatusOK {
		t.Fatalf("status = %d, want %d", rec.Code, http.StatusOK)
	}

	var body healthResponse
	if err := json.NewDecoder(rec.Body).Decode(&body); err != nil {
		t.Fatalf("decode health response: %v", err)
	}
	if body.Status != "ok" {
		t.Fatalf("body.Status = %q", body.Status)
	}
	if body.Environment != "test" {
		t.Fatalf("body.Environment = %q", body.Environment)
	}
	if body.ModelKey != "deepseek-v4-flash" {
		t.Fatalf("body.ModelKey = %q", body.ModelKey)
	}
}