package test

import (
	"RenewCMS/api/handlers/article"
	domainArticle "RenewCMS/internal/domain/article"
	domainImage "RenewCMS/internal/domain/image"
	"RenewCMS/internal/infrastructure/useCases"
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/go-chi/chi/v5"
	"github.com/go-chi/jwtauth/v5"

	validator "RenewCMS/api/pkg/validator"
)

func newArticlesListRouter(articleRepo *mockArticleRepo, token *jwtauth.JWTAuth) *chi.Mux {
	userRepo := newVerifiedUserRepo()
	getUserUseCase := useCases.NewGetUserUseCase(userRepo)

	articleHandler := article.NewHandler(
		useCases.NewCreateArticleUseCase(articleRepo),
		useCases.NewGetArticleUseCase(articleRepo),
		useCases.NewListArticlesUseCase(articleRepo),
		useCases.NewDeleteArticleUseCase(articleRepo, newMockImageRepo()),
		useCases.NewUpdateArticleUseCase(articleRepo),
		getUserUseCase,
	)

	r := chi.NewRouter()
	r.Route("/v1", func(r chi.Router) {
		r.Route("/article", func(r chi.Router) {
			r.Use(jwtauth.Verifier(token))
			r.Get("/", articleHandler.ListArticles)
		})
	})
	return r
}

func TestArticlesListHttp(t *testing.T) {
	validator.InitValidator()
	token := jwtauth.New("HS256", []byte("test-secret"), nil)

	t.Run("GET /v1/article/ returns each article's images array populated", func(t *testing.T) {
		repo := newMockArticleRepo()
		repo.articles[4] = domainArticle.Article{
			ID:    4,
			Title: "Winter checklist for timber windows",
			Images: []*domainImage.Image{
				{ID: 10, ArticleID: 4},
				{ID: 11, ArticleID: 4},
			},
		}

		router := newArticlesListRouter(repo, token)
		req := httptest.NewRequest(http.MethodGet, "/v1/article/", nil)
		setJwtCookie(t, req, token, 1)
		rec := httptest.NewRecorder()
		router.ServeHTTP(rec, req)

		if rec.Code != http.StatusOK {
			t.Fatalf("expected status 200, got %d", rec.Code)
		}

		var got []domainArticle.Article
		if err := json.Unmarshal(rec.Body.Bytes(), &got); err != nil {
			t.Fatalf("failed to decode response: %v", err)
		}

		var found *domainArticle.Article
		for i := range got {
			if got[i].ID == 4 {
				found = &got[i]
			}
		}
		if found == nil {
			t.Fatalf("expected article id 4 in response, got %v", got)
		}
		if len(found.Images) != 2 {
			t.Fatalf("expected 2 images, got %d", len(found.Images))
		}
		ids := map[uint32]bool{}
		for _, img := range found.Images {
			ids[img.ID] = true
		}
		if !ids[10] || !ids[11] {
			t.Errorf("expected images 10 and 11, got %v", found.Images)
		}
	})
}