package bugbox

import (
	"fmt"
	"net/http"
	"net/http/httptest"
	"testing"
)

func newGETEnclosureRequest(name string) *http.Request {
	request, _ := http.NewRequest(http.MethodGet, fmt.Sprintf("/enclosure/%s", name), nil)
	return request
}

func assertResponseBody(t testing.TB, got, want string) {
	t.Helper()
	if got != want {
		// a %q is a double quoted string
		t.Errorf("got %q, want %q", got, want)
	}
}

func assertStatus(t testing.TB, got, want int) {
	t.Helper()
	if got != want {
		t.Errorf("Status error, got %d want %d", got, want)
	}
}

type MockEnclosureStore struct {
	enclosures map[string]string
}

func (s *MockEnclosureStore) GetEnclosure(name string) string {
	e := s.enclosures[name]
	return e
}

func TestGETEnclosures(t *testing.T) {
	mockEnclosureStore := MockEnclosureStore{
		map[string]string{
			"1337": "1337",
			"7331": "7331"},
	}
	server := &BugBoxServer{EnclosureStore: &mockEnclosureStore}

	t.Run("returns enclosure 1337", func(t *testing.T) {
		// nil is used since we are not providing a request body
		request := newGETEnclosureRequest("1337")
		// response is a ResponseRecorder used for spying on response
		response := httptest.NewRecorder()

		server.ServeHTTP(response, request)

		assertResponseBody(t, response.Body.String(), "1337")
		assertStatus(t, response.Code, http.StatusOK)

	})
	t.Run("returns enclosure 7331", func(t *testing.T) {
		// nil is used since we are not providing a request body
		request := newGETEnclosureRequest("7331")
		// response is a ResponseRecorder used for spying on response
		response := httptest.NewRecorder()

		server.ServeHTTP(response, request)

		assertResponseBody(t, response.Body.String(), "7331")
		assertStatus(t, response.Code, http.StatusOK)
	})

	t.Run("returns 404 when enclosure missing", func(t *testing.T) {
		request := newGETEnclosureRequest("9000")
		response := httptest.NewRecorder()

		server.ServeHTTP(response, request)

		assertStatus(t, response.Code, http.StatusNotFound)
	})
}