package main

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

	"git.andreafazzi.eu/andrea/testhub/logger"
	"git.andreafazzi.eu/andrea/testhub/models"
	"git.andreafazzi.eu/andrea/testhub/store"
	"github.com/remogatto/prettytest"
)

type testSuite struct {
	prettytest.Suite
}

type TestResponse struct {
	Status  string         `json:"success"`
	Content []*models.Quiz `json:"content"`
}

type StubTestHubCollectorStore struct {
	tests []*models.Quiz
}

func (store *StubTestHubCollectorStore) CreateQuiz(test *store.CreateQuizRequest) *models.Quiz {
	return nil
}

func (store *StubTestHubCollectorStore) ReadAllQuizzes() ([]*models.Quiz, error) {
	return store.tests, nil
}

func TestRunner(t *testing.T) {
	prettytest.Run(
		t,
		new(testSuite),
		new(integrationTestSuite),
	)
}

func (t *testSuite) BeforeAll() {
	logger.SetLevel(logger.Disabled)
}

func (t *testSuite) TestGETQuestions() {
	expectedResult := &TestResponse{
		Status: "success",
		Content: []*models.Quiz{
			{
				Question: &models.Question{ID: "1", Text: "Question 1"},
				Answers:  []*models.Answer{{}, {}, {}},
			},
		},
	}

	store := &StubTestHubCollectorStore{[]*models.Quiz{
		{
			Question: &models.Question{ID: "1", Text: "Question 1"},
			Answers:  []*models.Answer{{}, {}, {}},
		},
	}}

	server := NewQuizHubCollectorServer(store)

	request, _ := http.NewRequest(http.MethodGet, "/tests", nil)
	response := httptest.NewRecorder()

	server.ServeHTTP(response, request)

	result := getResponse(response.Body)

	t.True(result.Status == expectedResult.Status)
	t.True(testsAreEqual(result, expectedResult))

	t.Equal(http.StatusOK, response.Code)
}

func getResponse(body io.Reader) (response *TestResponse) {
	err := json.NewDecoder(body).Decode(&response)
	if err != nil {
		panic(fmt.Errorf("Unable to parse response from server %q into slice of Test, '%v'", body, err))
	}

	return
}

func testsAreEqual(got, want *TestResponse) bool {
	return reflect.DeepEqual(got, want)
}