package memory

import (
	"fmt"
	"reflect"
	"testing"

	"git.andreafazzi.eu/andrea/probo/client"
	"git.andreafazzi.eu/andrea/probo/hasher/sha256"
	"github.com/remogatto/prettytest"
)

type testSuite struct {
	prettytest.Suite
}

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

func (t *testSuite) TestReadQuizByHash() {
	store := NewMemoryProboCollectorStore(
		sha256.NewDefault256Hasher(sha256.DefaultSHA256HashingFn),
	)
	quiz, _ := store.CreateQuiz(
		&client.CreateUpdateQuizRequest{
			Quiz: &client.Quiz{
				Question: &client.Question{Text: "Newly created question text."},
				Answers: []*client.Answer{
					{Text: "Answer 1", Correct: true},
					{Text: "Answer 2", Correct: false},
					{Text: "Answer 3", Correct: false},
					{Text: "Answer 4", Correct: false},
				},
			},
		})
	quizFromMemory, err := store.ReadQuizByHash(quiz.Hash)
	t.Nil(err, "Quiz should be found in the store")
	if !t.Failed() {
		t.True(reflect.DeepEqual(quizFromMemory, quiz), "Quiz should be equal")
	}

}

func (t *testSuite) TestUpdateQuiz() {
	store := NewMemoryProboCollectorStore(
		sha256.NewDefault256Hasher(sha256.DefaultSHA256HashingFn),
	)
	quiz, _ := store.CreateQuiz(
		&client.CreateUpdateQuizRequest{
			Quiz: &client.Quiz{
				Question: &client.Question{Text: "Newly created question text."},
				Answers: []*client.Answer{
					{Text: "Answer 1", Correct: true},
					{Text: "Answer 2", Correct: false},
					{Text: "Answer 3", Correct: false},
					{Text: "Answer 4", Correct: false},
				},
			},
		})

	createdQuizHash := quiz.Hash

	updatedQuiz, updated, err := store.UpdateQuiz(
		&client.CreateUpdateQuizRequest{
			Quiz: &client.Quiz{
				Question: &client.Question{Text: "Updated question text."},
				Answers: []*client.Answer{
					{Text: "Answer 1", Correct: true},
					{Text: "Updated Answer 2", Correct: false},
					{Text: "Answer 3", Correct: false},
					{Text: "Answer 4", Correct: false},
				},
			},
		}, quiz.ID)

	t.Nil(err, fmt.Sprintf("The update returned an error: %v", err))

	if !t.Failed() {
		t.True(updated)
		t.True(createdQuizHash != updatedQuiz.Hash, "The two hashes should not be equal.")
		t.Equal(4, len(updatedQuiz.Answers))
		t.Equal("Updated question text.", updatedQuiz.Question.Text)
		t.Equal("Updated Answer 2", updatedQuiz.Answers[1].Text)
	}
}