package service_test

import (
	"context"
	"encoding/base64"
	"testing"
	"time"

	"gitea.dwysokinski.me/twhelp/sessions/internal/domain"
	"gitea.dwysokinski.me/twhelp/sessions/internal/service"
	"gitea.dwysokinski.me/twhelp/sessions/internal/service/internal/mock"
	"github.com/google/uuid"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestSession_CreateOrUpdate(t *testing.T) {
	t.Parallel()

	t.Run("OK", func(t *testing.T) {
		t.Parallel()

		params, err := domain.NewCreateSessionParams(
			"pl151",
			base64.StdEncoding.EncodeToString([]byte(uuid.NewString())),
			111,
		)
		require.NoError(t, err)

		repo := &mock.FakeSessionRepository{}
		repo.CreateOrUpdateCalls(func(ctx context.Context, params domain.CreateSessionParams) (domain.Session, error) {
			return domain.Session{
				ID:        1111,
				UserID:    params.UserID(),
				ServerKey: params.ServerKey(),
				SID:       params.SID(),
				CreatedAt: time.Now(),
				UpdatedAt: time.Now(),
			}, nil
		})

		userSvc := &mock.FakeUserGetter{}
		userSvc.GetReturns(domain.User{
			ID: params.UserID(),
		}, nil)

		sess, err := service.NewSession(repo, userSvc).CreateOrUpdate(context.Background(), params)
		assert.NoError(t, err)
		assert.Greater(t, sess.ID, int64(0))
		assert.Equal(t, params.UserID(), sess.UserID)
		assert.Equal(t, params.SID(), sess.SID)
		assert.Equal(t, params.ServerKey(), sess.ServerKey)
		assert.WithinDuration(t, time.Now(), sess.CreatedAt, 10*time.Millisecond)
		assert.WithinDuration(t, time.Now(), sess.UpdatedAt, 10*time.Millisecond)
	})

	t.Run("ERR: user doesnt exist", func(t *testing.T) {
		t.Parallel()

		params, err := domain.NewCreateSessionParams(
			"pl151",
			base64.StdEncoding.EncodeToString([]byte(uuid.NewString())),
			111,
		)
		require.NoError(t, err)

		userSvc := &mock.FakeUserGetter{}
		userSvc.GetReturns(domain.User{}, domain.UserNotFoundError{ID: params.UserID()})

		sess, err := service.NewSession(nil, userSvc).CreateOrUpdate(context.Background(), params)
		assert.ErrorIs(t, err, domain.UserDoesNotExistError{ID: params.UserID()})
		assert.Zero(t, sess)
	})
}