package miniauth

import (
	"testing"

	"git.keks.cloud/kekskurse/miniauth/pkg/userstore"
	"github.com/stretchr/testify/assert"
)

func TestInvalideUsernames(t *testing.T) {
	tts := []struct {
		name     string
		username string
		exptErr  error
	}{
		{
			name:     "not-to-short",
			username: "abc",
			exptErr:  ErrUserHasInvalideChars,
		},
		{
			name:     "not-to-long",
			username: "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz",
			exptErr:  ErrUserHasInvalideChars,
		},
		{
			name:     "special charakters",
			username: "abcöfg",
			exptErr:  ErrUserHasInvalideChars,
		},
		{
			name:     "with a dot",
			username: "kekskurse.16",
			exptErr:  ErrUserHasInvalideChars,
		},
		{
			name:     "username-ok",
			username: "kekskurse",
			exptErr:  nil,
		},
		{
			name:     "username already taken",
			username: "testuser",
			exptErr:  ErrUsernameIsTaken,
		},
	}

	ma := getMiniAuth(t)
	_, err := ma.store.UserWrite("testuser", "testpassword")
	assert.Nil(t, err, "[setup] should be abel to write user without error")
	for _, tt := range tts {
		t.Run(tt.name, func(t *testing.T) {
			err := ma.checkUsernameForRegistration(tt.username)
			assert.Equal(t, tt.exptErr, err)
		})
	}
}

func getMiniAuth(t *testing.T) Miniauth {
	us, err := userstore.NewDummyStore()
	assert.Nil(t, err, "[setup] should be abel to creat dummy store")
	m := NewMiniauth(us)
	return m
}