package tui

import (
	"testing"

	"github.com/lukaszkasprzak/lectio/internal/config"
)

func TestVersionCycle(t *testing.T) {
	m := New(config.Config{Versions: []string{"pl", "wuj", "vul"}, DefaultVersion: "pl"})
	if m.version() != "pl" {
		t.Fatalf("start = %q", m.version())
	}
	m = m.cycleVersion(+1)
	if m.version() != "wuj" {
		t.Errorf("after tab = %q", m.version())
	}
	m = m.cycleVersion(-1)
	if m.version() != "pl" {
		t.Errorf("after shift-tab = %q", m.version())
	}
}

func TestOfflineDropsPL(t *testing.T) {
	m := New(config.Config{Versions: []string{"pl", "wuj", "vul"}, DefaultVersion: "pl", Offline: true})
	for _, v := range m.versions {
		if v == "pl" {
			t.Error("offline model kept pl")
		}
	}
}