package ui

import (
	"context"
	"testing"
	"time"

	"github.com/kamelion/ratatoskr-go/internal/chat"
)

func TestCommandsMapToText(t *testing.T) {
	var got []string
	c := NewCommands(func(text string) { got = append(got, text) })

	c.Start()
	c.Cancel()
	c.Skip()
	c.Retry(7)
	c.Status(7)
	c.Continue(3)
	c.Approve()
	c.SendText("просто текст")

	want := []string{"/start", "/cancel", "/skip", "/retry 7", "/status 7", "/continue 3", "создавай", "просто текст"}
	if len(got) != len(want) {
		t.Fatalf("got %d commands, want %d: %v", len(got), len(want), got)
	}
	for i := range want {
		if got[i] != want[i] {
			t.Errorf("command %d = %q, want %q", i, got[i], want[i])
		}
	}
}

func TestNilWindowSubmitReachesHandler(t *testing.T) {
	w := NewNilWindow()

	incoming := make(chan chat.Incoming, 1)
	w.OnMessage(func(inc chat.Incoming) {
		incoming <- inc
	})

	w.Submit("/start")

	select {
	case inc := <-incoming:
		if inc.UserID != UID {
			t.Errorf("UserID = %q, want %q", inc.UserID, UID)
		}
		if inc.Address != Address {
			t.Errorf("Address = %q, want %q", inc.Address, Address)
		}
		if inc.Msg.Text != "/start" {
			t.Errorf("Msg.Text = %q, want /start", inc.Msg.Text)
		}
	case <-time.After(2 * time.Second):
		t.Fatal("handler not called")
	}
}

func TestNilWindowRunStopsOnCancel(t *testing.T) {
	w := NewNilWindow()
	ctx, cancel := context.WithCancel(context.Background())
	done := make(chan error, 1)
	go func() { done <- w.Run(ctx) }()
	time.Sleep(50 * time.Millisecond)
	cancel()
	select {
	case <-done:
	case <-time.After(2 * time.Second):
		t.Fatal("Run did not stop on cancel")
	}
}

func TestNilWindowSendNoop(t *testing.T) {
	w := NewNilWindow()
	if err := w.Send(context.Background(), Address, chat.Message{Text: "hi"}); err != nil {
		t.Fatalf("Send: %v", err)
	}
}