package monitor

import (
	"net/http"
	"net/http/httptest"
	"testing"

	"code.tczkiot.com/wlw/taskq/x/inspector"
)

func TestNewValidatesOptions(t *testing.T) {
	_, err := New(Options{})
	if err == nil {
		t.Fatalf("expected error when options missing")
	}

	// valid case
	ins := &inspector.Inspector{}
	m, err := New(Options{Inspector: ins, Queues: map[string]int{"default": 1}})
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if m.RootPath() != "/monitor" {
		t.Fatalf("unexpected root path: %s", m.RootPath())
	}
}

func TestHandleIndexServesUI(t *testing.T) {
	ins := &inspector.Inspector{}
	m, err := New(Options{Inspector: ins, Queues: map[string]int{"default": 1}, RootPath: "/my"})
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	req := httptest.NewRequest(http.MethodGet, "/my/", nil)
	w := httptest.NewRecorder()
	m.ServeHTTP(w, req)

	resp := w.Result()
	if resp.StatusCode != http.StatusOK {
		t.Fatalf("expected 200 OK, got %d", resp.StatusCode)
	}
	// body should contain the root path replacement
	body := w.Body.String()
	if body == "" {
		t.Fatalf("expected non-empty index body")
	}
}