package api

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

func TestCreateLeadRejectsBrokenEncoding(t *testing.T) {
	a := New(nil, "")
	// имя в cp1251 внутри JSON: декодер превращает такие байты в U+FFFD
	body := "{\"name\":\"\xc8\xe2\xe0\xed\",\"phone\":\"+7 928 962-00-94\",\"consent\":true}"
	w := httptest.NewRecorder()
	a.createLead(w, httptest.NewRequest(http.MethodPost, "/api/v1/leads", strings.NewReader(body)))
	if w.Code != http.StatusBadRequest || !strings.Contains(w.Body.String(), "bad_encoding") {
		t.Fatalf("got %d %s", w.Code, w.Body.String())
	}
}

func TestCleanUTM(t *testing.T) {
	got := cleanUTM(map[string]string{
		"utm_source": " yandex ", "referrer": "vk.com", "evil": "x", "utm_term": "",
		"utm_campaign": strings.Repeat("я", 300),
	})
	if got["utm_source"] != "yandex" || got["referrer"] != "vk.com" || len(got) != 3 {
		t.Fatalf("cleanUTM = %v", got)
	}
	if n := len([]rune(got["utm_campaign"])); n != 200 {
		t.Fatalf("utm_campaign not truncated: %d", n)
	}
}