package wegmans

import (
	"context"
	"net/url"
	"testing"
)

func TestGetItemPrice_NilBrowser(t *testing.T) {
	u, _ := url.Parse("https://shop.wegmans.com/product/24921")
	_, err := DefaultConfig.GetItemPrice(context.Background(), nil, u)
	if err != ErrNilBrowser {
		t.Errorf("expected ErrNilBrowser, got %v", err)
	}
}

func TestGetItemPrice_NilURL(t *testing.T) {
	// NilBrowser check comes before NilURL, so we can't test NilURL
	// independently without a real browser. Verify the error sentinel exists.
	if ErrNilURL.Error() != "url is nil" {
		t.Errorf("ErrNilURL = %q, want %q", ErrNilURL.Error(), "url is nil")
	}
}

func TestGetItemPrice_ErrorSentinels(t *testing.T) {
	if ErrInvalidURL.Error() != "invalid url" {
		t.Errorf("ErrInvalidURL = %q, want %q", ErrInvalidURL.Error(), "invalid url")
	}
	if ErrNilBrowser.Error() != "browser is nil" {
		t.Errorf("ErrNilBrowser = %q, want %q", ErrNilBrowser.Error(), "browser is nil")
	}
}

func TestItem_ZeroValue(t *testing.T) {
	var item Item
	if item.ID != 0 || item.Name != "" || item.Price != 0 || item.UnitPrice != 0 || item.Unit != "" {
		t.Error("zero-value Item should have empty/zero fields")
	}
}