using FruitBank.Common.Dtos;
using Nop.Core.Domain.Common;

namespace Nop.Plugin.Misc.FruitBankPlugin.Services;

/// <summary>
/// Builds the frozen <see cref="OrderSiteSnapshot"/> for an order from a customer
/// Address. Shaped to the NAV EKÁER LocationType (UnloadLocation). Stateless — used
/// by both the OrderPlacedEvent auto-assign and the manual save endpoint.
/// </summary>
public static class OrderSiteSnapshotBuilder
{
    public static OrderSiteSnapshot FromAddress(Address a, string? customerVatNumber)
    {
        var name = !string.IsNullOrWhiteSpace(a.Company)
            ? a.Company
            : $"{a.FirstName} {a.LastName}".Trim();

        var street = string.Join(" ", new[] { a.Address1, a.Address2 }
            .Where(s => !string.IsNullOrWhiteSpace(s)));

        var locality = $"{a.ZipPostalCode} {a.City}".Trim();

        var display = string.Join(", ", new[] { name, street, locality }
            .Where(s => !string.IsNullOrWhiteSpace(s)));

        return new OrderSiteSnapshot
        {
            SourceAddressId = a.Id,
            Name        = string.IsNullOrWhiteSpace(name) ? null : name,
            VatNumber   = customerVatNumber,
            CountryCode = "HU", // outgoing EKÁER is domestic; export would resolve a.CountryId
            ZipCode     = a.ZipPostalCode,
            City        = a.City,
            Street      = string.IsNullOrWhiteSpace(street) ? null : street,
            Display     = string.IsNullOrWhiteSpace(display) ? $"#{a.Id}" : display
        };
    }
}