phronCare/phronCare.UIBlazor/Pages/Sales/Customers.razor

@page "/customers"
@using phronCare.UIBlazor.Services.Sales
@using phronCare.UIBlazor.Data
@using Domain.Entities
@using Domain.Generics

@inject CustomerHttpService CustomerService

<h3 class="text-xl font-bold mb-4">Buscar Clientes</h3>

<div class="mb-4 space-y-2">
    <input @bind="SearchParams.Name" placeholder="Nombre" class="border rounded p-1 w-full" />
    <input @bind="SearchParams.Email" placeholder="Email" class="border rounded p-1 w-full" />
    <input @bind="SearchParams.Document" placeholder="Documento" class="border rounded p-1 w-full" />
    <button class="bg-blue-500 text-white px-4 py-2 rounded" @onclick="BuscarClientes">Buscar</button>
</div>

@if (TablaClientes != null && TablaClientes.Any())
{
    <PhTable Columns="TableColumns"
             Data="TablaClientes"
             RowsPerPage=SearchParams.PageSize
             ShowPageButtons="false"
             ShowQuickSearch="false"
             RenderSelect="false"
             RenderButtons="false" />

    <div class="mt-4 flex justify-between items-center">
        <button class="bg-gray-300 px-4 py-2 rounded" @onclick="AnteriorPagina" disabled="@(!PuedeRetroceder)">Anterior</button>
        <span>Página @SearchParams.Page de @TotalPaginas</span>
        <button class="bg-gray-300 px-4 py-2 rounded" @onclick="SiguientePagina" disabled="@(!PuedeAvanzar)">Siguiente</button>
    </div>
}
else
{
    <p>No hay resultados.</p>
}

@code {
    private CustomerSearchParams SearchParams = new();
    private PagedResult<ECustomer>? PagedResult;
    private List<Dictionary<string, object>> TablaClientes = new();
    private List<string> TableColumns = new()
    {
        "Id", "Nombre", "Razon Social", "Activo", "Código Externo", "Crédito", "Límite",
        "Email", "Teléfono", "Dirección", "Documento"
    };

    private async Task BuscarClientes()
    {
        SearchParams.Page = 1;
        await CargarClientes();
    }

    private async Task CargarClientes()
    {
        PagedResult = await CustomerService.SearchCustomersAsync(SearchParams);

        TablaClientes = PagedResult.Items.Select(c =>
        {
            var addr = c.PhSCustomerAddresses.FirstOrDefault();
            var doc = c.PhSCustomerDocuments.FirstOrDefault();

            return new Dictionary<string, object>
                {
                { "Id", c.Id },
                { "Nombre", c.Name ?? string.Empty },
                { "Razon Social", c.BusinessName ?? string.Empty },
                { "Activo", c.Active ? "Sí" : "No" },
                { "Código Externo", c.ExternalCode },
                { "Crédito", c.HasCreditAccount ? "Sí" : "No" },
                { "Límite", c.CreditLimit },
                { "Email", addr?.Email ?? "" },
                { "Teléfono", addr?.Phonenumber ?? "" },
                { "Dirección", $"{addr?.Streetaddress1} {addr?.Streetaddress2}, {addr?.City}, {addr?.Postalcode}, {addr?.Country}" },
                { "Documento", $"{doc?.DocumentNumber} | {doc?.IssueDate?.ToString("yyyy-MM-dd")} - {doc?.ExpiryDate?.ToString("yyyy-MM-dd")}" }
                };
        }).ToList();
    }

    private async Task SiguientePagina()
    {
        if (PuedeAvanzar)
        {
            SearchParams.Page++;
            await CargarClientes();
        }
    }

    private async Task AnteriorPagina()
    {
        if (PuedeRetroceder)
        {
            SearchParams.Page--;
            await CargarClientes();
        }
    }

    private int TotalPaginas => PagedResult is null ? 1 :
        (int)Math.Ceiling((double)(PagedResult.TotalItems) / SearchParams.PageSize);

    private bool PuedeAvanzar => PagedResult != null && SearchParams.Page < TotalPaginas;
    private bool PuedeRetroceder => PagedResult != null && SearchParams.Page > 1;
}