import { PageHeader } from "@erp/core/components";
import { useUrlParamId } from "@erp/core/hooks";
import { AppContent, AppHeader, BackHistoryButton } from "@repo/rdx-ui/components";
import {
  Badge,
  Button,
  Card,
  CardContent,
  CardHeader,
  CardTitle,
} from "@repo/shadcn-ui/components";
import {
  Banknote,
  EditIcon,
  FileText,
  Globe,
  Languages,
  Mail,
  MapPin,
  MoreVertical,
  Phone,
  Smartphone,
} from "lucide-react";
import { useNavigate } from "react-router-dom";
import { CustomerEditorSkeleton, ErrorAlert } from "../../components";
import { useCustomerQuery } from "../../hooks";
import { useTranslation } from "../../i18n";

export const CustomerViewPage = () => {
  const customerId = useUrlParamId();
  const { t } = useTranslation();
  const navigate = useNavigate();

  // 1) Estado de carga del cliente (query)
  const {
    data: customer,
    isLoading: isLoadingCustomer,
    isError: isLoadError,
    error: loadError,
  } = useCustomerQuery(customerId, { enabled: !!customerId });

  if (isLoadingCustomer) {
    return <CustomerEditorSkeleton />;
  }

  if (isLoadError) {
    return (
      <>
        <AppContent>
          <ErrorAlert
            title={t("pages.update.loadErrorTitle", "No se pudo cargar el cliente")}
            message={
              (loadError as Error)?.message ??
              t("pages.update.loadErrorMsg", "Inténtalo de nuevo más tarde.")
            }
          />

          <div className='flex items-center justify-end'>
            <BackHistoryButton />
          </div>
        </AppContent>
      </>
    );
  }

  return (
    <>
      <AppHeader>
        <PageHeader
          backIcon
          title={
            <div className='flex flex-wrap items-center gap-2'>
              {customer?.name}{" "}
              {customer?.trade_name && (
                <span className='text-muted-foreground'>({customer.trade_name})</span>
              )}
            </div>
          }
          description={
            <div className='mt-2 flex items-center gap-3'>
              <Badge variant='secondary' className='font-mono'>
                {customer?.tin}
              </Badge>
              <Badge variant='outline'>{customer?.is_company ? "Empresa" : "Persona"}</Badge>
            </div>
          }
          rightSlot={
            <div className='flex gap-2'>
              <Button variant='outline' size='icon' onClick={() => navigate("/customers/list")}>
                <MoreVertical className='h-4 w-4' />
              </Button>
              <Button>
                <EditIcon className='mr-2 h-4 w-4' />
                Editar
              </Button>
            </div>
          }
        />
      </AppHeader>
      <AppContent>
        {/* Main Content Grid */}
        <div className='grid gap-6 md:grid-cols-2'>
          {/* Información Básica */}
          <Card>
            <CardHeader>
              <CardTitle className='flex items-center gap-2 text-lg'>
                <FileText className='size-5 text-primary' />
                Información Básica
              </CardTitle>
            </CardHeader>
            <CardContent className='space-y-4'>
              <div>
                <dt className='text-sm font-medium text-muted-foreground'>Nombre</dt>
                <dd className='mt-1 text-base text-foreground'>{customer?.name}</dd>
              </div>
              <div>
                <dt className='text-sm font-medium text-muted-foreground'>Referencia</dt>
                <dd className='mt-1 font-mono text-base text-foreground'>{customer?.reference}</dd>
              </div>
              <div>
                <dt className='text-sm font-medium text-muted-foreground'>Registro Legal</dt>
                <dd className='mt-1 text-base text-foreground'>{customer?.legal_record}</dd>
              </div>
              <div>
                <dt className='text-sm font-medium text-muted-foreground'>Impuestos por Defecto</dt>
                <dd className='mt-1'>
                  {customer?.default_taxes.map((tax) => (
                    <Badge key={tax} variant={"secondary"}>
                      {tax}
                    </Badge>
                  ))}
                </dd>
              </div>
            </CardContent>
          </Card>

          {/* Dirección */}
          <Card>
            <CardHeader>
              <CardTitle className='flex items-center gap-2 text-lg'>
                <MapPin className='size-5 text-primary' />
                Dirección
              </CardTitle>
            </CardHeader>
            <CardContent className='space-y-4'>
              <div>
                <dt className='text-sm font-medium text-muted-foreground'>Calle</dt>
                <dd className='mt-1 text-base text-foreground'>
                  {customer?.street}
                  {customer?.street2 && (
                    <>
                      <br />
                      {customer?.street2}
                    </>
                  )}
                </dd>
              </div>
              <div className='grid grid-cols-2 gap-4'>
                <div>
                  <dt className='text-sm font-medium text-muted-foreground'>Ciudad</dt>
                  <dd className='mt-1 text-base text-foreground'>{customer?.city}</dd>
                </div>
                <div>
                  <dt className='text-sm font-medium text-muted-foreground'>Código Postal</dt>
                  <dd className='mt-1 text-base text-foreground'>{customer?.postal_code}</dd>
                </div>
              </div>
              <div className='grid grid-cols-2 gap-4'>
                <div>
                  <dt className='text-sm font-medium text-muted-foreground'>Provincia</dt>
                  <dd className='mt-1 text-base text-foreground'>{customer?.province}</dd>
                </div>
                <div>
                  <dt className='text-sm font-medium text-muted-foreground'>País</dt>
                  <dd className='mt-1 text-base text-foreground'>{customer?.country}</dd>
                </div>
              </div>
            </CardContent>
          </Card>

          {/* Información de Contacto */}
          <Card className='md:col-span-2'>
            <CardHeader>
              <CardTitle className='flex items-center gap-2 text-lg'>
                <Mail className='size-5 text-primary' />
                Información de Contacto
              </CardTitle>
            </CardHeader>
            <CardContent>
              <div className='grid gap-6 md:grid-cols-2'>
                {/* Contacto Principal */}
                <div className='space-y-4'>
                  <h3 className='font-semibold text-foreground'>Contacto Principal</h3>
                  {customer?.email_primary && (
                    <div className='flex items-start gap-3'>
                      <Mail className='mt-0.5 h-4 w-4 text-muted-foreground' />
                      <div className='flex-1'>
                        <dt className='text-sm font-medium text-muted-foreground'>Email</dt>
                        <dd className='mt-1 text-base text-foreground'>
                          {customer?.email_primary}
                        </dd>
                      </div>
                    </div>
                  )}
                  {customer?.mobile_primary && (
                    <div className='flex items-start gap-3'>
                      <Smartphone className='mt-0.5 h-4 w-4 text-muted-foreground' />
                      <div className='flex-1'>
                        <dt className='text-sm font-medium text-muted-foreground'>Móvil</dt>
                        <dd className='mt-1 text-base text-foreground'>
                          {customer?.mobile_primary}
                        </dd>
                      </div>
                    </div>
                  )}
                  {customer?.phone_primary && (
                    <div className='flex items-start gap-3'>
                      <Phone className='mt-0.5 h-4 w-4 text-muted-foreground' />
                      <div className='flex-1'>
                        <dt className='text-sm font-medium text-muted-foreground'>Teléfono</dt>
                        <dd className='mt-1 text-base text-foreground'>
                          {customer?.phone_primary}
                        </dd>
                      </div>
                    </div>
                  )}
                </div>

                {/* Contacto Secundario */}
                <div className='space-y-4'>
                  <h3 className='font-semibold text-foreground'>Contacto Secundario</h3>
                  {customer?.email_secondary && (
                    <div className='flex items-start gap-3'>
                      <Mail className='mt-0.5 h-4 w-4 text-muted-foreground' />
                      <div className='flex-1'>
                        <dt className='text-sm font-medium text-muted-foreground'>Email</dt>
                        <dd className='mt-1 text-base text-foreground'>
                          {customer?.email_secondary}
                        </dd>
                      </div>
                    </div>
                  )}
                  {customer?.mobile_secondary && (
                    <div className='flex items-start gap-3'>
                      <Smartphone className='mt-0.5 h-4 w-4 text-muted-foreground' />
                      <div className='flex-1'>
                        <dt className='text-sm font-medium text-muted-foreground'>Móvil</dt>
                        <dd className='mt-1 text-base text-foreground'>
                          {customer?.mobile_secondary}
                        </dd>
                      </div>
                    </div>
                  )}
                  {customer?.phone_secondary && (
                    <div className='flex items-start gap-3'>
                      <Phone className='mt-0.5 h-4 w-4 text-muted-foreground' />
                      <div className='flex-1'>
                        <dt className='text-sm font-medium text-muted-foreground'>Teléfono</dt>
                        <dd className='mt-1 text-base text-foreground'>
                          {customer?.phone_secondary}
                        </dd>
                      </div>
                    </div>
                  )}
                </div>

                {/* Otros Contactos */}
                {(customer?.website || customer?.fax) && (
                  <div className='space-y-4 md:col-span-2'>
                    <h3 className='font-semibold text-foreground'>Otros</h3>
                    <div className='grid gap-4 md:grid-cols-2'>
                      {customer?.website && (
                        <div className='flex items-start gap-3'>
                          <Globe className='mt-0.5 h-4 w-4 text-muted-foreground' />
                          <div className='flex-1'>
                            <dt className='text-sm font-medium text-muted-foreground'>Sitio Web</dt>
                            <dd className='mt-1 text-base text-primary hover:underline'>
                              <a href={customer?.website} target='_blank' rel='noopener noreferrer'>
                                {customer?.website}
                              </a>
                            </dd>
                          </div>
                        </div>
                      )}
                      {customer?.fax && (
                        <div className='flex items-start gap-3'>
                          <Phone className='mt-0.5 h-4 w-4 text-muted-foreground' />
                          <div className='flex-1'>
                            <dt className='text-sm font-medium text-muted-foreground'>Fax</dt>
                            <dd className='mt-1 text-base text-foreground'>{customer?.fax}</dd>
                          </div>
                        </div>
                      )}
                    </div>
                  </div>
                )}
              </div>
            </CardContent>
          </Card>

          {/* Preferencias */}
          <Card className='md:col-span-2'>
            <CardHeader>
              <CardTitle className='flex items-center gap-2 text-lg'>
                <Languages className='size-5 text-primary' />
                Preferencias
              </CardTitle>
            </CardHeader>
            <CardContent>
              <div className='grid gap-6 md:grid-cols-2'>
                <div className='flex items-start gap-3'>
                  <Languages className='mt-0.5 h-4 w-4 text-muted-foreground' />
                  <div className='flex-1'>
                    <dt className='text-sm font-medium text-muted-foreground'>Idioma Preferido</dt>
                    <dd className='mt-1 text-base text-foreground'>{customer?.language_code}</dd>
                  </div>
                </div>
                <div className='flex items-start gap-3'>
                  <Banknote className='mt-0.5 h-4 w-4 text-muted-foreground' />
                  <div className='flex-1'>
                    <dt className='text-sm font-medium text-muted-foreground'>Moneda Preferida</dt>
                    <dd className='mt-1 text-base text-foreground'>{customer?.currency_code}</dd>
                  </div>
                </div>
              </div>
            </CardContent>
          </Card>
        </div>
      </AppContent>
    </>
  );
};