import type { Metadata } from "next";
import type { HTMLAttributes } from "react";
import { redirect } from "next/navigation";
import { Container, SectionHeading, Button, FormPanel } from "@/components/ui";
import { HexMark } from "@/components/honeycomb";
import { BackLink } from "@/components/back-link";
import { AccountEmptyState, AddressIcon } from "@/components/account-ui";
import { getCurrentCustomer } from "@/lib/auth";
import { getAddressesForCustomer } from "@/lib/account-data";
import { addAddressAction, deleteAddressAction, setDefaultAddressAction } from "../actions";
import { getLocale } from "@/i18n/locale";
import { getDictionary } from "@/i18n/get-dictionary";

export const metadata: Metadata = { title: "Meine Adressen" };
export const dynamic = "force-dynamic";

export default async function KontoAdressenPage() {
  const t = getDictionary(await getLocale());
  const customer = await getCurrentCustomer();
  if (!customer) redirect("/konto");

  const addresses = await getAddressesForCustomer(customer.id);

  return (
    <div className="py-20">
      <Container className="max-w-3xl">
        <BackLink href="/konto" label={t.ordersPage.backToAccount} />
        <SectionHeading eyebrow={t.account.eyebrow} title={t.addressesPage.title} />


        <div className="mt-10 grid gap-4 sm:grid-cols-2">
          {addresses.map((address) => (
            <div
              key={address.id}
              className={`relative flex flex-col justify-between gap-6 border p-6 transition-[border-color,box-shadow] duration-500 ease-[var(--ease-arrive)] ${
                address.isDefault
                  ? "border-honey/60 bg-honey/[0.05] shadow-[0_18px_34px_-26px_rgba(184,138,68,0.5)]"
                  : "border-ink/10 hover:border-forest/40"
              }`}
            >
              {address.isDefault ? (
                <span className="absolute right-4 top-4 inline-flex items-center gap-1.5 text-[11px] tracking-wide-caps text-honey-dark">
                  <HexMark className="h-2.5 w-2.5" />
                  {t.addressesPage.standard}
                </span>
              ) : null}
              <div className="flex gap-4">
                <span className="flex-shrink-0 flex items-center justify-center w-11 h-11 border border-ink/15 text-forest">
                  <AddressIcon />
                </span>
                <div>
                  <p className="font-serif text-xl text-forest">{address.label}</p>
                  <p className="text-sm text-ink/70 mt-1">
                    {address.firstName} {address.lastName}
                    <br />
                    {address.street}
                    <br />
                    {address.zip} {address.city}
                  </p>
                </div>
              </div>
              <div className="flex items-center gap-5 border-t border-ink/10 pt-4 text-sm">
                {!address.isDefault ? (
                  <form action={setDefaultAddressAction}>
                    <input type="hidden" name="addressId" value={address.id} />
                    <button type="submit" className="text-forest hover:underline">
                      {t.addressesPage.setDefault}
                    </button>
                  </form>
                ) : null}
                <form action={deleteAddressAction}>
                  <input type="hidden" name="addressId" value={address.id} />
                  <button type="submit" className="text-ink/65 hover:text-red-700 hover:underline">
                    {t.addressesPage.delete}
                  </button>
                </form>
              </div>
            </div>
          ))}
          {addresses.length === 0 ? (
            <AccountEmptyState
              icon={<AddressIcon />}
              title={t.addressesPage.emptyTitle}
              description={t.addressesPage.emptyDescription}
            />
          ) : null}
        </div>

        <FormPanel className="mt-14 max-w-xl">
          <h2 className="text-2xl text-forest mb-6">{t.addressesPage.addNewHeading}</h2>
          <form action={addAddressAction} className="space-y-4">
            <Field
              name="label"
              label={t.addressesPage.labelField}
              defaultValue={t.addressesPage.labelDefaultValue}
              autoComplete="off"
              required
            />
            <div className="grid grid-cols-2 gap-4">
              <Field name="firstName" label={t.account.firstNameLabel} autoComplete="given-name" required />
              <Field name="lastName" label={t.account.lastNameLabel} autoComplete="family-name" required />
            </div>
            <Field name="street" label={t.checkoutPage.streetLabel} autoComplete="street-address" required />
            <div className="grid grid-cols-2 gap-4">
              <Field
                name="zip"
                label={t.checkoutPage.zipLabel}
                autoComplete="postal-code"
                inputMode="numeric"
                required
              />
              <Field name="city" label={t.checkoutPage.cityLabel} autoComplete="address-level2" required />
            </div>
            <label className="flex items-center gap-2 text-sm text-ink/70">
              <input type="checkbox" name="isDefault" />
              {t.addressesPage.useAsDefault}
            </label>
            <Button type="submit">{t.addressesPage.save}</Button>
          </form>
        </FormPanel>
      </Container>
    </div>
  );
}

function Field({
  name,
  label,
  defaultValue,
  autoComplete,
  inputMode,
  required = false,
}: {
  name: string;
  label: string;
  defaultValue?: string;
  /** Browser-/Mobil-Autofill fuer Adressfelder — dieselben Tokens wie im Checkout-Formular. */
  autoComplete?: string;
  inputMode?: HTMLAttributes<HTMLInputElement>["inputMode"];
  required?: boolean;
}) {
  return (
    <label className="block text-sm">
      <span className="text-ink/70">{label}</span>
      <input
        name={name}
        defaultValue={defaultValue}
        autoComplete={autoComplete}
        inputMode={inputMode}
        required={required}
        className="mt-1 w-full border border-ink/20 bg-background px-4 py-3 focus:outline-none focus:border-forest"
      />
    </label>
  );
}