// app/(app)/devices/page.tsx
'use client';

import Button from '@/components/ui/Button';
import Table, { TableColumn } from '@/components/ui/Table';
import { Dropdown } from '@/components/ui/Dropdown';
import {
  BookOpenIcon,
  PencilIcon,
  TrashIcon,
} from '@heroicons/react/24/outline';

type DeviceRow = {
  id: string;

  // Fachliche Felder (entsprechend deinem Prisma-Model)
  name: string;
  manufacturer: string;
  model: string;
  inventoryNumber: string;
  serialNumber?: string | null;
  productNumber?: string | null;
  comment?: string | null;

  // optionale Netzwerk-/Zugangs-Felder
  ipv4Address?: string | null;
  ipv6Address?: string | null;
  macAddress?: string | null;
  username?: string | null;

  // Beziehungen (als einfache Strings für die Tabelle)
  group?: string | null;
  location?: string | null;

  // Audit
  updatedAt: string;
};

// TODO: später per Prisma laden
const mockDevices: DeviceRow[] = [
  {
    id: '1',
    name: 'Dienstrechner Sachbearbeitung 1',
    manufacturer: 'Dell',
    model: 'OptiPlex 7010',
    inventoryNumber: 'INV-00123',
    serialNumber: 'SN-ABC-123',
    productNumber: 'PN-4711',
    group: 'Dienstrechner',
    location: 'Raum 1.12',
    comment: 'Steht am Fensterplatz',
    ipv4Address: '10.0.0.12',
    ipv6Address: null,
    macAddress: '00-11-22-33-44-55',
    username: 'sachb1',
    updatedAt: '2025-01-10T09:15:00Z',
  },
  {
    id: '2',
    name: 'Monitor Lager 27"',
    manufacturer: 'Samsung',
    model: 'S27F350',
    inventoryNumber: 'INV-00124',
    serialNumber: 'SN-DEF-456',
    productNumber: 'PN-0815',
    group: 'Monitore',
    location: 'Lager Keller',
    comment: null,
    ipv4Address: null,
    ipv6Address: null,
    macAddress: null,
    username: null,
    updatedAt: '2025-01-08T14:30:00Z',
  },
];

function formatDate(iso: string) {
  return new Intl.DateTimeFormat('de-DE', {
    dateStyle: 'short',
    timeStyle: 'short',
  }).format(new Date(iso));
}

const columns: TableColumn<DeviceRow>[] = [
  {
    key: 'name',
    header: 'Bezeichnung',
    sortable: true,
    canHide: true,
    headerClassName: 'min-w-48',
    cellClassName: 'font-medium text-gray-900 dark:text-white',
  },
  {
    key: 'inventoryNumber',
    header: 'Inventar-Nr.',
    sortable: true,
    canHide: false,
    headerClassName: 'min-w-32',
  },
  {
    key: 'manufacturer',
    header: 'Hersteller',
    sortable: true,
    canHide: false,
  },
  {
    key: 'model',
    header: 'Modell',
    sortable: true,
    canHide: false,
  },
  {
    key: 'serialNumber',
    header: 'Seriennummer',
    sortable: true,
    canHide: true,
  },
  {
    key: 'productNumber',
    header: 'Produktnummer',
    sortable: true,
    canHide: true,
  },
  {
    key: 'group',
    header: 'Gruppe',
    sortable: true,
    canHide: true,
  },
  {
    key: 'location',
    header: 'Standort / Raum',
    sortable: true,
    canHide: false,
  },
  {
    key: 'comment',
    header: 'Kommentar',
    sortable: false,
    canHide: true,
    cellClassName: 'whitespace-normal max-w-xs',
  },
  {
    key: 'updatedAt',
    header: 'Geändert am',
    sortable: true,
    canHide: true,
    render: (row) => formatDate(row.updatedAt),
  },
];

export default function DevicesPage() {
  const devices = mockDevices;

  return (
    <>
      {/* Header über der Tabelle */}
      <div className="flex items-center justify-between gap-4">
        <div>
          <h1 className="text-2xl font-semibold text-gray-900 dark:text-white">
            Geräte
          </h1>
          <p className="mt-1 text-sm text-gray-600 dark:text-gray-400">
            Übersicht aller erfassten Geräte im Inventar.
          </p>
        </div>

        <button
          type="button"
          className="inline-flex items-center rounded-md bg-indigo-600 px-3.5 py-2.5 text-sm font-semibold text-white shadow-xs hover:bg-indigo-500 focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-indigo-600 dark:bg-indigo-500 dark:hover:bg-indigo-400 dark:focus-visible:outline-indigo-500"
        >
          Neues Gerät anlegen
        </button>
      </div>

      {/* Tabelle */}
      <div className="mt-8">
        <Table<DeviceRow>
          data={devices}
          columns={columns}
          getRowId={(row) => row.id}
          selectable
          actionsHeader=""
          renderActions={(row) => (
            <div className="flex justify-end">
              {/* Desktop: drei Icon-Buttons nebeneinander */}
              <div className="hidden gap-2 lg:flex">
                <Button
                  variant="soft"
                  tone="indigo"
                  size="md"
                  icon={<BookOpenIcon className="size-5" />}
                  aria-label={`Details zu ${row.inventoryNumber}`}
                  onClick={() => console.log('Details', row.id)}
                />

                <Button
                  variant="soft"
                  tone="gray"
                  size="md"
                  icon={<PencilIcon className="size-5" />}
                  aria-label={`Gerät ${row.inventoryNumber} bearbeiten`}
                  onClick={() => console.log('Bearbeiten', row.id)}
                />

                <Button
                  variant="soft"
                  tone="rose"
                  size="md"
                  icon={<TrashIcon className="size-5" />}
                  aria-label={`Gerät ${row.inventoryNumber} löschen`}
                  onClick={() => console.log('Löschen', row.id)}
                />
              </div>

              {/* Mobile / kleine Screens: kompaktes Dropdown mit Ellipsis-Trigger */}
              <div className="lg:hidden">
                <Dropdown
                  triggerVariant="icon"
                  ariaLabel={`Aktionen für ${row.inventoryNumber}`}
                  sections={[
                    {
                      items: [
                        {
                          label: 'Details',
                          icon: <BookOpenIcon className="size-4" />,
                          onClick: () => console.log('Details', row.id),
                        },
                        {
                          label: 'Bearbeiten',
                          icon: <PencilIcon className="size-4" />,
                          onClick: () => console.log('Bearbeiten', row.id),
                        },
                        {
                          label: 'Löschen',
                          icon: <TrashIcon className="size-4" />,
                          tone: 'danger',
                          onClick: () => console.log('Löschen', row.id),
                        },
                      ],
                    },
                  ]}
                />
              </div>
            </div>
          )}
        />
      </div>
    </>
  );
}