import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query';
import { formatAmd } from '@barev/i18n';
import { Badge, Button, Chip } from '@barev/ui';
import { confirmDialog, errorText, useI18n, useToast, useTRPC } from '@barev/web';
import { useState } from 'react';

const STATUSES = ['NEW', 'LINKED', 'ORDERED', 'CANCELLED'] as const;
type Status = (typeof STATUSES)[number];
const STATUS_TONE: Record<Status, string> = {
  NEW: 'var(--bc-perks)',
  LINKED: 'var(--bc-pink)',
  ORDERED: 'var(--bc-home)',
  CANCELLED: 'var(--bc-line)',
};

/** Заявки с сайта (barevclub.com/clean): появляются сразу после отправки формы, список обновляется сам */
export function WebRequests() {
  const { t, dt, locale } = useI18n();
  const trpc = useTRPC();
  const qc = useQueryClient();
  const toast = useToast();
  const [status, setStatus] = useState<Status | undefined>();
  const list = useQuery({ ...trpc.admin.webRequests.list.queryOptions({ status }), refetchInterval: 15_000 });
  const update = useMutation(
    trpc.admin.webRequests.update.mutationOptions({
      onSuccess: () => {
        toast(t('admin.saved'));
        void qc.invalidateQueries();
      },
      onError: (e) => toast(errorText(t, e), 'error'),
    }),
  );

  return (
    <>
      <div className="bc-between">
        <h1 className="bc-h2">{t('admin.nav.webRequests')}</h1>
        <div className="bc-chips">
          <Chip pressed={!status} onClick={() => setStatus(undefined)}>
            {t('admin.webRequests.all')}
          </Chip>
          {STATUSES.map((s) => (
            <Chip key={s} pressed={status === s} onClick={() => setStatus(s)}>
              {t(`admin.webRequests.status_${s}`)}
            </Chip>
          ))}
        </div>
      </div>
      {list.data?.length === 0 ? (
        <p className="bc-muted">{t('admin.webRequests.empty')}</p>
      ) : (
        <table className="grid">
          <thead>
            <tr>
              <th>{t('admin.webRequests.number')}</th>
              <th>{t('admin.webRequests.when')}</th>
              <th>{t('admin.webRequests.what')}</th>
              <th>{t('admin.webRequests.address')}</th>
              <th>{t('admin.webRequests.contact')}</th>
              <th>{t('admin.webRequests.price')}</th>
              <th>{t('admin.webRequests.status')}</th>
              <th>{t('admin.webRequests.note')}</th>
            </tr>
          </thead>
          <tbody>
            {list.data?.map((r) => {
              const p = r.params as { cleaningType?: string; rooms?: number; bathrooms?: number; extras?: Record<string, number> };
              const extras = Object.entries(p.extras ?? {});
              return (
                <tr key={r.id}>
                  <td>
                    <b>{r.number}</b>
                    <div className="bc-small bc-muted">{t('admin.webRequests.created', { date: dt(r.createdAt, { day: 'numeric', month: 'short', hour: '2-digit', minute: '2-digit' }) })}</div>
                  </td>
                  <td className="bc-small">{dt(r.preferredAt, { weekday: 'short', day: 'numeric', month: 'short', hour: '2-digit', minute: '2-digit' })}</td>
                  <td>
                    <b>{t(`params.cleaning.cleaningType.${p.cleaningType ?? 'regular'}`)}</b>
                    <div className="bc-small">
                      {t('params.cleaning.rooms.count', { count: p.rooms ?? 1 })}, {t('params.cleaning.bathrooms.count', { count: p.bathrooms ?? 1 })}
                    </div>
                    {extras.length > 0 && (
                      <div className="bc-small bc-muted">{extras.map(([code, qty]) => `${t(`extras.${code}.name`)}${qty > 1 ? ` × ${qty}` : ''}`).join(', ')}</div>
                    )}
                  </td>
                  <td className="bc-small">
                    {t(`districts.${r.district.code}`)}
                    <div>{r.addressText}</div>
                    {r.note && <div className="bc-muted">{r.note}</div>}
                  </td>
                  <td>
                    {r.name && <b>{r.name}</b>}
                    <div>
                      <a href={`tel:${r.phone}`}>{r.phone}</a>
                    </div>
                    {r.client && (
                      <div className="bc-small bc-muted">
                        {r.client.user.username ? `@${r.client.user.username}` : `${r.client.user.firstName ?? ''} ${r.client.user.lastName ?? ''}`}
                      </div>
                    )}
                    <div className="bc-small bc-muted">{r.locale.toUpperCase()}</div>
                  </td>
                  <td className="mono">{formatAmd(locale, r.totalPrice)}</td>
                  <td>
                    <Badge style={{ background: STATUS_TONE[r.status] }}>{t(`admin.webRequests.status_${r.status}`)}</Badge>
                    {r.order && (
                      <div className="bc-small" style={{ marginTop: 6 }}>
                        {t('admin.webRequests.order', { number: r.order.number })}
                      </div>
                    )}
                    <div style={{ marginTop: 8 }}>
                      {r.status === 'CANCELLED' ? (
                        <Button size="sm" variant="light" onClick={() => update.mutate({ id: r.id, status: 'REOPEN' })}>
                          {t('admin.webRequests.reopen')}
                        </Button>
                      ) : (
                        r.status !== 'ORDERED' && (
                          <Button
                            size="sm"
                            variant="light"
                            onClick={async () => (await confirmDialog(t('admin.webRequests.cancelConfirm', { number: r.number }))) && update.mutate({ id: r.id, status: 'CANCELLED' })}
                          >
                            {t('admin.webRequests.cancel')}
                          </Button>
                        )
                      )}
                    </div>
                  </td>
                  <td style={{ minWidth: 200 }}>
                    <NoteEditor initial={r.adminNote ?? ''} onSave={(adminNote) => update.mutate({ id: r.id, adminNote })} />
                  </td>
                </tr>
              );
            })}
          </tbody>
        </table>
      )}
    </>
  );
}

function NoteEditor({ initial, onSave }: { initial: string; onSave: (v: string) => void }) {
  const { t } = useI18n();
  const [value, setValue] = useState(initial);
  return (
    <div className="bc-stack" style={{ gap: 6 }}>
      <textarea className="bc-input" style={{ minHeight: 60 }} value={value} maxLength={1000} placeholder={t('admin.webRequests.notePlaceholder')} onChange={(e) => setValue(e.target.value)} />
      {value !== initial && (
        <Button size="sm" variant="outline" onClick={() => onSave(value)}>
          {t('admin.webRequests.saveNote')}
        </Button>
      )}
    </div>
  );
}