import config from "@payload-config";
import { getPayload } from "payload";
import { headers as nextHeaders } from "next/headers";
import { notFound } from "next/navigation";
import type { BankAccount, LedgerEntry } from "@/payload-types";
import { AccountDetail } from "@/components/frontend/banking/AccountDetail";
import { hasPermission } from "@/utils/access-control/hasPermission";
import { hasLogisticsQualification } from "@/utils/access-control/hasLogisticsQualification";
import { getCurrencyConfig } from "@/lib/banking";

export const metadata = {
  title: "Account — Polaris Task Force",
};

interface AccountPageProps {
  params: Promise<{ id: string }>;
}

export default async function AccountPage({ params }: AccountPageProps) {
  const { id } = await params;
  const payload = await getPayload({ config });
  const { user } = await payload.auth({
    headers: await nextHeaders(),
    canSetHeaders: false,
  });

  const account = await payload
    .findByID({
      collection: "bank-accounts",
      id: Number(id),
      depth: 1,
    })
    .catch(() => null);

  if (!account) {
    notFound();
  }

  const typedAccount = account as unknown as BankAccount;

  const isManager = user
    ? (await hasPermission(payload, user, "banking:manage")) ||
      (await hasLogisticsQualification(payload, user).catch(() => false))
    : false;

  const ownerId =
    typeof typedAccount.ownerUser === "object"
      ? typedAccount.ownerUser?.id
      : typedAccount.ownerUser;

  const isOwner = typedAccount.accountType === "personal" && user !== null && ownerId === user.id;

  if (!isManager && !isOwner) {
    notFound();
  }

  const ledgerRes = await payload.find({
    collection: "ledger-entries",
    where: { account: { equals: Number(id) } },
    sort: "-timestamp",
    limit: 200,
    depth: 0,
  });
  const ledger = ledgerRes.docs as unknown as LedgerEntry[];

  const allAccountsRes = await payload.find({
    collection: "bank-accounts",
    limit: 500,
    depth: 0,
  });
  const otherAccounts = (allAccountsRes.docs as unknown as BankAccount[])
    .filter((a) => a.id !== typedAccount.id)
    .map((a) => ({ id: a.id, name: a.name }));
  const currencyConfig = await getCurrencyConfig(payload);

  return (
    <div className="p-5 max-w-7xl">
      <AccountDetail
        account={typedAccount}
        ledger={ledger}
        otherAccounts={otherAccounts}
        canTransact={isManager || isOwner}
        currencyConfig={currencyConfig}
      />
    </div>
  );
}