"use client";

import { useParams } from "next/navigation";
import { useQuery, useMutation, useQueryClient } from "@tanstack/react-query";
import { toast } from "sonner";
import { useTenantId } from "@/hooks/useTenantId";
import { paymentApi } from "@/modules/payment/services/payment-api";
import { PaymentPageLoader, PaymentPageError } from "@/modules/payment/pages/shared";
import { PageHeader, Card, CardContent, Button } from "@/components/ds";
import { PaymentStatusChip } from "@/modules/payment/components/PaymentStatusChip";

export const PaymentRequestDetail = function PaymentRequestDetailPage() {
  const params = useParams();
  const id = String(params?.id ?? "");
  const { tenantId } = useTenantId();
  const qc = useQueryClient();

  const q = useQuery({
    queryKey: ["payment", tenantId, "request", id],
    queryFn: () => paymentApi.requests.get(tenantId!, id),
    enabled: !!tenantId && !!id,
  });

  const cancelM = useMutation({
    mutationFn: () => paymentApi.requests.cancel(tenantId!, id),
    onSuccess: () => {
      toast.success("درخواست لغو شد");
      qc.invalidateQueries({ queryKey: ["payment", tenantId, "request", id] });
    },
    onError: (e: Error) => toast.error(e.message),
  });

  const verifyM = useMutation({
    mutationFn: () => paymentApi.requests.verify(tenantId!, id, { status: "paid" }),
    onSuccess: () => {
      toast.success("پرداخت تأیید شد");
      qc.invalidateQueries({ queryKey: ["payment", tenantId, "request", id] });
    },
    onError: (e: Error) => toast.error(e.message),
  });

  if (!tenantId || q.isLoading) return <PaymentPageLoader />;
  if (q.error) return <PaymentPageError error={q.error} onRetry={() => q.refetch()} />;

  const r = q.data!;
  const status = String(r.status);
  const canCancel = ["draft", "pending", "redirect_issued"].includes(status);
  const canVerify = ["redirect_issued", "pending"].includes(status);

  return (
    <div className="space-y-6">
      <PageHeader
        title="جزئیات درخواست پرداخت"
        description="Checkout session / PaymentIntent"
      />
      <Card>
        <CardContent className="space-y-3 p-4 text-sm">
          <div className="flex items-center gap-2">
            <span className="text-[var(--muted)]">وضعیت:</span>
            <PaymentStatusChip status={status} />
          </div>
          <p><span className="text-[var(--muted)]">مبلغ:</span> {String(r.amount_minor)} {String(r.currency)}</p>
          <p><span className="text-[var(--muted)]">منبع:</span> {String(r.payment_source)}</p>
          <p><span className="text-[var(--muted)]">PSP:</span> {String(r.provider_code)}</p>
          {r.redirect_url ? (
            <p>
              <span className="text-[var(--muted)]">redirect:</span>{" "}
              <a href={String(r.redirect_url)} className="text-teal-600 hover:underline" target="_blank" rel="noreferrer">
                {String(r.redirect_url)}
              </a>
            </p>
          ) : null}
          <p><span className="text-[var(--muted)]">idempotency:</span> {String(r.idempotency_key ?? "—")}</p>
          <div className="flex flex-wrap gap-2 pt-2">
            {canCancel ? (
              <Button size="sm" variant="outline" loading={cancelM.isPending} onClick={() => cancelM.mutate()}>
                لغو
              </Button>
            ) : null}
            {canVerify ? (
              <Button size="sm" loading={verifyM.isPending} onClick={() => verifyM.mutate()}>
                تأیید پرداخت
              </Button>
            ) : null}
          </div>
        </CardContent>
      </Card>
      <Card>
        <CardContent className="p-4">
          <h3 className="mb-2 text-sm font-semibold">داده کامل</h3>
          <pre className="overflow-x-auto text-xs">{JSON.stringify(r, null, 2)}</pre>
        </CardContent>
      </Card>
    </div>
  );
};

export default PaymentRequestDetail;