'use client'
import { verifyPayment } from "@/actions/payment";
import {
  Table,
  TableBody,
  TableCaption,
  TableCell,
  TableFooter,
  TableRow,
} from "@/components/ui/table";
import { formatDate } from "@/lib/utils";
import type { BillFormula, Prisma, User } from "@prisma/client";
import { BadgeDollarSign, Clipboard, ClipboardCheck, Loader2, Wallet } from "lucide-react";
import { useState } from "react";
import { toast } from "sonner";
import { Button } from "./ui/button";

type PaymentWithDevices = Prisma.PaymentGetPayload<{
  include: {
    devices: true;
  };
}>;

export default function DevicesToPay({
  billFormula,
  payment,
  user
}: { billFormula?: BillFormula; payment?: PaymentWithDevices, user?: User }) {
  const [verifying, setVerifying] = useState(false)

  const devices = payment?.devices;
  if (devices?.length === 0) {
    return null;
  }
  const baseAmount = billFormula?.baseAmount ?? 100;
  const discountPercentage = billFormula?.discountPercentage ?? 75;
  // 100+(n−1)×75
  const total = baseAmount + (devices?.length ?? 1 - 1) * discountPercentage;
  const walletBalance = user?.walletBalance ?? 0;
  const isWalletPayVisible = walletBalance > total;


  return (
    <div className="w-full">
      <div className="p-2 flex flex-col gap-2">
        <h3 className="title-bg my-1 p-2 font-semibold text-lg">
          {!payment?.paid ? "Devices to pay" : "Devices Paid"}
        </h3>
        <div className="flex flex-col gap-2">
          {devices?.map((device) => (
            <div
              key={device.id}
              className="bg-muted border rounded p-2 flex gap-2 items-center"
            >
              <div className="flex flex-col">
                <div className="text-sm font-medium">{device.name}</div>
                <div className="text-xs text-muted-foreground">
                  {device.mac}
                </div>
              </div>
            </div>
          ))}
        </div>
      </div>
      <div className="m-2 flex items-end justify-end p-2 text-sm text-foreground border rounded">
        <Table>
          <TableCaption>
            <div className="max-w-sm mx-auto">
              <p>Please send the following amount to the payment address</p>
              <AccountInfomation
                accName="Baraveli Dev"
                accountNo="90101400028321000"
              />
              {payment?.paid ? (
                <Button size={"lg"} variant={"secondary"} disabled className="dark:text-green-200 text-green-900 bg-green-500/20 uppercase font-semibold">Payment Verified</Button>
              ) : (
                <div className="flex flex-col gap-2">
                  {isWalletPayVisible && (
                    <Button
                      disabled={verifying}
                      onClick={async () => {
                        setVerifying(true);
                        await verifyPayment({
                          userId: user?.id ?? "",
                          paymentId: payment?.id,
                          benefName: user?.name ?? "",
                          accountNo: user?.accNo ?? "",
                          absAmount: String(total),
                          time: formatDate(new Date(payment?.createdAt || "")),
                          type: "WALLET",
                        });
                        setVerifying(false);
                      }}
                      variant={"secondary"} size={"lg"}>
                      {verifying ? "Paying..." : "Pay with wallet"}
                      <Wallet />
                    </Button>
                  )}
                  <Button
                    disabled={verifying}
                    onClick={async () => {
                      setVerifying(true);
                      const res = await verifyPayment({
                        userId: user?.id ?? "",
                        paymentId: payment?.id,
                        benefName: user?.name ?? "",
                        accountNo: user?.accNo ?? "",
                        absAmount: String(total),
                        type: "TRANSFER",
                        time: formatDate(new Date(payment?.createdAt || "")),
                      });
                      setVerifying(false);
                      switch (true) {
                        case res?.success === true:
                          toast.success(res.message);
                          break;
                        case res.success === false:
                          toast.error(res.message);
                          break;
                        default:
                          toast.error("Unexpected error occurred.");
                      }
                    }}
                    size={"lg"} className="mb-4">
                    {verifying ? "Verifying..." : "Verify Payment"}
                    {verifying ? <Loader2 className="animate-spin" /> : <BadgeDollarSign />}
                  </Button>
                </div>

              )}

            </div>
          </TableCaption>
          <TableBody className="">
            <TableRow>
              <TableCell>Total Devices</TableCell>
              <TableCell className="text-right text-xl">{devices?.length}</TableCell>
            </TableRow>
          </TableBody>
          <TableFooter>
            <TableRow className="">
              <TableCell colSpan={1}>Total Due</TableCell>
              <TableCell className="text-right text-3xl font-bold">{total.toFixed(2)}</TableCell>
            </TableRow>
          </TableFooter>
        </Table>
      </div>
    </div>
  );
}

function AccountInfomation({
  accountNo,
  accName,
}: {
  accountNo: string;
  accName: string;
}) {
  const [accNo, setAccNo] = useState(false)
  return (
    <div className="justify-start items-start border my-4 flex flex-col gap-2 p-2 rounded-md">
      <h6 className="title-bg uppercase p-2 border rounded w-full font-semibold">
        Account Information
      </h6>
      <div className="border justify-start flex flex-col items-start bg-white/10 w-full p-2 rounded">
        <div className="text-sm font-semibold">Account Name</div>
        <span>{accName}</span>
      </div>
      <div className="border flex justify-between items-start gap-2  bg-white/10 w-full p-2 rounded">
        <div className="flex flex-col items-start justify-start">
          <p className="text-sm font-semibold">Account No</p>
          <span>{accountNo}</span>
        </div>
        <Button
          onClick={() => {
            setTimeout(() => {
              setAccNo(true)
              navigator.clipboard.writeText(accountNo)
            }, 2000)
            toast.success("Account number copied!")
            setAccNo((prev) => !prev)
          }}
          variant={"link"}>
          {accNo ? <Clipboard /> : <ClipboardCheck color="green" />}
        </Button>
      </div>
    </div>
  );
}