"use client";

import { useCallback, useEffect, useRef, useState } from "react";
import { Clock } from "@phosphor-icons/react";
import { ConfirmDialog } from "@/components/ui/confirm-dialog";

interface CountdownTimerProps {
  validUntil: string;
  onExpire?: () => void;
}

export function CountdownTimer({ validUntil, onExpire }: CountdownTimerProps) {
  const [remainMs, setRemainMs] = useState(
    () => new Date(validUntil).getTime() - Date.now(),
  );
  const [showExpiredDialog, setShowExpiredDialog] = useState(false);
  const expiredCalled = useRef(false);

  useEffect(() => {
    expiredCalled.current = false;
    setShowExpiredDialog(false);
    const id = setInterval(() => {
      const left = new Date(validUntil).getTime() - Date.now();
      setRemainMs(left);
      if (left <= 0 && !expiredCalled.current) {
        expiredCalled.current = true;
        clearInterval(id);
        setShowExpiredDialog(true);
        onExpire?.();
      }
    }, 500);
    return () => clearInterval(id);
  }, [validUntil, onExpire]);

  const safe = Math.max(0, remainMs);
  const mm = String(Math.floor(safe / 60_000)).padStart(2, "0");
  const ss = String(Math.floor((safe % 60_000) / 1_000)).padStart(2, "0");
  const isWarning = safe < 30_000 && safe > 0;

  return (
    <>
      <div
        className={`inline-flex items-center gap-1.5 text-sm font-medium ${
          isWarning ? "text-warning" : "text-text-secondary"
        }`}
      >
        <Clock size={16} weight={isWarning ? "fill" : "regular"} />
        <span className="num">
          报价有效期 {mm}:{ss}
        </span>
      </div>
      <ConfirmDialog
        open={showExpiredDialog}
        title="报价已过期"
        message="当前报价已超过 3 分钟有效期，请重新询价获取最新价格。"
        confirmLabel="重新询价"
        cancelLabel="关闭"
        onConfirm={() => setShowExpiredDialog(false)}
        onCancel={() => setShowExpiredDialog(false)}
      />
    </>
  );
}