"use client";

import { CountdownTimer } from "@/components/quote/countdown-timer";
import { ErrorBanner } from "@/components/ui/error-banner";
import { LoadingSpinner } from "@/components/ui/loading-spinner";
import { WarningBanner } from "@/components/ui/warning-banner";
import type { QuoteDetail } from "@/lib/frontend/types";
import { PRIORITY1_MANUAL_FOLLOWUP_ERROR_CODE } from "@/modules/priority1/constants";
import { Priority1FtlScheduleCalendar } from "@/components/priority1/priority1-ftl-schedule-calendar";
import type { Priority1ShipmentSummary } from "@/components/priority1/priority1-ftl-schedule-calendar";
import { Priority1LtlQuoteOptions } from "@/components/priority1/priority1-ltl-quote-options";

type Props = {
  quote: QuoteDetail | null;
  loading: boolean;
  error: string | null;
  shipmentContext?: Priority1ShipmentSummary;
  onRequestNewQuote?: () => void;
};

export function Priority1QuoteResultPanel({
  quote,
  loading,
  error,
  shipmentContext,
  onRequestNewQuote,
}: Props) {
  if (loading) {
    return (
      <div className="flex min-h-[320px] flex-col items-center justify-center gap-4 rounded-lg border border-neutral-200 bg-white p-8">
        <LoadingSpinner />
        <p className="text-sm text-neutral-600">正在获取 Priority1 报价，请稍候…</p>
      </div>
    );
  }

  if (error) {
    return (
      <ErrorBanner>
        {error.trim() || "暂时无法获取报价，请稍后重试。"}
      </ErrorBanner>
    );
  }

  if (!quote) {
    return (
      <div className="flex min-h-[320px] items-center justify-center rounded-lg border border-dashed border-neutral-300 bg-neutral-50 p-8 text-sm text-neutral-500">
        填写左侧表单并提交，即可查看 Priority1 官网风格的报价结果。
      </div>
    );
  }

  if (quote.status === "processing") {
    return (
      <div className="flex min-h-[320px] flex-col items-center justify-center gap-4 rounded-lg border border-neutral-200 bg-white p-8">
        <LoadingSpinner />
        <p className="text-sm text-neutral-600">报价处理中…</p>
      </div>
    );
  }

  if (quote.status === "failed") {
    const message =
      quote.error_message?.trim() ||
      "报价失败，请稍后重试。";
    return (
      <ErrorBanner
        action={
          onRequestNewQuote ? (
            <button
              type="button"
              onClick={onRequestNewQuote}
              className="text-sm font-medium text-error underline"
            >
              重新询价
            </button>
          ) : undefined
        }
      >
        {message}
      </ErrorBanner>
    );
  }

  if (quote.error_code === PRIORITY1_MANUAL_FOLLOWUP_ERROR_CODE) {
    return (
      <WarningBanner
        action={
          onRequestNewQuote ? (
            <button
              type="button"
              onClick={onRequestNewQuote}
              className="text-sm font-medium text-amber-900 underline"
            >
              重新询价
            </button>
          ) : undefined
        }
      >
        <p className="font-medium">需人工跟进</p>
        <p className="mt-1">
          {quote.error_message ??
            "Priority1 未返回可展示的即时报价，已记录任务供人工处理。"}
        </p>
      </WarningBanner>
    );
  }

  if (quote.status === "expired") {
    return (
      <WarningBanner
        action={
          onRequestNewQuote ? (
            <button
              type="button"
              onClick={onRequestNewQuote}
              className="text-sm font-medium text-amber-900 underline"
            >
              重新询价
            </button>
          ) : undefined
        }
      >
        <p className="font-medium">报价已过期</p>
        <p className="mt-1">该报价已超过有效期，请重新提交询价。</p>
      </WarningBanner>
    );
  }

  const p1 = quote.priority1;
  if (!p1 || p1.lines.length === 0) {
    const legacyHint =
      quote.source_type === "stale"
        ? "本次使用了历史缓存降级，数据格式可能不兼容，请重新询价。"
        : quote.quotes && quote.quotes.length > 0
          ? "服务端返回了旧版报价格式，请重新部署 worker 与 API 后重试。"
          : "RPA 未抓取到报价金额，请核对重量/等级是否合理后重试。";
    return (
      <WarningBanner
        action={
          onRequestNewQuote ? (
            <button
              type="button"
              onClick={onRequestNewQuote}
              className="text-sm font-medium text-amber-900 underline"
            >
              重新询价
            </button>
          ) : undefined
        }
      >
        <p className="font-medium">暂无报价</p>
        <p className="mt-1">{legacyHint}</p>
      </WarningBanner>
    );
  }

  const validUntil = quote.valid_until;

  return (
    <div className="overflow-hidden rounded-lg border border-neutral-800">
      {validUntil ? (
        <div className="flex items-center justify-between border-b border-neutral-200 bg-neutral-50 px-4 py-2 text-xs text-neutral-600">
          <span>报价有效期</span>
          <CountdownTimer validUntil={validUntil} />
        </div>
      ) : null}

      {p1.display_mode === "ftl_calendar" && shipmentContext ? (
        <Priority1FtlScheduleCalendar
          lines={p1.lines}
          shipment={shipmentContext}
          onRequestNewQuote={onRequestNewQuote}
        />
      ) : (
        <Priority1LtlQuoteOptions lines={p1.lines} />
      )}
    </div>
  );
}