"use client";

import {
  AlertTriangleIcon,
  CheckCircle2,
  LoaderCircle,
  Lock,
  WalletCards,
  XIcon,
} from "lucide-react";
import Image from "next/image";
import { useEffect } from "react";
import { useTranslation } from "react-i18next";

import { Alert, AlertDescription, AlertTitle } from "@/components/ui/alert";
import { Button } from "@/components/ui/button";
import {
  Dialog,
  DialogContent,
  DialogDescription,
  DialogHeader,
  DialogTitle,
} from "@/components/ui/dialog";
import { formatMinorAsCurrency } from "@/lib/money";
import { playLabel } from "@/lib/play-labels";
import type { TicketPreviewData, TicketPreviewWarning } from "@/types/api/ticket";

type HallBetPreviewDialogProps = {
  open: boolean;
  onOpenChange: (open: boolean) => void;
  currencyCode: string;
  data: TicketPreviewData | null;
  placing: boolean;
  jackpotEnabled?: boolean;
  /** 界面 §4.2：封盘后禁止提交，主按钮文案为「已封盘」 */
  allowSubmit?: boolean;
  onConfirmPlace: () => void;
};

function WarningsBlock({ warnings }: { warnings: TicketPreviewWarning[] }) {
  const { t } = useTranslation("player");

  if (warnings.length === 0) return null;
  return (
    <Alert className="rounded-xl border-[#ffd7b8] bg-[#fff7ed] p-3 text-[#b45309]">
      <AlertTriangleIcon className="size-5" />
      <AlertTitle className="text-sm font-black">{t("hall.preview.warningsTitle")}</AlertTitle>
      <AlertDescription className="space-y-2">
        <p className="text-xs leading-relaxed text-[#92400e]">
          {t("hall.preview.warningsDescription")}
        </p>
        <ul className="space-y-1 text-xs text-slate-700">
          {warnings.map((w, i) => (
            <li key={`${w.number_4d}-${i}`}>
              <span className="font-mono font-black text-[#e5002c]">{w.number_4d}</span> · {w.message}
            </li>
          ))}
        </ul>
      </AlertDescription>
    </Alert>
  );
}

function SubmittingPanel() {
  const { t } = useTranslation("player");

  return (
    <DialogContent
      showCloseButton={false}
      className="max-w-[340px] overflow-hidden rounded-2xl border border-white/70 bg-white p-0 shadow-[0_24px_70px_rgba(15,23,42,0.22)]"
    >
      <div className="px-8 py-8 text-center">
        <Image
          src="/entry/image6.png"
          alt=""
          width={150}
          height={119}
          style={{ width: "auto", height: "auto" }}
          className="mx-auto max-h-[118px] w-[150px] object-contain"
          priority
          aria-hidden
        />
        <div className="mx-auto mt-2 h-2 w-44 overflow-hidden rounded-full bg-[#dbe3f1]">
          <div className="h-full w-2/3 rounded-full bg-[#0755c7] shadow-[0_0_14px_rgba(7,85,199,0.45)]" />
        </div>
        <DialogHeader className="mt-8 items-center gap-2">
          <DialogTitle className="text-xl font-black text-slate-950">
            {t("hall.preview.processingTitle")}
          </DialogTitle>
          <DialogDescription className="max-w-[220px] text-center text-sm leading-relaxed text-slate-500">
            {t("hall.preview.processingDescription")}
          </DialogDescription>
        </DialogHeader>
        <div className="mt-7 inline-flex items-center gap-2 text-sm font-semibold text-slate-500">
          <LoaderCircle className="size-4 animate-spin text-[#0755c7]" />
          {t("hall.preview.processingProgress")}
        </div>
      </div>
    </DialogContent>
  );
}

/**
 * 预览弹窗 + 提交确认（产品文档 §10.1.2：预览不下单，确认后 place）。
 */
export function HallBetPreviewDialog({
  open,
  onOpenChange,
  currencyCode,
  data,
  placing,
  jackpotEnabled = false,
  allowSubmit = true,
  onConfirmPlace,
}: HallBetPreviewDialogProps) {
  const { t } = useTranslation("player");
  const summary = data?.summary;
  const lines = data?.lines ?? [];
  const periodRebate = summary?.instant_rebate_applied === false;
  const rebateLabel = periodRebate
    ? t("hall.preview.periodRebate", { defaultValue: "账期回水" })
    : t("hall.preview.rebate");

  useEffect(() => {
    if (open && !placing && !data) {
      onOpenChange(false);
    }
  }, [data, onOpenChange, open, placing]);

  if (placing) {
    return (
      <Dialog open={open} onOpenChange={() => {}}>
        <SubmittingPanel />
      </Dialog>
    );
  }

  if (!data) {
    return null;
  }

  return (
    <Dialog open={open} onOpenChange={onOpenChange}>
      <DialogContent
        showCloseButton={false}
        className="flex max-h-[calc(100dvh-24px)] flex-col gap-0 overflow-hidden rounded-2xl border-[#e4ebf6] bg-white p-0 shadow-[0_18px_60px_rgba(15,23,42,0.18)] ring-[#e8eef7] sm:max-h-[min(92vh,760px)] sm:max-w-lg"
      >
        <div className="relative shrink-0 px-3 pb-2.5 pt-4 sm:px-4">
          <button
            type="button"
            onClick={() => onOpenChange(false)}
            disabled={placing}
            className="absolute right-3 top-3 inline-flex size-9 items-center justify-center rounded-full text-slate-400 transition-colors hover:bg-slate-100 hover:text-slate-700 disabled:opacity-50"
            aria-label={t("actions.close")}
          >
            <XIcon className="size-5" />
          </button>
          <DialogHeader className="pr-10">
            <div className="mb-2 flex items-center gap-3">
              <span className="flex size-11 items-center justify-center rounded-full bg-[#fff0f3] text-[#e5002c]">
                <WalletCards className="size-6" />
              </span>
              <DialogTitle className="text-xl font-black text-slate-950">
                {t("hall.preview.title")}
              </DialogTitle>
            </div>
            <DialogDescription className="text-sm leading-relaxed text-slate-500">
              {t("hall.preview.description")}
            </DialogDescription>
          </DialogHeader>
          {!allowSubmit ? (
            <Alert className="mt-3 border-[#ff4d4f]/35 bg-[#ff4d4f]/8 text-[#ff4d4f]">
              <AlertTriangleIcon />
              <AlertTitle>{t("hall.preview.sealedTitle")}</AlertTitle>
              <AlertDescription className="text-xs leading-relaxed">
                {t("hall.preview.sealedDescription")}
              </AlertDescription>
            </Alert>
          ) : null}
        </div>

        <div
          className="min-h-0 flex-1 overflow-y-auto border-y border-[#e8eef7] px-3 sm:px-4"
        >
          <div className="space-y-3 py-3">
            {!data ? (
              <p className="text-sm text-slate-500">{t("hall.preview.empty")}</p>
            ) : (
              <>
                <div className="flex flex-wrap items-center gap-2 text-sm">
                  <span className="text-slate-500">{t("hall.preview.draw")}:</span>
                  <span className="font-mono font-black text-[#e5002c]">{data.draw.draw_id}</span>
                  <span className="rounded-full bg-[#edf4ff] px-2 py-0.5 text-xs font-bold text-[#0b3f96]">
                    {data.draw.status}
                  </span>
                </div>

                {jackpotEnabled ? (
                  <Alert className="border-[#d9ecff] bg-[#f4f9ff] text-[#0b3f96]">
                    <CheckCircle2 className="size-4" />
                    <AlertTitle>{t("hall.jackpotParticipation.title")}</AlertTitle>
                    <AlertDescription className="text-xs leading-relaxed">
                      {t("hall.jackpotParticipation.previewDescription")}
                    </AlertDescription>
                  </Alert>
                ) : null}

                <div className="overflow-x-auto rounded-xl border border-[#dfe8f6]">
                  <table className="min-w-[640px] w-full border-collapse text-xs">
                    <thead className="bg-[#f4f7fd] text-[#304f86]">
                      <tr>
                        <th className="w-10 border-r border-[#dfe8f6] px-2 py-3 text-center font-black">No.</th>
                        <th className="border-r border-[#dfe8f6] px-2 py-3 text-center font-black">
                          {t("hall.result.number")}
                        </th>
                        <th className="border-r border-[#dfe8f6] px-2 py-3 text-center font-black">
                          {t("orders.play")}
                        </th>
                        <th className="border-r border-[#dfe8f6] px-2 py-3 text-center font-black">
                          {t("hall.preview.amount")}
                        </th>
                        <th className="border-r border-[#dfe8f6] px-2 py-3 text-center font-black">
                          {rebateLabel}
                        </th>
                        <th className="border-r border-[#dfe8f6] px-2 py-3 text-center font-black">
                          {t("hall.preview.estimatedMax")}
                        </th>
                        <th className="px-2 py-3 text-center font-black">
                          {t("hall.preview.actual")}
                        </th>
                      </tr>
                    </thead>
                    <tbody>
                      {lines.map((ln) => (
                        <tr key={ln.client_line_no} className="border-t border-[#e8eef7] bg-white">
                          <td className="border-r border-[#e8eef7] px-2 py-3 text-center">
                            <span className="inline-flex size-6 items-center justify-center rounded-full border border-[#dfe8f6] font-black text-[#304f86]">
                              {ln.client_line_no}
                            </span>
                          </td>
                          <td className="border-r border-[#e8eef7] px-2 py-3 text-center">
                            <span className="block font-mono text-base font-black text-slate-950">{ln.number}</span>
                            <span className="text-[11px] font-bold text-[#0755c7]">{playLabel(ln.play_code, t)}</span>
                          </td>
                          <td className="border-r border-[#e8eef7] px-2 py-3 text-center font-semibold text-slate-700">
                            {ln.play_code}
                          </td>
                          <td className="border-r border-[#e8eef7] px-2 py-3 text-center font-semibold tabular-nums">
                            {formatMinorAsCurrency(ln.total_bet_amount, currencyCode)}
                          </td>
                          <td className="border-r border-[#e8eef7] px-2 py-3 text-center font-semibold tabular-nums text-emerald-600">
                            {periodRebate ? "" : "-"}
                            {formatMinorAsCurrency(ln.rebate_amount, currencyCode).replace(`${currencyCode} `, "")}
                          </td>
                          <td className="border-r border-[#e8eef7] px-2 py-3 text-center font-black tabular-nums text-[#e5002c]">
                            {formatMinorAsCurrency(ln.estimated_max_payout, currencyCode)}
                          </td>
                          <td className="px-2 py-3 text-center font-black tabular-nums text-[#0b3f96]">
                            {formatMinorAsCurrency(ln.actual_deduct_amount, currencyCode)}
                          </td>
                        </tr>
                      ))}
                    </tbody>
                  </table>
                </div>

                {summary ? (
                  <div className="grid grid-cols-2 overflow-hidden rounded-xl border border-[#dfe8f6] bg-[#f8fbff] text-center text-xs sm:grid-cols-4">
                    <div className="border-r border-[#dfe8f6] px-2 py-3">
                      <p className="font-bold text-[#304f86]">{t("hall.preview.totalBet")}</p>
                      <p className="mt-1 font-black tabular-nums text-[#0b3f96]">
                        {formatMinorAsCurrency(summary.total_bet_amount, currencyCode)}
                      </p>
                    </div>
                    <div className="border-r border-[#dfe8f6] px-2 py-3">
                      <p className="font-bold text-[#304f86]">{rebateLabel}</p>
                      <p className="mt-1 font-black tabular-nums text-emerald-600">
                        {periodRebate ? "" : "-"}
                        {formatMinorAsCurrency(summary.total_rebate_amount, currencyCode).replace(
                          `${currencyCode} `,
                          "",
                        )}
                      </p>
                    </div>
                    <div className="border-r border-[#dfe8f6] px-2 py-3">
                      <p className="font-bold text-[#304f86]">{t("hall.preview.actualDeduct")}</p>
                      <p className="mt-1 font-black tabular-nums text-[#e5002c]">
                        {formatMinorAsCurrency(summary.total_actual_deduct, currencyCode)}
                      </p>
                    </div>
                    <div className="px-2 py-3">
                      <p className="font-bold text-[#304f86]">{t("hall.preview.estimatedPayout")}</p>
                      <p className="mt-1 font-black tabular-nums text-[#e5002c]">
                        {formatMinorAsCurrency(summary.total_estimated_payout, currencyCode)}
                      </p>
                    </div>
                  </div>
                ) : null}

                {periodRebate ? (
                  <p className="text-xs leading-relaxed text-slate-500">
                    {t("hall.preview.periodRebateHint", {
                      defaultValue:
                        "信用盘回水在账期结算入账，下注时按全额占用可用信用，此处为账期回水预估。",
                    })}
                  </p>
                ) : null}

                {data.warnings.length > 0 ? (
                  <WarningsBlock warnings={data.warnings} />
                ) : (
                  <div className="flex items-center gap-2 rounded-xl border border-emerald-100 bg-emerald-50 px-3 py-3 text-sm font-semibold text-emerald-700">
                    <CheckCircle2 className="size-5" />
                    {t("hall.preview.noWarnings")}
                  </div>
                )}
              </>
            )}
          </div>
        </div>

        <div className="grid shrink-0 grid-cols-2 gap-2.5 border-t border-[#e8eef7] bg-white p-3 pb-[calc(0.75rem+env(safe-area-inset-bottom))] sm:p-4">
          <Button
            type="button"
            variant="outline"
            onClick={() => onOpenChange(false)}
            disabled={placing}
            className="h-12 rounded-lg border-[#ff3650] bg-white text-base font-black text-[#e5002c] hover:bg-[#fff5f6]"
          >
            {t("hall.preview.backEdit")}
          </Button>
          <Button
            type="button"
            onClick={onConfirmPlace}
            disabled={!data || placing || !allowSubmit}
            className="h-12 gap-2 rounded-lg border-0 bg-[#e5002c] text-base font-black text-white shadow-[0_10px_24px_rgba(229,0,44,0.28)] hover:bg-[#d10028] disabled:bg-slate-500 disabled:opacity-100 disabled:shadow-none"
          >
            {!allowSubmit && !placing ? <Lock className="size-5 shrink-0" aria-hidden /> : null}
            {placing
              ? t("hall.preview.submitting")
              : allowSubmit
                ? t("hall.preview.confirmSubmit")
                : t("hall.preview.sealedTitle")}
          </Button>
        </div>
      </DialogContent>
    </Dialog>
  );
}
