import { Badge } from "@workspace/ui/components/badge";
import {
  Sheet,
  SheetContent,
  SheetHeader,
  SheetTitle,
} from "@workspace/ui/components/sheet";
import {
  Tabs,
  TabsContent,
  TabsList,
  TabsTrigger,
} from "@workspace/ui/components/tabs";
import { getLotteryActivityDetail } from "@workspace/ui/services/admin/lottery";
import { useEffect, useState } from "react";
import { useTranslation } from "react-i18next";
import PrizeGrid from "./prize-grid";
import RuleEditor from "./rule-editor";

interface ActivityDetailProps {
  activity: API.LotteryActivity | null;
  open: boolean;
  onOpenChange: (open: boolean) => void;
  onChanged?: () => void;
}

type TranslateFn = (key: string, defaultValue: string) => string;

const STATUS_BADGE_VARIANTS: Record<
  API.LotteryActivityStatus,
  "default" | "secondary" | "destructive" | "outline"
> = {
  draft: "secondary",
  running: "default",
  paused: "outline",
  ended: "destructive",
};

function statusLabel(
  status: API.LotteryActivityStatus,
  t: TranslateFn
): string {
  const labels: Record<API.LotteryActivityStatus, string> = {
    draft: t("status.draft", "Draft"),
    running: t("status.running", "Running"),
    paused: t("status.paused", "Paused"),
    ended: t("status.ended", "Ended"),
  };
  return labels[status] ?? status;
}

export default function ActivityDetail({
  activity,
  open,
  onOpenChange,
  onChanged,
}: ActivityDetailProps) {
  const { t } = useTranslation("lottery");
  // 抽屉打开时拉取详情作为数据源，避免列表行数据不完整时被全量 PUT 覆盖
  const [detail, setDetail] = useState<API.LotteryActivity | null>(null);
  const activityId = activity?.id;

  useEffect(() => {
    setDetail(null);
    if (!(open && activityId)) return;
    let cancelled = false;
    getLotteryActivityDetail({ id: activityId })
      .then(({ data }) => {
        if (!cancelled && data.data) setDetail(data.data);
      })
      .catch(() => {
        // Request layer already surfaces the error toast; fall back to prop data
      });
    return () => {
      cancelled = true;
    };
  }, [open, activityId]);

  const current = detail ?? activity;

  return (
    <Sheet onOpenChange={onOpenChange} open={open}>
      <SheetContent className="w-[800px] max-w-full sm:max-w-3xl" side="right">
        {current && (
          <>
            <SheetHeader>
              <SheetTitle className="flex items-center gap-2">
                <span className="truncate">{current.title}</span>
                <Badge
                  variant={STATUS_BADGE_VARIANTS[current.status] ?? "outline"}
                >
                  {statusLabel(current.status, t)}
                </Badge>
              </SheetTitle>
            </SheetHeader>
            <div className="max-h-[calc(100dvh-88px)] overflow-y-auto px-6 pb-6">
              <Tabs defaultValue="prizes">
                <TabsList className="mb-4">
                  <TabsTrigger value="prizes">
                    {t("detail.prizesTab", "Prizes")}
                  </TabsTrigger>
                  <TabsTrigger value="rules">
                    {t("detail.rulesTab", "Rules")}
                  </TabsTrigger>
                </TabsList>
                <TabsContent value="prizes">
                  <PrizeGrid activity={current} />
                </TabsContent>
                <TabsContent value="rules">
                  <RuleEditor activity={current} onSaved={onChanged} />
                </TabsContent>
              </Tabs>
            </div>
          </>
        )}
      </SheetContent>
    </Sheet>
  );
}