"use client";

import { BotIcon, MessageSquareIcon, Radio, SquarePenIcon } from "lucide-react";
import { useRouter } from "next/navigation";
import { useEffect, useState } from "react";

import { Badge } from "@/components/ui/badge";
import { Button } from "@/components/ui/button";
import {
  Card,
  CardDescription,
  CardFooter,
  CardHeader,
  CardTitle,
} from "@/components/ui/card";
import { SENTIMENT_AGENT_ID } from "@/core/sentiment-agent/config";
import { readSentimentAgentProfile } from "@/core/sentiment-agent/profile";
import { desensitize } from "@/lib/desensitize";
import { cn } from "@/lib/utils";

import { SentimentAgentProfileDialog } from "./sentiment-agent-profile-dialog";

/**
 * 「舆情分析」类型下的虚拟智能体卡片：只存在于前端（不落库 /api/agents），
 * 对话经 Gateway 转发外部 AG-UI 网关。名称 / 简介可编辑（localStorage），
 * 视觉与普通智能体卡片保持一致（网格 / 列表两种布局）。
 */
export function SentimentAgentCard({
  layout = "grid",
  className,
}: {
  layout?: "grid" | "list";
  className?: string;
}) {
  const router = useRouter();
  const [profile, setProfile] = useState(() => readSentimentAgentProfile());
  const [editOpen, setEditOpen] = useState(false);

  // 编辑弹窗也可能挂在对话页，保存后广播事件，这里即时刷新卡片。
  useEffect(() => {
    const onChange = () => setProfile(readSentimentAgentProfile());
    window.addEventListener("sentiment-agent-profile-changed", onChange);
    return () =>
      window.removeEventListener("sentiment-agent-profile-changed", onChange);
  }, []);

  const handleChat = () => {
    router.push(`/page/workspace/agents/${SENTIMENT_AGENT_ID}/chats/new`);
  };

  const editButton = (
    <Button
      size="icon"
      variant="ghost"
      className="h-8 w-8 shrink-0"
      onClick={() => setEditOpen(true)}
      title="编辑名称与简介"
      aria-label="编辑名称与简介"
    >
      <SquarePenIcon className="h-3.5 w-3.5" />
    </Button>
  );

  const chatButton = (
    <Button
      size="sm"
      className={cn(layout === "list" ? "shrink-0" : "w-full")}
      onClick={handleChat}
    >
      <MessageSquareIcon className="mr-1.5 h-3.5 w-3.5" />
      对话
    </Button>
  );

  const badge = (
    <Badge variant="secondary" className="gap-1 text-xs">
      <Radio className="size-3" />
      舆情分析
    </Badge>
  );

  const dialog = (
    <SentimentAgentProfileDialog
      open={editOpen}
      onOpenChange={setEditOpen}
    />
  );

  if (layout === "list") {
    return (
      <div
        className={cn(
          "group flex min-w-0 items-center gap-3 rounded-lg border p-2.5 transition-shadow hover:shadow-sm dark:border-[#213D5E] dark:bg-[#02244C]",
          className,
        )}
      >
        <div className="agent-avatar bg-primary/10 text-primary flex h-9 w-9 shrink-0 items-center justify-center rounded-lg">
          <BotIcon className="h-5 w-5" />
        </div>
        <div className="min-w-0 flex-1 overflow-hidden">
          <div className="flex min-w-0 items-center gap-2">
            <span
              className="min-w-0 truncate text-sm font-medium"
              title={desensitize(profile.name)}
            >
              {desensitize(profile.name)}
            </span>
            {badge}
          </div>
          <p className="text-muted-foreground mt-0.5 truncate text-xs">
            {desensitize(profile.description)}
          </p>
        </div>
        <div className="flex shrink-0 items-center gap-1">
          {editButton}
          {chatButton}
        </div>
        {dialog}
      </div>
    );
  }

  return (
    <Card
      className={cn(
        "group flex min-w-0 flex-col transition-shadow hover:shadow-md",
        className,
      )}
    >
      <CardHeader className="min-w-0 pb-2">
        <div className="flex min-w-0 items-start justify-between gap-2">
          <div className="flex min-w-0 flex-1 items-center gap-2 overflow-hidden">
            <div className="agent-avatar bg-primary/10 text-primary flex h-9 w-9 shrink-0 items-center justify-center rounded-lg">
              <BotIcon className="h-5 w-5" />
            </div>
            <div className="min-w-0 flex-1 overflow-hidden">
              <CardTitle
                className="block w-full min-w-0 overflow-hidden text-base text-ellipsis whitespace-nowrap"
                title={desensitize(profile.name)}
              >
                {desensitize(profile.name)}
              </CardTitle>
              <div className="mt-0.5">{badge}</div>
            </div>
          </div>
          <div className="flex shrink-0 items-center justify-end gap-1">
            {editButton}
          </div>
        </div>
        <CardDescription className="mt-2 line-clamp-2 text-sm">
          {desensitize(profile.description)}
        </CardDescription>
      </CardHeader>
      <CardFooter className="mt-auto flex flex-col items-stretch gap-2 pt-2">
        {chatButton}
      </CardFooter>
      {dialog}
    </Card>
  );
}