import type { GlobalSettings } from "@umt/contracts";
import { LoaderCircle } from "lucide-react";
import { toast } from "sonner";
import { useTestWebSearch, useUpdateSettings } from "~/api/settings.ts";
import { StatusBadge } from "~/components/console/status-badge.tsx";
import { Button } from "~/components/ui/button.tsx";
import { errorMessage } from "~/lib/api.ts";
import { num, str } from "./resource-section.tsx";
import { type CardSpec, n } from "./settings-card.tsx";

// Agent 分区「网页搜索」:provider / Key(只写,存 secret)/ 地区 / 语言 / 安全搜索 / 每次条数 / 每分钟上限 + 测试

export const WEBSEARCH_CARD: CardSpec = {
  anchor: "websearch",
  title: "网页搜索",
  description:
    "开启后 Agent 可以用 web.search 搜索站外公开信息，用 web.fetch 读取搜索结果里的网页。结果和正文按不可信数据交给模型，web.fetch 不能读内网地址和结果以外的链接。",
  fields: [
    {
      name: "agent.webSearch.provider",
      label: "搜索服务",
      kind: "select",
      options: [
        { value: "none", label: "关闭" },
        { value: "brave", label: "Brave Search" },
      ],
    },
    {
      name: "agent.webSearch.apiKey",
      label: "API Key",
      kind: "password",
      hint: "Brave Search API 的 Subscription Token；留空不修改",
      visible: (v) => v["agent.webSearch.provider"] !== "none",
    },
    {
      name: "agent.webSearch.country",
      label: "搜索地区",
      kind: "text",
      placeholder: "ALL",
      hint: "两位国家码，如 CN、US；ALL 表示不限",
      visible: (v) => v["agent.webSearch.provider"] !== "none",
    },
    {
      name: "agent.webSearch.searchLang",
      label: "结果语言",
      kind: "text",
      placeholder: "不限",
      hint: "如 zh-hans、en；留空不限",
      visible: (v) => v["agent.webSearch.provider"] !== "none",
    },
    {
      name: "agent.webSearch.safesearch",
      label: "安全搜索",
      kind: "select",
      options: [
        { value: "off", label: "关闭" },
        { value: "moderate", label: "适中" },
        { value: "strict", label: "严格" },
      ],
      visible: (v) => v["agent.webSearch.provider"] !== "none",
    },
    {
      name: "agent.webSearch.maxResults",
      label: "每次条数",
      kind: "number",
      hint: "1–10，Agent 可以要更少",
      visible: (v) => v["agent.webSearch.provider"] !== "none",
    },
    {
      name: "agent.webSearch.requestsPerMinute",
      label: "每分钟上限",
      kind: "number",
      hint: "三个进程共用；10 分钟内的相同搜索走缓存，不计次数",
      visible: (v) => v["agent.webSearch.provider"] !== "none",
    },
  ],
  fromSettings: (s) => {
    const w = s.agent.webSearch;
    return {
      "agent.webSearch.provider": w.provider,
      "agent.webSearch.apiKey": "",
      "agent.webSearch.country": w.country,
      "agent.webSearch.searchLang": w.searchLang ?? "",
      "agent.webSearch.safesearch": w.safesearch,
      "agent.webSearch.maxResults": n(w.maxResults),
      "agent.webSearch.requestsPerMinute": n(w.requestsPerMinute),
    };
  },
  toPatch: (v) => {
    const key = str(v["agent.webSearch.apiKey"]);
    const safe = str(v["agent.webSearch.safesearch"]);
    return {
      agent: {
        webSearch: {
          provider: v["agent.webSearch.provider"] === "brave" ? "brave" : "none",
          country: str(v["agent.webSearch.country"]).toUpperCase() || "ALL",
          searchLang: str(v["agent.webSearch.searchLang"]).toLowerCase() || null,
          safesearch: safe === "off" || safe === "strict" ? safe : "moderate",
          maxResults: num(v["agent.webSearch.maxResults"]),
          requestsPerMinute: num(v["agent.webSearch.requestsPerMinute"]),
          ...(key ? { apiKey: key } : {}),
        },
      },
    };
  },
  extra: (s) => <WebSearchKeyStatus settings={s} />,
};

function WebSearchKeyStatus({ settings }: { settings: GlobalSettings }) {
  const update = useUpdateSettings();
  const test = useTestWebSearch();
  const w = settings.agent.webSearch;
  if (w.provider === "none") return null;
  const saved = !!w.apiKeySecretRef;
  return (
    <div className="mb-2 flex flex-wrap items-center gap-2">
      <StatusBadge tone={saved ? "success" : "neutral"}>{saved ? "API Key 已保存" : "未保存 API Key"}</StatusBadge>
      {saved ? (
        <>
          <Button
            type="button"
            variant="outline"
            size="xs"
            disabled={test.isPending}
            onClick={async () => {
              try {
                const r = await test.mutateAsync({});
                if (r.ok) toast.success(`搜索可用：${r.count} 条结果，用时 ${r.durationMs} ms`);
                else toast.error(r.error?.message ?? "搜索失败");
              } catch (err) {
                toast.error(errorMessage(err, "测试失败"));
              }
            }}
          >
            {test.isPending ? <LoaderCircle className="animate-spin" /> : null}
            测试搜索
          </Button>
          <Button
            type="button"
            variant="ghost"
            size="xs"
            className="hover:text-destructive"
            disabled={update.isPending}
            onClick={async () => {
              try {
                await update.mutateAsync({ agent: { webSearch: { apiKey: null } } });
                toast.success("搜索服务 API Key 已清除");
              } catch (err) {
                toast.error(errorMessage(err, "清除失败"));
              }
            }}
          >
            清除
          </Button>
        </>
      ) : null}
      {test.data?.ok ? (
        <span className="text-meta text-muted-foreground tabular-nums">
          「{test.data.query}」{test.data.count} 条 · {test.data.durationMs} ms
        </span>
      ) : null}
    </div>
  );
}