import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
import { DEFAULT_SETTINGS, DEPRECATED_SETTINGS_FIELDS, type GlobalSettings, SETTINGS_SECTIONS } from "@umt/contracts";
import { createElement } from "react";
import { renderToString } from "react-dom/server";
import { MemoryRouter } from "react-router";
import { describe, expect, it } from "vitest";
import { qk } from "~/lib/query-keys.ts";
import { cacheRow } from "./cache.tsx";
import { SETTINGS_CARDS, searchSettings } from "./search-index.ts";
import { parseSettingsHash, SECTION_GROUPS, SECTIONS, settingsHash } from "./sections.tsx";
import { anchorId } from "./settings-block.tsx";

// 设置页重排(2026-10-06):分组导航、旧锚点跳转、搜索定位、各分区渲染不丢字段。
// 渲染用 react-dom/server + 预置的设置数据;列表类接口在服务端渲染里保持加载态,只核对节锚点。

/** 表单字段名 → 它写回的存储字段(换了单位 / 拆了子字段的在这里对上) */
const FIELD_ALIASES: Record<string, string> = {
  "budget.maxDownloadGiBPerDay": "budget.maxDownloadBytesPerDay",
  "organize.minSizeMiB": "organize.minSizeBytes",
  "metadata.tmdbApiKey": "metadata.tmdbApiKeySecretRef",
};

/** 不走表单卡片、由专门组件渲染的字段 → 所在节(只核对节在页面上) */
const CUSTOM_FIELDS: Record<string, string> = {
  "organize.classificationYaml": "library/classification",
  "organize.sources": "library/sources",
  "naming.movie": "library/naming",
  "naming.tv": "library/naming",
  "naming.variety": "library/naming",
  "naming.lockFileNameForBound": "library/naming",
  "pi.defaultUpstreamId": "agent/upstream",
  "search.defaultSiteMode": "acquire/search",
  "search.siteIds": "acquire/search",
  "automation.enabled": "system/switches",
  "automation.readOnlyReconcile": "system/readonly",
};

/** 打开所有"开了才显示后续字段"的开关,让条件字段也渲染出来 */
const ALL_ON: GlobalSettings = {
  ...DEFAULT_SETTINGS,
  pi: {
    ...DEFAULT_SETTINGS.pi,
    subagentsEnabled: true,
    subagents: { ...DEFAULT_SETTINGS.pi.subagents, enabled: true },
  },
  agent: {
    ...DEFAULT_SETTINGS.agent,
    autoInvestigate: true,
    autoInvestigateMode: "recover",
    webSearch: { ...DEFAULT_SETTINGS.agent.webSearch, provider: "brave" },
  },
};

function render(sectionId: string, settings: GlobalSettings = DEFAULT_SETTINGS): string {
  const qc = new QueryClient({ defaultOptions: { queries: { retry: false, enabled: false } } });
  qc.setQueryData(qk.settings, settings);
  const section = SECTIONS.find((s) => s.id === sectionId)!;
  return renderToString(
    createElement(
      QueryClientProvider,
      { client: qc },
      createElement(MemoryRouter, { initialEntries: [`/console/settings#${sectionId}`] }, section.render()),
    ),
  );
}

/** 存储字段(`key.field`)是否被某个渲染出来的控件 id(`f-<表单字段名>`)覆盖 */
function covered(field: string, controlIds: string[]): boolean {
  return controlIds.some((id) => {
    const target = FIELD_ALIASES[id] ?? id;
    return target === field || target.startsWith(`${field}.`);
  });
}

describe("设置页分组导航", () => {
  it("三组按 接入 → 流程 → 系统 排,每个分区都在某一组里,带标题和一句说明", () => {
    expect(SECTION_GROUPS.map((g) => g.label)).toEqual(["接入", "流程", "系统"]);
    expect(SECTION_GROUPS.flatMap((g) => g.sections.map((s) => s.id))).toEqual(SECTIONS.map((s) => s.id));
    for (const s of SECTIONS) {
      expect(s.label).not.toBe("");
      expect(s.description).not.toBe("");
      expect(typeof s.render).toBe("function");
    }
  });

  it("接入对象与参数分开:实例类分区的第一节是对象列表", () => {
    const first = (id: string) => SECTIONS.find((s) => s.id === id)?.anchors[0]?.id;
    expect(first("downloaders")).toBe("instances");
    expect(first("media-servers")).toBe("instances");
    expect(first("library")).toBe("roots");
    expect(first("agent")).toBe("upstream");
  });
});

describe("旧锚点跳转", () => {
  it.each([
    ["#automation/cache", "downloaders", "cache"],
    ["#automation/budget", "acquire", "budget"],
    ["#automation/advanced", "system", "readonly"],
    ["#automation", "system", null],
    ["#library/scrape", "organize", "scrape"],
    ["#metadata/identity", "acquire", "identity"],
    ["#metadata/tmdb-cache", "cache", "tmdb-cache"],
    ["#api-keys", "account", "api-keys"],
    ["#account/shortcuts", "interface", "shortcuts"],
  ])("%s → #%s/%s,并标记需要替换地址", (hash, section, anchor) => {
    const r = parseSettingsHash(hash);
    expect(r.section.id).toBe(section);
    expect(r.anchor).toBe(anchor);
    expect(r.moved).toBe(true);
  });

  it("新锚点不跳;#agent 等同名分区保持;不认识的落到第一个分区", () => {
    expect(parseSettingsHash("#agent")).toMatchObject({ anchor: null, moved: false });
    expect(parseSettingsHash("#agent").section.id).toBe("agent");
    expect(parseSettingsHash("#downloaders/instances").section.id).toBe("downloaders");
    expect(parseSettingsHash("#nope").section.id).toBe(SECTIONS[0]!.id);
    expect(settingsHash("cache", "regions")).toBe("#cache/regions");
  });
});

describe("搜索定位", () => {
  it.each([
    ["H&R", "downloaders", "instances", null],
    ["刮削", "organize", "scrape", null],
    ["整理后自动刮削", "organize", "scrape", "organize.scrapeAfterImport"],
    ["已有文件", "organize", "scrape", "organize.scrapeMode"],
    ["单次工具调用上限", "agent", "budget", "agent.maxToolCalls"],
    ["整理识别不到作品", "agent", "investigate", "agent.autoIdentifyOrganize"],
    ["特别篇", "metadata", "language", "metadata.includeSpecials"],
    ["代理地址", "sites", "network", "sites.proxyUrl"],
    ["Cloudflare", "sites", "browser", null],
    ["保种天数", "downloaders", "seeding", "retention.seedRetentionDays"],
    ["豆瓣", "cache", "regions", null],
    ["Passkey", "account", "passkeys", null],
    ["API Key", "account", "api-keys", null],
  ])("「%s」能找到 %s/%s", (q, section, anchor, field) => {
    const hits = searchSettings(q, 20);
    const hit = hits.find((h) => h.section === section && h.anchor === anchor && (field === null || h.field === field));
    expect(hit, JSON.stringify(hits.map((h) => h.key))).toBeDefined();
  });

  it("空查询没有结果;找不到时返回空", () => {
    expect(searchSettings("  ")).toEqual([]);
    expect(searchSettings("完全不存在的设置名")).toEqual([]);
  });

  it("搜索登记的卡片锚点都是所在分区的节", () => {
    for (const [sid, card] of SETTINGS_CARDS) {
      const s = SETTINGS_SECTIONS.find((x) => x.id === sid);
      expect(
        s?.anchors.map((a) => a.id),
        `${sid}/${card.anchor}`,
      ).toContain(card.anchor);
    }
  });
});

describe("各分区渲染(不丢字段)", () => {
  const html = Object.fromEntries(SECTIONS.map((s) => [s.id, render(s.id)]));
  const htmlAllOn = Object.fromEntries(SECTIONS.map((s) => [s.id, render(s.id, ALL_ON)]));

  it.each(SECTIONS.map((s) => [s.id]))("%s:每一节都渲染出来", (id) => {
    const s = SECTIONS.find((x) => x.id === id)!;
    for (const a of s.anchors) expect(html[id], `${id}/${a.id}`).toContain(`id="${anchorId(id, a.id)}"`);
  });

  it("每个在用的存储字段都出现在它所属分区的页面上", () => {
    const deprecated = new Set<string>(DEPRECATED_SETTINGS_FIELDS);
    const missing: string[] = [];
    for (const s of SECTIONS) {
      const page = `${html[s.id] ?? ""}\n${htmlAllOn[s.id] ?? ""}`;
      const controlIds = [...page.matchAll(/id="f-([^"]+)"/g)].map((m) => m[1] as string);
      for (const f of s.fields) {
        if (deprecated.has(f)) continue;
        const custom = CUSTOM_FIELDS[f];
        if (custom) {
          const [sid, anchor] = custom.split("/") as [string, string];
          if (sid !== s.id || !page.includes(`id="${anchorId(sid, anchor)}"`)) missing.push(`${s.id}:${f}`);
          continue;
        }
        if (!covered(f, controlIds)) missing.push(`${s.id}:${f}`);
      }
    }
    expect(missing).toEqual([]);
  });

  it("近期新增的设置都在页面上:智能体防跑飞限制与用量、识别失败自动派智能体、刮削「更新」、整理后自动刮削、H&R 未知", () => {
    expect(html.agent).toContain('id="f-agent.maxToolCalls"');
    expect(html.agent).toContain('id="f-agent.maxDurationSec"');
    expect(html.agent).toContain('id="f-agent.autoIdentifyOrganize"');
    expect(html.organize).toContain('id="f-organize.scrapeAfterImport"');
    expect(html.organize).toContain("更新");
    // 实例抽屉的字段在打开抽屉后才渲染;这里核对搜索能定位到实例节
    expect(searchSettings("H&R 未知也可清理")[0]).toMatchObject({ section: "downloaders", anchor: "instances" });
  });

  it("废弃字段不再显示", () => {
    const all = Object.values(html).join("\n");
    for (const f of DEPRECATED_SETTINGS_FIELDS) expect(all).not.toContain(`id="f-${f}"`);
    expect(all).not.toContain("日志保留天数");
    expect(all).not.toContain("每日费用");
  });
});

describe("缓存区名", () => {
  it("已知区显示中文名,未知区原样显示", () => {
    const base = { entries: 1, expired: 0, bytes: 10, lastWriteAt: null };
    expect(cacheRow({ region: "tmdb.request", ...base }).label).toBe("TMDB 请求");
    expect(cacheRow({ region: "douban.subject", ...base }).label).toBe("豆瓣条目");
    expect(cacheRow({ region: "bangumi.calendar", ...base }).label).toBe("Bangumi（calendar）");
    expect(cacheRow({ region: "site.detail", ...base }).label).toBe("站点详情页");
    expect(cacheRow({ region: "images", ...base }).label).toBe("图片");
    expect(cacheRow({ region: "zzz.custom", ...base }).label).toBe("zzz.custom");
  });
});