"use client";

import { AnimatePresence, motion } from "framer-motion";
import {
  Activity,
  ArrowUpRight,
  ChevronRight,
  Cpu,
  HardDrive,
  Loader2,
  Menu,
  Network,
  Radio,
  RefreshCw,
  Server,
  Settings,
  Smartphone,
  Sparkles,
  Wifi,
  X,
} from "lucide-react";
import { useCallback, useEffect, useMemo, useState } from "react";

import OverviewCharts from "@/components/OverviewCharts";
import { normalizeBrowserReachableHttpUrl } from "@/lib/panelUrls";

type Lang = "zh" | "en";
type ViewKey = "dashboard" | "services" | "live" | "android" | "network" | "settings";

const apiBase = () =>
  (typeof process !== "undefined" && process.env.NEXT_PUBLIC_API_URL) || "";

function tr(lang: Lang, zh: string, en: string) {
  return lang === "zh" ? zh : en;
}

type HubDashboard = {
  snapshot?: {
    cpu_load?: { "1m"?: number; "5m"?: number; "15m"?: number };
    memory?: { total?: number; available?: number; free?: number };
    disk?: { total?: number; free?: number; used?: number };
    netdata?: { available?: boolean; version?: string };
  };
  stack?: {
    mdns_host?: string;
    quick_links?: Record<string, string>;
    ips?: string[];
  };
  services?: Array<{
    service_id: string;
    label: string;
    description: string;
    available: boolean;
    running: boolean;
    status: string;
    detail?: string;
  }>;
  android?: { adb_available: boolean; devices: Array<{ serial: string; model?: string; state: string }> };
  live?: {
    backend_mode?: string;
    processes?: Array<{
      pm2: string;
      label?: string;
      process_status?: string;
      script?: string;
    }>;
  };
};

type ProcessEntry = { pm2: string; script: string; label: string };

function formatBytes(value?: number) {
  if (!value) return "—";
  const u = ["B", "KB", "MB", "GB", "TB"];
  let n = value;
  let i = 0;
  while (n >= 1024 && i < u.length - 1) {
    n /= 1024;
    i += 1;
  }
  return `${n.toFixed(n >= 10 || i === 0 ? 0 : 1)} ${u[i]}`;
}

function statusPill(status: string) {
  if (status === "online" || status === "running")
    return "bg-emerald-500/15 text-emerald-300 ring-1 ring-emerald-500/30";
  if (status === "stopped" || status === "not_found")
    return "bg-zinc-500/15 text-zinc-400 ring-1 ring-zinc-500/25";
  if (status === "error") return "bg-rose-500/15 text-rose-300 ring-1 ring-rose-500/35";
  return "bg-violet-500/15 text-violet-200 ring-1 ring-violet-500/30";
}

export default function LiveControlApp() {
  const base = apiBase();
  const [lang, setLang] = useState<Lang>("zh");
  const [view, setView] = useState<ViewKey>("dashboard");
  const [mobileNav, setMobileNav] = useState(false);
  const [dash, setDash] = useState<HubDashboard | null>(null);
  const [dashErr, setDashErr] = useState<string | null>(null);
  const [loading, setLoading] = useState(true);
  const [busy, setBusy] = useState<string | null>(null);
  const [toast, setToast] = useState<string | null>(null);

  const [entries, setEntries] = useState<ProcessEntry[]>([]);
  const [currentProc, setCurrentProc] = useState("");
  const [urlConfig, setUrlConfig] = useState("");
  const [douyinUrl, setDouyinUrl] = useState("");
  const [apkPath, setApkPath] = useState("/sdcard/app.apk");
  const [androidSerial, setAndroidSerial] = useState("");
  const [hubCfgText, setHubCfgText] = useState<string | null>(null);

  const t = useCallback((zh: string, en: string) => tr(lang, zh, en), [lang]);

  const notify = useCallback((msg: string) => {
    setToast(msg);
    window.setTimeout(() => setToast(null), 2800);
  }, []);

  const fetchJson = useCallback(
    async <T,>(path: string, init?: RequestInit): Promise<T> => {
      const res = await fetch(`${base}${path}`, init);
      const data = (await res.json()) as T & { error?: string };
      if (!res.ok) throw new Error(data.error || `HTTP ${res.status}`);
      return data;
    },
    [base],
  );

  const refreshDashboard = useCallback(async () => {
    try {
      const d = await fetchJson<HubDashboard>("/hub/dashboard");
      setDash(d);
      setDashErr(null);
      const devs = d.android?.devices || [];
      if (devs.length && !androidSerial) setAndroidSerial(devs[0].serial);
    } catch (e) {
      setDashErr((e as Error).message);
    } finally {
      setLoading(false);
    }
  }, [androidSerial, fetchJson]);

  useEffect(() => {
    const s = window.localStorage.getItem("live-hub-lang");
    if (s === "zh" || s === "en") setLang(s);
  }, []);

  useEffect(() => {
    window.localStorage.setItem("live-hub-lang", lang);
  }, [lang]);

  useEffect(() => {
    void refreshDashboard();
    const id = window.setInterval(() => void refreshDashboard(), 10000);
    return () => clearInterval(id);
  }, [refreshDashboard]);

  useEffect(() => {
    void (async () => {
      try {
        const data = await fetchJson<{ entries?: ProcessEntry[] }>("/process_monitor");
        const list = data.entries || [];
        setEntries(list);
        if (!currentProc && list[0]) setCurrentProc(list[0].pm2);
      } catch {
        /* ignore */
      }
    })();
  }, [currentProc, fetchJson]);

  useEffect(() => {
    if (!currentProc || view !== "live") return;
    void (async () => {
      try {
        const data = await fetchJson<{ content?: string }>(
          `/get_url_config?process=${encodeURIComponent(currentProc)}`,
        );
        setUrlConfig(data.content || "");
      } catch {
        setUrlConfig("");
      }
    })();
  }, [currentProc, fetchJson, view]);

  useEffect(() => {
    void (async () => {
      try {
        const b = await fetchJson<{ streams?: { douyin_input_url?: string } }>("/hub/business/douyinyoutube");
        const u = b.streams?.douyin_input_url;
        if (u) setDouyinUrl(u);
      } catch {
        /* ignore */
      }
    })();
  }, [fetchJson]);

  useEffect(() => {
    if (view !== "settings") return;
    void (async () => {
      try {
        const cfg = await fetchJson<Record<string, unknown>>("/hub/config");
        setHubCfgText(JSON.stringify(cfg, null, 2));
      } catch {
        setHubCfgText("{}");
      }
    })();
  }, [fetchJson, view]);

  const ql = useMemo(() => {
    const raw = dash?.stack?.quick_links || {};
    const o: Record<string, string> = {};
    for (const [k, v] of Object.entries(raw)) {
      if (/^https?:\/\//i.test(v)) o[k] = normalizeBrowserReachableHttpUrl(v);
      else o[k] = v;
    }
    return o;
  }, [dash?.stack?.quick_links]);

  const scrcpyUrl = useMemo(
    () => (ql.ws_scrcpy ? normalizeBrowserReachableHttpUrl(ql.ws_scrcpy) : ""),
    [ql.ws_scrcpy],
  );

  const runService = async (service: string, action: "start" | "stop" | "restart") => {
    setBusy(`svc:${service}`);
    try {
      const data = await fetchJson<{ message?: string }>("/service_action", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ service, action }),
      });
      notify(data.message || "OK");
      await refreshDashboard();
    } catch (e) {
      notify((e as Error).message);
    } finally {
      setBusy(null);
    }
  };

  const runProcess = async (action: "start" | "stop" | "restart") => {
    if (!currentProc) return;
    setBusy(`proc:${action}`);
    try {
      const path = `/${action}`;
      const data = await fetchJson<{ output?: string; message?: string }>(path, {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ process: currentProc }),
      });
      notify(String(data.output || data.message || "OK"));
      await refreshDashboard();
    } catch (e) {
      notify((e as Error).message);
    } finally {
      setBusy(null);
    }
  };

  const saveUrlConfig = async () => {
    if (!currentProc) return;
    setBusy("save:url");
    try {
      const params = new URLSearchParams({ process: currentProc });
      await fetchJson(`/save_url_config?${params}`, {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ content: urlConfig }),
      });
      notify(t("URL 配置已保存", "URL config saved"));
    } catch (e) {
      notify((e as Error).message);
    } finally {
      setBusy(null);
    }
  };

  const saveBusinessMeta = async () => {
    setBusy("save:meta");
    try {
      await fetchJson("/hub/business/douyinyoutube", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ streams: { douyin_input_url: douyinUrl } }),
      });
      notify(t("业务元数据已同步", "Business metadata saved"));
    } catch (e) {
      notify((e as Error).message);
    } finally {
      setBusy(null);
    }
  };

  const androidAction = async (action: string, payload: Record<string, unknown> = {}) => {
    if (!androidSerial) {
      notify(t("请选择设备", "Pick a device"));
      return;
    }
    setBusy(`adb:${action}`);
    try {
      const data = await fetchJson<{ message?: string }>("/android/action", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ action, serial: androidSerial, payload }),
      });
      notify(data.message || "OK");
    } catch (e) {
      notify((e as Error).message);
    } finally {
      setBusy(null);
    }
  };

  const navItems: { id: ViewKey; icon: typeof Activity; labelZh: string; labelEn: string }[] = [
    { id: "dashboard", icon: Activity, labelZh: "总览", labelEn: "Dashboard" },
    { id: "services", icon: Server, labelZh: "服务", labelEn: "Services" },
    { id: "live", icon: Radio, labelZh: "无人直播", labelEn: "Live ops" },
    { id: "android", icon: Smartphone, labelZh: "安卓", labelEn: "Android" },
    { id: "network", icon: Network, labelZh: "网络", labelEn: "Network" },
    { id: "settings", icon: Settings, labelZh: "设置", labelEn: "Settings" },
  ];

  const onlineServices =
    dash?.services?.filter((s) => s.running && s.available).length ?? 0;
  const totalServices = dash?.services?.length ?? 0;

  return (
    <div className="lp-root min-h-screen bg-[#050508] text-zinc-100 selection:bg-violet-500/30">
      <div className="lp-noise pointer-events-none fixed inset-0 z-0 opacity-[0.22]" aria-hidden />
      <div className="lp-aurora pointer-events-none fixed -left-1/4 top-0 h-[42rem] w-[42rem] rounded-full bg-violet-600/20 blur-[120px]" aria-hidden />
      <div className="lp-aurora2 pointer-events-none fixed bottom-0 right-0 h-[36rem] w-[36rem] rounded-full bg-cyan-500/10 blur-[100px]" aria-hidden />

      {toast ? (
        <motion.div
          initial={{ opacity: 0, y: 16 }}
          animate={{ opacity: 1, y: 0 }}
          className="fixed bottom-6 left-1/2 z-[100] max-w-md -translate-x-1/2 rounded-2xl border border-white/10 bg-zinc-950/95 px-5 py-3 text-center text-sm text-zinc-100 shadow-2xl shadow-black/50 backdrop-blur-xl"
        >
          {toast}
        </motion.div>
      ) : null}

      <div className="relative z-10 flex min-h-screen">
        {/* Desktop sidebar */}
        <aside className="hidden w-64 shrink-0 flex-col border-r border-white/[0.06] bg-zinc-950/40 px-4 py-6 backdrop-blur-2xl lg:flex">
          <div className="flex items-center gap-2 px-2">
            <div className="flex h-9 w-9 items-center justify-center rounded-xl bg-gradient-to-br from-violet-500 to-cyan-400 shadow-lg shadow-violet-500/25">
              <Sparkles className="h-4 w-4 text-white" />
            </div>
            <div>
              <p className="text-[10px] font-semibold uppercase tracking-[0.2em] text-zinc-500">Live Hub</p>
              <p className="text-sm font-semibold text-white">{t("超级业务中心", "Control Center")}</p>
            </div>
          </div>
          <nav className="mt-10 flex flex-col gap-1">
            {navItems.map((item) => {
              const Icon = item.icon;
              const active = view === item.id;
              return (
                <button
                  key={item.id}
                  type="button"
                  onClick={() => setView(item.id)}
                  className={`flex items-center gap-3 rounded-xl px-3 py-2.5 text-left text-sm font-medium transition ${
                    active
                      ? "bg-white/[0.08] text-white shadow-inner shadow-white/5"
                      : "text-zinc-500 hover:bg-white/[0.04] hover:text-zinc-200"
                  }`}
                >
                  <Icon className={`h-4 w-4 ${active ? "text-violet-300" : "text-zinc-600"}`} />
                  {t(item.labelZh, item.labelEn)}
                  {active ? <ChevronRight className="ml-auto h-4 w-4 text-zinc-600" /> : null}
                </button>
              );
            })}
          </nav>
          <div className="mt-auto space-y-2 border-t border-white/[0.06] pt-6">
            <a
              href="/console"
              className="flex items-center justify-between rounded-xl border border-white/[0.08] bg-white/[0.03] px-3 py-2.5 text-xs text-zinc-400 transition hover:border-violet-500/30 hover:text-zinc-200"
            >
              {t("高级控制台", "Advanced console")}
              <ArrowUpRight className="h-3.5 w-3.5" />
            </a>
            <div className="flex gap-1 rounded-lg bg-black/30 p-1">
              <button
                type="button"
                className={`flex-1 rounded-md py-1.5 text-xs font-medium ${lang === "zh" ? "bg-white/10 text-white" : "text-zinc-600"}`}
                onClick={() => setLang("zh")}
              >
                中文
              </button>
              <button
                type="button"
                className={`flex-1 rounded-md py-1.5 text-xs font-medium ${lang === "en" ? "bg-white/10 text-white" : "text-zinc-600"}`}
                onClick={() => setLang("en")}
              >
                EN
              </button>
            </div>
          </div>
        </aside>

        {/* Main */}
        <div className="flex min-w-0 flex-1 flex-col">
          <header className="sticky top-0 z-20 flex items-center justify-between gap-3 border-b border-white/[0.06] bg-zinc-950/70 px-4 py-3 backdrop-blur-xl lg:px-8">
            <div className="flex items-center gap-3">
              <button
                type="button"
                className="rounded-xl border border-white/10 bg-white/5 p-2 lg:hidden"
                onClick={() => setMobileNav(true)}
                aria-label="Menu"
              >
                <Menu className="h-5 w-5" />
              </button>
              <div>
                <h1 className="text-lg font-semibold tracking-tight text-white lg:text-xl">
                  {t(
                    navItems.find((n) => n.id === view)?.labelZh || "",
                    navItems.find((n) => n.id === view)?.labelEn || "",
                  )}
                </h1>
                <p className="text-xs text-zinc-500">
                  {dash?.stack?.mdns_host || "live.local"} · {t("暗黑", "Dark")} · {t("自动刷新", "Auto refresh")}
                </p>
              </div>
            </div>
            <button
              type="button"
              disabled={!!busy}
              onClick={() => void refreshDashboard()}
              className="flex items-center gap-2 rounded-xl border border-white/10 bg-white/[0.04] px-3 py-2 text-xs font-medium text-zinc-300 transition hover:bg-white/[0.07] disabled:opacity-40"
            >
              {busy ? <Loader2 className="h-3.5 w-3.5 animate-spin" /> : <RefreshCw className="h-3.5 w-3.5" />}
              {t("刷新", "Refresh")}
            </button>
          </header>

          <main className="flex-1 px-4 py-6 lg:px-8 lg:py-8">
            <AnimatePresence mode="wait">
              <motion.div
                key={view}
                initial={{ opacity: 0, y: 10 }}
                animate={{ opacity: 1, y: 0 }}
                exit={{ opacity: 0, y: -6 }}
                transition={{ duration: 0.28, ease: [0.22, 1, 0.36, 1] }}
              >
                {view === "dashboard" ? (
                  <div className="space-y-6">
                    {dashErr ? (
                      <div className="rounded-2xl border border-rose-500/25 bg-rose-950/20 p-4 text-sm text-rose-200">
                        {t("无法加载仪表盘：", "Dashboard error: ")}
                        {dashErr}
                      </div>
                    ) : null}
                    <div className="grid gap-4 sm:grid-cols-2 xl:grid-cols-4">
                      {[
                        {
                          icon: Cpu,
                          label: t("CPU 1m", "CPU 1m"),
                          value: dash?.snapshot?.cpu_load?.["1m"]?.toFixed(2) ?? "—",
                          sub: t("负载均值", "Load avg"),
                        },
                        {
                          icon: Activity,
                          label: t("内存", "Memory"),
                          value: formatBytes(dash?.snapshot?.memory?.available),
                          sub: `/ ${formatBytes(dash?.snapshot?.memory?.total)}`,
                        },
                        {
                          icon: HardDrive,
                          label: t("磁盘可用", "Disk free"),
                          value: formatBytes(dash?.snapshot?.disk?.free),
                          sub: `/ ${formatBytes(dash?.snapshot?.disk?.total)}`,
                        },
                        {
                          icon: Server,
                          label: t("服务在线", "Services up"),
                          value: `${onlineServices}/${totalServices || "—"}`,
                          sub: t("基础服务层", "Infra layer"),
                        },
                      ].map((card, i) => (
                        <motion.div
                          key={card.label}
                          initial={{ opacity: 0, y: 12 }}
                          animate={{ opacity: 1, y: 0 }}
                          transition={{ delay: i * 0.05, duration: 0.35, ease: [0.22, 1, 0.36, 1] }}
                          whileHover={{ y: -3 }}
                          className="group relative overflow-hidden rounded-2xl border border-white/[0.07] bg-gradient-to-br from-white/[0.06] to-transparent p-5 shadow-xl shadow-black/20"
                        >
                          <div className="absolute -right-6 -top-6 h-24 w-24 rounded-full bg-violet-500/10 blur-2xl transition group-hover:bg-violet-500/20" />
                          <card.icon className="h-5 w-5 text-violet-300/90" />
                          <p className="mt-4 text-[11px] font-semibold uppercase tracking-wider text-zinc-500">{card.label}</p>
                          <p className="mt-1 font-mono text-2xl font-semibold text-white">{loading ? "…" : card.value}</p>
                          <p className="mt-1 text-xs text-zinc-500">{card.sub}</p>
                        </motion.div>
                      ))}
                    </div>

                    <div className="grid gap-6 xl:grid-cols-3">
                      <motion.div
                        initial={{ opacity: 0 }}
                        animate={{ opacity: 1 }}
                        transition={{ delay: 0.15 }}
                        className="xl:col-span-2 rounded-2xl border border-white/[0.07] bg-zinc-950/30 p-2 backdrop-blur-xl"
                      >
                        <OverviewCharts snapshot={dash?.snapshot ?? null} theme="dark" tr={t} />
                      </motion.div>
                      <div className="space-y-4">
                        <div className="rounded-2xl border border-white/[0.07] bg-zinc-950/40 p-5">
                          <h3 className="text-sm font-semibold text-white">{t("安卓", "Android")}</h3>
                          <p className="mt-2 text-xs text-zinc-500">
                            {dash?.android?.adb_available
                              ? t(`已连接 ${dash.android?.devices?.length ?? 0} 台设备`, `${dash?.android?.devices?.length ?? 0} device(s)`)
                              : t("ADB 不可用", "ADB unavailable")}
                          </p>
                          <a
                            href="/android"
                            className="mt-4 inline-flex items-center gap-2 text-xs font-medium text-violet-300 hover:text-violet-200"
                          >
                            {t("打开画面工作室", "Open screen studio")}
                            <ArrowUpRight className="h-3.5 w-3.5" />
                          </a>
                        </div>
                        <div className="rounded-2xl border border-white/[0.07] bg-zinc-950/40 p-5">
                          <h3 className="text-sm font-semibold text-white">{t("直播进程", "Live processes")}</h3>
                          <ul className="mt-3 max-h-40 space-y-2 overflow-y-auto text-xs">
                            {(dash?.live?.processes || []).slice(0, 8).map((p) => (
                              <li key={p.pm2} className="flex justify-between gap-2 rounded-lg bg-black/30 px-3 py-2">
                                <span className="truncate text-zinc-300">{p.label || p.pm2}</span>
                                <span className={`shrink-0 rounded-md px-2 py-0.5 text-[10px] font-medium ${statusPill(p.process_status || "")}`}>
                                  {p.process_status || "—"}
                                </span>
                              </li>
                            ))}
                            {!dash?.live?.processes?.length ? (
                              <li className="text-zinc-600">{t("暂无数据", "No data")}</li>
                            ) : null}
                          </ul>
                          <button
                            type="button"
                            onClick={() => setView("live")}
                            className="mt-4 w-full rounded-xl border border-violet-500/30 bg-violet-500/10 py-2 text-xs font-semibold text-violet-200"
                          >
                            {t("去控制台", "Go to live ops")}
                          </button>
                        </div>
                      </div>
                    </div>
                  </div>
                ) : null}

                {view === "services" ? (
                  <div className="grid gap-4 md:grid-cols-2 xl:grid-cols-3">
                    {(dash?.services || []).map((s, i) => (
                      <motion.div
                        key={s.service_id}
                        initial={{ opacity: 0, y: 10 }}
                        animate={{ opacity: 1, y: 0 }}
                        transition={{ delay: i * 0.04 }}
                        whileHover={{ y: -2 }}
                        className="rounded-2xl border border-white/[0.07] bg-gradient-to-b from-white/[0.05] to-transparent p-5"
                      >
                        <div className="flex items-start justify-between gap-2">
                          <div>
                            <h3 className="font-semibold text-white">{s.label}</h3>
                            <p className="mt-1 text-xs text-zinc-500 line-clamp-2">{s.description}</p>
                          </div>
                          <span className={`shrink-0 rounded-full px-2.5 py-1 text-[10px] font-semibold ${statusPill(s.running ? "online" : s.status)}`}>
                            {s.running ? t("运行中", "Running") : s.status}
                          </span>
                        </div>
                        <div className="mt-4 flex flex-wrap gap-2">
                          <button
                            type="button"
                            disabled={!!busy || !s.available}
                            onClick={() => void runService(s.service_id, "start")}
                            className="rounded-lg bg-emerald-500/20 px-3 py-1.5 text-xs font-medium text-emerald-200 ring-1 ring-emerald-500/30 disabled:opacity-30"
                          >
                            Start
                          </button>
                          <button
                            type="button"
                            disabled={!!busy || !s.available}
                            onClick={() => void runService(s.service_id, "restart")}
                            className="rounded-lg bg-amber-500/15 px-3 py-1.5 text-xs font-medium text-amber-200 ring-1 ring-amber-500/25 disabled:opacity-30"
                          >
                            Restart
                          </button>
                          <button
                            type="button"
                            disabled={!!busy || !s.available}
                            onClick={() => void runService(s.service_id, "stop")}
                            className="rounded-lg bg-rose-500/15 px-3 py-1.5 text-xs font-medium text-rose-200 ring-1 ring-rose-500/25 disabled:opacity-30"
                          >
                            Stop
                          </button>
                        </div>
                      </motion.div>
                    ))}
                    {!dash?.services?.length ? (
                      <p className="text-sm text-zinc-500">{t("暂无服务数据", "No services")}</p>
                    ) : null}
                  </div>
                ) : null}

                {view === "live" ? (
                  <div className="mx-auto max-w-4xl space-y-6">
                    <div className="rounded-2xl border border-white/[0.08] bg-zinc-950/50 p-6">
                      <label className="text-xs font-semibold uppercase tracking-wider text-zinc-500">{t("选择进程", "Process")}</label>
                      <select
                        className="mt-2 w-full rounded-xl border border-white/10 bg-black/40 px-4 py-3 text-sm text-white"
                        value={currentProc}
                        onChange={(e) => setCurrentProc(e.target.value)}
                      >
                        {entries.map((e) => (
                          <option key={e.pm2} value={e.pm2}>
                            {e.label} ({e.pm2})
                          </option>
                        ))}
                      </select>
                      <div className="mt-4 flex flex-wrap gap-2">
                        <button
                          type="button"
                          disabled={!!busy}
                          onClick={() => void runProcess("start")}
                          className="rounded-xl bg-emerald-500/20 px-4 py-2 text-sm font-medium text-emerald-200 ring-1 ring-emerald-500/30"
                        >
                          {t("启动", "Start")}
                        </button>
                        <button
                          type="button"
                          disabled={!!busy}
                          onClick={() => void runProcess("restart")}
                          className="rounded-xl bg-amber-500/15 px-4 py-2 text-sm font-medium text-amber-200 ring-1 ring-amber-500/25"
                        >
                          {t("重启", "Restart")}
                        </button>
                        <button
                          type="button"
                          disabled={!!busy}
                          onClick={() => void runProcess("stop")}
                          className="rounded-xl bg-rose-500/15 px-4 py-2 text-sm font-medium text-rose-200 ring-1 ring-rose-500/25"
                        >
                          {t("停止", "Stop")}
                        </button>
                      </div>
                    </div>
                    <div className="rounded-2xl border border-white/[0.08] bg-zinc-950/50 p-6">
                      <h3 className="text-sm font-semibold text-white">{t("抖音 / TikTok 拉流地址", "Douyin / TikTok URL")}</h3>
                      <p className="mt-1 text-xs text-zinc-500">
                        {t("写入业务元数据（config center），推流细节仍以 URL_config.ini / PM2 为准。", "Stored in config center; streaming still uses URL_config.ini.")}
                      </p>
                      <input
                        className="mt-4 w-full rounded-xl border border-white/10 bg-black/40 px-4 py-3 text-sm"
                        value={douyinUrl}
                        onChange={(e) => setDouyinUrl(e.target.value)}
                        placeholder="https://live.douyin.com/..."
                      />
                      <button
                        type="button"
                        disabled={!!busy}
                        onClick={() => void saveBusinessMeta()}
                        className="mt-3 rounded-xl bg-violet-500/25 px-4 py-2 text-sm font-medium text-violet-100 ring-1 ring-violet-500/35"
                      >
                        {t("保存到配置中心", "Save to config hub")}
                      </button>
                    </div>
                    <div className="rounded-2xl border border-white/[0.08] bg-zinc-950/50 p-6">
                      <h3 className="text-sm font-semibold text-white">URL_config.ini</h3>
                      <textarea
                        className="mt-4 h-48 w-full resize-y rounded-xl border border-white/10 bg-black/50 p-4 font-mono text-xs text-zinc-300"
                        value={urlConfig}
                        onChange={(e) => setUrlConfig(e.target.value)}
                        spellCheck={false}
                      />
                      <button
                        type="button"
                        disabled={!!busy}
                        onClick={() => void saveUrlConfig()}
                        className="mt-3 rounded-xl bg-cyan-500/20 px-4 py-2 text-sm font-medium text-cyan-100 ring-1 ring-cyan-500/30"
                      >
                        {t("保存 URL 配置", "Save URL config")}
                      </button>
                    </div>
                    <p className="text-center text-xs text-zinc-600">
                      {t(
                        "FFmpeg 自动重启：请在 PM2 ecosystem 或 systemd 中配置 restart 策略；business.json 中 ffmpeg.auto_restart 供运维工具读取。",
                        "For FFmpeg auto-restart, configure PM2 or systemd; business.json flags are for automation hooks.",
                      )}
                    </p>
                  </div>
                ) : null}

                {view === "android" ? (
                  <div className="mx-auto max-w-5xl space-y-6">
                    <div className="rounded-2xl border border-white/[0.08] bg-zinc-950/50 p-6">
                      <h3 className="text-sm font-semibold text-white">{t("设备", "Devices")}</h3>
                      <div className="mt-4 flex flex-wrap gap-2">
                        {(dash?.android?.devices || []).map((d) => (
                          <button
                            key={d.serial}
                            type="button"
                            onClick={() => setAndroidSerial(d.serial)}
                            className={`rounded-xl border px-4 py-2 text-left text-xs ${
                              androidSerial === d.serial
                                ? "border-violet-500/50 bg-violet-500/10 text-white"
                                : "border-white/10 bg-black/30 text-zinc-400"
                            }`}
                          >
                            <div className="font-medium text-zinc-200">{d.model || d.serial}</div>
                            <div className="text-[10px] text-zinc-600">{d.serial}</div>
                          </button>
                        ))}
                      </div>
                    </div>
                    <div className="flex flex-wrap gap-2">
                      <button
                        type="button"
                        disabled={!!busy}
                        onClick={() =>
                          void androidAction("launch_package", { package: "com.zhiliaoapp.musically" })
                        }
                        className="rounded-xl bg-gradient-to-r from-pink-500/30 to-violet-500/30 px-4 py-2 text-sm font-medium ring-1 ring-white/10"
                      >
                        TikTok
                      </button>
                      <button
                        type="button"
                        disabled={!!busy}
                        onClick={() => void androidAction("wake")}
                        className="rounded-xl border border-white/10 bg-white/5 px-4 py-2 text-sm"
                      >
                        Wake
                      </button>
                    </div>
                    <div className="rounded-2xl border border-white/[0.08] bg-zinc-950/50 p-6">
                      <h3 className="text-sm font-semibold text-white">{t("安装 APK（设备上的路径）", "Install APK (path on device)")}</h3>
                      <p className="mt-1 text-xs text-zinc-500">
                        {t("请先用 adb push 将 apk 推到 /sdcard/ 等路径。", "Push APK to /sdcard/ via adb first.")}
                      </p>
                      <input
                        className="mt-4 w-full rounded-xl border border-white/10 bg-black/40 px-4 py-3 text-sm"
                        value={apkPath}
                        onChange={(e) => setApkPath(e.target.value)}
                      />
                      <button
                        type="button"
                        disabled={!!busy}
                        onClick={() => void androidAction("install_apk", { path: apkPath })}
                        className="mt-3 rounded-xl bg-emerald-500/20 px-4 py-2 text-sm font-medium text-emerald-100 ring-1 ring-emerald-500/30"
                      >
                        pm install
                      </button>
                    </div>
                    {scrcpyUrl ? (
                      <div className="overflow-hidden rounded-2xl border border-white/[0.08] bg-black/40">
                        <div className="flex items-center justify-between border-b border-white/5 px-4 py-3">
                          <span className="text-xs font-medium text-zinc-400">ws-scrcpy</span>
                          <a href={scrcpyUrl} target="_blank" rel="noreferrer" className="text-xs text-violet-300">
                            {t("新窗口打开", "Open tab")}
                          </a>
                        </div>
                        <iframe title="scrcpy" src={scrcpyUrl} className="h-[min(56vh,420px)] w-full bg-black" />
                      </div>
                    ) : null}
                  </div>
                ) : null}

                {view === "network" ? (
                  <div className="mx-auto max-w-4xl space-y-6">
                    <div className="rounded-2xl border border-cyan-500/20 bg-gradient-to-br from-cyan-500/10 to-transparent p-6">
                      <h3 className="flex items-center gap-2 text-sm font-semibold text-white">
                        <Wifi className="h-4 w-4 text-cyan-300" />
                        {t("逻辑拓扑", "Topology")}
                      </h3>
                      <div className="mt-6 flex flex-col items-center gap-4 sm:flex-row sm:justify-center">
                        {[
                          { t: t("互联网", "Internet"), c: "from-cyan-400 to-blue-500" },
                          { t: "ShellCrash", c: "from-violet-500 to-fuchsia-500" },
                          { t: t("本机服务", "Host"), c: "from-emerald-400 to-teal-500" },
                          { t: "AOSP", c: "from-amber-400 to-orange-500" },
                        ].map((n, i) => (
                          <div key={n.t} className="flex items-center gap-4">
                            <div
                              className={`flex h-16 w-28 items-center justify-center rounded-2xl bg-gradient-to-br ${n.c} text-xs font-bold text-white shadow-lg`}
                            >
                              {n.t}
                            </div>
                            {i < 3 ? <ChevronRight className="hidden h-5 w-5 text-zinc-600 sm:block" /> : null}
                          </div>
                        ))}
                      </div>
                      <p className="mt-6 text-center text-xs text-zinc-500">
                        {t("安卓可走透明代理或 Wi‑Fi 代理，由 ShellCrash 与网络脚本实现。", "Android egress via transparent or Wi‑Fi proxy.")}
                      </p>
                    </div>
                    <div className="grid gap-3 sm:grid-cols-2">
                      <a
                        href="/shellcrash"
                        className="flex items-center justify-between rounded-xl border border-white/10 bg-white/[0.03] px-4 py-3 text-sm hover:border-violet-500/30"
                      >
                        ShellCrash
                        <ArrowUpRight className="h-4 w-4 text-zinc-600" />
                      </a>
                      {[
                        ["Netdata", ql.netdata],
                        ["SRS", ql.srs_http],
                        ["Neko", ql.neko_browser],
                        ["WebTTY", ql.webtty],
                      ].map(([name, href]) =>
                        href ? (
                          <a
                            key={name}
                            href={href}
                            target="_blank"
                            rel="noreferrer"
                            className="flex items-center justify-between rounded-xl border border-white/10 bg-white/[0.03] px-4 py-3 text-sm hover:border-violet-500/30"
                          >
                            {name}
                            <ArrowUpRight className="h-4 w-4 text-zinc-600" />
                          </a>
                        ) : null,
                      )}
                    </div>
                  </div>
                ) : null}

                {view === "settings" ? (
                  <div className="mx-auto max-w-3xl space-y-4">
                    <p className="text-sm text-zinc-400">
                      {t(
                        "配置中心路径：/opt/live/config（JSON）。以下为只读快照。",
                        "Config root: /opt/live/config (JSON). Read-only snapshot.",
                      )}
                    </p>
                    <pre className="max-h-[480px] overflow-auto rounded-2xl border border-white/10 bg-black/50 p-4 font-mono text-[11px] leading-relaxed text-zinc-400">
                      {hubCfgText || t("加载中…", "Loading…")}
                    </pre>
                    <a
                      href="/console?tab=config"
                      className="inline-flex items-center gap-2 text-sm text-violet-300"
                    >
                      {t("托管文件编辑器", "Managed file editor")}
                      <ArrowUpRight className="h-4 w-4" />
                    </a>
                  </div>
                ) : null}
              </motion.div>
            </AnimatePresence>
          </main>
        </div>
      </div>

      {/* Mobile drawer */}
      <AnimatePresence>
        {mobileNav ? (
          <motion.div
            initial={{ opacity: 0 }}
            animate={{ opacity: 1 }}
            exit={{ opacity: 0 }}
            className="fixed inset-0 z-50 bg-black/60 backdrop-blur-sm lg:hidden"
            onClick={() => setMobileNav(false)}
          >
            <motion.aside
              initial={{ x: -280 }}
              animate={{ x: 0 }}
              exit={{ x: -280 }}
              transition={{ type: "spring", damping: 28, stiffness: 320 }}
              className="absolute left-0 top-0 h-full w-[min(88vw,280px)] border-r border-white/10 bg-zinc-950 p-4 shadow-2xl"
              onClick={(e) => e.stopPropagation()}
            >
              <div className="flex justify-end">
                <button type="button" onClick={() => setMobileNav(false)} className="rounded-lg p-2">
                  <X className="h-5 w-5" />
                </button>
              </div>
              <nav className="mt-4 flex flex-col gap-1">
                {navItems.map((item) => {
                  const Icon = item.icon;
                  return (
                    <button
                      key={item.id}
                      type="button"
                      onClick={() => {
                        setView(item.id);
                        setMobileNav(false);
                      }}
                      className="flex items-center gap-3 rounded-xl px-3 py-3 text-left text-sm text-zinc-300"
                    >
                      <Icon className="h-4 w-4 text-violet-400" />
                      {t(item.labelZh, item.labelEn)}
                    </button>
                  );
                })}
              </nav>
            </motion.aside>
          </motion.div>
        ) : null}
      </AnimatePresence>
    </div>
  );
}