import { useEffect, type ReactNode } from "react";
import { SettingsRegular, DeleteRegular, SaveRegular } from "@fluentui/react-icons";
import { Button, Input, Select } from "../ui";
import { isQmiControl } from "./shared";
import type { DeviceConfig } from "../../types";
import type { DeviceDetail } from "./types";
import { useI18n } from "../../lib/i18n";
import { DEVICE_TYPES, deviceTypeImage } from "../../lib/deviceTypes";

export interface DeviceConfigTabProps {
  editConfig: DeviceConfig | null;
  deviceStatus: DeviceDetail | null;
  saving: boolean;
  deleting: boolean;
  onSave: () => void;
  onDelete: () => void;
  onEditConfig: (next: DeviceConfig) => void;
}

function Field({ label, children }: { label: ReactNode; children: ReactNode }) {
  return (
    <div className="space-y-1">
      <label className="text-xs font-bold uppercase tracking-wider text-gray-500">{label}</label>
      {children}
    </div>
  );
}

export function DeviceConfigTab({ editConfig, deviceStatus, saving, deleting, onSave, onDelete, onEditConfig }: DeviceConfigTabProps) {
  const { t } = useI18n();
  const controlDevice = deviceStatus?.controlDevice || editConfig?.controlDevice;
  const interfaceName = deviceStatus?.interface || editConfig?.interface;
  const atPort = deviceStatus?.atPort || editConfig?.atPort;
  const usbPath = deviceStatus?.usbPath || editConfig?.usbPath;
  const isQmi = isQmiControl(controlDevice);
  const isMbim = String(editConfig?.deviceBackend || "").toLowerCase() === "mbim";
	const isReader = editConfig?.deviceType === "usb_sim_reader";

  useEffect(() => {
    if (isQmi && editConfig && editConfig.deviceBackend !== "qmi") onEditConfig({ ...editConfig, deviceBackend: "qmi" });
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [isQmi]);

  const backendOptions = isReader ? [{ value: "pcsc", label: "PC/SC" }] : [
    ...(isMbim
      ? []
      : [
          { value: "at", label: "AT", disabled: isQmi },
          { value: "qmi", label: "QMI", disabled: !controlDevice && editConfig?.deviceBackend !== "qmi" },
        ]),
    ...(isMbim ? [{ value: "mbim", label: "MBIM" }] : []),
  ];

  return (
    <div>
      <div className="mb-4 flex flex-col gap-4 sm:flex-row sm:items-center sm:justify-between">
        <div className="flex items-center gap-3">
          <div className="flex h-10 w-10 items-center justify-center rounded-xl bg-indigo-50 text-indigo-600 dark:bg-indigo-500/10 dark:text-indigo-400">
            <SettingsRegular className="text-[22px]" />
          </div>
          <div>
            <div className="text-lg font-bold text-gray-900 dark:text-white">{t("设备配置")}</div>
            <div className="text-xs text-gray-500 dark:text-gray-400">{t("配置存储在数据库中，部分字段可能需要重启生效")}</div>
          </div>
        </div>
        <div className="flex items-center gap-2">
          <Button variant="danger" loading={deleting} onClick={onDelete} className="!border-0" icon={<DeleteRegular />}>
            {t("删除设备")}
          </Button>
          <Button variant="primary" loading={saving} onClick={onSave} className="!border-0" icon={<SaveRegular />}>
            {t("保存配置")}
          </Button>
        </div>
      </div>
      {editConfig ? (
        <div className="grid grid-cols-1 gap-4 lg:grid-cols-2">
          <Field label="ID">
            <Input value={editConfig.id} disabled />
          </Field>
          <Field label={t("名称")}>
            <Input value={editConfig.name} onChange={(e) => onEditConfig({ ...editConfig, name: e.target.value })} placeholder={t("显示名称")} />
          </Field>
          <Field label={t("设备类型")}>
            <div className="flex items-center gap-3">
              <div className="flex h-12 w-12 shrink-0 items-center justify-center rounded-xl border border-gray-200 bg-white p-1.5 dark:border-white/10 dark:bg-white/5">
                <img src={deviceTypeImage(editConfig.deviceType)} alt="" className="h-full w-full object-contain" />
              </div>
              <Select
                value={editConfig.deviceType}
                onChange={(v) => onEditConfig({ ...editConfig, deviceType: v as DeviceConfig["deviceType"] })}
                options={DEVICE_TYPES.map((item) => ({ value: item.value, label: t(item.label) }))}
              />
            </div>
          </Field>
          <Field label={t("IMEI 绑定")}>
            <Input value={editConfig.modemImei || ""} disabled placeholder={t("自动识别（添加时绑定）")} />
          </Field>
          <Field label={t("设备路径")}>
            <Input value={usbPath || ""} disabled placeholder={t("由系统自动探测")} />
          </Field>
          <Field label={t("网卡接口")}>
            <Input value={interfaceName || ""} disabled placeholder={t("由系统自动探测")} />
          </Field>
          <Field label={t("AT 端口")}>
            <Input value={atPort || ""} disabled placeholder={t("由系统自动探测")} />
          </Field>
          <Field label={t("控制设备")}>
            <Input value={controlDevice || ""} disabled placeholder={t("由系统自动探测")} />
          </Field>
		  {isReader ? <Field label="SIM PIN">
			<Input type="password" value={editConfig.simPin || ""} onChange={(e) => onEditConfig({ ...editConfig, simPin: e.target.value })} maxLength={8} inputMode="numeric" placeholder={t("留空表示不修改；仅在 SIM 启用 PIN 时填写")} />
		  </Field> : null}
          <div className="ui-panel-muted space-y-2 p-3">
            <div className="flex items-center justify-between">
              <div>
                <div className="text-sm font-bold text-gray-800 dark:text-gray-100">{t("设备运行模式")}</div>
                <div className="text-xs text-gray-500 dark:text-gray-400">
                  {isQmi
                    ? t("QMI 负责驻网状态与数据会话；AT 负责 SIM/eSIM、射频、短信、通话和终端指令")
                    : isMbim
                      ? t("MBIM 负责数据会话；AT 负责 SIM/eSIM、射频、短信、通话和终端指令")
                      : t("AT 模式通过串口管理驻网与 PDP 数据会话")}
                </div>
              </div>
              <Select
                value={editConfig.deviceBackend}
                onChange={(v) => onEditConfig({ ...editConfig, deviceBackend: v as DeviceConfig["deviceBackend"] })}
                className="w-[120px]"
                placeholder="AT"
				disabled={isQmi || isMbim || isReader}
                options={backendOptions}
              />
            </div>
          </div>
        </div>
      ) : null}
    </div>
  );
}
