import { useState, useEffect } from 'react';
import { Link } from 'react-router-dom';
import { Settings as SettingsIcon, Save, Truck, ShieldAlert, Percent, AlertCircle, CreditCard, Share2, MessageSquare } from 'lucide-react';
import { toast } from 'react-hot-toast';
import api from '../services/api';
import Spinner from '../components/ui/Spinner';

export default function Settings() {
  const [settings, setSettings] = useState({
    SHIPPING_FEE: '',
    MIN_ORDER_AMOUNT: '',
    B2B_DISCOUNT_PERCENT: '',
    MAINTENANCE_MODE: 'false',
    CATALOG_ONLY_MODE: 'false',
    CATALOG_SHOW_PRICES: 'true',
    CATALOG_ALLOW_CART: 'false',
    CATALOG_ALLOW_CHECKOUT: 'false',
    CATALOG_PREORDER_BTN: 'false',
    CHARITY_ROUND_STEP: '10000',
    PAY_GATEWAY_CARD_ENABLE: 'true',
    PAY_GATEWAY_WALLET_ENABLE: 'true',
    PAY_GATEWAY_ONLINE_ENABLE: 'true',
    PAY_GATEWAY_COD_ENABLE: 'false',
    ZIBAL_MERCHANT: 'zibal',
    ZIBAL_SANDBOX: 'true',
    FRONTEND_URL: 'https://canina.ir',
    CONTACT_PHONE: '۰۲۱-۸۸۸۸ ۴۴۴۴',
    CONTACT_EMAIL: 'info@canina-iran.com',
    SOCIAL_WHATSAPP: '09120000000',
    SOCIAL_INSTAGRAM: 'https://instagram.com/canina_iran',
    SOCIAL_TELEGRAM: 'https://t.me/canina_iran',
    CONTACT_ADDRESS: 'تهران، جردن، خیابان سعیدی، ساختمان کانینا، طبقه ۵، واحد ۱۹',
    BRAND_LOGO_URL: '/logo.png',
    ENAMAD_CODE: '',
    THEME_PRIMARY_COLOR: '#7c3aed',
    BRAND_TYPOGRAPHY: 'vazirmatn',
  });
  const [isLoading, setIsLoading] = useState(true);
  const [isSaving, setIsSaving] = useState(false);

  useEffect(() => {
    let isSubscribed = true;
    api.get('/admin/settings').then(response => {
      if (!isSubscribed) return;
      if (response.data?.success) {
        setSettings({
          SHIPPING_FEE: response.data.data.SHIPPING_FEE || '0',
          MIN_ORDER_AMOUNT: response.data.data.MIN_ORDER_AMOUNT || '0',
          B2B_DISCOUNT_PERCENT: response.data.data.B2B_DISCOUNT_PERCENT || '0',
          MAINTENANCE_MODE: response.data.data.MAINTENANCE_MODE || 'false',
          CATALOG_ONLY_MODE: response.data.data.CATALOG_ONLY_MODE || 'false',
          CATALOG_SHOW_PRICES: response.data.data.CATALOG_SHOW_PRICES || 'true',
          CATALOG_ALLOW_CART: response.data.data.CATALOG_ALLOW_CART || 'false',
          CATALOG_ALLOW_CHECKOUT: response.data.data.CATALOG_ALLOW_CHECKOUT || 'false',
          CATALOG_PREORDER_BTN: response.data.data.CATALOG_PREORDER_BTN || 'false',
          CHARITY_ROUND_STEP: response.data.data.CHARITY_ROUND_STEP || '10000',
          PAY_GATEWAY_CARD_ENABLE: response.data.data.PAY_GATEWAY_CARD_ENABLE || 'true',
          PAY_GATEWAY_WALLET_ENABLE: response.data.data.PAY_GATEWAY_WALLET_ENABLE || 'true',
          PAY_GATEWAY_ONLINE_ENABLE: response.data.data.PAY_GATEWAY_ONLINE_ENABLE || 'true',
          PAY_GATEWAY_COD_ENABLE: response.data.data.PAY_GATEWAY_COD_ENABLE || 'false',
          ZIBAL_MERCHANT: response.data.data.ZIBAL_MERCHANT || 'zibal',
          ZIBAL_SANDBOX: response.data.data.ZIBAL_SANDBOX || 'true',
          FRONTEND_URL: response.data.data.FRONTEND_URL || 'https://canina.ir',
          CONTACT_PHONE: response.data.data.CONTACT_PHONE || '۰۲۱-۸۸۸۸ ۴۴۴۴',
          CONTACT_EMAIL: response.data.data.CONTACT_EMAIL || 'info@canina-iran.com',
          SOCIAL_WHATSAPP: response.data.data.SOCIAL_WHATSAPP || '09120000000',
          SOCIAL_INSTAGRAM: response.data.data.SOCIAL_INSTAGRAM || 'https://instagram.com/canina_iran',
          SOCIAL_TELEGRAM: response.data.data.SOCIAL_TELEGRAM || 'https://t.me/canina_iran',
          CONTACT_ADDRESS: response.data.data.CONTACT_ADDRESS || 'تهران، جردن، خیابان سعیدی، ساختمان کانینا، طبقه ۵، واحد ۱۹',
          BRAND_LOGO_URL: response.data.data.BRAND_LOGO_URL || '/logo.png',
          ENAMAD_CODE: response.data.data.ENAMAD_CODE || '',
          THEME_PRIMARY_COLOR: response.data.data.THEME_PRIMARY_COLOR || '#7c3aed',
          BRAND_TYPOGRAPHY: response.data.data.BRAND_TYPOGRAPHY || 'vazirmatn',
        });
      }
    }).catch(err => {
      console.error('Failed to fetch settings', err);
    }).finally(() => {
      if (isSubscribed) setIsLoading(false);
    });
    return () => {
      isSubscribed = false;
    };
  }, []);

  const handleSave = async (e: React.FormEvent) => {
    e.preventDefault();
    try {
      setIsSaving(true);
      await api.put('/admin/settings', settings);
      toast.success('تنظیمات با موفقیت بروزرسانی شد.');
    } catch (err) {
      console.error('Failed to update settings', err);
      toast.error('خطا در بروزرسانی تنظیمات');
    } finally {
      setIsSaving(false);
    }
  };

  return (
    <div className="space-y-6">
      <div className="flex flex-col sm:flex-row sm:items-center justify-between gap-4">
        <div>
          <h2 className="text-2xl font-black text-gray-900 flex items-center gap-2">
            <SettingsIcon className="w-6 h-6 text-purple-600" />
            تنظیمات فروشگاه
          </h2>
          <p className="text-gray-500 font-medium mt-1">مدیریت پارامترهای اصلی و سیستمی کانینا</p>
        </div>
        <div className="flex items-center gap-2 flex-wrap">
          <Link
            to="/settings/sms"
            className="bg-purple-50 text-purple-700 hover:bg-purple-100 border border-purple-200 text-xs font-bold px-4 py-2.5 rounded-xl transition-all flex items-center gap-2"
          >
            <MessageSquare className="w-4 h-4 text-purple-600" />
            تنظیمات درگاه پیامک (MeliPayamak)
          </Link>
        </div>
      </div>

      {isLoading ? (
        <div className="flex justify-center p-12"><Spinner size="lg" className="text-purple-600" /></div>
      ) : (
        <form onSubmit={handleSave} className="grid grid-cols-1 lg:grid-cols-2 gap-6">

          {/* Financial Settings */}
          <div className="bg-white p-6 rounded-2xl shadow-sm border border-gray-200 space-y-6">
            <h3 className="text-lg font-bold text-gray-900 border-b border-gray-100 pb-4 flex items-center gap-2">
              <Truck className="w-5 h-5 text-blue-500" />
              تنظیمات مالی و ارسال
            </h3>

            <div className="space-y-5">
              <div>
                <label className="block text-sm font-bold text-gray-700 mb-2">هزینه ثابت ارسال (تومان)</label>
                <input
                  type="number"
                  value={settings.SHIPPING_FEE}
                  onChange={(e) => setSettings({ ...settings, SHIPPING_FEE: e.target.value })}
                  className="w-full border border-gray-200 rounded-xl p-3 outline-none focus:ring-2 focus:ring-purple-500 font-bold"
                  dir="ltr"
                />
              </div>

              <div>
                <label className="block text-sm font-bold text-gray-700 mb-2">حداقل مبلغ سفارش (تومان)</label>
                <input
                  type="number"
                  value={settings.MIN_ORDER_AMOUNT}
                  onChange={(e) => setSettings({ ...settings, MIN_ORDER_AMOUNT: e.target.value })}
                  className="w-full border border-gray-200 rounded-xl p-3 outline-none focus:ring-2 focus:ring-purple-500 font-bold"
                  dir="ltr"
                />
                <p className="text-xs text-gray-500 mt-2 font-medium">سفارشات زیر این مبلغ امکان ثبت نخواهند داشت (۰ = بدون محدودیت).</p>
              </div>

              <div>
                <label className="block text-sm font-bold text-gray-700 mb-2">پله رند کردن ردپای مهربانی (تومان)</label>
                <input
                  type="number"
                  step="1000"
                  value={settings.CHARITY_ROUND_STEP}
                  onChange={(e) => setSettings({ ...settings, CHARITY_ROUND_STEP: e.target.value })}
                  className="w-full border border-gray-200 rounded-xl p-3 outline-none focus:ring-2 focus:ring-purple-500 font-bold"
                  dir="ltr"
                  placeholder="10000"
                />
                <p className="text-xs text-gray-500 mt-2 font-medium">مبلغ فاکتور به اولین ضریب این عدد (مثلاً ۱۰,۰۰۰ یا ۵۰,۰۰۰ تومان) رند می‌شود.</p>
              </div>
            </div>
          </div>

          {/* B2B Settings */}
          <div className="bg-white p-6 rounded-2xl shadow-sm border border-gray-200 space-y-6">
            <h3 className="text-lg font-bold text-gray-900 border-b border-gray-100 pb-4 flex items-center gap-2">
              <Percent className="w-5 h-5 text-green-500" />
              همکاران B2B
            </h3>

            <div className="space-y-5">
              <div>
                <label className="block text-sm font-bold text-gray-700 mb-2">تخفیف پیش‌فرض همکار (درصد)</label>
                <input
                  type="number"
                  value={settings.B2B_DISCOUNT_PERCENT}
                  onChange={(e) => setSettings({ ...settings, B2B_DISCOUNT_PERCENT: e.target.value })}
                  className="w-full border border-gray-200 rounded-xl p-3 outline-none focus:ring-2 focus:ring-purple-500 font-bold"
                  dir="ltr"
                  max="100"
                  min="0"
                />
                <p className="text-xs text-gray-500 mt-2 font-medium">این درصد به صورت خودکار روی قیمت تمام محصولات برای کاربران تایید شده B2B اعمال می‌شود.</p>
              </div>
            </div>
          </div>

          {/* Payment Gateways Settings */}
          <div className="bg-white p-6 rounded-2xl shadow-sm border border-gray-200 space-y-6 lg:col-span-2">
            <h3 className="text-lg font-bold text-gray-900 border-b border-gray-100 pb-4 flex items-center gap-2">
              <CreditCard className="w-5 h-5 text-indigo-500" />
              مدیریت روش‌های پرداخت
            </h3>

            <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
              <div className="flex items-center justify-between p-4 bg-gray-50 rounded-xl border border-gray-200">
                <div>
                  <h4 className="font-bold text-gray-900 text-sm">کارت به کارت (واریز مستقیم)</h4>
                  <p className="text-xs text-gray-500 mt-0.5">واریز به شماره کارت/شبا رسمی کانینا</p>
                </div>
                <label className="relative inline-flex items-center cursor-pointer">
                  <input
                    type="checkbox"
                    className="sr-only peer"
                    checked={settings.PAY_GATEWAY_CARD_ENABLE === 'true'}
                    onChange={(e) => setSettings({ ...settings, PAY_GATEWAY_CARD_ENABLE: e.target.checked ? 'true' : 'false' })}
                  />
                  <div className="w-11 h-6 bg-gray-200 peer-focus:outline-none rounded-full peer peer-checked:after:translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-[2px] after:left-[2px] after:bg-white after:border-gray-300 after:border after:rounded-full after:h-5 after:w-5 after:transition-all peer-checked:bg-purple-600"></div>
                </label>
              </div>

              <div className="flex items-center justify-between p-4 bg-gray-50 rounded-xl border border-gray-200">
                <div>
                  <h4 className="font-bold text-gray-900 text-sm">اعتبار حساب (کیف پول)</h4>
                  <p className="text-xs text-gray-500 mt-0.5">پرداخت لحظه‌ای از موجودی کیف پول کاربر</p>
                </div>
                <label className="relative inline-flex items-center cursor-pointer">
                  <input
                    type="checkbox"
                    className="sr-only peer"
                    checked={settings.PAY_GATEWAY_WALLET_ENABLE === 'true'}
                    onChange={(e) => setSettings({ ...settings, PAY_GATEWAY_WALLET_ENABLE: e.target.checked ? 'true' : 'false' })}
                  />
                  <div className="w-11 h-6 bg-gray-200 peer-focus:outline-none rounded-full peer peer-checked:after:translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-[2px] after:left-[2px] after:bg-white after:border-gray-300 after:border after:rounded-full after:h-5 after:w-5 after:transition-all peer-checked:bg-purple-600"></div>
                </label>
              </div>

              <div className="flex items-center justify-between p-4 bg-gray-50 rounded-xl border border-gray-200">
                <div>
                  <h4 className="font-bold text-gray-900 text-sm">درگاه آنلاین شتاب (زیبال)</h4>
                  <p className="text-xs text-gray-500 mt-0.5">پرداخت الکترونیک کلیه کارت‌های عضو شتاب از طریق زیبال</p>
                </div>
                <label className="relative inline-flex items-center cursor-pointer">
                  <input
                    type="checkbox"
                    className="sr-only peer"
                    checked={settings.PAY_GATEWAY_ONLINE_ENABLE === 'true'}
                    onChange={(e) => setSettings({ ...settings, PAY_GATEWAY_ONLINE_ENABLE: e.target.checked ? 'true' : 'false' })}
                  />
                  <div className="w-11 h-6 bg-gray-200 peer-focus:outline-none rounded-full peer peer-checked:after:translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-[2px] after:left-[2px] after:bg-white after:border-gray-300 after:border after:rounded-full after:h-5 after:w-5 after:transition-all peer-checked:bg-purple-600"></div>
                </label>
              </div>

              <div className="flex items-center justify-between p-4 bg-gray-50 rounded-xl border border-gray-200">
                <div>
                  <h4 className="font-bold text-gray-900 text-sm">پرداخت در محل (COD)</h4>
                  <p className="text-xs text-gray-500 mt-0.5">پرداخت با کارتخوان هنگام تحویل (در صورت غیرفعال بودن: به زودی)</p>
                </div>
                <label className="relative inline-flex items-center cursor-pointer">
                  <input
                    type="checkbox"
                    className="sr-only peer"
                    checked={settings.PAY_GATEWAY_COD_ENABLE === 'true'}
                    onChange={(e) => setSettings({ ...settings, PAY_GATEWAY_COD_ENABLE: e.target.checked ? 'true' : 'false' })}
                  />
                  <div className="w-11 h-6 bg-gray-200 peer-focus:outline-none rounded-full peer peer-checked:after:translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-[2px] after:left-[2px] after:bg-white after:border-gray-300 after:border after:rounded-full after:h-5 after:w-5 after:transition-all peer-checked:bg-purple-600"></div>
                </label>
              </div>
            </div>

            {/* Zibal Specific Configuration */}
            <div className="pt-4 border-t border-gray-100 space-y-4">
              <div className="flex items-center gap-2 text-indigo-700 font-black text-sm">
                <span>پیکربندی پایانه پرداخت اینترنتی زیبال (Zibal IPG)</span>
                {settings.ZIBAL_MERCHANT === 'zibal' && (
                  <span className="bg-amber-100 text-amber-800 text-[10px] px-2 py-0.5 rounded-full font-bold">
                    حالت تستی (Sandbox: zibal)
                  </span>
                )}
              </div>

              <div className="grid grid-cols-1 md:grid-cols-2 gap-4 bg-indigo-50/50 p-4 rounded-xl border border-indigo-100">
                <div>
                  <label className="block text-xs font-bold text-gray-700 mb-1">
                    کد مرچنت زیبال (Merchant ID)
                  </label>
                  <input
                    type="text"
                    value={settings.ZIBAL_MERCHANT}
                    onChange={(e) => setSettings({ ...settings, ZIBAL_MERCHANT: e.target.value })}
                    placeholder="zibal"
                    className="w-full border border-gray-200 rounded-xl p-2.5 outline-none focus:ring-2 focus:ring-purple-500 text-xs font-mono font-bold bg-white"
                    dir="ltr"
                  />
                  <p className="text-[11px] text-gray-500 mt-1">
                    برای حالت تستی و آزمایش درگاه از مقدار <code>zibal</code> استفاده کنید.
                  </p>
                </div>

                <div>
                  <label className="block text-xs font-bold text-gray-700 mb-1">
                    دامنه فرانت‌اند / آدرس بازگشت (Frontend Domain)
                  </label>
                  <input
                    type="text"
                    value={settings.FRONTEND_URL}
                    onChange={(e) => setSettings({ ...settings, FRONTEND_URL: e.target.value })}
                    placeholder="https://canina.ir"
                    className="w-full border border-gray-200 rounded-xl p-2.5 outline-none focus:ring-2 focus:ring-purple-500 text-xs font-mono font-bold bg-white"
                    dir="ltr"
                  />
                  <p className="text-[11px] text-gray-500 mt-1">
                    آدرس دامنه‌ای که کاربر پس از پرداخت از زیبال به آن بازگردانده می‌شود.
                  </p>
                </div>
              </div>
            </div>
          </div>

          {/* Social Media & Contact Info Settings */}
          <div className="bg-white p-6 rounded-2xl shadow-sm border border-gray-200 space-y-6 lg:col-span-2">
            <h3 className="text-lg font-bold text-gray-900 border-b border-gray-100 pb-4 flex items-center gap-2">
              <Share2 className="w-5 h-5 text-blue-600" />
              راه‌های ارتباطی و شبکه‌های اجتماعی
            </h3>

            <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
              <div>
                <label className="block text-xs font-bold text-gray-700 mb-1">تلفن پشتیبانی و فروش</label>
                <input
                  type="text"
                  value={settings.CONTACT_PHONE}
                  onChange={(e) => setSettings({ ...settings, CONTACT_PHONE: e.target.value })}
                  className="w-full border border-gray-200 rounded-xl p-2.5 outline-none focus:ring-2 focus:ring-purple-500 text-xs font-bold"
                  dir="ltr"
                />
              </div>

              <div>
                <label className="block text-xs font-bold text-gray-700 mb-1">ایمیل رسمی پشتیبانی</label>
                <input
                  type="text"
                  value={settings.CONTACT_EMAIL}
                  onChange={(e) => setSettings({ ...settings, CONTACT_EMAIL: e.target.value })}
                  className="w-full border border-gray-200 rounded-xl p-2.5 outline-none focus:ring-2 focus:ring-purple-500 text-xs font-bold"
                  dir="ltr"
                />
              </div>

              <div>
                <label className="block text-xs font-bold text-gray-700 mb-1">شماره واتس‌اپ پشتیبانی</label>
                <input
                  type="text"
                  value={settings.SOCIAL_WHATSAPP}
                  onChange={(e) => setSettings({ ...settings, SOCIAL_WHATSAPP: e.target.value })}
                  className="w-full border border-gray-200 rounded-xl p-2.5 outline-none focus:ring-2 focus:ring-purple-500 text-xs font-bold"
                  dir="ltr"
                />
              </div>

              <div>
                <label className="block text-xs font-bold text-gray-700 mb-1">لینک پیج اینستاگرام</label>
                <input
                  type="text"
                  value={settings.SOCIAL_INSTAGRAM}
                  onChange={(e) => setSettings({ ...settings, SOCIAL_INSTAGRAM: e.target.value })}
                  className="w-full border border-gray-200 rounded-xl p-2.5 outline-none focus:ring-2 focus:ring-purple-500 text-xs font-bold"
                  dir="ltr"
                />
              </div>

              <div>
                <label className="block text-xs font-bold text-gray-700 mb-1">کانال تلگرام</label>
                <input
                  type="text"
                  value={settings.SOCIAL_TELEGRAM}
                  onChange={(e) => setSettings({ ...settings, SOCIAL_TELEGRAM: e.target.value })}
                  className="w-full border border-gray-200 rounded-xl p-2.5 outline-none focus:ring-2 focus:ring-purple-500 text-xs font-bold"
                  dir="ltr"
                />
              </div>

              <div>
                <label className="block text-xs font-bold text-gray-700 mb-1">آدرس دفتر مرکزی</label>
                <input
                  type="text"
                  value={settings.CONTACT_ADDRESS}
                  onChange={(e) => setSettings({ ...settings, CONTACT_ADDRESS: e.target.value })}
                  className="w-full border border-gray-200 rounded-xl p-2.5 outline-none focus:ring-2 focus:ring-purple-500 text-xs font-bold"
                  dir="rtl"
                />
              </div>
            </div>
          </div>

          {/* Brand Identity & Theme Settings */}
          <div className="bg-white p-6 rounded-2xl shadow-sm border border-gray-200 space-y-6 lg:col-span-2">
            <h3 className="text-lg font-bold text-gray-900 border-b border-gray-100 pb-4 flex items-center gap-2">
              <SettingsIcon className="w-5 h-5 text-purple-600" />
              مدیریت هویت برند، نمادها و ظاهر سایت
            </h3>

            <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
              <div>
                <label className="block text-xs font-bold text-gray-700 mb-1">لینک لوگوی برند (Brand Logo URL)</label>
                <input
                  type="text"
                  value={settings.BRAND_LOGO_URL}
                  onChange={(e) => setSettings({ ...settings, BRAND_LOGO_URL: e.target.value })}
                  className="w-full border border-gray-200 rounded-xl p-2.5 outline-none focus:ring-2 focus:ring-purple-500 text-xs font-mono"
                  dir="ltr"
                />
              </div>

              <div className="md:col-span-2">
                <label className="block text-xs font-bold text-gray-700 mb-1">کد و اسکریپت نماد اعتماد الکترونیکی (Enamad HTML/Embed Code)</label>
                <textarea
                  rows={4}
                  value={settings.ENAMAD_CODE}
                  onChange={(e) => setSettings({ ...settings, ENAMAD_CODE: e.target.value })}
                  placeholder="<a referrerpolicy='origin' target='_blank' href='...'><img src='...' code='...' /></a>"
                  className="w-full border border-gray-200 rounded-xl p-3 outline-none focus:ring-2 focus:ring-purple-500 text-xs font-mono bg-slate-50"
                  dir="ltr"
                />
                <p className="text-[11px] text-gray-500 mt-1">کد کامل HTML دریافت شده از سامانه اینماد (trustseal.enamad.ir) را مستقیماً وارد کنید.</p>
              </div>

              <div>
                <label className="block text-xs font-bold text-gray-700 mb-1">رنگ اصلی تم سایت (Hex Color)</label>
                <div className="flex gap-2">
                  <input
                    type="color"
                    value={settings.THEME_PRIMARY_COLOR}
                    onChange={(e) => setSettings({ ...settings, THEME_PRIMARY_COLOR: e.target.value })}
                    className="w-10 h-10 rounded-lg cursor-pointer border border-gray-200"
                  />
                  <input
                    type="text"
                    value={settings.THEME_PRIMARY_COLOR}
                    onChange={(e) => setSettings({ ...settings, THEME_PRIMARY_COLOR: e.target.value })}
                    className="flex-1 border border-gray-200 rounded-xl p-2.5 outline-none focus:ring-2 focus:ring-purple-500 text-xs font-mono"
                    dir="ltr"
                  />
                </div>
              </div>

              <div>
                <label className="block text-xs font-bold text-gray-700 mb-1">تایپوگرافی و فونت سایت</label>
                <select
                  value={settings.BRAND_TYPOGRAPHY}
                  onChange={(e) => setSettings({ ...settings, BRAND_TYPOGRAPHY: e.target.value })}
                  className="w-full border border-gray-200 rounded-xl p-2.5 outline-none focus:ring-2 focus:ring-purple-500 text-xs font-bold"
                >
                  <option value="vazirmatn">وزیرمتن (Vazirmatn)</option>
                  <option value="iransans">ایران‌سانس (IRANSans)</option>
                  <option value="dana">دانا (Dana)</option>
                  <option value="shabnam">شبنم (Shabnam)</option>
                </select>
              </div>
            </div>
          </div>

          {/* System Settings */}
          <div className="bg-white p-6 rounded-2xl shadow-sm border border-gray-200 space-y-6 lg:col-span-2">
            <h3 className="text-lg font-bold text-gray-900 border-b border-gray-100 pb-4 flex items-center gap-2">
              <ShieldAlert className="w-5 h-5 text-orange-500" />
              وضعیت سیستم و کنترل حالت کاتالوگ
            </h3>

            <div className="space-y-4">
              <div className="flex items-center justify-between p-4 bg-orange-50 rounded-xl border border-orange-100">
                <div className="flex items-center gap-3">
                  <AlertCircle className="w-6 h-6 text-orange-500" />
                  <div>
                    <h4 className="font-bold text-gray-900 text-sm">حالت تعمیرات (Maintenance Mode)</h4>
                    <p className="text-xs text-gray-600 mt-0.5">با فعال کردن این گزینه، سایت برای کاربران از دسترس خارج شده و صفحه اختصاصی «در حال بروزرسانی» نمایش داده می‌شود.</p>
                  </div>
                </div>
                <label className="relative inline-flex items-center cursor-pointer">
                  <input
                    type="checkbox"
                    className="sr-only peer"
                    checked={settings.MAINTENANCE_MODE === 'true'}
                    onChange={(e) => setSettings({ ...settings, MAINTENANCE_MODE: e.target.checked ? 'true' : 'false' })}
                  />
                  <div className="w-14 h-7 bg-gray-200 peer-focus:outline-none rounded-full peer peer-checked:after:translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-[2px] after:left-[2px] after:bg-white after:border-gray-300 after:border after:rounded-full after:h-6 after:w-6 after:transition-all peer-checked:bg-orange-500"></div>
                </label>
              </div>

              <div className="p-4 bg-purple-50 rounded-xl border border-purple-100 space-y-4">
                <div className="flex items-center justify-between">
                  <div className="flex items-center gap-3">
                    <AlertCircle className="w-6 h-6 text-purple-600" />
                    <div>
                      <h4 className="font-bold text-gray-900 text-sm">حالت کاتالوگ بدون خرید (Catalog Only Mode)</h4>
                      <p className="text-xs text-gray-600 mt-0.5">با فعال‌سازی این گزینه، فروش مستقیم کالا غیرفعال شده و سایت به کاتالوگ هوشمند آنلاین تبدیل می‌شود.</p>
                    </div>
                  </div>
                  <label className="relative inline-flex items-center cursor-pointer">
                    <input
                      type="checkbox"
                      className="sr-only peer"
                      checked={settings.CATALOG_ONLY_MODE === 'true'}
                      onChange={(e) => setSettings({ ...settings, CATALOG_ONLY_MODE: e.target.checked ? 'true' : 'false' })}
                    />
                    <div className="w-14 h-7 bg-gray-200 peer-focus:outline-none rounded-full peer peer-checked:after:translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-[2px] after:left-[2px] after:bg-white after:border-gray-300 after:border after:rounded-full after:h-6 after:w-6 after:transition-all peer-checked:bg-purple-600"></div>
                  </label>
                </div>

                {settings.CATALOG_ONLY_MODE === 'true' && (
                  <div className="pt-3 border-t border-purple-200/60 grid grid-cols-1 md:grid-cols-2 gap-3 text-xs">
                    <label className="flex items-center gap-2 font-bold text-gray-800 cursor-pointer">
                      <input
                        type="checkbox"
                        checked={settings.CATALOG_SHOW_PRICES === 'true'}
                        onChange={(e) => setSettings({ ...settings, CATALOG_SHOW_PRICES: e.target.checked ? 'true' : 'false' })}
                        className="rounded text-purple-600 focus:ring-purple-500"
                      />
                      <span>نمایش قیمت محصولات در حالت کاتالوگ</span>
                    </label>

                    <label className="flex items-center gap-2 font-bold text-gray-800 cursor-pointer">
                      <input
                        type="checkbox"
                        checked={settings.CATALOG_ALLOW_CART === 'true'}
                        onChange={(e) => setSettings({ ...settings, CATALOG_ALLOW_CART: e.target.checked ? 'true' : 'false' })}
                        className="rounded text-purple-600 focus:ring-purple-500"
                      />
                      <span>امکان افزودن به سبد خرید</span>
                    </label>

                    <label className="flex items-center gap-2 font-bold text-gray-800 cursor-pointer">
                      <input
                        type="checkbox"
                        checked={settings.CATALOG_ALLOW_CHECKOUT === 'true'}
                        onChange={(e) => setSettings({ ...settings, CATALOG_ALLOW_CHECKOUT: e.target.checked ? 'true' : 'false' })}
                        className="rounded text-purple-600 focus:ring-purple-500"
                      />
                      <span>امکان ورود به صفحه تسویه‌حساب (ثبت فاکتور)</span>
                    </label>

                    <label className="flex items-center gap-2 font-bold text-gray-800 cursor-pointer">
                      <input
                        type="checkbox"
                        checked={settings.CATALOG_PREORDER_BTN === 'true'}
                        onChange={(e) => setSettings({ ...settings, CATALOG_PREORDER_BTN: e.target.checked ? 'true' : 'false' })}
                        className="rounded text-purple-600 focus:ring-purple-500"
                      />
                      <span>نمایش دکمه «ثبت پیش‌خرید» به جای ثبت سفارش</span>
                    </label>
                  </div>
                )}
              </div>
            </div>
          </div>

          <div className="lg:col-span-2 flex justify-end">
            <button
              type="submit"
              disabled={isSaving}
              className="bg-purple-600 hover:bg-purple-700 text-white font-bold py-3 px-8 rounded-xl transition-colors flex items-center gap-2 shadow-md shadow-purple-200"
            >
              {isSaving ? <Spinner size="sm" /> : <Save className="w-5 h-5" />}
              ذخیره تغییرات
            </button>
          </div>
        </form>
      )}
    </div>
  );
}