'use client';

import React, { useState, useEffect, useCallback } from 'react';
import Link from 'next/link';
import { useAuth } from '@/contexts/AuthContext';
import { useRouter } from 'next/navigation';

interface SuspensionUser {
  id: string;
  email: string;
  full_name: string;
  avatar_url: string | null;
  role: string;
}

interface Suspension {
  id: string;
  user_id: string;
  suspension_type: 'suspended' | 'banned';
  reason: string;
  duration_days: number | null;
  expires_at: string | null;
  is_active: boolean;
  lifted_at: string | null;
  lift_reason: string | null;
  email_sent: boolean;
  created_at: string;
  user: SuspensionUser;
  suspended_by_user: { id: string; full_name: string; email: string };
}

interface UserForSuspend {
  id: string;
  email: string;
  full_name: string;
  avatar_url: string | null;
  role: string;
  suspension_status: string | null;
  suspended_until: string | null;
}

const DURATION_OPTIONS = [
  { label: '1 day', value: 1 },
  { label: '3 days', value: 3 },
  { label: '7 days', value: 7 },
  { label: '14 days', value: 14 },
  { label: '30 days', value: 30 },
  { label: '90 days', value: 90 },
  { label: 'Permanent (Ban)', value: null },
];

export default function AdminSuspensionsPage() {
  const { user, loading } = useAuth();
  const router = useRouter();

  const [suspensions, setSuspensions] = useState<Suspension[]>([]);
  const [users, setUsers] = useState<UserForSuspend[]>([]);
  const [loadingData, setLoadingData] = useState(true);
  const [activeTab, setActiveTab] = useState<'active' | 'history' | 'users'>('active');
  const [notification, setNotification] = useState<{ type: 'success' | 'error'; message: string } | null>(null);
  const [processingIds, setProcessingIds] = useState<Set<string>>(new Set());

  // Suspend modal state
  const [showSuspendModal, setShowSuspendModal] = useState(false);
  const [selectedUser, setSelectedUser] = useState<UserForSuspend | null>(null);
  const [suspendReason, setSuspendReason] = useState('');
  const [suspendType, setSuspendType] = useState<'suspended' | 'banned'>('suspended');
  const [suspendDuration, setSuspendDuration] = useState<number | null>(7);
  const [suspending, setSuspending] = useState(false);

  // Lift modal state
  const [showLiftModal, setShowLiftModal] = useState(false);
  const [liftingSuspension, setLiftingSuspension] = useState<Suspension | null>(null);
  const [liftReason, setLiftReason] = useState('');
  const [lifting, setLifting] = useState(false);

  // User search
  const [userSearch, setUserSearch] = useState('');

  useEffect(() => {
    if (!loading && !user) router.replace('/login?next=' + encodeURIComponent(window.location.pathname));
  }, [user, loading, router]);

  const showNotification = (type: 'success' | 'error', message: string) => {
    setNotification({ type, message });
    setTimeout(() => setNotification(null), 4000);
  };

  const fetchSuspensions = useCallback(async (activeOnly: boolean) => {
    const res = await fetch(`/api/admin/suspensions?active=${activeOnly}`);
    if (res.ok) {
      const data = await res.json();
      setSuspensions(data.suspensions || []);
    }
  }, []);

  const fetchUsers = useCallback(async () => {
    const res = await fetch('/api/admin/users?tab=users');
    if (res.ok) {
      const data = await res.json();
      setUsers(data.users || []);
    }
  }, []);

  const loadData = useCallback(async () => {
    setLoadingData(true);
    try {
      await Promise.all([
        fetchSuspensions(activeTab === 'active'),
        fetchUsers(),
      ]);
    } finally {
      setLoadingData(false);
    }
  }, [activeTab, fetchSuspensions, fetchUsers]);

  useEffect(() => {
    if (user) loadData();
  }, [user, loadData]);

  const handleSuspend = async (e: React.FormEvent) => {
    e.preventDefault();
    if (!selectedUser || !suspendReason.trim()) return;
    setSuspending(true);
    try {
      const res = await fetch('/api/admin/suspensions', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({
          user_id: selectedUser.id,
          suspension_type: suspendType,
          reason: suspendReason.trim(),
          duration_days: suspendType === 'banned' ? null : suspendDuration,
        }),
      });
      const data = await res.json();
      if (res.ok) {
        showNotification('success', `User ${suspendType === 'banned' ? 'banned' : 'suspended'} successfully${data.emailSent ? ' — notification email sent' : ''}`);
        setShowSuspendModal(false);
        setSuspendReason('');
        setSuspendType('suspended');
        setSuspendDuration(7);
        setSelectedUser(null);
        loadData();
      } else {
        showNotification('error', data.error || 'Failed to suspend user');
      }
    } catch {
      showNotification('error', 'Failed to suspend user');
    } finally {
      setSuspending(false);
    }
  };

  const handleLiftSuspension = async (e: React.FormEvent) => {
    e.preventDefault();
    if (!liftingSuspension) return;
    setLifting(true);
    try {
      const res = await fetch('/api/admin/suspensions', {
        method: 'PATCH',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({
          suspension_id: liftingSuspension.id,
          lift_reason: liftReason.trim() || undefined,
        }),
      });
      if (res.ok) {
        showNotification('success', 'Suspension lifted successfully');
        setShowLiftModal(false);
        setLiftReason('');
        setLiftingSuspension(null);
        loadData();
      } else {
        const data = await res.json();
        showNotification('error', data.error || 'Failed to lift suspension');
      }
    } catch {
      showNotification('error', 'Failed to lift suspension');
    } finally {
      setLifting(false);
    }
  };

  const openSuspendModal = (u: UserForSuspend) => {
    setSelectedUser(u);
    setSuspendType('suspended');
    setSuspendDuration(7);
    setSuspendReason('');
    setShowSuspendModal(true);
  };

  const openLiftModal = (s: Suspension) => {
    setLiftingSuspension(s);
    setLiftReason('');
    setShowLiftModal(true);
  };

  const formatDate = (d: string) =>
    new Date(d).toLocaleDateString('en-US', { year: 'numeric', month: 'short', day: 'numeric' });

  const formatExpiry = (s: Suspension) => {
    if (s.suspension_type === 'banned') return 'Permanent';
    if (!s.expires_at) return 'Indefinite';
    const exp = new Date(s.expires_at);
    const now = new Date();
    if (exp < now) return 'Expired';
    const days = Math.ceil((exp.getTime() - now.getTime()) / (1000 * 60 * 60 * 24));
    return `${days}d remaining`;
  };

  const filteredUsers = users.filter((u) => {
    if (!userSearch) return true;
    return (
      u.email.toLowerCase().includes(userSearch.toLowerCase()) ||
      (u.full_name || '').toLowerCase().includes(userSearch.toLowerCase())
    );
  });

  const activeSuspensions = suspensions.filter((s) => s.is_active);
  const suspendedUserIds = new Set(activeSuspensions.map((s) => s.user_id));

  if (loading) {
    return (
      <div className="min-h-screen bg-[#0d1117] flex items-center justify-center">
        <div className="w-6 h-6 border-2 border-[#1D4ED8] border-t-transparent rounded-full animate-spin" />
      </div>
    );
  }

  return (
    <div className="min-h-screen bg-[#0d1117]">
      {/* Notification */}
      {notification && (
        <div className={`fixed top-4 right-4 z-50 px-4 py-3 rounded-lg text-sm font-medium shadow-lg transition-all ${
          notification.type === 'success' ?'bg-green-500/20 text-green-400 border border-green-500/30' :'bg-red-500/20 text-red-400 border border-red-500/30'
        }`}>
          {notification.message}
        </div>
      )}

      {/* Header */}
      <div className="bg-[#111827] border-b border-[#1f2937]">
        <div className="max-w-7xl mx-auto px-4 sm:px-6 py-4">
          <div className="flex items-center justify-between gap-4 flex-wrap">
            <div className="flex items-center gap-3">
              <Link href="/admin" className="text-[#555] hover:text-[#888] transition-colors text-sm">
                ← Admin
              </Link>
              <span className="text-[#333]">/</span>
              <h1 className="text-white font-bold text-lg">Suspensions & Bans</h1>
            </div>
            <div className="flex items-center gap-2">
              <span className="text-xs text-[#555] bg-[#1f2937] px-2 py-1 rounded">
                {activeSuspensions.length} active
              </span>
            </div>
          </div>
        </div>
      </div>

      <div className="max-w-7xl mx-auto px-4 sm:px-6 py-6">
        {/* Stats */}
        <div className="grid grid-cols-2 sm:grid-cols-4 gap-3 mb-6">
          <div className="bg-[#111827] border border-[#1f2937] rounded-lg p-4">
            <p className="text-[#555] text-xs uppercase tracking-wider mb-1">Active Suspensions</p>
            <p className="text-white text-2xl font-bold">{activeSuspensions.filter(s => s.suspension_type === 'suspended').length}</p>
          </div>
          <div className="bg-[#111827] border border-[#1f2937] rounded-lg p-4">
            <p className="text-[#555] text-xs uppercase tracking-wider mb-1">Active Bans</p>
            <p className="text-red-400 text-2xl font-bold">{activeSuspensions.filter(s => s.suspension_type === 'banned').length}</p>
          </div>
          <div className="bg-[#111827] border border-[#1f2937] rounded-lg p-4">
            <p className="text-[#555] text-xs uppercase tracking-wider mb-1">Total Users</p>
            <p className="text-white text-2xl font-bold">{users.length}</p>
          </div>
          <div className="bg-[#111827] border border-[#1f2937] rounded-lg p-4">
            <p className="text-[#555] text-xs uppercase tracking-wider mb-1">Restricted Users</p>
            <p className="text-orange-400 text-2xl font-bold">{suspendedUserIds.size}</p>
          </div>
        </div>

        {/* Tabs */}
        <div className="flex items-center gap-1 mb-5 border-b border-[#1f2937]">
          {(['active', 'history', 'users'] as const).map((tab) => (
            <button
              key={tab}
              onClick={() => setActiveTab(tab)}
              className={`px-4 py-2.5 text-sm font-semibold capitalize transition-colors border-b-2 -mb-px ${
                activeTab === tab
                  ? 'text-[#1D4ED8] border-[#1D4ED8]'
                  : 'text-[#555] border-transparent hover:text-[#888]'
              }`}
            >
              {tab === 'active' ? 'Active Restrictions' : tab === 'history' ? 'History' : 'Manage Users'}
              {tab === 'active' && activeSuspensions.length > 0 && (
                <span className="ml-2 bg-red-400/20 text-red-400 text-xs px-1.5 py-0.5 rounded-full">
                  {activeSuspensions.length}
                </span>
              )}
            </button>
          ))}
        </div>

        {loadingData ? (
          <div className="flex items-center justify-center py-16">
            <div className="w-6 h-6 border-2 border-[#1D4ED8] border-t-transparent rounded-full animate-spin" />
          </div>
        ) : (
          <>
            {/* Active Restrictions Tab */}
            {activeTab === 'active' && (
              <div className="bg-[#111827] border border-[#1f2937] rounded-xl overflow-hidden">
                {activeSuspensions.length === 0 ? (
                  <div className="text-center py-16 text-[#555]">
                    <svg className="mx-auto mb-3 text-[#333]" width="40" height="40" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.5" aria-hidden="true">
                      <circle cx="12" cy="12" r="10" /><path d="M4.93 4.93l14.14 14.14" />
                    </svg>
                    <p className="text-sm">No active suspensions or bans</p>
                  </div>
                ) : (
                  <div className="overflow-x-auto">
                    <table className="w-full">
                      <thead>
                        <tr className="border-b border-[#1f2937]">
                          <th className="text-left text-[#555] text-xs uppercase tracking-wider px-5 py-3 font-semibold">User</th>
                          <th className="text-left text-[#555] text-xs uppercase tracking-wider px-4 py-3 font-semibold">Type</th>
                          <th className="text-left text-[#555] text-xs uppercase tracking-wider px-4 py-3 font-semibold hidden md:table-cell">Reason</th>
                          <th className="text-left text-[#555] text-xs uppercase tracking-wider px-4 py-3 font-semibold hidden sm:table-cell">Expires</th>
                          <th className="text-left text-[#555] text-xs uppercase tracking-wider px-4 py-3 font-semibold hidden lg:table-cell">Email</th>
                          <th className="text-right text-[#555] text-xs uppercase tracking-wider px-5 py-3 font-semibold">Actions</th>
                        </tr>
                      </thead>
                      <tbody>
                        {activeSuspensions.map((s) => (
                          <tr key={s.id} className="border-b border-[#1a2030] hover:bg-[#0d1117]/50 transition-colors">
                            <td className="px-5 py-3.5">
                              <div className="flex items-center gap-3">
                                <div className="w-8 h-8 rounded-full bg-[#1f2937] flex items-center justify-center text-[#1D4ED8] font-bold text-sm flex-shrink-0 overflow-hidden">
                                  {s.user?.avatar_url ? (
                                    <img src={s.user.avatar_url} alt={s.user.full_name || s.user.email} className="w-full h-full object-cover" />
                                  ) : (
                                    (s.user?.full_name?.[0] || s.user?.email?.[0] || '?').toUpperCase()
                                  )}
                                </div>
                                <div className="min-w-0">
                                  <p className="text-white text-sm font-medium truncate">{s.user?.full_name || '—'}</p>
                                  <p className="text-[#555] text-xs truncate">{s.user?.email}</p>
                                </div>
                              </div>
                            </td>
                            <td className="px-4 py-3.5">
                              <span className={`inline-flex items-center px-2 py-0.5 rounded text-xs font-semibold uppercase tracking-wide ${
                                s.suspension_type === 'banned' ?'text-red-400 bg-red-400/10' :'text-orange-400 bg-orange-400/10'
                              }`}>
                                {s.suspension_type === 'banned' ? '🚫 Banned' : '⏸ Suspended'}
                              </span>
                            </td>
                            <td className="px-4 py-3.5 hidden md:table-cell">
                              <p className="text-[#ccc] text-xs max-w-[200px] truncate" title={s.reason}>{s.reason}</p>
                            </td>
                            <td className="px-4 py-3.5 hidden sm:table-cell">
                              <span className={`text-xs font-medium ${
                                s.suspension_type === 'banned' ? 'text-red-400' : 'text-orange-400'
                              }`}>
                                {formatExpiry(s)}
                              </span>
                            </td>
                            <td className="px-4 py-3.5 hidden lg:table-cell">
                              <span className={`text-xs ${s.email_sent ? 'text-green-400' : 'text-[#555]'}`}>
                                {s.email_sent ? '✓ Sent' : '✗ Not sent'}
                              </span>
                            </td>
                            <td className="px-5 py-3.5">
                              <div className="flex items-center justify-end gap-2">
                                <button
                                  onClick={() => openLiftModal(s)}
                                  disabled={processingIds.has(s.id)}
                                  className="text-[#555] hover:text-green-400 hover:bg-green-400/10 transition-colors text-xs font-medium px-2 py-1 rounded disabled:opacity-50"
                                >
                                  Lift
                                </button>
                              </div>
                            </td>
                          </tr>
                        ))}
                      </tbody>
                    </table>
                  </div>
                )}
              </div>
            )}

            {/* History Tab */}
            {activeTab === 'history' && (
              <div className="bg-[#111827] border border-[#1f2937] rounded-xl overflow-hidden">
                {suspensions.length === 0 ? (
                  <div className="text-center py-16 text-[#555]">
                    <p className="text-sm">No suspension history</p>
                  </div>
                ) : (
                  <div className="overflow-x-auto">
                    <table className="w-full">
                      <thead>
                        <tr className="border-b border-[#1f2937]">
                          <th className="text-left text-[#555] text-xs uppercase tracking-wider px-5 py-3 font-semibold">User</th>
                          <th className="text-left text-[#555] text-xs uppercase tracking-wider px-4 py-3 font-semibold">Type</th>
                          <th className="text-left text-[#555] text-xs uppercase tracking-wider px-4 py-3 font-semibold hidden md:table-cell">Reason</th>
                          <th className="text-left text-[#555] text-xs uppercase tracking-wider px-4 py-3 font-semibold hidden sm:table-cell">Status</th>
                          <th className="text-left text-[#555] text-xs uppercase tracking-wider px-4 py-3 font-semibold hidden lg:table-cell">Date</th>
                        </tr>
                      </thead>
                      <tbody>
                        {suspensions.map((s) => (
                          <tr key={s.id} className="border-b border-[#1a2030] hover:bg-[#0d1117]/50 transition-colors">
                            <td className="px-5 py-3.5">
                              <div className="flex items-center gap-3">
                                <div className="w-7 h-7 rounded-full bg-[#1f2937] flex items-center justify-center text-[#1D4ED8] text-xs font-bold flex-shrink-0">
                                  {(s.user?.full_name?.[0] || s.user?.email?.[0] || '?').toUpperCase()}
                                </div>
                                <div className="min-w-0">
                                  <p className="text-white text-sm truncate">{s.user?.full_name || s.user?.email || '—'}</p>
                                </div>
                              </div>
                            </td>
                            <td className="px-4 py-3.5">
                              <span className={`inline-flex items-center px-2 py-0.5 rounded text-xs font-semibold uppercase tracking-wide ${
                                s.suspension_type === 'banned' ?'text-red-400 bg-red-400/10' :'text-orange-400 bg-orange-400/10'
                              }`}>
                                {s.suspension_type}
                              </span>
                            </td>
                            <td className="px-4 py-3.5 hidden md:table-cell">
                              <p className="text-[#888] text-xs max-w-[200px] truncate">{s.reason}</p>
                            </td>
                            <td className="px-4 py-3.5 hidden sm:table-cell">
                              <span className={`text-xs font-medium ${
                                s.is_active ? 'text-orange-400' : 'text-[#555]'
                              }`}>
                                {s.is_active ? 'Active' : s.lifted_at ? 'Lifted' : 'Expired'}
                              </span>
                            </td>
                            <td className="px-4 py-3.5 hidden lg:table-cell text-[#555] text-xs">
                              {formatDate(s.created_at)}
                            </td>
                          </tr>
                        ))}
                      </tbody>
                    </table>
                  </div>
                )}
              </div>
            )}

            {/* Manage Users Tab */}
            {activeTab === 'users' && (
              <div>
                <div className="mb-4">
                  <div className="relative max-w-xs">
                    <svg className="absolute left-3 top-1/2 -translate-y-1/2 text-[#555]" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" aria-hidden="true">
                      <circle cx="11" cy="11" r="8" /><path d="m21 21-4.35-4.35" />
                    </svg>
                    <input
                      type="text"
                      placeholder="Search users..."
                      value={userSearch}
                      onChange={(e) => setUserSearch(e.target.value)}
                      className="w-full bg-[#111827] border border-[#1f2937] text-white text-sm rounded-lg pl-9 pr-3 py-2 placeholder-[#444] focus:outline-none focus:border-[#1D4ED8]"
                    />
                  </div>
                </div>
                <div className="bg-[#111827] border border-[#1f2937] rounded-xl overflow-hidden">
                  <div className="overflow-x-auto">
                    <table className="w-full">
                      <thead>
                        <tr className="border-b border-[#1f2937]">
                          <th className="text-left text-[#555] text-xs uppercase tracking-wider px-5 py-3 font-semibold">User</th>
                          <th className="text-left text-[#555] text-xs uppercase tracking-wider px-4 py-3 font-semibold hidden sm:table-cell">Role</th>
                          <th className="text-left text-[#555] text-xs uppercase tracking-wider px-4 py-3 font-semibold">Status</th>
                          <th className="text-right text-[#555] text-xs uppercase tracking-wider px-5 py-3 font-semibold">Actions</th>
                        </tr>
                      </thead>
                      <tbody>
                        {filteredUsers.map((u) => {
                          const isSuspended = suspendedUserIds.has(u.id);
                          const activeSusp = activeSuspensions.find(s => s.user_id === u.id);
                          return (
                            <tr key={u.id} className="border-b border-[#1a2030] hover:bg-[#0d1117]/50 transition-colors">
                              <td className="px-5 py-3.5">
                                <div className="flex items-center gap-3">
                                  <div className="w-8 h-8 rounded-full bg-[#1f2937] flex items-center justify-center text-[#1D4ED8] font-bold text-sm flex-shrink-0 overflow-hidden">
                                    {u.avatar_url ? (
                                      <img src={u.avatar_url} alt={u.full_name || u.email} className="w-full h-full object-cover" />
                                    ) : (
                                      (u.full_name?.[0] || u.email?.[0] || '?').toUpperCase()
                                    )}
                                  </div>
                                  <div className="min-w-0">
                                    <p className="text-white text-sm font-medium truncate">{u.full_name || '—'}</p>
                                    <p className="text-[#555] text-xs truncate">{u.email}</p>
                                  </div>
                                </div>
                              </td>
                              <td className="px-4 py-3.5 hidden sm:table-cell">
                                <span className="text-[#888] text-xs capitalize">{u.role}</span>
                              </td>
                              <td className="px-4 py-3.5">
                                {isSuspended ? (
                                  <span className={`inline-flex items-center gap-1 px-2 py-0.5 rounded text-xs font-semibold ${
                                    activeSusp?.suspension_type === 'banned' ?'text-red-400 bg-red-400/10' :'text-orange-400 bg-orange-400/10'
                                  }`}>
                                    <span className="w-1.5 h-1.5 rounded-full bg-current" />
                                    {activeSusp?.suspension_type === 'banned' ? 'Banned' : 'Suspended'}
                                  </span>
                                ) : (
                                  <span className="inline-flex items-center gap-1 text-xs font-medium text-green-400">
                                    <span className="w-1.5 h-1.5 rounded-full bg-green-400" />
                                    Active
                                  </span>
                                )}
                              </td>
                              <td className="px-5 py-3.5">
                                <div className="flex items-center justify-end gap-2">
                                  {isSuspended && activeSusp ? (
                                    <button
                                      onClick={() => openLiftModal(activeSusp)}
                                      className="text-[#555] hover:text-green-400 hover:bg-green-400/10 transition-colors text-xs font-medium px-2 py-1 rounded"
                                    >
                                      Lift Restriction
                                    </button>
                                  ) : (
                                    u.role !== 'admin' && (
                                      <button
                                        onClick={() => openSuspendModal(u)}
                                        className="text-[#555] hover:text-orange-400 hover:bg-orange-400/10 transition-colors text-xs font-medium px-2 py-1 rounded"
                                      >
                                        Suspend / Ban
                                      </button>
                                    )
                                  )}
                                </div>
                              </td>
                            </tr>
                          );
                        })}
                      </tbody>
                    </table>
                  </div>
                </div>
              </div>
            )}
          </>
        )}
      </div>

      {/* Suspend Modal */}
      {showSuspendModal && selectedUser && (
        <div className="fixed inset-0 z-50 flex items-center justify-center p-4 bg-black/70 backdrop-blur-sm">
          <div className="bg-[#111827] border border-[#1f2937] rounded-xl w-full max-w-md shadow-2xl">
            <div className="flex items-center justify-between px-6 py-4 border-b border-[#1f2937]">
              <h2 className="text-white font-bold text-base">Suspend / Ban User</h2>
              <button
                onClick={() => setShowSuspendModal(false)}
                className="text-[#555] hover:text-white transition-colors"
                aria-label="Close"
              >
                <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" aria-hidden="true">
                  <path d="M18 6 6 18M6 6l12 12" />
                </svg>
              </button>
            </div>
            <form onSubmit={handleSuspend} className="px-6 py-5 space-y-4">
              {/* User info */}
              <div className="flex items-center gap-3 bg-[#0d1117] rounded-lg p-3">
                <div className="w-9 h-9 rounded-full bg-[#1f2937] flex items-center justify-center text-[#1D4ED8] font-bold text-sm flex-shrink-0 overflow-hidden">
                  {selectedUser.avatar_url ? (
                    <img src={selectedUser.avatar_url} alt={selectedUser.full_name || selectedUser.email} className="w-full h-full object-cover" />
                  ) : (
                    (selectedUser.full_name?.[0] || selectedUser.email?.[0] || '?').toUpperCase()
                  )}
                </div>
                <div className="min-w-0">
                  <p className="text-white text-sm font-medium truncate">{selectedUser.full_name || '—'}</p>
                  <p className="text-[#555] text-xs truncate">{selectedUser.email}</p>
                </div>
              </div>

              {/* Type */}
              <div>
                <label className="block text-[#888] text-xs font-semibold uppercase tracking-wider mb-2">
                  Action Type
                </label>
                <div className="grid grid-cols-2 gap-2">
                  {(['suspended', 'banned'] as const).map((t) => (
                    <label
                      key={t}
                      className={`flex items-center gap-2 p-3 rounded-lg border cursor-pointer transition-colors ${
                        suspendType === t
                          ? t === 'banned' ? 'border-red-500 bg-red-500/10' : 'border-orange-500 bg-orange-500/10' :'border-[#1f2937] hover:border-[#2a3a50]'
                      }`}
                    >
                      <input
                        type="radio"
                        name="suspendType"
                        value={t}
                        checked={suspendType === t}
                        onChange={() => {
                          setSuspendType(t);
                          if (t === 'banned') setSuspendDuration(null);
                          else setSuspendDuration(7);
                        }}
                        className="sr-only"
                      />
                      <span className={`w-3 h-3 rounded-full border-2 flex items-center justify-center flex-shrink-0 ${
                        suspendType === t
                          ? t === 'banned' ? 'border-red-400' : 'border-orange-400' :'border-[#444]'
                      }`}>
                        {suspendType === t && <span className={`w-1.5 h-1.5 rounded-full ${t === 'banned' ? 'bg-red-400' : 'bg-orange-400'}`} />}
                      </span>
                      <span className={`text-sm font-semibold capitalize ${
                        suspendType === t
                          ? t === 'banned' ? 'text-red-400' : 'text-orange-400' :'text-[#888]'
                      }`}>
                        {t === 'banned' ? '🚫 Ban' : '⏸ Suspend'}
                      </span>
                    </label>
                  ))}
                </div>
              </div>

              {/* Duration (only for suspend) */}
              {suspendType === 'suspended' && (
                <div>
                  <label className="block text-[#888] text-xs font-semibold uppercase tracking-wider mb-1.5">
                    Duration
                  </label>
                  <select
                    value={suspendDuration ?? ''}
                    onChange={(e) => setSuspendDuration(e.target.value ? parseInt(e.target.value) : null)}
                    className="w-full bg-[#0d1117] border border-[#1f2937] text-white text-sm rounded-lg px-3 py-2.5 focus:outline-none focus:border-[#1D4ED8]"
                  >
                    {DURATION_OPTIONS.filter(d => d.value !== null).map((d) => (
                      <option key={d.value} value={d.value!}>{d.label}</option>
                    ))}
                  </select>
                </div>
              )}

              {/* Reason */}
              <div>
                <label className="block text-[#888] text-xs font-semibold uppercase tracking-wider mb-1.5">
                  Reason <span className="text-red-400">*</span>
                </label>
                <textarea
                  required
                  value={suspendReason}
                  onChange={(e) => setSuspendReason(e.target.value)}
                  placeholder="Explain the reason for this action..."
                  rows={3}
                  className="w-full bg-[#0d1117] border border-[#1f2937] text-white text-sm rounded-lg px-3 py-2.5 placeholder-[#444] focus:outline-none focus:border-[#1D4ED8] resize-none"
                />
              </div>

              <div className="bg-[#0d1117] border border-[#1f2937] rounded-lg p-3">
                <p className="text-[#555] text-xs leading-relaxed">
                  {suspendType === 'banned' ?'🚫 The user will be permanently banned and cannot post. A notification email will be sent.'
                    : `⏸ The user will be suspended for ${suspendDuration} day${suspendDuration !== 1 ? 's' : ''} and cannot post. A notification email will be sent.`}
                </p>
              </div>

              <div className="flex items-center gap-3 pt-1">
                <button
                  type="button"
                  onClick={() => setShowSuspendModal(false)}
                  className="flex-1 bg-[#1f2937] hover:bg-[#2a3a50] text-[#888] text-sm font-semibold py-2.5 rounded-lg transition-colors"
                >
                  Cancel
                </button>
                <button
                  type="submit"
                  disabled={suspending || !suspendReason.trim()}
                  className={`flex-1 disabled:opacity-50 disabled:cursor-not-allowed text-white text-sm font-semibold py-2.5 rounded-lg transition-colors flex items-center justify-center gap-2 ${
                    suspendType === 'banned' ?'bg-red-600 hover:bg-red-700' :'bg-orange-600 hover:bg-orange-700'
                  }`}
                >
                  {suspending ? (
                    <>
                      <div className="w-4 h-4 border-2 border-white/30 border-t-white rounded-full animate-spin" />
                      Processing...
                    </>
                  ) : (
                    suspendType === 'banned' ? 'Ban User' : 'Suspend User'
                  )}
                </button>
              </div>
            </form>
          </div>
        </div>
      )}

      {/* Lift Suspension Modal */}
      {showLiftModal && liftingSuspension && (
        <div className="fixed inset-0 z-50 flex items-center justify-center p-4 bg-black/70 backdrop-blur-sm">
          <div className="bg-[#111827] border border-[#1f2937] rounded-xl w-full max-w-sm shadow-2xl">
            <div className="flex items-center justify-between px-6 py-4 border-b border-[#1f2937]">
              <h2 className="text-white font-bold text-base">Lift Restriction</h2>
              <button
                onClick={() => setShowLiftModal(false)}
                className="text-[#555] hover:text-white transition-colors"
                aria-label="Close"
              >
                <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" aria-hidden="true">
                  <path d="M18 6 6 18M6 6l12 12" />
                </svg>
              </button>
            </div>
            <form onSubmit={handleLiftSuspension} className="px-6 py-5 space-y-4">
              <div className="bg-[#0d1117] rounded-lg p-3">
                <p className="text-[#888] text-xs mb-1">Lifting restriction for</p>
                <p className="text-white text-sm font-medium">{liftingSuspension.user?.full_name || liftingSuspension.user?.email}</p>
                <p className="text-[#555] text-xs mt-1">Reason: {liftingSuspension.reason}</p>
              </div>
              <div>
                <label className="block text-[#888] text-xs font-semibold uppercase tracking-wider mb-1.5">
                  Lift Reason <span className="text-[#444]">(optional)</span>
                </label>
                <textarea
                  value={liftReason}
                  onChange={(e) => setLiftReason(e.target.value)}
                  placeholder="Reason for lifting this restriction..."
                  rows={2}
                  className="w-full bg-[#0d1117] border border-[#1f2937] text-white text-sm rounded-lg px-3 py-2.5 placeholder-[#444] focus:outline-none focus:border-[#1D4ED8] resize-none"
                />
              </div>
              <div className="flex items-center gap-3 pt-1">
                <button
                  type="button"
                  onClick={() => setShowLiftModal(false)}
                  className="flex-1 bg-[#1f2937] hover:bg-[#2a3a50] text-[#888] text-sm font-semibold py-2.5 rounded-lg transition-colors"
                >
                  Cancel
                </button>
                <button
                  type="submit"
                  disabled={lifting}
                  className="flex-1 bg-green-600 hover:bg-green-700 disabled:opacity-50 text-white text-sm font-semibold py-2.5 rounded-lg transition-colors flex items-center justify-center gap-2"
                >
                  {lifting ? (
                    <>
                      <div className="w-4 h-4 border-2 border-white/30 border-t-white rounded-full animate-spin" />
                      Lifting...
                    </>
                  ) : (
                    'Lift Restriction'
                  )}
                </button>
              </div>
            </form>
          </div>
        </div>
      )}
    </div>
  );
}
