@extends('layouts.app')

@section('content')
<div class="flex-1 space-y-6">
    <div class="flex items-center gap-2 text-slate-500 text-sm mb-2">
        <a href="{{ route('dashboard') }}" class="hover:text-blue-600 cursor-pointer">Trang chủ</a>
        <i data-lucide="chevron-right" class="w-4 h-4"></i>
        <span>Quản lý Người dùng</span>
    </div>
    <div class="flex justify-between items-center">
        <h1 class="text-3xl font-bold text-slate-900">Danh sách người dùng</h1>
    </div>

    <div class="bg-white rounded-xl shadow-sm border border-slate-200 overflow-hidden">
        <div class="overflow-x-auto">
            <table class="min-w-full divide-y divide-slate-200">
                <thead class="bg-slate-50">
                    <tr>
                        <th class="px-6 py-3 text-left text-xs font-semibold text-slate-600 uppercase tracking-wider">STT</th>
                        <th class="px-6 py-3 text-left text-xs font-semibold text-slate-600 uppercase tracking-wider">Người dùng</th>
                        <th class="px-6 py-3 text-left text-xs font-semibold text-slate-600 uppercase tracking-wider">Campaign đang tham gia</th>
                    </tr>
                </thead>
                <tbody class="bg-white divide-y divide-slate-200">
                    @forelse($users as $index => $user)
                        <tr class="hover:bg-slate-50 transition-colors">
                            <td class="px-6 py-4 whitespace-nowrap text-sm text-slate-700">
                                {{ ($users->currentPage() - 1) * $users->perPage() + $index + 1 }}
                            </td>
                            <td class="px-6 py-4 whitespace-nowrap">
                                <div class="flex flex-col">
                                    <span class="text-sm font-medium text-slate-900">{{ $user->name }}</span>
                                    <span class="text-xs text-slate-500">{{ $user->email }}</span>
                                </div>
                            </td>
                            <td class="px-6 py-4">
                                <div class="flex flex-wrap gap-2">
                                    @forelse($user->campaigns as $campaign)
                                        <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-blue-100 text-blue-700 border border-blue-200 shadow-sm">
                                            <i data-lucide="tag" class="w-3 h-3 mr-1"></i>
                                            {{ $campaign->name }}
                                        </span>
                                    @empty
                                        <span class="text-xs text-slate-400 italic">Chưa tham gia campaign nào</span>
                                    @endforelse
                                </div>
                            </td>
                        </tr>
                    @empty
                        <tr>
                            <td colspan="4" class="px-6 py-10 text-center text-slate-500">Không có người dùng nào.</td>
                        </tr>
                    @endforelse
                </tbody>
            </table>
        </div>

        @if ($users->hasPages())
            <div class="px-6 py-4 border-t border-slate-200 bg-slate-50/50">
                <div class="flex flex-col sm:flex-row items-center justify-between gap-4">
                    <div class="text-sm text-slate-600">
                        Hiển thị <span class="font-semibold text-slate-900">{{ $users->firstItem() }}</span> 
                        đến <span class="font-semibold text-slate-900">{{ $users->lastItem() }}</span> 
                        trên <span class="font-semibold text-slate-900">{{ $users->total() }}</span> kết quả
                    </div>

                    <nav class="flex items-center -space-x-px shadow-sm rounded-lg" aria-label="Pagination">
                        {{-- Nút trang trước --}}
                        @if ($users->onFirstPage())
                            <span class="relative inline-flex items-center px-2 py-2 rounded-l-lg border border-slate-300 bg-white text-slate-300 cursor-not-allowed">
                                <i data-lucide="chevron-left" class="w-5 h-5"></i>
                            </span>
                        @else
                            <a href="{{ $users->previousPageUrl() }}" class="relative inline-flex items-center px-2 py-2 rounded-l-lg border border-slate-300 bg-white text-slate-500 hover:bg-slate-50 transition-colors">
                                <i data-lucide="chevron-left" class="w-5 h-5"></i>
                            </a>
                        @endif

                        {{-- Logic hiển thị số trang và dấu ba chấm --}}
                        @php
                            $start = max($users->currentPage() - 1, 1);
                            $end = min($users->currentPage() + 1, $users->lastPage());
                        @endphp

                        {{-- Trang đầu tiên và dấu ba chấm đầu --}}
                        @if($start > 1)
                            <a href="{{ $users->url(1) }}" class="relative inline-flex items-center px-4 py-2 border border-slate-300 bg-white text-sm font-medium text-slate-600 hover:bg-slate-50">1</a>
                            @if($start > 2)
                                <span class="relative inline-flex items-center px-4 py-2 border border-slate-300 bg-white text-sm font-medium text-slate-400 cursor-default">...</span>
                            @endif
                        @endif

                        {{-- Các trang ở giữa --}}
                        @for ($i = $start; $i <= $end; $i++)
                            @if ($i == $users->currentPage())
                                <span class="relative z-10 inline-flex items-center px-4 py-2 border border-blue-600 bg-blue-600 text-sm font-semibold text-white">{{ $i }}</span>
                            @else
                                <a href="{{ $users->url($i) }}" class="relative inline-flex items-center px-4 py-2 border border-slate-300 bg-white text-sm font-medium text-slate-600 hover:bg-slate-50">{{ $i }}</a>
                            @endif
                        @endfor

                        {{-- Dấu ba chấm cuối và trang cuối cùng --}}
                        @if($end < $users->lastPage())
                            @if($end < $users->lastPage() - 1)
                                <span class="relative inline-flex items-center px-4 py-2 border border-slate-300 bg-white text-sm font-medium text-slate-400 cursor-default">...</span>
                            @endif
                            <a href="{{ $users->url($users->lastPage()) }}" class="relative inline-flex items-center px-4 py-2 border border-slate-300 bg-white text-sm font-medium text-slate-600 hover:bg-slate-50">{{ $users->lastPage() }}</a>
                        @endif

                        {{-- Nút trang sau --}}
                        @if ($users->hasMorePages())
                            <a href="{{ $users->nextPageUrl() }}" class="relative inline-flex items-center px-2 py-2 rounded-r-lg border border-slate-300 bg-white text-slate-500 hover:bg-slate-50 transition-colors">
                                <i data-lucide="chevron-right" class="w-5 h-5"></i>
                            </a>
                        @else
                            <span class="relative inline-flex items-center px-2 py-2 rounded-r-lg border border-slate-300 bg-white text-slate-300 cursor-not-allowed">
                                <i data-lucide="chevron-right" class="w-5 h-5"></i>
                            </span>
                        @endif
                    </nav>
                </div>
            </div>
            @endif
    </div>
</div>
@endsection

@section('scripts')
<script>
    if (typeof lucide !== 'undefined') lucide.createIcons();
</script>
@endsection