@extends('admin.layout')

@section('content')
<div class="max-w-full mx-auto">
    <!-- Header -->
    <div class="flex justify-between items-center mb-6">
        <div>
            <h1 class="text-3xl font-bold text-gray-800">Subject Registrations</h1>
            <p class="text-gray-600">Manage and view all student registrations for subjects.</p>
        </div>
        <!-- Убрана кнопка Export -->
    </div>

    <!-- Filters -->
    <div class="bg-white rounded-lg shadow p-6 mb-6">
        <h2 class="text-lg font-semibold text-gray-800 mb-4">Filters</h2>
        <form method="GET" action="{{ route('admin.registrations.index') }}" id="filterForm">
            <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4">
                <div>
                    <label for="subject" class="block text-sm font-medium text-gray-700 mb-1">Subject</label>
                    <select name="subject" id="subject" class="w-full rounded-lg border-gray-300 shadow-sm focus:border-indigo-500 focus:ring focus:ring-indigo-500 focus:ring-opacity-50">
                        <option value="">All Subjects</option>
                        @foreach($subjects as $subj)
                            <option value="{{ $subj->id }}" {{ request('subject') == $subj->id ? 'selected' : '' }}>
                                {{ $subj->name }}
                            </option>
                        @endforeach
                    </select>
                </div>
                <div>
                    <label for="level" class="block text-sm font-medium text-gray-700 mb-1">Competition Level</label>
                    <input type="text" name="level" id="level" value="{{ request('level') }}" placeholder="Filter by level..." class="w-full rounded-lg border-gray-300 shadow-sm focus:border-indigo-500 focus:ring focus:ring-indigo-500 focus:ring-opacity-50">
                </div>
                <div>
                    <label for="payment_status" class="block text-sm font-medium text-gray-700 mb-1">Payment Status</label>
                    <select name="payment_status" id="payment_status" class="w-full rounded-lg border-gray-300 shadow-sm focus:border-indigo-500 focus:ring focus:ring-indigo-500 focus:ring-opacity-50">
                        <option value="">All Statuses</option>
                        @foreach($paymentStatuses as $status)
                            <option value="{{ $status }}" {{ request('payment_status') == $status ? 'selected' : '' }}>
                                {{ ucfirst($status) }}
                            </option>
                        @endforeach
                    </select>
                </div>
                <div>
                    <label for="search" class="block text-sm font-medium text-gray-700 mb-1">Search Student</label>
                    <input type="text" name="search" id="search" value="{{ request('search') }}" placeholder="Name or Email..." class="w-full rounded-lg border-gray-300 shadow-sm focus:border-indigo-500 focus:ring focus:ring-indigo-500 focus:ring-opacity-50">
                </div>
            </div>
            <div class="mt-4 flex space-x-3">
                <button type="submit" class="bg-indigo-600 hover:bg-indigo-700 text-white px-4 py-2 rounded-lg">
                    Apply Filters
                </button>
                <a href="{{ route('admin.registrations.index') }}" class="bg-gray-500 hover:bg-gray-600 text-white px-4 py-2 rounded-lg">
                    Reset
                </a>
            </div>
        </form>
    </div>

    <!-- Registrations Table -->
    <div class="bg-white rounded-lg shadow overflow-hidden">
        <table class="min-w-full divide-y divide-gray-200">
            <thead class="bg-gray-50">
                <tr>
                    <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Student</th>
                    <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Subject</th>
                    <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Level</th>
                    <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Status</th>
                    <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Registered At</th>
                    <th scope="col" class="px-6 py-3 text-right text-xs font-medium text-gray-500 uppercase tracking-wider">Actions</th>
                </tr>
            </thead>
            <tbody class="bg-white divide-y divide-gray-200">
                @forelse($registrations as $registration)
                    <tr class="hover:bg-gray-50">
                        <td class="px-6 py-4 whitespace-nowrap">
                            <div class="text-sm font-medium text-gray-900">{{ $registration->user->first_name }} {{ $registration->user->last_name }}</div>
                            <div class="text-sm text-gray-500">{{ $registration->user->email }}</div>
                        </td>
                        <td class="px-6 py-4 whitespace-nowrap">
                            <div class="text-sm text-gray-900">{{ $registration->subject->name }}</div>
                        </td>
                        <td class="px-6 py-4 whitespace-nowrap">
                            <div class="text-sm text-gray-900">{{ $registration->competitionLevel->name }}</div>
                        </td>
                        <td class="px-6 py-4 whitespace-nowrap">
                            <span class="px-2 inline-flex text-xs leading-5 font-semibold rounded-full
                                {{ $registration->payment_status === 'completed' ? 'bg-green-100 text-green-800' :
                                   ($registration->payment_status === 'pending' ? 'bg-yellow-100 text-yellow-800' :
                                   ($registration->payment_status === 'failed' ? 'bg-red-100 text-red-800' : 'bg-gray-100 text-gray-800')) }}">
                                {{ ucfirst($registration->payment_status) }}
                            </span>
                        </td>
                        <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500">
                            {{ $registration->registered_at->format('Y-m-d H:i:s') }}
                        </td>
                        <td class="px-6 py-4 whitespace-nowrap text-right text-sm font-medium">
                            <a href="{{ route('admin.registrations.show', $registration) }}" class="text-indigo-600 hover:text-indigo-900 mr-2">View</a>
                        </td>
                    </tr>
                @empty
                    <tr>
                        <td colspan="6" class="px-6 py-4 text-center text-sm text-gray-500">
                            No registrations found matching the current filters.
                        </td>
                    </tr>
                @endforelse
            </tbody>
        </table>
        <!-- Pagination -->
        <div class="px-6 py-4 bg-white border-t border-gray-200">
            {{ $registrations->appends(request()->query())->links() }}
        </div>
    </div>
</div>

<script>
    // Optional: Add JavaScript for enhanced filtering UX if needed
    document.addEventListener('DOMContentLoaded', function() {
        const filterForm = document.getElementById('filterForm');
        if (filterForm) {
            // Example: Debounced search input
            const searchInput = filterForm.querySelector('input[name="search"]');
            if (searchInput) {
                let searchTimeout;
                searchInput.addEventListener('input', function() {
                    clearTimeout(searchTimeout);
                    searchTimeout = setTimeout(() => {
                        filterForm.submit();
                    }, 500); // Delay in milliseconds
                });
            }
        }
    });
</script>

@endsection