@extends('layouts.app')

@section('title', 'questions Management')

@section('content')
<div class="min-h-screen bg-gray-50 py-8">
    <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
        <!-- Header Section -->
        <div class="mb-8">
            <div class="flex flex-col sm:flex-row sm:items-center sm:justify-between">
                <div>
                    <h1 class="text-3xl font-bold text-gray-900">questions Management</h1>
                    <p class="mt-2 text-sm text-gray-600">Manage all questions across subjects and topics</p>
                </div>
                <a href="{{ route('questions.create') }}" 
                   class="mt-4 sm:mt-0 inline-flex items-center px-4 py-2 bg-blue-600 border border-transparent rounded-md font-semibold text-xs text-white uppercase tracking-widest hover:bg-blue-700 focus:bg-blue-700 active:bg-blue-800 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2 transition ease-in-out duration-150">
                    <svg class="w-4 h-4 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4v16m8-8H4"></path>
                    </svg>
                    Add New question
                </a>
            </div>
        </div>

        <!-- Success Message -->
        @if(session('success'))
            <div class="mb-6 p-4 bg-green-50 border border-green-200 rounded-lg flex items-center">
                <svg class="w-5 h-5 text-green-600 mr-3" fill="currentColor" viewBox="0 0 20 20">
                    <path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zm3.707-9.293a1 1 0 00-1.414-1.414L9 10.586 7.707 9.293a1 1 0 00-1.414 1.414l2 2a1 1 0 001.414 0l4-4z" clip-rule="evenodd"></path>
                </svg>
                <span class="text-green-800 font-medium">{{ session('success') }}</span>
            </div>
        @endif

        <!-- Stats Cards -->
        <div class="grid grid-cols-1 md:grid-cols-4 gap-6 mb-8">
            <div class="bg-white overflow-hidden shadow-sm rounded-lg">
                <div class="p-5">
                    <div class="flex items-center">
                        <div class="flex-shrink-0">
                            <svg class="w-8 h-8 text-blue-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z"></path>
                            </svg>
                        </div>
                        <div class="ml-5 w-0 flex-1">
                            <dl>
                                <dt class="text-sm font-medium text-gray-500 truncate">Total questions</dt>
                                <dd class="text-lg font-medium text-gray-900">{{ $questions->total() }}</dd>
                            </dl>
                        </div>
                    </div>
                </div>
            </div>

            <div class="bg-white overflow-hidden shadow-sm rounded-lg">
                <div class="p-5">
                    <div class="flex items-center">
                        <div class="flex-shrink-0">
                            <svg class="w-8 h-8 text-green-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18.477 18.247 18 16.5 18c-1.746 0-3.332.477-4.5 1.253"></path>
                            </svg>
                        </div>
                        <div class="ml-5 w-0 flex-1">
                            <dl>
                                <dt class="text-sm font-medium text-gray-500 truncate">Subjects</dt>
                                <dd class="text-lg font-medium text-gray-900">{{ $subjectsCount ?? 'N/A' }}</dd>
                            </dl>
                        </div>
                    </div>
                </div>
            </div>

            <div class="bg-white overflow-hidden shadow-sm rounded-lg">
                <div class="p-5">
                    <div class="flex items-center">
                        <div class="flex-shrink-0">
                            <svg class="w-8 h-8 text-purple-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M7 8h10M7 12h4m1 8l-4-4H5a2 2 0 01-2-2V6a2 2 0 012-2h14a2 2 0 012 2v8a2 2 0 01-2 2h-3l-4 4z"></path>
                            </svg>
                        </div>
                        <div class="ml-5 w-0 flex-1">
                            <dl>
                                <dt class="text-sm font-medium text-gray-500 truncate">Topics</dt>
                                <dd class="text-lg font-medium text-gray-900">{{ $topicsCount ?? 'N/A' }}</dd>
                            </dl>
                        </div>
                    </div>
                </div>
            </div>

            <div class="bg-white overflow-hidden shadow-sm rounded-lg">
                <div class="p-5">
                    <div class="flex items-center">
                        <div class="flex-shrink-0">
                            <svg class="w-8 h-8 text-orange-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8.228 9c.549-1.165 2.03-2 3.772-2 2.21 0 4 1.343 4 3 0 1.4-1.278 2.575-3.006 2.907-.542.104-.994.54-.994 1.093m0 3h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"></path>
                            </svg>
                        </div>
                        <div class="ml-5 w-0 flex-1">
                            <dl>
                                <dt class="text-sm font-medium text-gray-500 truncate">This Page</dt>
                                <dd class="text-lg font-medium text-gray-900">{{ $questions->count() }}</dd>
                            </dl>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <!-- questions Table -->
        <div class="bg-white shadow-sm rounded-lg overflow-hidden">
            <div class="px-6 py-4 border-b border-gray-200">
                <div class="flex flex-col sm:flex-row sm:items-center sm:justify-between">
                    <div>
                        <h2 class="text-lg font-medium text-gray-900">All questions</h2>
                        <p class="mt-1 text-sm text-gray-500">Showing {{ $questions->firstItem() ?? 0 }}-{{ $questions->lastItem() ?? 0 }} of {{ $questions->total() }} questions</p>
                    </div>
                    
                    <!-- Search and Filters (Optional) -->
                    <div class="mt-3 sm:mt-0 flex space-x-3">
                        <input type="text" 
                               placeholder="Search questions..." 
                               class="block w-full sm:w-64 px-3 py-2 border border-gray-300 rounded-md shadow-sm placeholder-gray-400 focus:outline-none focus:ring-blue-500 focus:border-blue-500 text-sm">
                    </div>
                </div>
            </div>

            @if($questions->count() > 0)
                <div class="overflow-x-auto">
                    <table class="min-w-full divide-y divide-gray-200">
                        <thead class="bg-gray-50">
                            <tr>
                                <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                                    Question
                                </th>
                                <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                                    Topic & Subject
                                </th>
                                <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                                    ID
                                </th>
                                <th scope="col" class="px-6 py-3 text-right text-xs font-medium text-gray-500 uppercase tracking-wider">
                                    Actions
                                </th>
                            </tr>
                        </thead>
                        <tbody class="bg-white divide-y divide-gray-200">
                            @foreach($questions as $question)
                                <tr class="hover:bg-gray-50 transition-colors duration-150">
                                    <td class="px-6 py-4 whitespace-nowrap">
                                        <div class="flex items-center">
                                            <div class="flex-shrink-0 h-10 w-10 bg-blue-100 rounded-lg flex items-center justify-center">
                                                <svg class="h-6 w-6 text-blue-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8.228 9c.549-1.165 2.03-2 3.772-2 2.21 0 4 1.343 4 3 0 1.4-1.278 2.575-3.006 2.907-.542.104-.994.54-.994 1.093m0 3h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"></path>
                                                </svg>
                                            </div>
                                            <div class="ml-4">
                                                <div class="text-sm font-medium text-gray-900 line-clamp-2">
                                                    {{ Str::limit($question->question, 80) }}
                                                </div>
                                                <div class="text-xs text-gray-500 mt-1">
                                                    Created {{ $question->created_at->diffForHumans() }}
                                                </div>
                                            </div>
                                        </div>
                                    </td>
                                    <td class="px-6 py-4 whitespace-nowrap">
                                        <div class="text-sm text-gray-900 font-medium">{{ $question->topic->name }}</div>
                                        <div class="text-xs text-gray-500 flex items-center mt-1">
                                            <svg class="w-3 h-3 mr-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18.477 18.247 18 16.5 18c-1.746 0-3.332.477-4.5 1.253"></path>
                                            </svg>
                                            {{ $question->topic->subject->name }}
                                        </div>
                                    </td>
                                    <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500">
                                        #{{ $question->id }}
                                    </td>
                                    <td class="px-6 py-4 whitespace-nowrap text-right text-sm font-medium">
                                        <div class="flex justify-end space-x-2">
                                            <a href="{{ route('questions.edit', $question) }}" 
                                               class="inline-flex items-center px-3 py-2 border border-gray-300 shadow-sm text-sm leading-4 font-medium rounded-md text-gray-700 bg-white hover:bg-gray-50 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500 transition-colors duration-150">
                                                <svg class="w-4 h-4 mr-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z"></path>
                                                </svg>
                                                Edit
                                            </a>
                                            <form action="{{ route('questions.destroy', $question) }}" method="POST" class="inline">
                                                @csrf
                                                @method('DELETE')
                                                <button type="button" 
                                                        onclick="confirmDelete('{{ $question->id }}', '{{ addslashes(Str::limit($question->question, 50)) }}')"
                                                        class="inline-flex items-center px-3 py-2 border border-transparent text-sm leading-4 font-medium rounded-md text-white bg-red-600 hover:bg-red-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-red-500 transition-colors duration-150">
                                                    <svg class="w-4 h-4 mr-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"></path>
                                                    </svg>
                                                    Delete
                                                </button>
                                            </form>
                                        </div>
                                    </td>
                                </tr>
                            @endforeach
                        </tbody>
                    </table>
                </div>
            @else
                <!-- Empty State -->
                <div class="text-center py-12">
                    <svg class="mx-auto h-12 w-12 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8.228 9c.549-1.165 2.03-2 3.772-2 2.21 0 4 1.343 4 3 0 1.4-1.278 2.575-3.006 2.907-.542.104-.994.54-.994 1.093m0 3h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"></path>
                    </svg>
                    <h3 class="mt-2 text-sm font-medium text-gray-900">No questions</h3>
                    <p class="mt-1 text-sm text-gray-500">Get started by creating your first question.</p>
                    <div class="mt-6">
                        <a href="{{ route('questions.create') }}" 
                           class="inline-flex items-center px-4 py-2 border border-transparent shadow-sm text-sm font-medium rounded-md text-white bg-blue-600 hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500">
                            <svg class="w-4 h-4 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4v16m8-8H4"></path>
                            </svg>
                            Add question
                        </a>
                    </div>
                </div>
            @endif
        </div>

        <!-- Pagination -->
        @if($questions->hasPages())
            <div class="mt-6">
                {{ $questions->links() }}
            </div>
        @endif
    </div>
</div>

<!-- Delete Confirmation Modal -->
<div id="deleteModal" class="fixed inset-0 bg-gray-600 bg-opacity-50 overflow-y-auto h-full w-full hidden z-50">
    <div class="relative top-20 mx-auto p-5 border w-96 shadow-lg rounded-md bg-white">
        <div class="mt-3 text-center">
            <div class="mx-auto flex items-center justify-center h-12 w-12 rounded-full bg-red-100">
                <svg class="h-6 w-6 text-red-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-2.5L13.732 4c-.77-.833-1.964-.833-2.732 0L4.35 16.5c-.77.833.192 2.5 1.732 2.5z"></path>
                </svg>
            </div>
            <h3 class="text-lg leading-6 font-medium text-gray-900 mt-2">Delete question</h3>
            <div class="mt-2 px-7 py-3">
                <p class="text-sm text-gray-500">
                    Are you sure you want to delete this question?
                </p>
                <p id="questionQuestion" class="text-sm font-medium text-gray-900 mt-2"></p>
                <p class="text-xs text-red-600 mt-2">This action cannot be undone.</p>
            </div>
            <div class="flex justify-center space-x-3 mt-4">
                <button onclick="closeDeleteModal()"
                        class="px-4 py-2 bg-gray-300 text-gray-700 text-sm font-medium rounded-md hover:bg-gray-400 focus:outline-none focus:ring-2 focus:ring-gray-500 transition-colors duration-150">
                    Cancel
                </button>
                <form id="deleteForm" method="POST" class="inline">
                    @csrf 
                    @method('DELETE')
                    <button type="submit"
                            class="px-4 py-2 bg-red-600 text-white text-sm font-medium rounded-md hover:bg-red-700 focus:outline-none focus:ring-2 focus:ring-red-500 transition-colors duration-150">
                        Yes, Delete question
                    </button>
                </form>
            </div>
        </div>
    </div>
</div>

<script>
function confirmDelete(questionId, question) {
    const modal = document.getElementById('deleteModal');
    const questionQuestion = document.getElementById('questionQuestion');
    const deleteForm = document.getElementById('deleteForm');
    
    questionQuestion.textContent = `"${question}"`;
    deleteForm.action = `{{ url('questions') }}/${questionId}`;
    modal.classList.remove('hidden');
}

function closeDeleteModal() {
    document.getElementById('deleteModal').classList.add('hidden');
}

// Close modal when clicking outside
window.onclick = function(event) {
    const modal = document.getElementById('deleteModal');
    if (event.target === modal) {
        closeDeleteModal();
    }
}

// Add line-clamp utility if not present
const style = document.createElement('style');
style.textContent = `
    .line-clamp-2 {
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
`;
document.head.appendChild(style);
</script>

<style>
/* Custom scrollbar for table */
.overflow-x-auto::-webkit-scrollbar {
    height: 8px;
}

.overflow-x-auto::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.overflow-x-auto::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

.overflow-x-auto::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Smooth transitions */
.transition-colors {
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out;
}
</style>
@endsection