@extends('layouts.admin')

@section('title', 'Manage Users - ' . $event->name)

@section('content')
<div class="container mx-auto px-4 sm:px-6 lg:px-8 py-6">
    <div class="max-w-7xl mx-auto">
        <!-- Header -->
        <div class="bg-white dark:bg-gray-800 shadow rounded-lg">
            <div class="px-6 py-4 border-b border-gray-200 dark:border-gray-700 flex justify-between items-center">
                <h3 class="text-lg font-medium text-gray-900 dark:text-gray-100">Manage Users for Event</h3>
                <a href="{{ route('admin.events.index') }}" class="btn btn-light btn-md">
                    Back to Events
                </a>
            </div>
            
            <div class="p-6">
                <!-- Event Information -->
                <div class="grid grid-cols-1 lg:grid-cols-3 gap-6 mb-6">
                    <div class="lg:col-span-2">
                        <h4 class="text-xl font-semibold text-gray-900 dark:text-gray-100 mb-2">{{ $event->name }}</h4>
                        @if($event->description)
                            <p class="text-gray-600 dark:text-gray-400 mb-3">{{ strip_tags($event->description) }}</p>
                        @endif
                        <div class="flex flex-wrap gap-3">
                            @if($event->location)
                                <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-blue-100 text-blue-800 dark:bg-blue-900 dark:text-blue-200">
                                    📍 {{ $event->location }}
                                </span>
                            @endif
                            @if($event->start_date)
                                <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-indigo-100 text-indigo-800 dark:bg-indigo-900 dark:text-indigo-200">
                                    📅 {{ $event->start_date->format('M j, Y g:i A') }}
                                </span>
                            @endif
                            <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-gray-100 text-gray-800 dark:bg-gray-900 dark:text-gray-200">
                                👥 {{ $event->users->count() }} users
                            </span>
                        </div>
                    </div>
                    <div class="lg:text-right space-y-3">
                        <a href="{{ route('admin.events.registration-links', $event) }}" class="btn btn-primary btn-sm w-full lg:w-auto">
                            Registration Links
                        </a>
                        <a href="{{ route('admin.events.show', $event) }}" class="btn btn-secondary btn-sm w-full lg:w-auto">
                            View Event Details
                        </a>
                    </div>
                </div>

                @if(session('success'))
                    <div class="bg-green-50 border border-green-200 text-green-700 px-4 py-3 rounded-md mb-6" role="alert">
                        <div class="flex">
                            <div class="flex-shrink-0">
                                <svg class="h-5 w-5 text-green-400" 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>
                            </div>
                            <div class="ml-3">
                                <p class="text-sm">{{ session('success') }}</p>
                            </div>
                        </div>
                    </div>
                @endif

                <!-- User Association Form -->
                <form method="POST" action="{{ route('admin.events.update-users', $event) }}">
                    @csrf
                    @method('PUT')
                    
                    <div class="flex flex-col sm:flex-row sm:items-center sm:justify-between mb-6">
                        <div>
                            <h5 class="text-lg font-medium text-gray-900 dark:text-gray-100">Available Users from {{ $event->client->name }}</h5>
                            <p class="text-sm text-gray-600 dark:text-gray-400">Select users to associate with this event:</p>
                        </div>
                        <div class="flex space-x-3 mt-3 sm:mt-0">
                            <button type="button" 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 dark:bg-gray-700 dark:text-gray-300 dark:border-gray-600 dark:hover:bg-gray-600" onclick="selectAll()">
                                Select All
                            </button>
                            <button type="button" 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 dark:bg-gray-700 dark:text-gray-300 dark:border-gray-600 dark:hover:bg-gray-600" onclick="selectNone()">
                                Select None
                            </button>
                        </div>
                    </div>

                    @if($clientUsers->count() > 0)
                        <div class="bg-white dark:bg-gray-800 shadow overflow-hidden rounded-lg">
                            <div class="overflow-x-auto">
                                <table class="min-w-full divide-y divide-gray-200 dark:divide-gray-700">
                                    <thead class="bg-gray-50 dark:bg-gray-700">
                                        <tr>
                                            <th scope="col" class="w-12 px-6 py-3 text-left text-xs font-medium text-gray-500 dark:text-gray-300 uppercase tracking-wider">
                                                <input type="checkbox" id="select-all" onchange="toggleAll(this)" class="h-4 w-4 text-blue-600 focus:ring-blue-500 border-gray-300 rounded">
                                            </th>
                                            <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 dark:text-gray-300 uppercase tracking-wider">Name</th>
                                            <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 dark:text-gray-300 uppercase tracking-wider">Email</th>
                                            <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 dark:text-gray-300 uppercase tracking-wider">Role</th>
                                            <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 dark:text-gray-300 uppercase tracking-wider">Joined Client</th>
                                            <th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 dark:text-gray-300 uppercase tracking-wider">Current Status</th>
                                        </tr>
                                    </thead>
                                    <tbody class="bg-white dark:bg-gray-800 divide-y divide-gray-200 dark:divide-gray-700">
                                        @foreach($clientUsers as $user)
                                            <tr class="hover:bg-gray-50 dark:hover:bg-gray-700">
                                                <td class="px-6 py-4 whitespace-nowrap">
                                                    <input type="checkbox" 
                                                           name="user_ids[]" 
                                                           value="{{ $user->id }}"
                                                           class="user-checkbox h-4 w-4 text-blue-600 focus:ring-blue-500 border-gray-300 rounded"
                                                           {{ in_array($user->id, $eventUserIds) ? 'checked' : '' }}>
                                                </td>
                                                <td class="px-6 py-4 whitespace-nowrap">
                                                    <div class="flex items-center">
                                                        <div>
                                                            <div class="text-sm font-medium text-gray-900 dark:text-gray-100">{{ $user->name }}</div>
                                                            @if($user->is_admin)
                                                                <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-yellow-100 text-yellow-800 dark:bg-yellow-900 dark:text-yellow-200">Admin</span>
                                                            @endif
                                                        </div>
                                                    </div>
                                                </td>
                                                <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-900 dark:text-gray-100">{{ $user->email }}</td>
                                                <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-900 dark:text-gray-100">
                                                    @php
                                                        $clientAssociation = $user->clients->first();
                                                    @endphp
                                                    {{ $clientAssociation ? ucfirst($clientAssociation->pivot->role_in_client) : 'N/A' }}
                                                </td>
                                                <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-900 dark:text-gray-100">
                                                    {{ $clientAssociation ? \Carbon\Carbon::parse($clientAssociation->pivot->joined_at)->format("M j, Y") : 'N/A' }}
                                                </td>
                                                <td class="px-6 py-4 whitespace-nowrap">
                                                    @if(in_array($user->id, $eventUserIds))
                                                        <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-green-100 text-green-800 dark:bg-green-900 dark:text-green-200">Associated</span>
                                                    @else
                                                        <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-gray-100 text-gray-800 dark:bg-gray-900 dark:text-gray-200">Not Associated</span>
                                                    @endif
                                                </td>
                                            </tr>
                                        @endforeach
                                    </tbody>
                                </table>
                            </div>
                        </div>

                        <div class="flex flex-col sm:flex-row sm:items-center sm:justify-between mt-6">
                            <div class="text-sm text-gray-600 dark:text-gray-400 mb-4 sm:mb-0">
                                <strong>{{ $clientUsers->count() }}</strong> total users available
                                <br>
                                <strong>{{ count($eventUserIds) }}</strong> currently associated with this event
                            </div>
                            <button type="submit" class="btn btn-success btn-md">
                                Update User Associations
                            </button>
                        </div>
                    @else
                        <div class="bg-blue-50 border border-blue-200 rounded-md p-6">
                            <div class="flex">
                                <div class="flex-shrink-0">
                                    <svg class="h-5 w-5 text-blue-400" fill="currentColor" viewBox="0 0 20 20">
                                        <path fill-rule="evenodd" d="M18 10a8 8 0 11-16 0 8 8 0 0116 0zm-7-4a1 1 0 11-2 0 1 1 0 012 0zM9 9a1 1 0 000 2v3a1 1 0 001 1h1a1 1 0 100-2v-3a1 1 0 00-1-1H9z" clip-rule="evenodd"></path>
                                    </svg>
                                </div>
                                <div class="ml-3">
                                    <h3 class="text-sm font-medium text-blue-800">No Users Available</h3>
                                    <div class="mt-2 text-sm text-blue-700">
                                        <p>There are no users associated with the client "{{ $event->client->name }}" yet.</p>
                                        <p class="mt-1">Users need to be associated with the client before they can be assigned to specific events.</p>
                                    </div>
                                </div>
                            </div>
                        </div>
                    @endif
                </form>
            </div>
        </div>
    </div>
</div>

<script>
function selectAll() {
    const checkboxes = document.querySelectorAll('.user-checkbox');
    checkboxes.forEach(checkbox => checkbox.checked = true);
    document.getElementById('select-all').checked = true;
}

function selectNone() {
    const checkboxes = document.querySelectorAll('.user-checkbox');
    checkboxes.forEach(checkbox => checkbox.checked = false);
    document.getElementById('select-all').checked = false;
}

function toggleAll(selectAllCheckbox) {
    const checkboxes = document.querySelectorAll('.user-checkbox');
    checkboxes.forEach(checkbox => checkbox.checked = selectAllCheckbox.checked);
}
</script>
@endsection