@extends('layouts.app')

@section('title', 'External Employees Management')

@section('content')
<div class="space-y-6">
    <!-- Page Header -->
    <div class="bg-white rounded-lg shadow p-6">
        <div class="flex flex-col sm:flex-row sm:items-center sm:justify-between">
            <div>
                <h1 class="text-2xl font-bold text-gray-900">External Employees Management</h1>
                <p class="mt-1 text-sm text-gray-500">Manage external contract employees and vendors</p>
            </div>
            <div class="mt-4 sm:mt-0 flex space-x-3">
                <button onclick="exportEmployees()" class="px-4 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700 transition-colors duration-200">
                    <i class="fas fa-download mr-2"></i>Export
                </button>
                <button onclick="refreshExternalData()" class="px-4 py-2 bg-green-600 text-white rounded-lg hover:bg-green-700 transition-colors duration-200">
                    <i class="fas fa-sync mr-2"></i>Refresh Data
                </button>
                <a href="{{ route('employees.local') }}" class="px-4 py-2 bg-purple-600 text-white rounded-lg hover:bg-purple-700 transition-colors duration-200">
                    <i class="fas fa-users mr-2"></i>View Local Employees
                </a>
            </div>
        </div>
    </div>

    <!-- Filters -->
    <div class="bg-white rounded-lg shadow p-6">
        <div class="flex items-center mb-4">
            <i class="fas fa-filter text-gray-400 mr-2"></i>
            <h2 class="text-lg font-semibold text-gray-900">Filters</h2>
        </div>
        <form method="GET" action="{{ route('employees.external') }}">
            <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
                <div>
                    <label for="department_filter" class="block text-sm font-medium text-gray-700 mb-2">
                        <i class="fas fa-building text-gray-400 mr-1"></i> Department
                    </label>
                    <select id="department_filter" name="department_id" class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 transition-colors">
                        <option value="">All Departments</option>
                        @foreach($departments ?? [] as $department)
                            <option value="{{ $department->id }}" {{ request('department_id') == $department->id ? 'selected' : '' }}>{{ $department->name }}</option>
                        @endforeach
                    </select>
                </div>
                <div>
                    <label for="designation_filter" class="block text-sm font-medium text-gray-700 mb-2">
                        <i class="fas fa-briefcase text-gray-400 mr-1"></i> Designation
                    </label>
                    <select id="designation_filter" name="designation_id" class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 transition-colors">
                        <option value="">All Designations</option>
                        @foreach($designations ?? [] as $designation)
                            <option value="{{ $designation->id }}" {{ request('designation_id') == $designation->id ? 'selected' : '' }}>{{ $designation->name }}</option>
                        @endforeach
                    </select>
                </div>
                <div>
                    <label for="search_filter" class="block text-sm font-medium text-gray-700 mb-2">
                        <i class="fas fa-search text-gray-400 mr-1"></i> Search
                    </label>
                    <input type="text" id="search_filter" name="search" value="{{ request('search') }}" placeholder="Search by name, email, or company..." class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 transition-colors">
                </div>
            </div>
            <div class="mt-4 flex justify-between items-center">
                <button type="submit" class="px-4 py-2 bg-blue-600 text-white text-sm font-medium rounded-lg hover:bg-blue-700 transition-colors duration-200">
                    <i class="fas fa-search mr-2"></i> Apply Filters
                </button>
                @if(request()->hasAny(['department_id', 'designation_id', 'search']))
                    <a href="{{ route('employees.external') }}" class="inline-flex items-center text-sm text-gray-600 hover:text-gray-900">
                        <i class="fas fa-times mr-1"></i> Clear all filters
                    </a>
                @endif
            </div>
        </form>
    </div>

    <!-- Summary Cards -->
    <div class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-4 sm:gap-6">
        <div class="bg-white rounded-lg shadow p-4 sm:p-6">
            <div class="flex items-center">
                <div class="flex-shrink-0 bg-blue-100 rounded-lg p-2 sm:p-3">
                    <i class="fas fa-globe text-blue-600 text-lg sm:text-xl"></i>
                </div>
                <div class="ml-3 sm:ml-5 w-0 flex-1">
                    <p class="text-xs sm:text-sm font-medium text-gray-500 truncate">Total External Employees</p>
                    <p class="text-lg sm:text-lg font-medium text-gray-900">{{ $externalEmployeesPaginated->total() }}</p>
                </div>
            </div>
        </div>
        <div class="bg-white rounded-lg shadow p-4 sm:p-6">
            <div class="flex items-center">
                <div class="flex-shrink-0 bg-green-100 rounded-lg p-2 sm:p-3">
                    <i class="fas fa-user-check text-green-600 text-lg sm:text-xl"></i>
                </div>
                <div class="ml-3 sm:ml-5 w-0 flex-1">
                    <p class="text-xs sm:text-sm font-medium text-gray-500 truncate">Active Contracts</p>
                    <p class="text-lg sm:text-lg font-medium text-gray-900">{{ $externalActiveCount ?? 0 }}</p>
                </div>
            </div>
        </div>
        <div class="bg-white rounded-lg shadow p-4 sm:p-6">
            <div class="flex items-center">
                <div class="flex-shrink-0 bg-yellow-100 rounded-lg p-2 sm:p-3">
                    <i class="fas fa-user-times text-yellow-600 text-lg sm:text-xl"></i>
                </div>
                <div class="ml-3 sm:ml-5 w-0 flex-1">
                    <p class="text-xs sm:text-sm font-medium text-gray-500 truncate">Inactive Contracts</p>
                    <p class="text-lg sm:text-lg font-medium text-gray-900">{{ $externalInactiveCount ?? 0 }}</p>
                </div>
            </div>
        </div>
        <div class="bg-white rounded-lg shadow p-4 sm:p-6">
            <div class="flex items-center">
                <div class="flex-shrink-0 bg-orange-100 rounded-lg p-2 sm:p-3">
                    <i class="fas fa-exclamation-triangle text-orange-600 text-lg sm:text-xl"></i>
                </div>
                <div class="ml-3 sm:ml-5 w-0 flex-1">
                    <p class="text-xs sm:text-sm font-medium text-gray-500 truncate">Expiring Soon</p>
                    <p class="text-lg sm:text-lg font-medium text-gray-900">{{ $externalExpiringCount ?? 0 }}</p>
                </div>
            </div>
        </div>
    </div>

    <!-- External Employees Table -->
    <div class="bg-white rounded-lg shadow overflow-hidden">
        <div class="overflow-x-auto">
            <table class="min-w-full divide-y divide-gray-200">
                <thead class="bg-gray-50">
                    <tr>
                        <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Employee Name</th>
                        <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider hidden md:table-cell">Company</th>
                        <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider hidden lg:table-cell">Position</th>
                        <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider hidden sm:table-cell">Email</th>
                        <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider hidden lg:table-cell">Phone</th>
                        <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider hidden md:table-cell">Contract Period</th>
                        <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Status</th>
                        <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Actions</th>
                    </tr>
                </thead>
                <tbody class="bg-white divide-y divide-gray-200">
                    @forelse($externalEmployeesPaginated ?? [] as $employee)
                        <tr class="hover:bg-gray-50">
                            <td class="px-3 sm:px-4 py-3 sm:py-4 whitespace-nowrap">
                                <div class="flex items-center">
                                    <img class="h-8 w-8 rounded-full mr-2 flex-shrink-0" src="{{ $employee->avatar ?? 'https://ui-avatars.com/api/?name=' . urlencode($employee->full_name ?? '') }}" alt="{{ $employee->full_name }}">
                                    <div class="min-w-0 flex-1">
                                        <div class="text-sm font-medium text-gray-900 truncate">{{ $employee->full_name ?? $employee->first_name . ' ' . $employee->last_name }}</div>
                                        <div class="text-xs text-gray-500">{{ $employee->employee_code ?? '' }}</div>
                                    </div>
                                </div>
                            </td>
                            <td class="px-3 sm:px-4 py-3 sm:py-4 whitespace-nowrap text-sm text-gray-900 hidden md:table-cell" title="{{ $employee->company_name ?? '-' }}">
                                <span class="truncate block max-w-[100px] sm:max-w-[120px]">{{ $employee->company_name ?? '-' }}</span>
                            </td>
                            <td class="px-3 sm:px-4 py-3 sm:py-4 whitespace-nowrap text-sm text-gray-900 hidden lg:table-cell" title="{{ $employee->position ?? '-' }}">
                                <span class="truncate block max-w-[100px] sm:max-w-[120px]">{{ $employee->position ?? '-' }}</span>
                            </td>
                            <td class="px-3 sm:px-4 py-3 sm:py-4 whitespace-nowrap text-sm text-gray-900 hidden sm:table-cell">
                                <span class="truncate block max-w-[120px] sm:max-w-[150px]" title="{{ $employee->email }}">
                                    {{ $employee->email }}
                                </span>
                            </td>
                            <td class="px-3 sm:px-4 py-3 sm:py-4 whitespace-nowrap text-sm text-gray-900 hidden lg:table-cell">{{ $employee->phone ?? '-' }}</td>
                            <td class="px-3 sm:px-4 py-3 sm:py-4 whitespace-nowrap text-sm text-gray-900 hidden md:table-cell">
                                @if($employee->contract_start_date && $employee->contract_end_date)
                                    @php
                                        $startDate = $employee->contract_start_date;
                                        $endDate = $employee->contract_end_date;
                                        if (is_string($startDate)) $startDate = \Carbon\Carbon::parse($startDate);
                                        if (is_string($endDate)) $endDate = \Carbon\Carbon::parse($endDate);
                                    @endphp
                                    <div class="text-xs">
                                        <div>{{ $startDate->format('M d, Y') ?? '' }}</div>
                                        <div class="text-gray-500">to {{ $endDate->format('M d, Y') ?? '-' }}</div>
                                    </div>
                                @else
                                    -
                                @endif
                            </td>
                            <td class="px-3 sm:px-4 py-3 sm:py-4 whitespace-nowrap">
                                @php
                                    $statusClass = 'secondary';
                                    $statusName = 'unknown';
                                    if (is_object($employee->status)) {
                                        $statusName = $employee->status->name ?? 'unknown';
                                        $statusClass = $employee->status->class ?? 'secondary';
                                    } elseif (is_array($employee->status)) {
                                        $statusName = $employee->status['name'] ?? 'unknown';
                                        $statusClass = $employee->status['class'] ?? 'secondary';
                                    }
                                @endphp
                                <span class="px-2 py-1 inline-flex text-xs leading-5 font-semibold rounded-full bg-{{ $statusClass }}-100 text-{{ $statusClass }}-800">
                                    {{ ucfirst($statusName) }}
                                </span>
                            </td>
                            <td class="px-3 sm:px-4 py-3 sm:py-4 whitespace-nowrap text-sm font-medium">
                                <div class="flex flex-col sm:flex-row space-y-1 sm:space-y-0 sm:space-x-2">
                                    <button onclick="viewExternalEmployee({{ $employee->id }})" class="text-primary-600 hover:text-primary-900 p-1 sm:p-1" title="View Details">
                                        <i class="fas fa-eye text-sm"></i>
                                    </button>
                                    @if($employee->contract_end_date && \Carbon\Carbon::parse($employee->contract_end_date)->diffInDays(now()) <= 30)
                                        <button onclick="sendRenewalReminder({{ $employee->id }})" class="text-orange-600 hover:text-orange-900 p-1 sm:p-1" title="Send Renewal Reminder">
                                            <i class="fas fa-bell text-sm"></i>
                                        </button>
                                    @endif
                                </div>
                            </td>
                        </tr>
                    @empty
                        <tr>
                            <td colspan="8" class="px-4 py-12 text-center">
                                <i class="fas fa-globe text-gray-400 text-4xl mb-4"></i>
                                <p class="text-sm text-gray-500">No external employees found</p>
                            </td>
                        </tr>
                    @endforelse
                </tbody>
            </table>
        </div>

        <!-- Pagination -->
        @if($externalEmployeesPaginated->hasPages())
            <div class="bg-white px-4 py-3 flex items-center justify-between border-t border-gray-200 sm:px-6">
                <div class="flex-1 flex justify-between sm:hidden">
                    <a href="{{ $externalEmployeesPaginated->previousPageUrl() }}" class="relative inline-flex items-center px-4 py-2 border border-gray-300 text-sm font-medium rounded-md text-gray-700 bg-white hover:bg-gray-50">
                        Previous
                    </a>
                    <a href="{{ $externalEmployeesPaginated->nextPageUrl() }}" class="ml-3 relative inline-flex items-center px-4 py-2 border border-gray-300 text-sm font-medium rounded-md text-gray-700 bg-white hover:bg-gray-50">
                        Next
                    </a>
                </div>
                <div class="hidden sm:flex-1 sm:flex sm:items-center sm:justify-between">
                    <div>
                        <p class="text-sm text-gray-700">
                            Showing
                            <span class="font-medium">{{ $externalEmployeesPaginated->firstItem() }}</span>
                            to
                            <span class="font-medium">{{ $externalEmployeesPaginated->lastItem() }}</span>
                            of
                            <span class="font-medium">{{ $externalEmployeesPaginated->total() }}</span>
                            results
                        </p>
                    </div>
                    <div>
                        {{ $externalEmployeesPaginated->links() }}
                    </div>
                </div>
            </div>
        @endif
    </div>
</div>

@endsection

<script>
function viewExternalEmployee(id) {
    // For external employees, we might show a modal or redirect to a different view
    toastManager.info('External employee details view will be implemented', 'Info');
}

function sendRenewalReminder(id) {
    if (confirm('Send contract renewal reminder to this employee?')) {
        // Implementation for sending renewal reminder
        toastManager.success('Renewal reminder sent successfully', 'Success');
    }
}

function exportEmployees() {
    window.location.href = '/employees/export';
}

function refreshExternalData() {
    // Show loading state
    const button = event.target;
    const originalContent = button.innerHTML;
    button.innerHTML = '<i class="fas fa-spinner fa-spin mr-2"></i>Refreshing...';
    button.disabled = true;
    
    // Simulate API call to refresh external data
    setTimeout(() => {
        location.reload();
    }, 1000);
}

// Filter functionality
document.getElementById('department_filter').addEventListener('change', filterEmployees);
document.getElementById('designation_filter').addEventListener('change', filterEmployees);
document.getElementById('search_filter').addEventListener('keyup', debounce(filterEmployees, 300));

function debounce(func, wait) {
    let timeout;
    return function executedFunction(...args) {
        const later = () => {
            clearTimeout(timeout);
            func(...args);
        };
        clearTimeout(timeout);
        timeout = setTimeout(later, wait);
    };
}

function filterEmployees() {
    const params = new URLSearchParams({
        department_id: document.getElementById('department_filter').value,
        designation_id: document.getElementById('designation_filter').value,
        search: document.getElementById('search_filter').value
    });
    
    window.location.href = `{{ route('employees.external') }}?${params.toString()}`;
}
</script>