@extends('layouts.app')

@section('title', 'Contracts')

@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">
        <!-- Page Header -->
        <div class="bg-white rounded-xl shadow-sm border border-gray-200 p-6 mb-6">
            <div class="flex flex-col sm:flex-row sm:items-center sm:justify-between">
                <div class="mb-4 sm:mb-0">
                    <div class="flex items-center">
                        <div class="bg-blue-100 rounded-lg p-3 mr-4">
                            <i class="fas fa-file-contract text-blue-600 text-xl"></i>
                        </div>
                        <div>
                            <h1 class="text-2xl font-bold text-gray-900">Contracts</h1>
                            <p class="mt-1 text-sm text-gray-500">Manage client contracts and agreements</p>
                        </div>
                    </div>
                </div>
                <div class="flex flex-col sm:flex-row gap-3">
                    <a href="{{ route('contracts.create') }}" class="inline-flex items-center px-4 py-2 bg-blue-600 text-white text-sm font-medium rounded-lg hover:bg-blue-700 transition-all duration-200 shadow-sm hover:shadow-md">
                        <i class="fas fa-plus mr-2"></i> Add Contract
                    </a>
                </div>
            </div>
        </div>

        <!-- Filters -->
        <div class="bg-white rounded-xl shadow-sm border border-gray-200 p-6 mb-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('contracts.index') }}">
                <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4">
                    <div>
                        <label for="client_id" class="block text-sm font-medium text-gray-700 mb-2">
                            <i class="fas fa-building text-gray-400 mr-1"></i> Client
                        </label>
                        <select id="client_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" name="client_id">
                            <option value="">All Clients</option>
                            @foreach($clients as $clientId => $clientName)
                                <option value="{{ $clientId }}" {{ request('client_id') == $clientId ? 'selected' : '' }}>
                                    {{ $clientName }}
                                </option>
                            @endforeach
                        </select>
                    </div>
                    <div>
                        <label for="status" class="block text-sm font-medium text-gray-700 mb-2">
                            <i class="fas fa-info-circle text-gray-400 mr-1"></i> Status
                        </label>
                        <select id="status" 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" name="status">
                            <option value="">All Status</option>
                            <option value="active" {{ request('status') == 'active' ? 'selected' : '' }}>Active</option>
                            <option value="expired" {{ request('status') == 'expired' ? 'selected' : '' }}>Expired</option>
                            <option value="terminated" {{ request('status') == 'terminated' ? 'selected' : '' }}>Terminated</option>
                        </select>
                    </div>
                    <div>
                        <label for="date_filter" class="block text-sm font-medium text-gray-700 mb-2">
                            <i class="fas fa-calendar text-gray-400 mr-1"></i> Date Filter
                        </label>
                        <input type="date" id="date_filter" 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" name="date_filter" value="{{ request('date_filter') }}">
                    </div>
                    <div class="flex items-end">
                        <button type="submit" class="w-full px-4 py-2 bg-blue-600 text-white text-sm font-medium rounded-lg hover:bg-blue-700 transition-all duration-200 shadow-sm hover:shadow-md">
                            <i class="fas fa-search mr-2"></i> Search
                        </button>
                    </div>
                </div>
            </form>
        </div>

        <!-- Contracts Table -->
        <div class="bg-white rounded-xl shadow-sm border border-gray-200 overflow-hidden">
            <div class="px-6 py-4 border-b border-gray-200">
                <div class="flex items-center justify-end">
                    <div class="text-sm text-gray-500">
                        <span class="font-medium">{{ $contracts->total() }}</span> total contracts
                    </div>
                </div>
            </div>
            <div class="overflow-x-auto">
                <table class="min-w-full divide-y divide-gray-200">
                    <thead class="bg-gray-50">
                        <tr>
                            <th class="px-6 py-3 text-left text-xs font-semibold text-gray-600 uppercase tracking-wider">Contract</th>
                            <th class="px-6 py-3 text-left text-xs font-semibold text-gray-600 uppercase tracking-wider">Client</th>
                            <th class="px-6 py-3 text-left text-xs font-semibold text-gray-600 uppercase tracking-wider">Duration</th>
                            <th class="px-6 py-3 text-left text-xs font-semibold text-gray-600 uppercase tracking-wider">Value</th>
                            <th class="px-6 py-3 text-left text-xs font-semibold text-gray-600 uppercase tracking-wider">Status</th>
                            <th class="px-6 py-3 text-right text-xs font-semibold text-gray-600 uppercase tracking-wider">Actions</th>
                        </tr>
                    </thead>
                    <tbody class="bg-white divide-y divide-gray-100">
                        @forelse($contracts as $contract)
                            <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-full flex items-center justify-center ring-2 ring-blue-200">
                                            <i class="fas fa-file-contract text-blue-600"></i>
                                        </div>
                                        <div class="ml-4">
                                            <div class="text-sm font-medium text-gray-900">{{ $contract->title }}</div>
                                            <div class="text-xs text-gray-500">{{ $contract->contract_number }}</div>
                                        </div>
                                    </div>
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap">
                                    @if($contract->client)
                                        <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-purple-100 text-purple-800">
                                            {{ $contract->client->name }}
                                        </span>
                                    @else
                                        <span class="text-sm text-gray-400 italic">No Client</span>
                                    @endif
                                </td>
                                <td class="px-6 py-4 text-sm text-gray-900">
                                    <div>
                                        <div class="font-medium">{{ $contract->duration }}</div>
                                        @if($contract->is_expiring_soon)
                                            <div class="flex items-center text-xs text-orange-600 mt-1">
                                                <i class="fas fa-exclamation-triangle mr-1"></i>
                                                Expires in {{ $contract->days_remaining }} days
                                            </div>
                                        @elseif($contract->is_expired)
                                            <div class="flex items-center text-xs text-red-600 mt-1">
                                                <i class="fas fa-times-circle mr-1"></i>
                                                Expired
                                            </div>
                                        @endif
                                    </div>
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap">
                                    <div class="flex items-center">
                                        <i class="fas fa-dollar-sign text-gray-400 mr-1"></i>
                                        <span class="text-sm font-semibold text-gray-900">{{ $contract->formatted_value }}</span>
                                    </div>
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap">
                                    <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium 
                                        @if($contract->status?->name === 'active') bg-green-100 text-green-800
                                        @elseif($contract->status?->name === 'expired') bg-red-100 text-red-800
                                        @elseif($contract->status?->name === 'terminated') bg-gray-100 text-gray-800
                                        @else bg-yellow-100 text-yellow-800
                                        @endif">
                                        <i class="fas fa-circle text-xs mr-1.5 opacity-50"></i>
                                        {{ $contract->status?->name ?? 'Unknown' }}
                                    </span>
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap text-right text-sm font-medium">
                                    <div class="flex items-center justify-end space-x-2">
                                        <a href="{{ route('contracts.edit', $contract->id) }}" class="text-blue-600 hover:text-blue-800 transition-colors p-1 hover:bg-blue-50 rounded" title="Edit">
                                            <i class="fas fa-edit"></i>
                                        </a>
                                        <button onclick="deleteContract({{ $contract->id }})" class="text-red-600 hover:text-red-800 transition-colors p-1 hover:bg-red-50 rounded" title="Delete">
                                            <i class="fas fa-trash"></i>
                                        </button>
                                    </div>
                                </td>
                            </tr>
                        @empty
                            <tr>
                                <td colspan="6" class="px-6 py-16 text-center">
                                    <div class="flex flex-col items-center">
                                        <div class="bg-gray-100 rounded-full p-4 mb-4">
                                            <i class="fas fa-file-contract text-gray-400 text-2xl"></i>
                                        </div>
                                        <h3 class="text-lg font-medium text-gray-900 mb-2">No contracts found</h3>
                                        <p class="text-sm text-gray-500 max-w-md">No contracts found for the selected criteria. Try adjusting your filters or add a new contract.</p>
                                    </div>
                                </td>
                            </tr>
                        @endforelse
                    </tbody>
                </table>
            </div>

            <!-- Pagination -->
            @if($contracts->hasPages())
                <div class="bg-gray-50 px-6 py-4 flex items-center justify-between border-t border-gray-200">
                    <div class="flex-1 flex justify-between sm:hidden">
                        <a href="{{ $contracts->previousPageUrl() }}" class="relative inline-flex items-center px-4 py-2 border border-gray-300 text-sm font-medium rounded-lg text-gray-700 bg-white hover:bg-gray-50 transition-colors">
                            <i class="fas fa-chevron-left mr-2"></i> Previous
                        </a>
                        <a href="{{ $contracts->nextPageUrl() }}" class="ml-3 relative inline-flex items-center px-4 py-2 border border-gray-300 text-sm font-medium rounded-lg text-gray-700 bg-white hover:bg-gray-50 transition-colors">
                            Next<i class="fas fa-chevron-right ml-2"></i>
                        </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 text-gray-900">{{ $contracts->firstItem() }}</span>
                                to
                                <span class="font-medium text-gray-900">{{ $contracts->lastItem() }}</span>
                                of
                                <span class="font-medium text-gray-900">{{ $contracts->total() }}</span>
                                results
                            </p>
                        </div>
                        <div>
                            {{ $contracts->links() }}
                        </div>
                    </div>
                </div>
            @endif
        </div>
    </div>
</div>

@section('scripts')
<script>
function deleteContract(id) {
    if (confirm('Are you sure you want to delete this contract?')) {
        fetch(`/contracts/${id}`, {
            method: 'DELETE',
            headers: {
                'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]').getAttribute('content')
            }
        })
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                location.reload();
            } else {
                alert('Error deleting contract: ' + (data.message || 'Unknown error'));
            }
        })
        .catch(error => {
            console.error('Error deleting contract:', error);
            alert('Error deleting contract');
        });
    }
}
</script>
@endsection
@endsection