@extends('layouts.app')

@section('title', 'Client Contracts')
@section('no-page-header')

@section('content')
<div class="min-h-screen bg-gray-50 p-4 md:p-6 lg:p-8">
    <div class="max-w-7xl mx-auto">
        <!-- Header -->
        <div class="flex justify-between items-center mb-8">
            <div>
                <h1 class="text-3xl font-bold text-gray-900">Client Contracts</h1>
                <p class="mt-2 text-gray-600">Manage client contracts and agreements</p>
            </div>
            <button class="bg-blue-600 hover:bg-blue-700 text-white font-medium py-2 px-4 rounded-md transition duration-150 ease-in-out flex items-center" onclick="showCreateModal()">
                <svg class="h-5 w-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 6v6m0 0v6m0-6h6m-6 0H6"></path>
                </svg>
                Add Contract
            </button>
        </div>

        <!-- Filters -->
        <div class="bg-white shadow rounded-lg mb-6 p-6">
            <div class="grid grid-cols-1 md:grid-cols-4 gap-4">
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-2">Client</label>
                    <select class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500" id="client_filter">
                        <option value="">All Clients</option>
                        @foreach($clients ?? [] as $clientId => $clientName)
                            <option value="{{ $clientId }}">{{ $clientName }}</option>
                        @endforeach
                    </select>
                </div>
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-2">Status</label>
                    <select class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500" id="status_filter">
                        <option value="">All Status</option>
                        <option value="active">Active</option>
                        <option value="expired">Expired</option>
                        <option value="terminated">Terminated</option>
                    </select>
                </div>
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-2">Date Range</label>
                    <input type="date" class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500" id="date_filter">
                </div>
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-2">&nbsp;</label>
                    <button class="w-full bg-blue-600 hover:bg-blue-700 text-white font-medium py-2 px-4 rounded-md transition duration-150 ease-in-out" onclick="filterContracts()">Filter</button>
                </div>
            </div>
        </div>

        <!-- Summary Cards -->
        <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6 mb-6">
            <div class="bg-blue-600 rounded-lg shadow p-6">
                <div class="flex items-center">
                    <div class="flex-1">
                        <p class="text-blue-100 text-sm font-medium">Total Contracts</p>
                        <p class="text-3xl font-bold text-white">{{ $contracts->count() }}</p>
                    </div>
                    <div class="ml-4">
                        <svg class="h-12 w-12 text-blue-300" 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>
            </div>
            <div class="bg-green-600 rounded-lg shadow p-6">
                <div class="flex items-center">
                    <div class="flex-1">
                        <p class="text-green-100 text-sm font-medium">Active</p>
                        <p class="text-3xl font-bold text-white">{{ $contracts->where('status.name', 'active')->count() }}</p>
                    </div>
                    <div class="ml-4">
                        <svg class="h-12 w-12 text-green-300" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z"></path>
                        </svg>
                    </div>
                </div>
            </div>
            <div class="bg-yellow-600 rounded-lg shadow p-6">
                <div class="flex items-center">
                    <div class="flex-1">
                        <p class="text-yellow-100 text-sm font-medium">Expired</p>
                        <p class="text-3xl font-bold text-white">{{ $contracts->where('status.name', 'expired')->count() }}</p>
                    </div>
                    <div class="ml-4">
                        <svg class="h-12 w-12 text-yellow-300" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z"></path>
                        </svg>
                    </div>
                </div>
            </div>
            <div class="bg-purple-600 rounded-lg shadow p-6">
                <div class="flex items-center">
                    <div class="flex-1">
                        <p class="text-purple-100 text-sm font-medium">Total Value</p>
                        <p class="text-3xl font-bold text-white">${{ number_format($contracts->sum('value'), 2) }}</p>
                    </div>
                    <div class="ml-4">
                        <svg class="h-12 w-12 text-purple-300" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8c-1.657 0-3 .895-3 2s1.343 2 3 2 3 .895 3 2-1.343 2-3 2m0-8c1.11 0 2.08.402 2.599 1M12 8V7m0 1l-1.5-1.5M14 7l1.5 1.5M12 8l-1.5 1.5M14 7l-1.5-1.5"></path>
                        </svg>
                    </div>
                </div>
            </div>
        </div>

        <!-- Contracts Table -->
        <div class="bg-white shadow rounded-lg 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-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Contract</th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Client</th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Type</th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Value</th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Duration</th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Status</th>
                            <th class="px-6 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($contracts ?? [] as $contract)
                            <tr class="hover:bg-gray-50">
                                <td class="px-6 py-4 whitespace-nowrap">
                                    <div class="flex items-center">
                                        <div class="flex-shrink-0 h-10 w-10 bg-blue-600 rounded-full flex items-center justify-center">
                                            <svg class="h-6 w-6 text-white" 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-4">
                                            <div class="text-sm font-medium text-gray-900">{{ $contract->name }}</div>
                                            <div class="text-sm text-gray-500">{{ $contract->contract_number }}</div>
                                        </div>
                                    </div>
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-900">{{ $contract->client?->name ?? '-' }}</td>
                                <td class="px-6 py-4 whitespace-nowrap">
                                    <span class="inline-flex px-2 py-1 text-xs font-semibold rounded-full bg-cyan-100 text-cyan-800">{{ ucfirst($contract->type) }}</span>
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-900">${{ number_format($contract->value, 2) }}</td>
                                <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-900">
                                    <small>
                                        {{ $contract->start_date?->format('M d, Y') }} - 
                                        {{ $contract->end_date?->format('M d, Y') }}
                                    </small>
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap">
                                    <span class="inline-flex px-2 py-1 text-xs font-semibold rounded-full bg-{{ $contract->status?->class ?? 'gray' }}-100 text-{{ $contract->status?->class ?? 'gray' }}-800">
                                        {{ $contract->status?->name ?? 'Unknown' }}
                                    </span>
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap text-sm font-medium">
                                    <div class="flex space-x-2">
                                        <button class="text-blue-600 hover:text-blue-900" onclick="viewContract({{ $contract->id }})" title="View">
                                            <svg class="h-5 w-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 12a3 3 0 11-6 0 3 3 0 016 0z"></path>
                                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M2.458 12C3.732 7.943 7.523 5 12 5c4.478 0 8.268 2.943 9.542 7-1.274 4.057-5.064 7-9.542 7-4.477 0-8.268-2.943-9.542-7z"></path>
                                            </svg>
                                        </button>
                                        <button class="text-yellow-600 hover:text-yellow-900" onclick="editContract({{ $contract->id }})" title="Edit">
                                            <svg class="h-5 w-5" 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>
                                        </button>
                                        <button class="text-red-600 hover:text-red-900" onclick="deleteContract({{ $contract->id }})" title="Delete">
                                            <svg class="h-5 w-5" 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>
                                        </button>
                                    </div>
                                </td>
                            </tr>
                        @empty
                            <tr>
                                <td colspan="7" class="px-6 py-4 text-center text-sm text-gray-500">No contracts found.</td>
                            </tr>
                        @endforelse
                    </tbody>
                </table>
            </div>
            
            <!-- Pagination -->
            <div class="px-6 py-4 border-t border-gray-200">
                {{ $contracts->links() }}
            </div>
        </div>
    </div>
</div>

<!-- Create/Edit Modal -->
<div class="fixed inset-0 bg-gray-600 bg-opacity-50 overflow-y-auto h-full w-full z-50" id="contractModal" style="display: none;">
    <div class="relative top-20 mx-auto p-5 border w-full max-w-4xl shadow-lg rounded-md bg-white">
        <div class="flex justify-between items-center mb-4">
            <h3 class="text-lg font-medium text-gray-900" id="modalTitle">Add Contract</h3>
            <button type="button" class="text-gray-400 hover:text-gray-600" onclick="closeModal()">
                <svg class="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"></path>
                </svg>
            </button>
        </div>
        <div class="mt-4">
            <form id="contractForm">
                <input type="hidden" id="contract_id">
                <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
                    <div class="mb-4">
                        <label class="block text-sm font-medium text-gray-700 mb-2">Contract Name</label>
                        <input type="text" class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500" id="name" required>
                    </div>
                    <div class="mb-4">
                        <label class="block text-sm font-medium text-gray-700 mb-2">Contract Number</label>
                        <input type="text" class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500" id="contract_number">
                    </div>
                </div>
                <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
                    <div class="mb-4">
                        <label class="block text-sm font-medium text-gray-700 mb-2">Client</label>
                        <select class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500" id="client_id" required>
                            <option value="">Select Client</option>
                            @foreach($clients ?? [] as $clientId => $clientName)
                                <option value="{{ $clientId }}">{{ $clientName }}</option>
                            @endforeach
                        </select>
                    </div>
                    <div class="mb-4">
                        <label class="block text-sm font-medium text-gray-700 mb-2">Type</label>
                        <select class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500" id="type" required>
                            <option value="">Select Type</option>
                            <option value="security">Security</option>
                            <option value="patrol">Patrol</option>
                            <option value="consulting">Consulting</option>
                            <option value="maintenance">Maintenance</option>
                        </select>
                    </div>
                </div>
                <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
                    <div class="mb-4">
                        <label class="block text-sm font-medium text-gray-700 mb-2">Start Date</label>
                        <input type="date" class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500" id="start_date" required>
                    </div>
                    <div class="mb-4">
                        <label class="block text-sm font-medium text-gray-700 mb-2">End Date</label>
                        <input type="date" class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500" id="end_date">
                    </div>
                </div>
                <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
                    <div class="mb-4">
                        <label class="block text-sm font-medium text-gray-700 mb-2">Value</label>
                        <input type="number" class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500" id="value" step="0.01" required>
                    </div>
                    <div class="mb-4">
                        <label class="block text-sm font-medium text-gray-700 mb-2">Status</label>
                        <select class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500" id="status_id">
                            <option value="">Select Status</option>
                            @foreach($statuses ?? [] as $statusId => $statusName)
                                <option value="{{ $statusId }}">{{ $statusName }}</option>
                            @endforeach
                        </select>
                    </div>
                </div>
                <div class="mb-4">
                    <label class="block text-sm font-medium text-gray-700 mb-2">Description</label>
                    <textarea class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500" id="description" rows="3"></textarea>
                </div>
            </form>
        </div>
        <div class="flex justify-end space-x-3 mt-6">
            <button type="button" class="px-4 py-2 bg-gray-300 text-gray-700 rounded-md hover:bg-gray-400 transition duration-150 ease-in-out" onclick="closeModal()">Cancel</button>
            <button type="button" class="px-4 py-2 bg-blue-600 text-white rounded-md hover:bg-blue-700 transition duration-150 ease-in-out" onclick="saveContract()">Save</button>
        </div>
    </div>
</div>
@endsection

@section('scripts')
<script>
function showCreateModal() {
    document.getElementById('modalTitle').textContent = 'Add Contract';
    document.getElementById('contractForm').reset();
    document.getElementById('contract_id').value = '';
    document.getElementById('contractModal').style.display = 'block';
}

function closeModal() {
    document.getElementById('contractModal').style.display = 'none';
}

function editContract(id) {
    fetch(`/contracts/${id}`)
        .then(response => response.json())
        .then(data => {
            document.getElementById('modalTitle').textContent = 'Edit Contract';
            document.getElementById('contract_id').value = data.id;
            document.getElementById('name').value = data.name;
            document.getElementById('contract_number').value = data.contract_number;
            document.getElementById('client_id').value = data.client_id;
            document.getElementById('type').value = data.type;
            document.getElementById('start_date').value = data.start_date;
            document.getElementById('end_date').value = data.end_date;
            document.getElementById('value').value = data.value;
            document.getElementById('status_id').value = data.status_id;
            document.getElementById('description').value = data.description;
            
            document.getElementById('contractModal').style.display = 'block';
        })
        .catch(error => {
            console.error('Error fetching contract data:', error);
            alert('Error loading contract data');
        });
}

function saveContract() {
    const id = document.getElementById('contract_id').value;
    const data = {
        name: document.getElementById('name').value,
        contract_number: document.getElementById('contract_number').value,
        client_id: document.getElementById('client_id').value,
        type: document.getElementById('type').value,
        start_date: document.getElementById('start_date').value,
        end_date: document.getElementById('end_date').value,
        value: document.getElementById('value').value,
        status_id: document.getElementById('status_id').value,
        description: document.getElementById('description').value
    };
    
    const url = id ? `/contracts/${id}` : '/contracts';
    const method = id ? 'PUT' : 'POST';
    
    fetch(url, {
        method: method,
        headers: {
            'Content-Type': 'application/json',
            'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]').getAttribute('content')
        },
        body: JSON.stringify(data)
    })
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            closeModal();
            location.reload();
        } else {
            alert('Error saving contract: ' + (data.message || 'Unknown error'));
        }
    })
    .catch(error => {
        console.error('Error saving contract:', error);
        alert('Error saving contract');
    });
}

function viewContract(id) {
    fetch(`/contracts/${id}`)
        .then(response => response.json())
        .then(data => {
            alert('Contract details: ' + JSON.stringify(data, null, 2));
        });
}

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'));
            }
        });
    }
}

function filterContracts() {
    const params = new URLSearchParams({
        client_id: document.getElementById('client_filter').value,
        status: document.getElementById('status_filter').value,
        date: document.getElementById('date_filter').value
    });
    
    window.location.href = `{{ route('clients.contracts') }}?${params.toString()}`;
}
</script>
@endsection