@extends('layouts.app')

@section('title', 'Edit Bandwidth Request - ISP ERP System')

@section('page-title', 'Edit Bandwidth Request')

@section('content')
<div class="container-fluid">
    <!-- Page Header -->
    <div class="row mb-4">
        <div class="col-12">
            <div class="custom-card">
                <div class="custom-card-header">
                    <div class="d-flex justify-content-between align-items-center">
                        <div>
                            <h3 class="mb-0">
                                <i class="fas fa-edit me-2"></i>
                                Edit Bandwidth Request
                            </h3>
                            <p class="mb-0 opacity-75">Update bandwidth request information</p>
                        </div>
                        <div class="d-flex gap-2">
                            <a href="{{ route('bandwidth-updown-requests.index') }}" class="btn btn-secondary btn-custom">
                                <i class="fas fa-arrow-left me-2"></i>Back to Requests
                            </a>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Edit Form -->
    <div class="row">
        <div class="col-12">
            <div class="custom-card">
                <div class="custom-card-header">
                    <h5 class="mb-0">
                        <i class="fas fa-exchange-alt me-2"></i>
                        Request Information
                    </h5>
                </div>
                <div class="custom-card-body">
                    <form action="{{ route('bandwidth-updown-requests.update', $bandwidthUpdownRequest) }}" method="POST">
                        @csrf
                        @method('PUT')
                        
                        <div class="row">
                            <div class="col-md-6">
                                <div class="mb-3">
                                    <label for="user_id" class="form-label">
                                        <i class="fas fa-user text-primary me-1"></i>
                                        Reseller/Client <span class="text-danger">*</span>
                                    </label>
                                    <select class="form-control @error('user_id') is-invalid @enderror" 
                                            id="user_id" name="user_id" required>
                                        <option value="">Select Reseller/Client</option>
                                        @foreach($users as $user)
                                            <option value="{{ $user['id'] }}" {{ old('user_id', $bandwidthUpdownRequest->user_id) == $user['id'] ? 'selected' : '' }}>
                                                {{ $user['name'] }}
                                            </option>
                                        @endforeach
                                    </select>
                                    @error('user_id')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                </div>
                            </div>

                            <div class="col-md-6">
                                <div class="mb-3">
                                    <label for="request_type" class="form-label">
                                        <i class="fas fa-tasks text-primary me-1"></i>
                                        Request Type <span class="text-danger">*</span>
                                    </label>
                                    <select class="form-control @error('request_type') is-invalid @enderror" 
                                            id="request_type" name="request_type" required>
                                        <option value="">Select Request Type</option>
                                        <option value="upgrade" {{ old('request_type', $bandwidthUpdownRequest->request_type) == 'upgrade' ? 'selected' : '' }}>Upgrade</option>
                                        <option value="downgrade" {{ old('request_type', $bandwidthUpdownRequest->request_type) == 'downgrade' ? 'selected' : '' }}>Downgrade</option>
                                        <option value="discontinue" {{ old('request_type', $bandwidthUpdownRequest->request_type) == 'discontinue' ? 'selected' : '' }}>Discontinue</option>
                                    </select>
                                    @error('request_type')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                </div>
                            </div>

                            <div class="col-md-6">
                                <div class="mb-3">
                                    <label for="effective_date" class="form-label">
                                        <i class="fas fa-calendar text-primary me-1"></i>
                                        Effective Date <span class="text-danger">*</span>
                                    </label>
                                    <input type="date" class="form-control @error('effective_date') is-invalid @enderror" 
                                           id="effective_date" name="effective_date" 
                                           value="{{ old('effective_date', $bandwidthUpdownRequest->effective_date ? $bandwidthUpdownRequest->effective_date->format('Y-m-d') : '') }}" 
                                           min="{{ date('Y-m-d') }}" required>
                                    <small class="form-text text-muted">Date when the change should take effect and invoice should be generated</small>
                                    @error('effective_date')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                </div>
                            </div>

                            <div class="col-md-6" id="bandwidth_field">
                                <div class="mb-3">
                                    <label for="new_bandwidth_mbps" class="form-label">
                                        <i class="fas fa-tachometer-alt text-primary me-1"></i>
                                        New Bandwidth (Mbps) <span class="text-danger" id="bandwidth_required">*</span>
                                    </label>
                                    <input type="number" step="0.01" min="0" 
                                           class="form-control @error('new_bandwidth_mbps') is-invalid @enderror" 
                                           id="new_bandwidth_mbps" name="new_bandwidth_mbps" 
                                           value="{{ old('new_bandwidth_mbps', $bandwidthUpdownRequest->new_bandwidth_mbps) }}">
                                    @error('new_bandwidth_mbps')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                </div>
                            </div>

                            <div class="col-md-6">
                                <div class="mb-3">
                                    <label for="current_sales_invoice_id" class="form-label">
                                        <i class="fas fa-file-invoice text-primary me-1"></i>
                                        Current Sales Invoice (Optional)
                                    </label>
                                    <select class="form-control @error('current_sales_invoice_id') is-invalid @enderror" 
                                            id="current_sales_invoice_id" name="current_sales_invoice_id">
                                        <option value="">Select Invoice (Optional)</option>
                                        @foreach($salesInvoices as $invoice)
                                            <option value="{{ $invoice['id'] }}" {{ old('current_sales_invoice_id', $bandwidthUpdownRequest->current_sales_invoice_id) == $invoice['id'] ? 'selected' : '' }}>
                                                {{ $invoice['name'] }}
                                            </option>
                                        @endforeach
                                    </select>
                                    @error('current_sales_invoice_id')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                </div>
                            </div>

                            <div class="col-md-6">
                                <div class="mb-3">
                                    <label for="current_sales_invoice_item_id" class="form-label">
                                        <i class="fas fa-list text-primary me-1"></i>
                                        Current Sales Invoice Item (Optional)
                                    </label>
                                    <select class="form-control @error('current_sales_invoice_item_id') is-invalid @enderror" 
                                            id="current_sales_invoice_item_id" name="current_sales_invoice_item_id">
                                        <option value="">Select Invoice Item (Optional)</option>
                                        @foreach($salesInvoiceItems as $item)
                                            <option value="{{ $item['id'] }}" {{ old('current_sales_invoice_item_id', $bandwidthUpdownRequest->current_sales_invoice_item_id) == $item['id'] ? 'selected' : '' }}>
                                                {{ $item['name'] }}
                                            </option>
                                        @endforeach
                                    </select>
                                    @error('current_sales_invoice_item_id')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                </div>
                            </div>

                            <div class="col-12">
                                <div class="mb-3">
                                    <label for="notes" class="form-label">
                                        <i class="fas fa-sticky-note text-primary me-1"></i>
                                        Notes (Optional)
                                    </label>
                                    <textarea class="form-control @error('notes') is-invalid @enderror" 
                                              id="notes" name="notes" rows="3" 
                                              maxlength="2000">{{ old('notes', $bandwidthUpdownRequest->notes) }}</textarea>
                                    <small class="form-text text-muted">Maximum 2000 characters</small>
                                    @error('notes')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                </div>
                            </div>
                        </div>

                        <div class="row">
                            <div class="col-12">
                                <div class="d-flex justify-content-end gap-2">
                                    <a href="{{ route('bandwidth-updown-requests.index') }}" class="btn btn-secondary">
                                        <i class="fas fa-times me-2"></i>Cancel
                                    </a>
                                    <button type="submit" class="btn btn-primary">
                                        <i class="fas fa-save me-2"></i>Update Request
                                    </button>
                                </div>
                            </div>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>
</div>
@endsection

@section('scripts')
<script>
document.addEventListener('DOMContentLoaded', function() {
    const requestType = document.getElementById('request_type');
    const bandwidthField = document.getElementById('bandwidth_field');
    const bandwidthInput = document.getElementById('new_bandwidth_mbps');
    const bandwidthRequired = document.getElementById('bandwidth_required');

    requestType.addEventListener('change', function() {
        if (this.value === 'discontinue') {
            bandwidthField.style.display = 'none';
            bandwidthInput.removeAttribute('required');
            bandwidthInput.value = '';
            bandwidthRequired.style.display = 'none';
        } else {
            bandwidthField.style.display = 'block';
            bandwidthInput.setAttribute('required', 'required');
            bandwidthRequired.style.display = 'inline';
        }
    });

    // Trigger on page load
    requestType.dispatchEvent(new Event('change'));

    // Load invoice items when user is selected
    const userId = document.getElementById('user_id');
    const invoiceItemSelect = document.getElementById('current_sales_invoice_item_id');

    userId.addEventListener('change', function() {
        if (this.value) {
            fetch(`/bandwidth-updown-requests/get-invoice-items/${this.value}`)
                .then(response => response.json())
                .then(data => {
                    invoiceItemSelect.innerHTML = '<option value="">Select Invoice Item (Optional)</option>';
                    data.forEach(item => {
                        const option = document.createElement('option');
                        option.value = item.id;
                        option.textContent = item.name + ' (' + item.bandwidth + ')';
                        option.dataset.invoiceId = item.invoice_id;
                        invoiceItemSelect.appendChild(option);
                    });
                })
                .catch(error => {
                    console.error('Error loading invoice items:', error);
                });
        }
    });
});
</script>
@endsection