@extends('layouts.app')

@section('content')
<div class="container-fluid">
    <div class="row">
        <div class="col-12">
            <div class="row mb-2">
                <div class="col-6">
                    <h2>{{ $spare_part ? 'Редактирование запчасти' : 'Создание запчасти' }}</h2>
                </div>
                <div class="col-6 text-end">
                    @if($spare_part && hasRole('admin'))
                        <button class="btn btn-sm text-success" onclick="$('#upl-image').trigger('click');"><i class="bi bi-plus-circle-fill"></i> Загрузить изображение</button>

                        <form action="{{ route('spare_parts.upload_image', ['sparePart' => $spare_part]) }}" class="visually-hidden" method="POST" enctype="multipart/form-data">
                            @csrf
                            <input type="file" name="image" onchange="$(this).parent().submit()" required id="upl-image" accept="image/*" />
                        </form>
                    @endif
                </div>
            </div>

            <form action="{{ $spare_part ? route('spare_parts.update', $spare_part) : route('spare_parts.store') }}"
                  method="POST">
                @csrf
                @if($spare_part)
                    @method('PUT')
                @endif

                <input type="hidden" name="previous_url" value="{{ $previous_url ?? url()->previous() }}">

                <div class="row">
                    {{-- Левая колонка --}}
                    <div class="col-md-6">
                        @if($spare_part && $spare_part->image)
                            <div class="mb-3">
                                <img src="{{ $spare_part->image }}" alt="{{ $spare_part->article }}" class="img-fluid" style="max-width: 200px;">
                            </div>
                        @endif

                        <div class="mb-3">
                            <label for="article" class="form-label">Артикул <span class="text-danger">*</span></label>
                            <input type="text"
                                   class="form-control"
                                   id="article"
                                   name="article"
                                   value="{{ old('article', $spare_part->article ?? '') }}"
                                   {{ hasRole('admin') ? '' : 'readonly' }}
                                   required>
                        </div>

                        <div class="mb-3">
                            <label for="used_in_maf" class="form-label">Где используется</label>
                            <input type="text"
                                   class="form-control"
                                   id="used_in_maf"
                                   name="used_in_maf"
                                   value="{{ old('used_in_maf', $spare_part->used_in_maf ?? '') }}"
                                   {{ hasRole('admin') ? '' : 'readonly' }}>
                        </div>

                        <div class="mb-3">
                            <label for="note" class="form-label">Примечание</label>
                            <textarea class="form-control"
                                      id="note"
                                      name="note"
                                      rows="3"
                                      {{ hasRole('admin') ? '' : 'readonly' }}>{{ old('note', $spare_part->note ?? '') }}</textarea>
                        </div>
                    </div>

                    {{-- Правая колонка --}}
                    <div class="col-md-6">
                        @if(hasRole('admin'))
                            <div class="mb-3">
                                <label for="purchase_price" class="form-label">Цена закупки (руб.)</label>
                                <input type="number"
                                       class="form-control"
                                       id="purchase_price"
                                       name="purchase_price"
                                       step="0.01"
                                       value="{{ old('purchase_price', $spare_part->purchase_price ?? '') }}">
                            </div>
                        @endif

                        <div class="mb-3">
                            <label for="customer_price" class="form-label">Цена для заказчика (руб.)</label>
                            <input type="number"
                                   class="form-control"
                                   id="customer_price"
                                   name="customer_price"
                                   step="0.01"
                                   value="{{ old('customer_price', $spare_part->customer_price ?? '') }}"
                                   {{ hasRole('admin') ? '' : 'readonly' }}>
                        </div>

                        <div class="mb-3">
                            <label for="expertise_price" class="form-label">Цена экспертизы (руб.)</label>
                            <input type="number"
                                   class="form-control"
                                   id="expertise_price"
                                   name="expertise_price"
                                   step="0.01"
                                   value="{{ old('expertise_price', $spare_part->expertise_price ?? '') }}"
                                   {{ hasRole('admin') ? '' : 'readonly' }}>
                        </div>

                        <div class="mb-3">
                            <label for="tsn_number" class="form-label">№ по ТСН</label>
                            <div class="row">
                                <div class="col-md-5 position-relative">
                                    <input type="text"
                                           class="form-control"
                                           id="tsn_number"
                                           name="tsn_number"
                                           value="{{ old('tsn_number', $spare_part->tsn_number ?? '') }}"
                                           autocomplete="off"
                                           {{ hasRole('admin') ? '' : 'readonly' }}>
                                    <div class="autocomplete-dropdown" id="tsn_number_dropdown"></div>
                                </div>
                                <div class="col-md-7">
                                    <input type="text"
                                           class="form-control"
                                           id="tsn_number_description"
                                           name="tsn_number_description"
                                           placeholder="Расшифровка"
                                           {{ hasRole('admin') ? '' : 'readonly' }}>
                                </div>
                            </div>
                            <div class="form-text" id="tsn_number_hint"></div>
                        </div>

                        <div class="mb-3">
                            <label class="form-label">Шифр расценки и коды ресурсов</label>
                            <div id="pricing_codes_container">
                                @php
                                    $existingCodes = old('pricing_codes', $spare_part ? $spare_part->pricingCodes->pluck('code')->toArray() : []);
                                @endphp
                                @forelse($existingCodes as $index => $code)
                                    <div class="pricing-code-row row mb-2" data-index="{{ $index }}">
                                        <div class="col-md-5 position-relative">
                                            <input type="text"
                                                   class="form-control pricing-code-input"
                                                   name="pricing_codes[]"
                                                   value="{{ $code }}"
                                                   autocomplete="off"
                                                   placeholder="Код"
                                                   {{ hasRole('admin') ? '' : 'readonly' }}>
                                            <div class="autocomplete-dropdown pricing-code-dropdown"></div>
                                        </div>
                                        <div class="col-md-5">
                                            <input type="text"
                                                   class="form-control pricing-code-description-input"
                                                   name="pricing_codes_descriptions[]"
                                                   placeholder="Расшифровка"
                                                   {{ hasRole('admin') ? '' : 'readonly' }}>
                                        </div>
                                        <div class="col-md-2">
                                            @if(hasRole('admin'))
                                                <button type="button" class="btn btn-outline-danger btn-remove-pricing-code" title="Удалить">
                                                    <i class="bi bi-trash"></i>
                                                </button>
                                            @endif
                                        </div>
                                        <div class="col-12"><div class="form-text pricing-code-hint"></div></div>
                                    </div>
                                @empty
                                    <div class="pricing-code-row row mb-2" data-index="0">
                                        <div class="col-md-5 position-relative">
                                            <input type="text"
                                                   class="form-control pricing-code-input"
                                                   name="pricing_codes[]"
                                                   value=""
                                                   autocomplete="off"
                                                   placeholder="Код"
                                                   {{ hasRole('admin') ? '' : 'readonly' }}>
                                            <div class="autocomplete-dropdown pricing-code-dropdown"></div>
                                        </div>
                                        <div class="col-md-5">
                                            <input type="text"
                                                   class="form-control pricing-code-description-input"
                                                   name="pricing_codes_descriptions[]"
                                                   placeholder="Расшифровка"
                                                   {{ hasRole('admin') ? '' : 'readonly' }}>
                                        </div>
                                        <div class="col-md-2">
                                            @if(hasRole('admin'))
                                                <button type="button" class="btn btn-outline-danger btn-remove-pricing-code" title="Удалить">
                                                    <i class="bi bi-trash"></i>
                                                </button>
                                            @endif
                                        </div>
                                        <div class="col-12"><div class="form-text pricing-code-hint"></div></div>
                                    </div>
                                @endforelse
                            </div>
                            @if(hasRole('admin'))
                                <button type="button" class="btn btn-sm btn-outline-primary" id="btn_add_pricing_code">
                                    <i class="bi bi-plus-circle"></i> Добавить код
                                </button>
                            @endif
                        </div>

                        <div class="mb-3">
                            <label for="min_stock" class="form-label">Минимальный остаток</label>
                            <input type="number"
                                   class="form-control"
                                   id="min_stock"
                                   name="min_stock"
                                   value="{{ old('min_stock', $spare_part->min_stock ?? 0) }}"
                                   {{ hasRole('admin') ? '' : 'readonly' }}>
                        </div>
                    </div>
                </div>

                <div class="row">
                    <div class="col-12">
                        @if(hasRole('admin'))
                            <button type="submit" class="btn btn-success">Сохранить</button>
                        @endif
                        <a href="{{ $previous_url ?? route('spare_parts.index') }}" class="btn btn-secondary">Назад</a>

                        @if($spare_part && hasRole('admin'))
                            <button type="button" class="btn btn-danger float-end" data-bs-toggle="modal" data-bs-target="#deleteModal">
                                Удалить
                            </button>
                        @endif
                    </div>
                </div>
            </form>

            @if($spare_part)
                <hr class="my-4">

                {{-- Остатки --}}
                <div class="row mb-4">
                    <div class="col-12">
                        <h4>Остатки</h4>
                        <div class="table-responsive">
                            <table class="table table-sm table-bordered">
                                <thead class="table-light">
                                    <tr>
                                        <th></th>
                                        <th class="text-center">Без документов</th>
                                        <th class="text-center">С документами</th>
                                        <th class="text-center">Всего</th>
                                    </tr>
                                </thead>
                                <tbody>
                                    <tr>
                                        <td>Физический остаток</td>
                                        <td class="text-center">{{ $spare_part->physical_stock_without_docs }}</td>
                                        <td class="text-center">{{ $spare_part->physical_stock_with_docs }}</td>
                                        <td class="text-center fw-bold">{{ $spare_part->total_physical_stock }}</td>
                                    </tr>
                                    <tr class="table-warning">
                                        <td>Зарезервировано</td>
                                        <td class="text-center">{{ $spare_part->reserved_without_docs }}</td>
                                        <td class="text-center">{{ $spare_part->reserved_with_docs }}</td>
                                        <td class="text-center fw-bold">{{ $spare_part->total_reserved }}</td>
                                    </tr>
                                    <tr class="table-success">
                                        <td>Свободный остаток</td>
                                        <td class="text-center">{{ $spare_part->free_stock_without_docs }}</td>
                                        <td class="text-center">{{ $spare_part->free_stock_with_docs }}</td>
                                        <td class="text-center fw-bold">{{ $spare_part->total_free_stock }}</td>
                                    </tr>
                                    @if($spare_part->min_stock > 0)
                                        <tr class="@if($spare_part->total_free_stock < $spare_part->min_stock) table-danger @endif">
                                            <td>Минимальный остаток</td>
                                            <td colspan="3" class="text-center">{{ $spare_part->min_stock }}</td>
                                        </tr>
                                    @endif
                                </tbody>
                            </table>
                        </div>
                    </div>
                </div>

                {{-- Активные резервы --}}
                @php
                    $activeReservations = $spare_part->reservations()
                        ->where('status', \App\Models\Reservation::STATUS_ACTIVE)
                        ->with('reclamation', 'sparePartOrder')
                        ->orderByDesc('created_at')
                        ->get();
                @endphp
                @if($activeReservations->count() > 0)
                    <div class="row mb-4">
                        <div class="col-12">
                            <h4>Активные резервы <span class="badge bg-warning">{{ $activeReservations->count() }}</span></h4>
                            <div class="table-responsive">
                                <table class="table table-sm table-striped">
                                    <thead>
                                        <tr>
                                            <th>Рекламация</th>
                                            <th>Партия</th>
                                            <th class="text-center">Кол-во</th>
                                            <th class="text-center">С док.</th>
                                            <th>Дата</th>
                                        </tr>
                                    </thead>
                                    <tbody>
                                        @foreach($activeReservations as $reservation)
                                            <tr>
                                                <td>
                                                    @if($reservation->reclamation)
                                                        <a href="{{ route('reclamations.show', $reservation->reclamation->id) }}">
                                                            #{{ $reservation->reclamation->id }}
                                                        </a>
                                                    @else
                                                        -
                                                    @endif
                                                </td>
                                                <td>
                                                    @if($reservation->sparePartOrder)
                                                        <a href="{{ route('spare_part_orders.show', $reservation->sparePartOrder->id) }}">
                                                            #{{ $reservation->sparePartOrder->id }}
                                                        </a>
                                                    @else
                                                        -
                                                    @endif
                                                </td>
                                                <td class="text-center">{{ $reservation->reserved_qty }}</td>
                                                <td class="text-center">
                                                    @if($reservation->with_documents)
                                                        <i class="bi bi-check-circle text-success"></i>
                                                    @else
                                                        <i class="bi bi-x-circle text-muted"></i>
                                                    @endif
                                                </td>
                                                <td>{{ $reservation->created_at->format('d.m.Y H:i') }}</td>
                                            </tr>
                                        @endforeach
                                    </tbody>
                                </table>
                            </div>
                        </div>
                    </div>
                @endif

                {{-- Открытые дефициты --}}
                @php
                    $openShortages = $spare_part->shortages()
                        ->where('status', \App\Models\Shortage::STATUS_OPEN)
                        ->with('reclamation')
                        ->orderByDesc('created_at')
                        ->get();
                @endphp
                @if($openShortages->count() > 0)
                    <div class="row mb-4">
                        <div class="col-12">
                            <h4 class="text-danger">Открытые дефициты <span class="badge bg-danger">{{ $openShortages->count() }}</span></h4>
                            <div class="table-responsive">
                                <table class="table table-sm table-danger">
                                    <thead>
                                        <tr>
                                            <th>Рекламация</th>
                                            <th class="text-center">Требуется</th>
                                            <th class="text-center">Зарезервировано</th>
                                            <th class="text-center">Не хватает</th>
                                            <th class="text-center">С док.</th>
                                            <th>Дата</th>
                                        </tr>
                                    </thead>
                                    <tbody>
                                        @foreach($openShortages as $shortage)
                                            <tr>
                                                <td>
                                                    @if($shortage->reclamation)
                                                        <a href="{{ route('reclamations.show', $shortage->reclamation->id) }}">
                                                            #{{ $shortage->reclamation->id }}
                                                        </a>
                                                    @else
                                                        -
                                                    @endif
                                                </td>
                                                <td class="text-center">{{ $shortage->required_qty }}</td>
                                                <td class="text-center">{{ $shortage->reserved_qty }}</td>
                                                <td class="text-center fw-bold">{{ $shortage->missing_qty }}</td>
                                                <td class="text-center">
                                                    @if($shortage->with_documents)
                                                        <i class="bi bi-check-circle text-success"></i>
                                                    @else
                                                        <i class="bi bi-x-circle text-muted"></i>
                                                    @endif
                                                </td>
                                                <td>{{ $shortage->created_at->format('d.m.Y H:i') }}</td>
                                            </tr>
                                        @endforeach
                                    </tbody>
                                </table>
                            </div>
                        </div>
                    </div>
                @endif

                {{-- Партии (заказы) на складе --}}
                @php
                    $ordersInStock = $spare_part->orders()
                        ->where('status', \App\Models\SparePartOrder::STATUS_IN_STOCK)
                        ->where('available_qty', '>', 0)
                        ->orderByDesc('created_at')
                        ->get();
                @endphp
                @if($ordersInStock->count() > 0)
                    <div class="row mb-4">
                        <div class="col-12">
                            <h4>Партии на складе <span class="badge bg-info">{{ $ordersInStock->count() }}</span></h4>
                            <div class="table-responsive">
                                <table class="table table-sm table-striped">
                                    <thead>
                                        <tr>
                                            <th>ID</th>
                                            <th>Источник</th>
                                            <th class="text-center">Остаток</th>
                                            <th class="text-center">С док.</th>
                                            <th>Дата поступления</th>
                                        </tr>
                                    </thead>
                                    <tbody>
                                        @foreach($ordersInStock as $order)
                                            <tr>
                                                <td>
                                                    <a href="{{ route('spare_part_orders.show', $order->id) }}">#{{ $order->id }}</a>
                                                </td>
                                                <td>{{ $order->source_text ?: '-' }}</td>
                                                <td class="text-center">{{ $order->available_qty }}</td>
                                                <td class="text-center">
                                                    @if($order->with_documents)
                                                        <i class="bi bi-check-circle text-success"></i>
                                                    @else
                                                        <i class="bi bi-x-circle text-muted"></i>
                                                    @endif
                                                </td>
                                                <td>{{ $order->updated_at->format('d.m.Y') }}</td>
                                            </tr>
                                        @endforeach
                                    </tbody>
                                </table>
                            </div>
                        </div>
                    </div>
                @endif

                {{-- История движений --}}
                @php
                    $movements = $spare_part->movements()
                        ->with('user', 'sparePartOrder')
                        ->orderByDesc('created_at')
                        ->limit(50)
                        ->get();
                @endphp
                <div class="row mb-4">
                    <div class="col-12">
                        <h4>История движений <span class="badge bg-secondary">{{ $spare_part->movements()->count() }}</span></h4>
                        @if($movements->count() > 0)
                            <div class="table-responsive">
                                <table class="table table-sm table-striped">
                                    <thead>
                                        <tr>
                                            <th>Дата</th>
                                            <th>Тип</th>
                                            <th>Партия</th>
                                            <th class="text-center">Кол-во</th>
                                            <th class="text-center">С док.</th>
                                            <th>Примечание</th>
                                            <th>Пользователь</th>
                                        </tr>
                                    </thead>
                                    <tbody>
                                        @foreach($movements as $movement)
                                            <tr class="@if($movement->movement_type === 'issue') table-danger @elseif($movement->movement_type === 'reserve') table-warning @elseif($movement->movement_type === 'receipt') table-success @elseif($movement->movement_type === 'reserve_cancel') table-info @endif">
                                                <td>{{ $movement->created_at->format('d.m.Y H:i') }}</td>
                                                <td>{{ $movement->type_name }}</td>
                                                <td>
                                                    @if($movement->sparePartOrder)
                                                        <a href="{{ route('spare_part_orders.show', $movement->sparePartOrder->id) }}">#{{ $movement->sparePartOrder->id }}</a>
                                                    @else
                                                        -
                                                    @endif
                                                </td>
                                                <td class="text-center">{{ $movement->qty }}</td>
                                                <td class="text-center">
                                                    @if($movement->with_documents)
                                                        <i class="bi bi-check-circle text-success"></i>
                                                    @else
                                                        <i class="bi bi-x-circle text-muted"></i>
                                                    @endif
                                                </td>
                                                <td>
                                                    {{ $movement->note }}
                                                    @if($movement->source_type === 'reclamation' && $movement->source_id)
                                                        <br><small><a href="{{ route('reclamations.show', $movement->source_id) }}">Рекламация #{{ $movement->source_id }}</a></small>
                                                    @endif
                                                </td>
                                                <td>{{ $movement->user->name ?? '-' }}</td>
                                            </tr>
                                        @endforeach
                                    </tbody>
                                </table>
                            </div>
                            @if($spare_part->movements()->count() > 50)
                                <p class="text-muted">Показаны последние 50 движений из {{ $spare_part->movements()->count() }}</p>
                            @endif
                        @else
                            <p class="text-muted">Движений пока нет</p>
                        @endif
                    </div>
                </div>
            @endif
        </div>
    </div>
</div>

@if($spare_part && hasRole('admin'))
    {{-- Модальное окно удаления --}}
    <div class="modal fade" id="deleteModal" tabindex="-1">
        <div class="modal-dialog">
            <div class="modal-content">
                <div class="modal-header">
                    <h5 class="modal-title">Подтверждение удаления</h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                </div>
                <div class="modal-body">
                    Вы действительно хотите удалить запчасть "{{ $spare_part->article }}"?
                </div>
                <div class="modal-footer">
                    <form action="{{ route('spare_parts.destroy', $spare_part) }}" method="POST">
                        @csrf
                        @method('DELETE')
                        <button type="submit" class="btn btn-danger">Удалить</button>
                        <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Отмена</button>
                    </form>
                </div>
            </div>
        </div>
    </div>
@endif

@push('scripts')
<style>
.autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 1050;
    background: white;
    border: 1px solid #dee2e6;
    border-top: none;
    border-radius: 0 0 .375rem .375rem;
    max-height: 250px;
    overflow-y: auto;
    display: none;
    box-shadow: 0 4px 6px rgba(0,0,0,.1);
}
.autocomplete-dropdown .autocomplete-item {
    padding: 8px 12px;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
}
.autocomplete-dropdown .autocomplete-item:last-child {
    border-bottom: none;
}
.autocomplete-dropdown .autocomplete-item:hover,
.autocomplete-dropdown .autocomplete-item.active {
    background-color: #e9ecef;
}
.autocomplete-dropdown .autocomplete-item .code {
    font-weight: 600;
    color: #495057;
}
.autocomplete-dropdown .autocomplete-item .description {
    font-size: 0.875em;
    color: #6c757d;
}
</style>
<script>
function waitForJQuery(callback) {
    if (typeof $ !== 'undefined') {
        callback();
    } else {
        setTimeout(function() { waitForJQuery(callback); }, 50);
    }
}

waitForJQuery(function() {
    $(document).ready(function() {
    @if(hasRole('admin'))
        //console.log('Autocomplete init started');

        // Общая функция для инициализации автокомплита
        function initAutocomplete(inputId, dropdownId, descriptionId, hintId, type) {
            const $input = $('#' + inputId);
            const $dropdown = $('#' + dropdownId);
            const $description = $('#' + descriptionId);
            const $hint = $('#' + hintId);
            let currentFocus = -1;
            let searchTimeout;

            //console.log('Init autocomplete for:', inputId, $input.length);

            // Обработка ввода
            $input.on('input', function() {
                const query = $(this).val().trim();
                clearTimeout(searchTimeout);
                //console.log('Input event:', inputId, query);

                if (query.length > 0) {
                    searchTimeout = setTimeout(function() {
                        // Поиск вариантов для автокомплита
                        $.get('{{ route('pricing_codes.search') }}', {
                            type: type,
                            query: query
                        }).done(function(data) {
                            //console.log('Search result:', data);
                            showDropdown(data, query);
                        }).fail(function(xhr) {
                            console.error('Search error:', xhr.status, xhr.responseText);
                        });

                        // Проверка точного соответствия для расшифровки
                        $.get('{{ route('pricing_codes.get_description') }}', {
                            type: type,
                            code: query
                        }).done(function(data) {
                            // console.log('Description result:', data);
                            if (data.description) {
                                $description.val(data.description);
                                $description.prop('readonly', true);
                                $hint.html('<i class="bi bi-check-circle text-success"></i> Код найден в справочнике');
                            } else {
                                $description.val('');
                                $description.prop('readonly', false);
                                $hint.html('<i class="bi bi-plus-circle text-primary"></i> Новый код - заполните расшифровку');
                            }
                        }).fail(function(xhr) {
                            console.error('Description error:', xhr.status, xhr.responseText);
                        });
                    }, 200);
                } else {
                    $dropdown.hide();
                    $description.val('');
                    $description.prop('readonly', false);
                    $hint.text('');
                }
            });

            // Показать выпадающий список
            function showDropdown(items, query) {
                $dropdown.empty();
                currentFocus = -1;

                if (items.length === 0) {
                    $dropdown.hide();
                    return;
                }

                items.forEach(function(item, index) {
                    const $item = $('<div class="autocomplete-item"></div>');
                    const highlightedCode = highlightMatch(item.code, query);
                    const highlightedDesc = item.description ? highlightMatch(item.description, query) : '';

                    $item.html('<div class="code">' + highlightedCode + '</div>' +
                               (item.description ? '<div class="description">' + highlightedDesc + '</div>' : ''));
                    $item.data('code', item.code);
                    $item.data('description', item.description || '');

                    $item.on('click', function() {
                        selectItem($(this));
                    });

                    $dropdown.append($item);
                });

                $dropdown.show();
            }

            // Подсветка совпадения
            function highlightMatch(text, query) {
                if (!text || !query) return text || '';
                const regex = new RegExp('(' + escapeRegex(query) + ')', 'gi');
                return text.replace(regex, '<strong>$1</strong>');
            }

            function escapeRegex(str) {
                return str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
            }

            // Выбор элемента
            function selectItem($item) {
                $input.val($item.data('code'));
                $description.val($item.data('description'));
                $description.prop('readonly', true);
                $hint.html('<i class="bi bi-check-circle text-success"></i> Код найден в справочнике');
                $dropdown.hide();
            }

            // Навигация клавиатурой
            $input.on('keydown', function(e) {
                const $items = $dropdown.find('.autocomplete-item');

                if (e.keyCode === 40) { // Стрелка вниз
                    e.preventDefault();
                    currentFocus++;
                    if (currentFocus >= $items.length) currentFocus = 0;
                    setActive($items);
                } else if (e.keyCode === 38) { // Стрелка вверх
                    e.preventDefault();
                    currentFocus--;
                    if (currentFocus < 0) currentFocus = $items.length - 1;
                    setActive($items);
                } else if (e.keyCode === 13) { // Enter
                    e.preventDefault();
                    if (currentFocus > -1 && $items.length > 0) {
                        selectItem($items.eq(currentFocus));
                    }
                } else if (e.keyCode === 27) { // Escape
                    $dropdown.hide();
                }
            });

            function setActive($items) {
                $items.removeClass('active');
                if (currentFocus >= 0 && currentFocus < $items.length) {
                    $items.eq(currentFocus).addClass('active');
                }
            }

            // Закрытие при клике вне
            $(document).on('click', function(e) {
                if (!$(e.target).closest('#' + inputId + ', #' + dropdownId).length) {
                    $dropdown.hide();
                }
            });

            // При фокусе показать список если есть значение
            $input.on('focus', function() {
                const query = $(this).val().trim();
                if (query.length > 0) {
                    $.get('{{ route('pricing_codes.search') }}', {
                        type: type,
                        query: query
                    }, function(data) {
                        showDropdown(data, query);
                    });
                }
            });
        }

        // Инициализация автокомплитов
        initAutocomplete('tsn_number', 'tsn_number_dropdown', 'tsn_number_description', 'tsn_number_hint', 'tsn_number');

        // Загрузка расшифровок при открытии страницы
        function loadInitialDescription(inputId, descriptionId, hintId, type) {
            const code = $('#' + inputId).val().trim();
            if (code.length > 0) {
                $.get('{{ route('pricing_codes.get_description') }}', {
                    type: type,
                    code: code
                }).done(function(data) {
                    if (data.description) {
                        $('#' + descriptionId).val(data.description);
                        $('#' + descriptionId).prop('readonly', true);
                        $('#' + hintId).html('<i class="bi bi-check-circle text-success"></i> Код найден в справочнике');
                    } else {
                        $('#' + descriptionId).prop('readonly', false);
                        $('#' + hintId).html('<i class="bi bi-plus-circle text-primary"></i> Новый код - заполните расшифровку');
                    }
                }).fail(function(xhr) {
                    console.error('Initial description error:', xhr.status, xhr.responseText);
                });
            }
        }

        loadInitialDescription('tsn_number', 'tsn_number_description', 'tsn_number_hint', 'tsn_number');

        // Функционал множественных шифров расценки
        function initPricingCodeAutocomplete($row) {
            const $input = $row.find('.pricing-code-input');
            const $dropdown = $row.find('.pricing-code-dropdown');
            const $description = $row.find('.pricing-code-description-input');
            const $hint = $row.find('.pricing-code-hint');
            let currentFocus = -1;
            let searchTimeout;

            $input.on('input', function() {
                const query = $(this).val().trim();
                clearTimeout(searchTimeout);

                if (query.length > 0) {
                    searchTimeout = setTimeout(function() {
                        $.get('{{ route('pricing_codes.search') }}', {
                            type: 'pricing_code',
                            query: query
                        }).done(function(data) {
                            showDropdownPricing($dropdown, data, query, $input, $description, $hint);
                        });

                        $.get('{{ route('pricing_codes.get_description') }}', {
                            type: 'pricing_code',
                            code: query
                        }).done(function(data) {
                            if (data.description) {
                                $description.val(data.description);
                                $description.prop('readonly', true);
                                $hint.html('<i class="bi bi-check-circle text-success"></i> Код найден в справочнике');
                            } else {
                                $description.val('');
                                $description.prop('readonly', false);
                                $hint.html('<i class="bi bi-plus-circle text-primary"></i> Новый код - заполните расшифровку');
                            }
                        });
                    }, 200);
                } else {
                    $dropdown.hide();
                    $description.val('');
                    $description.prop('readonly', false);
                    $hint.text('');
                }
            });

            $input.on('focus', function() {
                const query = $(this).val().trim();
                if (query.length > 0) {
                    $.get('{{ route('pricing_codes.search') }}', {
                        type: 'pricing_code',
                        query: query
                    }, function(data) {
                        showDropdownPricing($dropdown, data, query, $input, $description, $hint);
                    });
                }
            });

            $input.on('keydown', function(e) {
                const $items = $dropdown.find('.autocomplete-item');

                if (e.keyCode === 40) {
                    e.preventDefault();
                    currentFocus++;
                    if (currentFocus >= $items.length) currentFocus = 0;
                    $items.removeClass('active');
                    if (currentFocus >= 0) $items.eq(currentFocus).addClass('active');
                } else if (e.keyCode === 38) {
                    e.preventDefault();
                    currentFocus--;
                    if (currentFocus < 0) currentFocus = $items.length - 1;
                    $items.removeClass('active');
                    if (currentFocus >= 0) $items.eq(currentFocus).addClass('active');
                } else if (e.keyCode === 13) {
                    e.preventDefault();
                    if (currentFocus > -1 && $items.length > 0) {
                        $items.eq(currentFocus).trigger('click');
                    }
                } else if (e.keyCode === 27) {
                    $dropdown.hide();
                }
            });

            $(document).on('click', function(e) {
                if (!$(e.target).closest($row).length) {
                    $dropdown.hide();
                }
            });
        }

        function showDropdownPricing($dropdown, items, query, $input, $description, $hint) {
            $dropdown.empty();

            if (items.length === 0) {
                $dropdown.hide();
                return;
            }

            items.forEach(function(item) {
                const $item = $('<div class="autocomplete-item"></div>');
                const highlightedCode = highlightMatchPricing(item.code, query);
                const highlightedDesc = item.description ? highlightMatchPricing(item.description, query) : '';

                $item.html('<div class="code">' + highlightedCode + '</div>' +
                           (item.description ? '<div class="description">' + highlightedDesc + '</div>' : ''));
                $item.data('code', item.code);
                $item.data('description', item.description || '');

                $item.on('click', function() {
                    $input.val($(this).data('code'));
                    $description.val($(this).data('description'));
                    $description.prop('readonly', true);
                    $hint.html('<i class="bi bi-check-circle text-success"></i> Код найден в справочнике');
                    $dropdown.hide();
                });

                $dropdown.append($item);
            });

            $dropdown.show();
        }

        function highlightMatchPricing(text, query) {
            if (!text || !query) return text || '';
            const regex = new RegExp('(' + query.replace(/[.*+?^${}()|[\]\\]/g, '\\$&') + ')', 'gi');
            return text.replace(regex, '<strong>$1</strong>');
        }

        function loadInitialPricingCodeDescription($row) {
            const code = $row.find('.pricing-code-input').val().trim();
            const $description = $row.find('.pricing-code-description-input');
            const $hint = $row.find('.pricing-code-hint');

            if (code.length > 0) {
                $.get('{{ route('pricing_codes.get_description') }}', {
                    type: 'pricing_code',
                    code: code
                }).done(function(data) {
                    if (data.description) {
                        $description.val(data.description);
                        $description.prop('readonly', true);
                        $hint.html('<i class="bi bi-check-circle text-success"></i> Код найден в справочнике');
                    } else {
                        $description.prop('readonly', false);
                        $hint.html('<i class="bi bi-plus-circle text-primary"></i> Новый код - заполните расшифровку');
                    }
                });
            }
        }

        // Инициализация существующих строк
        $('.pricing-code-row').each(function() {
            initPricingCodeAutocomplete($(this));
            loadInitialPricingCodeDescription($(this));
        });

        // Добавление новой строки
        $('#btn_add_pricing_code').on('click', function() {
            const $container = $('#pricing_codes_container');
            const newIndex = $container.find('.pricing-code-row').length;
            const $newRow = $(`
                <div class="pricing-code-row row mb-2" data-index="${newIndex}">
                    <div class="col-md-5 position-relative">
                        <input type="text"
                               class="form-control pricing-code-input"
                               name="pricing_codes[]"
                               value=""
                               autocomplete="off"
                               placeholder="Код">
                        <div class="autocomplete-dropdown pricing-code-dropdown"></div>
                    </div>
                    <div class="col-md-5">
                        <input type="text"
                               class="form-control pricing-code-description-input"
                               name="pricing_codes_descriptions[]"
                               placeholder="Расшифровка">
                    </div>
                    <div class="col-md-2">
                        <button type="button" class="btn btn-outline-danger btn-remove-pricing-code" title="Удалить">
                            <i class="bi bi-trash"></i>
                        </button>
                    </div>
                    <div class="col-12"><div class="form-text pricing-code-hint"></div></div>
                </div>
            `);
            $container.append($newRow);
            initPricingCodeAutocomplete($newRow);
            $newRow.find('.pricing-code-input').focus();
        });

        // Удаление строки
        $(document).on('click', '.btn-remove-pricing-code', function() {
            const $container = $('#pricing_codes_container');
            if ($container.find('.pricing-code-row').length > 1) {
                $(this).closest('.pricing-code-row').remove();
            } else {
                // Если осталась одна строка, просто очищаем её
                const $row = $(this).closest('.pricing-code-row');
                $row.find('.pricing-code-input').val('');
                $row.find('.pricing-code-description-input').val('').prop('readonly', false);
                $row.find('.pricing-code-hint').text('');
            }
        });
    @endif
    });
});
</script>
@endpush
@endsection