@extends('dashboard.admin.layouts.master')

@section('content')
    <div class="d-flex flex-column flex-column-fluid">
        <div id="kt_app_toolbar" class="app-toolbar py-3 py-lg-6">
            <div id="kt_app_toolbar_container" class="app-container container-xxl d-flex flex-stack">
                <div class="page-title d-flex flex-column justify-content-center flex-wrap me-3">
                    <h1 class="page-heading d-flex text-dark fw-bold fs-3 flex-column justify-content-center my-0">{{ trans('sales.quotations.edit_title') }}</h1>
                </div>
                <div class="d-flex align-items-center gap-2 gap-lg-3">
                    <a href="{{ route('admin.dashboard.sales.quotations.show', $quotation) }}" class="btn btn-sm fw-bold btn-secondary">{{ trans('sales.quotations.back') }}</a>
                </div>
            </div>
        </div>

        <div id="kt_app_content" class="app-content flex-column-fluid">
            <div id="kt_app_content_container" class="app-container container-xxl">
                <form id="QuotationForm" action="{{ route('admin.dashboard.sales.quotations.update', $quotation) }}" method="POST">
                    @csrf
                    @method('PUT')
                    <div class="d-flex flex-column gap-7 gap-lg-10">

                        {{-- Header --}}
                        <div class="card card-flush py-4">
                            <div class="card-header">
                                <div class="card-title"><h2>{{ trans('sales.quotations.header_information') }}</h2></div>
                            </div>
                            <div class="card-body pt-0">
                                <div class="row g-5">
                                    <div class="col-md-4">
                                        <div class="mb-10 fv-row">
                                            <label class="required form-label">{{ trans('sales.quotations.quotation_date') }}</label>
                                            <input type="date" name="quotation_date" class="form-control @error('quotation_date') is-invalid @enderror" value="{{ old('quotation_date', $quotation->quotation_date->format('Y-m-d')) }}" />
                                            @error('quotation_date')<div class="invalid-feedback">{{ $message }}</div>@enderror
                                        </div>
                                    </div>
                                    <div class="col-md-4">
                                        <div class="mb-10 fv-row">
                                            <label class="form-label">{{ trans('sales.quotations.expiry_date') }}</label>
                                            <input type="date" name="expiry_date" class="form-control @error('expiry_date') is-invalid @enderror" value="{{ old('expiry_date', $quotation->expiry_date?->format('Y-m-d')) }}" />
                                            @error('expiry_date')<div class="invalid-feedback">{{ $message }}</div>@enderror
                                        </div>
                                    </div>
                                    <div class="col-md-4">
                                        <div class="mb-10 fv-row">
                                            <label class="required form-label">{{ trans('sales.quotations.customer') }}</label>
                                            <select name="customer_id" class="form-select @error('customer_id') is-invalid @enderror" data-control="select2" data-placeholder="{{ trans('sales.quotations.customer_placeholder') }}">
                                                <option value="">{{ trans('sales.quotations.customer_placeholder') }}</option>
                                                @foreach($customers as $customer)
                                                    <option value="{{ $customer->id }}" @selected(old('customer_id', $quotation->customer_id) == $customer->id)>{{ $customer->code }} — {{ $customer->name }}</option>
                                                @endforeach
                                            </select>
                                            @error('customer_id')<div class="invalid-feedback">{{ $message }}</div>@enderror
                                        </div>
                                    </div>
                                </div>
                                <div class="row g-5">
                                    <div class="col-md-6">
                                        <div class="mb-10 fv-row">
                                            <label class="form-label">{{ trans('sales.quotations.branch') }}</label>
                                            <select name="branch_id" class="form-select @error('branch_id') is-invalid @enderror" data-control="select2" data-placeholder="{{ trans('sales.quotations.branch_placeholder') }}">
                                                <option value="">{{ trans('sales.quotations.branch_placeholder') }}</option>
                                                @foreach($branches as $branch)
                                                    <option value="{{ $branch->id }}" @selected(old('branch_id', $quotation->branch_id) == $branch->id)>{{ $branch->name }}</option>
                                                @endforeach
                                            </select>
                                            @error('branch_id')<div class="invalid-feedback">{{ $message }}</div>@enderror
                                        </div>
                                    </div>
                                </div>
                                <div class="row g-5">
                                    <div class="col-md-6">
                                        <div class="mb-10 fv-row">
                                            <label class="form-label">{{ trans('sales.quotations.notes_ar') }}</label>
                                            <textarea name="notes[ar]" class="form-control" rows="3">{{ old('notes.ar', $quotation->getTranslation('notes', 'ar')) }}</textarea>
                                        </div>
                                    </div>
                                    <div class="col-md-6">
                                        <div class="mb-10 fv-row">
                                            <label class="form-label">{{ trans('sales.quotations.notes_en') }}</label>
                                            <textarea name="notes[en]" class="form-control" rows="3">{{ old('notes.en', $quotation->getTranslation('notes', 'en')) }}</textarea>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        </div>

                        {{-- Lines --}}
                        <div class="card card-flush py-4">
                            <div class="card-header">
                                <div class="card-title"><h2>{{ trans('sales.quotations.lines_information') }}</h2></div>
                                <div class="card-toolbar">
                                    <button type="button" class="btn btn-sm btn-light-primary" id="addLine">{{ trans('sales.quotations.add_line') }}</button>
                                </div>
                            </div>
                            <div class="card-body pt-0">
                                <div class="table-responsive">
                                    <table class="table table-bordered" id="linesTable">
                                        <thead>
                                            <tr>
                                                <th class="w-40">{{ trans('sales.quotations.item') }}</th>
                                                <th class="w-20">{{ trans('sales.quotations.quantity') }}</th>
                                                <th class="w-20">{{ trans('sales.quotations.unit_price') }}</th>
                                                <th class="w-15">{{ trans('sales.quotations.line_total') }}</th>
                                                <th class="w-5"></th>
                                            </tr>
                                        </thead>
                                        <tbody id="linesBody">
                                            @foreach(old('lines', $quotation->lines->toArray()) as $index => $line)
                                                <tr>
                                                    <td>
                                                        <select name="lines[{{ $index }}][item_id]" class="form-select form-select-sm" data-control="select2">
                                                            <option value="">{{ trans('sales.quotations.item_placeholder') }}</option>
                                                            @foreach($items as $item)
                                                                <option value="{{ $item->id }}" @selected(($line['item_id'] ?? null) == $item->id)>{{ $item->code }} — {{ $item->name }}</option>
                                                            @endforeach
                                                        </select>
                                                    </td>
                                                    <td><input type="number" name="lines[{{ $index }}][quantity]" step="0.0001" min="0.0001" class="form-control form-control-sm line-qty" value="{{ $line['quantity'] ?? '' }}" /></td>
                                                    <td><input type="number" name="lines[{{ $index }}][unit_price]" step="0.0001" min="0" class="form-control form-control-sm line-price" value="{{ $line['unit_price'] ?? '' }}" /></td>
                                                    <td><input type="text" class="form-control form-control-sm line-total" readonly value="{{ isset($line['quantity'], $line['unit_price']) ? number_format($line['quantity'] * $line['unit_price'], 2) : ($line['line_total'] ?? '') }}" /></td>
                                                    <td><button type="button" class="btn btn-sm btn-light-danger remove-line">×</button></td>
                                                </tr>
                                            @endforeach
                                        </tbody>
                                    </table>
                                </div>
                                @error('lines')<div class="text-danger small mt-2">{{ $message }}</div>@enderror
                            </div>
                        </div>

                        <div class="d-flex justify-content-end">
                            <button type="submit" class="btn btn-primary">{{ trans('sales.quotations.save') }}</button>
                        </div>
                    </div>
                </form>
            </div>
        </div>
    </div>

    <template id="lineTemplate">
        <tr>
            <td>
                <select name="lines[__INDEX__][item_id]" class="form-select form-select-sm" data-control="select2">
                    <option value="">{{ trans('sales.quotations.item_placeholder') }}</option>
                    @foreach($items as $item)
                        <option value="{{ $item->id }}">{{ $item->code }} — {{ $item->name }}</option>
                    @endforeach
                </select>
            </td>
            <td><input type="number" name="lines[__INDEX__][quantity]" step="0.0001" min="0.0001" class="form-control form-control-sm line-qty" /></td>
            <td><input type="number" name="lines[__INDEX__][unit_price]" step="0.0001" min="0" class="form-control form-control-sm line-price" /></td>
            <td><input type="text" class="form-control form-control-sm line-total" readonly /></td>
            <td><button type="button" class="btn btn-sm btn-light-danger remove-line">×</button></td>
        </tr>
    </template>
@endsection

@section('js')
<script type="text/javascript" src="{{ asset('vendor/jsvalidation/js/jsvalidation.js') }}"></script>
{!! JsValidator::formRequest('App\Http\Requests\Admin\Sales\UpdateQuotationRequest', '#QuotationForm') !!}
<script>
    let lineIndex = {{ old('lines') ? count(old('lines')) : $quotation->lines->count() }};

    document.getElementById('addLine').addEventListener('click', function () {
        const template = document.getElementById('lineTemplate').innerHTML.replace(/__INDEX__/g, lineIndex++);
        const tbody = document.getElementById('linesBody');
        const div = document.createElement('div');
        div.innerHTML = template;
        const row = div.firstElementChild;
        tbody.appendChild(row);
        if (window.KTComponents) { KTComponents.init(); }
        bindRowEvents(row);
    });

    document.getElementById('linesBody').addEventListener('click', function (e) {
        if (e.target.classList.contains('remove-line')) {
            e.target.closest('tr').remove();
        }
    });

    function bindRowEvents(row) {
        row.querySelectorAll('.line-qty, .line-price').forEach(function (input) {
            input.addEventListener('input', function () { recalcRow(row); });
        });
    }

    function recalcRow(row) {
        const qty   = parseFloat(row.querySelector('.line-qty').value)   || 0;
        const price = parseFloat(row.querySelector('.line-price').value) || 0;
        row.querySelector('.line-total').value = (qty * price).toFixed(2);
    }

    document.querySelectorAll('#linesBody tr').forEach(bindRowEvents);
</script>
@endsection