@php
    $po = $purchaseOrder ?? null;
    $deliveryDefault = ($po && !empty($po->expected_delivery_date))
        ? \Carbon\Carbon::parse($po->expected_delivery_date)->format('Y-m-d')
        : '';
    if (old('discount_amount') !== null) {
        $hdrDiscInput = old('discount_amount');
    } elseif ($po && ($po->discount_type ?? 'fixed') === 'percentage') {
        $pre = (float) ($po->subtotal ?? 0) + (float) ($po->discount_amount ?? 0);
        $hdrDiscInput = $pre > 0 ? round(100 * (float) ($po->discount_amount ?? 0) / $pre, 4) : 0;
    } else {
        $hdrDiscInput = old('discount_amount', $po?->discount_amount ?? 0);
    }
@endphp

<div class="row g-2 mb-1 gs-ro-fields-row">
    <div class="col-12 col-sm-6 col-lg-3">
        <div class="gpo-lbl">Delivery date</div>
        <input type="date" class="gpo-inp" name="expected_delivery_date" value="{{ old('expected_delivery_date', $deliveryDefault) }}">
    </div>
    <div class="col-12 col-sm-6 col-lg-3">
        <div class="gpo-lbl">Status</div>
        <select class="gpo-sel js-chosen js-chosen-compact" name="status">
            <option value="draft" @selected(old('status', $po?->status ?? 'draft') === 'draft')>Draft</option>
            <option value="sent" @selected(old('status', $po?->status ?? '') === 'sent')>Placed / Sent</option>
            <option value="acknowledged" @selected(old('status', $po?->status ?? '') === 'acknowledged')>Acknowledged</option>
        </select>
    </div>
</div>

<div class="row g-2 mb-1 gs-ro-fields-row align-items-start">
    <div class="col-12 col-sm-6 col-lg-3">
        <div class="gpo-lbl">Supplier (vendor)</div>
        <select class="gpo-sel js-chosen js-chosen-compact" name="vendor_ledger_id" id="vendorLedgerId" data-placeholder="Select vendor…">
            <option value="">— Select vendor —</option>
            @foreach($vendors as $vendor)
                <option value="{{ $vendor->id }}" @selected((string) old('vendor_ledger_id', $po?->vendor_ledger_id ?? '') === (string) $vendor->id)>
                    {{ \App\Support\GarageLedgerLabel::vendor($vendor) }}
                </option>
            @endforeach
        </select>
    </div>
    <div class="col-12 col-sm-6 col-lg-2">
        <div class="gpo-lbl">Your reference</div>
        <input type="text" class="gpo-inp" name="reference_number" value="{{ old('reference_number', $po?->reference_number ?? '') }}" placeholder="PO ref…">
    </div>
    <div class="col-12 col-sm-6 col-lg-2">
        <div class="gpo-lbl">Freight</div>
        <input type="number" step="0.01" min="0" class="gpo-inp" name="shipping_charges" id="gpoFreight" value="{{ old('shipping_charges', $po?->shipping_charges ?? 0) }}">
    </div>
    <div class="col-12 col-sm-6 col-lg-3">
        <div class="gpo-lbl">Comments</div>
        <input type="text" class="gpo-inp" name="internal_notes" value="{{ old('internal_notes', $po?->internal_notes ?? '') }}" placeholder="Internal notes…">
    </div>
</div>

@if(!empty($warehouseCtx['warehouses']) && count($warehouseCtx['warehouses']))
    @include('garage.partials.warehouse-location-fields', [
        'fieldPrefix' => 'poWh',
        'warehouses' => $warehouseCtx['warehouses'],
        'sectionsByWarehouse' => $warehouseCtx['sectionsByWarehouse'],
        'defaultWarehouseId' => $warehouseCtx['defaultWarehouseId'] ?? null,
        'defaultSectionId' => $warehouseCtx['defaultSectionId'] ?? null,
        'applyDefaults' => $warehouseCtx['applyDefaults'] ?? false,
        'useBootstrap' => true,
        'gridClass' => 'row g-2 mb-1 grg-wh-location gs-ro-fields-row',
        'colClass' => 'col-12 col-sm-6 col-lg-3',
        'labelClass' => 'gpo-lbl',
        'selectClass' => 'gpo-sel js-chosen js-chosen-compact',
    ])
@endif

<div class="row g-2 mb-1 gs-ro-fields-row">
    <div class="col-12">
        <div class="gpo-lbl mb-1">Order discount</div>
        <div class="d-flex flex-wrap align-items-center gap-2">
            <div class="gpo-disc-toggle" id="gpoHdrDiscType">
                <label class="gpo-disc-pill"><input type="radio" name="discount_type" value="fixed" @checked(old('discount_type', $po?->discount_type ?? 'fixed') === 'fixed')><span>Fixed PKR</span></label>
                <label class="gpo-disc-pill"><input type="radio" name="discount_type" value="percentage" @checked(old('discount_type', $po?->discount_type ?? '') === 'percentage')><span>Percent %</span></label>
            </div>
            <input type="number" step="0.01" min="0" class="gpo-inp" style="max-width:7rem;" name="discount_amount" id="gpoHdrDiscVal" value="{{ $hdrDiscInput }}">
        </div>
    </div>
</div>

<textarea class="d-none" name="vendor_notes">{{ old('vendor_notes', $po?->vendor_notes ?? '') }}</textarea>
<textarea class="d-none" name="terms_conditions">{{ old('terms_conditions', $po?->terms_conditions ?? '') }}</textarea>