@php
    // Ensure $products_to_loop is always iterable and each item is an object
    if ($product instanceof \Illuminate\Support\Collection) {
        $products_to_loop = $product->map(function($p){ return (object)$p; });
    } elseif (is_array($product)) {
        $products_to_loop = collect($product)->map(function($p){ return (object)$p; });
    } else {
        $products_to_loop = collect([$product]);
    }

    if (is_array($product) || $product instanceof \Illuminate\Support\Collection) {
    $row_index_start = $row_index; // original index from request
    foreach ($product as $key => $p) {
        $p->row_index = $row_index_start + $key; // assign unique row_index per variation
    }
    } else {
        $product->row_index = $row_index;
    }
@endphp

@foreach($products_to_loop as $product)

    <tr class="product_row">
        @php
            $max_qty_rule = $product->qty_available;
            $formatted_max_quantity = $product->formatted_qty_available;
            $max_qty_msg = __('validation.custom-messages.quantity_not_available', ['qty'=> $formatted_max_quantity, 'unit' => $product->unit  ]);
            $allow_decimal = true;
             
            $row_index= $product->row_index;
  
        @endphp
        <td>
            {{$product->product_name}}
            <br/>
            {{$product->sub_sku}}

                @if( session()->get('business.enable_lot_number') == 1 || session()->get('business.enable_product_expiry') == 1)
                @php
                    $lot_enabled = session()->get('business.enable_lot_number');
                    $exp_enabled = session()->get('business.enable_product_expiry');
                    $lot_no_line_id = '';
                    if(!empty($product->lot_no_line_id)){
                        $lot_no_line_id = $product->lot_no_line_id;
                    }
                @endphp
                @if($product->enable_stock == 1)
                    <br>
                    <small class="text-muted" style="white-space: nowrap;">@lang('report.current_stock'): <span class="qty_available_text">{{$product->formatted_qty_available}}</span> {{ $product->unit }}</small>
                @endif
                @if(!empty($product->lot_numbers))
                    <select class="form-control lot_number" name="products[{{$row_index}}][lot_no_line_id]">
                        <option value="">@lang('lang_v1.lot_n_expiry')</option>
                        @foreach($product->lot_numbers as $lot_number)
                            @php
                                $selected = "";
                                if($lot_number->purchase_line_id == $lot_no_line_id){
                                    $selected = "selected";

                                    $max_qty_rule = $lot_number->qty_available;
                                    $max_qty_msg = __('lang_v1.quantity_error_msg_in_lot', ['qty'=> $lot_number->qty_formated, 'unit' => $product->unit  ]);
                                }

                                $expiry_text = '';
                                if($exp_enabled == 1 && !empty($lot_number->exp_date)){
                                    if( \Carbon::now()->gt(\Carbon::createFromFormat('Y-m-d', $lot_number->exp_date)) ){
                                        $expiry_text = '(' . __('report.expired') . ')';
                                    }
                                }
                            @endphp
                            <option value="{{$lot_number->purchase_line_id}}" data-qty_available="{{$lot_number->qty_available}}" data-msg-max="@lang('lang_v1.quantity_error_msg_in_lot', ['qty'=> $lot_number->qty_formated, 'unit' => $product->unit  ])" {{$selected}}>@if(!empty($lot_number->lot_number) && $lot_enabled == 1){{$lot_number->lot_number}} @endif @if($lot_enabled == 1 && $exp_enabled == 1) - @endif @if($exp_enabled == 1 && !empty($lot_number->exp_date)) @lang('product.exp_date'): {{@format_date($lot_number->exp_date)}} @endif {{$expiry_text}}</option>
                        @endforeach
                    </select>
                @endif
            @endif
        </td>
        <td>
            @php
                if(empty($product->quantity_ordered)) {
                    $product->quantity_ordered = 1;
                }
                $multiplier = 1;
                if($product->unit_allow_decimal != 1) {
                    $allow_decimal = false;
                }

                $qty_ordered = $product->quantity_ordered;
            @endphp
            @foreach($sub_units as $key => $value)
                @if(!empty($product->sub_unit_id) && $product->sub_unit_id == $key)
                    @php
                        $multiplier = $value['multiplier'];
                        $max_qty_rule = $max_qty_rule / $multiplier;
                        $unit_name = $value['name'];
                        $max_qty_msg = __('validation.custom-messages.quantity_not_available', ['qty'=> $max_qty_rule, 'unit' => $unit_name  ]);

                        if(!empty($product->lot_no_line_id)){
                            $max_qty_msg = __('lang_v1.quantity_error_msg_in_lot', ['qty'=> $max_qty_rule, 'unit' => $unit_name  ]);
                        }

                        if($value['allow_decimal']) {
                            $allow_decimal = true;
                        }
                    @endphp
                @endif
            @endforeach
            @php
                $qty_ordered = $product->quantity_ordered / $multiplier;
            @endphp

            {{-- If edit then transaction sell lines will be present --}}
            @if(!empty($product->transaction_sell_lines_id))
                <input type="hidden" name="products[{{$row_index}}][transaction_sell_lines_id]" class="form-control" value="{{$product->transaction_sell_lines_id}}">
            @endif

            <input type="hidden" name="products[{{$row_index}}][product_id]" class="form-control product_id" value="{{$product->product_id}}">

            <input type="hidden" value="{{$product->variation_id}}" 
                name="products[{{$row_index}}][variation_id]">

            <input type="hidden" value="{{$product->enable_stock}}" 
                name="products[{{$row_index}}][enable_stock]">
            
            @if(empty($product->quantity_ordered))
                @php
                    $product->quantity_ordered = 1;
                @endphp
            @endif

            <input type="text" class="form-control product_quantity input_number input_quantity" value="{{@format_quantity($qty_ordered)}}" name="products[{{$row_index}}][quantity]" 
            @if($product->unit_allow_decimal == 1) data-decimal=1 @else data-rule-abs_digit="true" data-msg-abs_digit="@lang('lang_v1.decimal_value_not_allowed')" data-decimal=0 @endif
            data-rule-required="true" data-msg-required="@lang('validation.custom-messages.this_field_is_required')" @if($product->enable_stock) data-rule-max-value="{{$max_qty_rule}}" data-msg-max-value="{{$max_qty_msg}}"
            data-qty_available="{{$product->qty_available}}" 
            data-msg_max_default="@lang('validation.custom-messages.quantity_not_available', ['qty'=> $product->formatted_qty_available, 'unit' => $product->unit  ])" @endif >
            <input type="hidden" class="base_unit_multiplier" name="products[{{$row_index}}][base_unit_multiplier]" value="{{$multiplier}}">

            <input type="hidden" class="hidden_base_unit_price" value="{{$product->last_purchased_price}}">

            <input type="hidden" name="products[{{$row_index}}][product_unit_id]" value="{{$product->unit_id}}">
            @if(!empty($sub_units))
                <br>
                <select name="products[{{$row_index}}][sub_unit_id]" class="form-control input-sm sub_unit">
                    @foreach($sub_units as $key => $value)
                        <option value="{{$key}}" data-multiplier="{{$value['multiplier']}}" data-unit_name="{{$value['name']}}" data-allow_decimal="{{$value['allow_decimal']}}" @if(!empty($product->sub_unit_id) && $product->sub_unit_id == $key) selected @endif>
                            {{$value['name']}}
                        </option>
                    @endforeach
                </select>
            @else 
                {{$product->unit}}
            @endif
        </td>
        <td class="show_price_with_permission">
            <input type="text" name="products[{{$row_index}}][unit_price]" class="form-control product_unit_price input_number payment_amount" value="{{@num_format($product->last_purchased_price * $multiplier)}}">
        </td>
        <td class="show_price_with_permission">
            <input type="text" readonly name="products[{{$row_index}}][price]" class="form-control product_line_total " value="{{@num_format($product->quantity_ordered*$product->last_purchased_price)}}">
        </td>
        <td class="text-center">
            <i class="fa fa-trash remove_product_row cursor-pointer" aria-hidden="true"></i>
        </td>
    </tr>
  
@endforeach
<script>$(document).ready(function () {
    $('.payment_amount').on('input', function () {
        let input = $(this);
        let val = input.val();

        // Allow only digits and one decimal point
        let cleaned = val.replace(/[^0-9.]/g, '');

        // Handle multiple dots (keep only the first)
        let parts = cleaned.split('.');
        let integerPart = parts[0];
        let decimalPart = parts[1] !== undefined ? parts[1].slice(0, 2) : '';

        // Add commas to integer part
        let formattedInt = integerPart.replace(/\B(?=(\d{3})+(?!\d))/g, ',');

        // Don't add dot if user typed it but there's no decimal part yet
        let result = decimalPart !== ''
            ? `${formattedInt}.${decimalPart}`
            : cleaned.endsWith('.') ? `${formattedInt}.` : formattedInt;

        input.val(result);
    });

    // On form submit: remove commas
    $('form').on('submit', function () {
        $('.payment_amount').each(function () {
            $(this).val($(this).val().replace(/,/g, ''));
        });
    });
});
</script>