@extends('layout.main') @section('content')
@if(session()->has('not_permitted'))
  <div class="alert alert-danger alert-dismissible text-center"><button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">&times;</span></button>{{ session()->get('not_permitted') }}</div> 
@endif
<section class="forms">
    <div class="container-fluid">
        <div class="row">
            <div class="col-md-12">
                <div class="card">
                    <div class="card-header d-flex align-items-center">
                        <h4>{{trans('file.Add Purchase')}}</h4>
                    </div>
                    <div class="card-body">
                        <p class="italic"><small>{{trans('file.The field labels marked with * are required input fields')}}.</small></p>
                        {!! Form::open(['route' => 'purchases.store', 'method' => 'post', 'files' => true, 'id' => 'purchase-form']) !!}
                        <div class="row">
                            <div class="col-md-12">
                                <div class="row">
                                    @include('layout._section', ['icon' => 'fa-file-text-o', 'title' => 'Datos generales', 'sub' => 'Dónde, quién y cuándo'])
                                    <div class="col-md-6">
                                        <div class="form-group">
                                            <label><strong>{{trans('file.Warehouse')}} *</strong></label>
                                            <select required name="warehouse_id" class="selectpicker form-control" data-live-search="true" data-live-search-style="begins" title="Select warehouse...">
                                                @foreach($lims_warehouse_list as $warehouse)
                                                <option value="{{$warehouse->id}}">{{$warehouse->name}}</option>
                                                @endforeach
                                            </select>
                                        </div>
                                    </div>
                                    <div class="col-md-6">
                                        <div class="form-group">
                                            <label><strong>{{trans('file.Supplier')}}</strong></label>
                                            <select name="supplier_id" class="selectpicker form-control" data-live-search="true" data-live-search-style="begins" title="Select supplier...">
                                                @foreach($lims_supplier_list as $supplier)
                                                <option value="{{$supplier->id}}">{{$supplier->name .' ('. $supplier->company_name .')'}}</option>
                                                @endforeach
                                            </select>
                                        </div>
                                    </div>
                                </div>
                                <div class="row">  
                                    <div class="col-md-6">
                                        <div class="form-group">
                                            <label><strong>{{trans('file.Purchase Status')}}</strong></label>
                                            <select name="status" class="form-control">
                                                <option value="1">{{trans('file.Recieved')}}</option>
                                                <option value="2">{{trans('file.Partial')}}</option>
                                                <option value="3">{{trans('file.Pending')}}</option>
                                                <option value="4">{{trans('file.Ordered')}}</option>
                                            </select>
                                        </div>
                                    </div>
                                    <div class="col-md-6">
                                        <div class="form-group">
                                            <label><strong>{{trans('file.Attach Document')}}</strong></label> <i class="fa fa-question-circle" data-toggle="tooltip" title="Only jpg, jpeg, png, gif, pdf, csv, docx, xlsx and txt file is supported"></i>
                                            <input type="file" name="document" class="form-control" >
                                            @if($errors->has('extension'))
                                                <span>
                                                   <strong>{{ $errors->first('extension') }}</strong>
                                                </span>
                                            @endif
                                        </div>
                                    </div>
                                    @include('layout._section', ['icon' => 'fa-cubes', 'title' => 'Productos', 'sub' => 'Busca por nombre o código y ajusta las cantidades en la tabla'])
                                    <div class="col-md-12 mt-3">
                                        <label><strong>{{trans('file.Select Product')}}</strong></label>
                                        <div class="search-box input-group">
                                            <button class="btn btn-secondary"><i class="fa fa-barcode"></i></button>
                                            <input type="text" name="product_code_name" id="lims_productcodeSearch" placeholder="Please type product code and select..." class="form-control" />
                                        </div>
                                    </div>
                                </div>
                                <div class="row mt-4">
                                    <div class="col-md-12">
                                        <h5>{{trans('file.Order Table')}} *</h5>
                                        <div class="table-responsive mt-3">
                                            <table id="myTable" class="table table-hover order-list">
                                                <thead>
                                                    <tr>
                                                        <th>{{trans('file.name')}}</th>
                                                        <th>{{trans('file.Code')}}</th>
                                                        <th>{{trans('file.Quantity')}}</th>
                                                        <th class="recieved-product-qty d-none">{{trans('file.Recieved')}}</th>
                                                        <th>{{trans('file.Net Unit Cost')}}</th>
                                                        <th>{{trans('file.Discount')}}</th>
                                                        <th>{{trans('file.Tax')}}</th>
                                                        <th>{{trans('file.Subtotal')}}</th>
                                                        <th><i class="fa fa-trash"></i></th>
                                                    </tr>
                                                </thead>
                                                <tbody>
                                                </tbody>
                                                <tfoot class="tfoot active">
                                                    <th colspan="2">{{trans('file.Total')}}</th>
                                                    <th id="total-qty">0</th>
                                                    <th class="recieved-product-qty d-none"></th>
                                                    <th></th>
                                                    <th id="total-discount">0.00</th>
                                                    <th id="total-tax">0.00</th>
                                                    <th id="total">0.00</th>
                                                    <th><i class="fa fa-trash"></i></th>
                                                </tfoot>
                                            </table>
                                        </div>
                                    </div>
                                </div>
                                <div class="row">
                                    <div class="col-md-2">
                                        <div class="form-group">
                                            <input type="hidden" name="total_qty" />
                                        </div>
                                    </div>
                                    <div class="col-md-2">
                                        <div class="form-group">
                                            <input type="hidden" name="total_discount" />
                                        </div>
                                    </div>
                                    <div class="col-md-2">
                                        <div class="form-group">
                                            <input type="hidden" name="total_tax" />
                                        </div>
                                    </div>
                                    <div class="col-md-2">
                                        <div class="form-group">
                                            <input type="hidden" name="total_cost" />
                                        </div>
                                    </div>
                                    <div class="col-md-2">
                                        <div class="form-group">
                                            <input type="hidden" name="item" />
                                            <input type="hidden" name="order_tax" />
                                        </div>
                                    </div>
                                    <div class="col-md-2">
                                        <div class="form-group">
                                            <input type="hidden" name="grand_total" />
                                            <input type="hidden" name="paid_amount" value="0.00" />
                                            <input type="hidden" name="payment_status" value="1" />
                                        </div>
                                    </div>
                                </div>
                                <div class="row mt-3">
                                    @include('layout._section', ['icon' => 'fa-calculator', 'title' => 'Totales y extras', 'sub' => 'Impuesto general, descuento y envío'])
                                    <div class="col-md-4">
                                        <div class="form-group">
                                            <label><strong>{{trans('file.Order Tax')}}</strong></label>
                                            <select class="form-control" name="order_tax_rate">
                                                <option value="0">{{trans('file.No Tax')}}</option>
                                                @foreach($lims_tax_list as $tax)
                                                <option value="{{$tax->rate}}">{{$tax->name}}</option>
                                                @endforeach
                                            </select>
                                        </div>
                                    </div>
                                    <div class="col-md-4">
                                        <div class="form-group">
                                            <label>
                                                <strong>{{trans('file.Discount')}}</strong>
                                            </label>
                                            <input type="number" name="order_discount" class="form-control" step="any" />
                                        </div>
                                    </div>
                                    <div class="col-md-4">
                                        <div class="form-group">
                                            <label>
                                                <strong>{{trans('file.Shipping Cost')}}</strong>
                                            </label>
                                            <input type="number" name="shipping_cost" class="form-control" step="any" />
                                        </div>
                                    </div>
                                </div>
                                <div class="row">
                                    <div class="col-md-12">
                                        <div class="form-group">
                                            <label><strong>{{trans('file.Note')}}</strong></label>
                                            <textarea rows="5" class="form-control" name="note"></textarea>
                                        </div>
                                    </div>
                                </div>
                                <div class="form-group">
                                    <button type="submit" class="btn btn-primary" id="submit-btn">{{trans('file.submit')}}</button>
                                </div>
                            </div>
                        </div>
                        {!! Form::close() !!}
                    </div>
                </div>
            </div>
        </div>
    </div>
    <div class="container-fluid">
        <table class="table table-bordered table-condensed totals">
            <td><strong>{{trans('file.Items')}}</strong>
                <span class="pull-right" id="item">0.00</span>
            </td>
            <td><strong>{{trans('file.Total')}}</strong>
                <span class="pull-right" id="subtotal">0.00</span>
            </td>
            <td><strong>{{trans('file.Order Tax')}}</strong>
                <span class="pull-right" id="order_tax">0.00</span>
            </td>
            <td><strong>{{trans('file.Order Discount')}}</strong>
                <span class="pull-right" id="order_discount">0.00</span>
            </td>
            <td><strong>{{trans('file.Shipping Cost')}}</strong>
                <span class="pull-right" id="shipping_cost">0.00</span>
            </td>
            <td><strong>{{trans('file.grand total')}}</strong>
                <span class="pull-right" id="grand_total">0.00</span>
            </td>
        </table>
    </div>
    <div id="editModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true" class="modal fade text-left">
        <div role="document" class="modal-dialog">
            <div class="modal-content">
                <div class="modal-header">
                    <h5 id="modal-header" class="modal-title"></h5>
                    <button type="button" data-dismiss="modal" aria-label="Close" class="close"><span aria-hidden="true">×</span></button>
                </div>
                <div class="modal-body">
                    <form>
                        <div class="form-group">
                            <label><strong>{{trans('file.Quantity')}}</strong></label>
                            <input type="number" name="edit_qty" class="form-control" step="any">
                        </div>
                        <div class="form-group">
                            <label><strong>{{trans('file.Unit Discount')}}</strong></label>
                            <input type="number" name="edit_discount" class="form-control" step="any">
                        </div>
                        <div class="form-group">
                            <label><strong>{{trans('file.Unit Cost')}}</strong></label>
                            <input type="number" name="edit_unit_cost" class="form-control" step="any">
                        </div>
                                                    <div class="form-group">
                                <label><strong>{{trans('file.Tax Rate')}}</strong></label>
                                <select name="edit_tax_rate" class="form-control">
                                    @foreach($tax_name_all as $key => $name)
                                    <option value="{{$key}}">{{$name}}</option>
                                    @endforeach
                                </select>
                            </div>
                            <div class="form-group">
                                <label><strong>{{trans('file.Product Unit')}}</strong></label>
                                <select name="edit_unit" class="form-control">
                                </select>
                            </div>
                            <button type="button" name="update_btn" class="btn btn-primary">{{trans('file.update')}}</button>
                    </form>
                </div>
            </div>
        </div>
    </div>
</section>
<script type="text/javascript">

    $("ul#purchase").siblings('a').attr('aria-expanded','true');
    $("ul#purchase").addClass("show");
    $("ul#purchase #purchase-create-menu").addClass("active");

// array data depend on warehouse
var lims_product_array = [];
var product_code = [];
var product_name = [];
var product_qty = [];

// array data with selection
var product_cost = [];
var product_discount = [];
var tax_rate = [];
var tax_name = [];
var tax_method = [];
var unit_name = [];
var unit_operator = [];
var unit_operation_value = [];

// temporary array
var temp_unit_name = [];
var temp_unit_operator = [];
var temp_unit_operation_value = [];

var rowindex;
var customer_group_rate;
var row_product_cost;

$('.selectpicker').selectpicker({
    style: 'btn-link',
});

$('[data-toggle="tooltip"]').tooltip();

$('select[name="status"]').on('change', function() {
    if($('select[name="status"]').val() == 2){
        $(".recieved-product-qty").removeClass("d-none");
        $(".qty").each(function() {
            rowindex = $(this).closest('tr').index();
            $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('.recieved').val($(this).val());
        });

    }
    else if(($('select[name="status"]').val() == 3) || ($('select[name="status"]').val() == 4)){
        $(".recieved-product-qty").addClass("d-none");
        $(".recieved").each(function() {
            $(this).val(0);
        });
    }
    else {
        $(".recieved-product-qty").addClass("d-none");
        $(".qty").each(function() {
            rowindex = $(this).closest('tr').index();
            $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('.recieved').val($(this).val());
        });
    }
});

@foreach($lims_product_list as $product)
    @endforeach
var lims_product_code = [" ()"];

    var lims_productcodeSearch = $('#lims_productcodeSearch');

    lims_productcodeSearch.autocomplete({
    source: function(request, response) {
        var matcher = new RegExp(".?" + $.ui.autocomplete.escapeRegex(request.term), "i");
        response($.grep(lims_product_code, function(item) {
            return matcher.test(item);
        }));
    },
    response: function(event, ui) {
        if (ui.content.length == 1) {
            var data = ui.content[0].value;
            $(this).autocomplete( "close" );
            productSearch(data);
        };
    },
    select: function(event, ui) {
        var data = ui.item.value;
        productSearch(data);
    }
});

//Change quantity
$("#myTable").on('input', '.qty', function() {
    rowindex = $(this).closest('tr').index();
    checkQuantity($(this).val(), true);
});


//Delete product
$("table.order-list tbody").on("click", ".ibtnDel", function(event) {
    rowindex = $(this).closest('tr').index();
    product_cost.splice(rowindex, 1);
    product_discount.splice(rowindex, 1);
    tax_rate.splice(rowindex, 1);
    tax_name.splice(rowindex, 1);
    tax_method.splice(rowindex, 1);
    unit_name.splice(rowindex, 1);
    unit_operator.splice(rowindex, 1);
    unit_operation_value.splice(rowindex, 1);
    $(this).closest("tr").remove();
    calculateTotal();
});

//Edit product
$("table.order-list").on("click", ".edit-product", function() {
    rowindex = $(this).closest('tr').index();
    var row_product_name = $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('td:nth-child(1)').text();
    var row_product_code = $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('td:nth-child(2)').text();
    $('#modal-header').text(row_product_name + '(' + row_product_code + ')');

    var qty = $(this).closest('tr').find('.qty').val();
    $('input[name="edit_qty"]').val(qty);

    $('input[name="edit_discount"]').val(parseFloat(product_discount[rowindex]).toFixed(2));

    unitConversion();
    $('input[name="edit_unit_cost"]').val(row_product_cost.toFixed(2));

    var tax_name_all = ["No Tax"];
    var pos = tax_name_all.indexOf(tax_name[rowindex]);
    $('select[name="edit_tax_rate"]').val(pos);

    temp_unit_name = (unit_name[rowindex]).split(',');
    temp_unit_name.pop();
    temp_unit_operator = (unit_operator[rowindex]).split(',');
    temp_unit_operator.pop();
    temp_unit_operation_value = (unit_operation_value[rowindex]).split(',');
    temp_unit_operation_value.pop();
    $('select[name="edit_unit"]').empty();
    $.each(temp_unit_name, function(key, value) {
        $('select[name="edit_unit"]').append('<option value="' + key + '">' + value + '</option>');
    });
});

//Update product
$('button[name="update_btn"]').on("click", function() {
    var edit_discount = $('input[name="edit_discount"]').val();
    var edit_qty = $('input[name="edit_qty"]').val();
    var edit_unit_cost = $('input[name="edit_unit_cost"]').val();

    if (parseFloat(edit_discount) > parseFloat(edit_unit_cost)) {
        alert('Invalid Discount Input!');
        return;
    }

    var row_unit_operator = unit_operator[rowindex].slice(0, unit_operator[rowindex].indexOf(","));
    var row_unit_operation_value = unit_operation_value[rowindex].slice(0, unit_operation_value[rowindex].indexOf(","));
    row_unit_operation_value = parseFloat(row_unit_operation_value);
    var tax_rate_all = [0];


    tax_rate[rowindex] = parseFloat(tax_rate_all[$('select[name="edit_tax_rate"]').val()]);
    tax_name[rowindex] = $('select[name="edit_tax_rate"] option:selected').text();


    if (row_unit_operator == '*') {
        product_cost[rowindex] = $('input[name="edit_unit_cost"]').val() / row_unit_operation_value;
    } else {
        product_cost[rowindex] = $('input[name="edit_unit_cost"]').val() * row_unit_operation_value;
    }

    product_discount[rowindex] = $('input[name="edit_discount"]').val();
    var position = $('select[name="edit_unit"]').val();
    var temp_operator = temp_unit_operator[position];
    var temp_operation_value = temp_unit_operation_value[position];
    $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('.purchase-unit').val(temp_unit_name[position]);
    temp_unit_name.splice(position, 1);
    temp_unit_operator.splice(position, 1);
    temp_unit_operation_value.splice(position, 1);

    temp_unit_name.unshift($('select[name="edit_unit"] option:selected').text());
    temp_unit_operator.unshift(temp_operator);
    temp_unit_operation_value.unshift(temp_operation_value);

    unit_name[rowindex] = temp_unit_name.toString() + ',';
    unit_operator[rowindex] = temp_unit_operator.toString() + ',';
    unit_operation_value[rowindex] = temp_unit_operation_value.toString() + ',';
    checkQuantity(edit_qty, false);
});

function productSearch(data) {
    $.ajax({
        type: 'GET',
        url: 'lims_product_search',
        data: {
            data: data
        },
        success: function(data) {
            var flag = 1;
            $(".product-code").each(function(i) {
                if ($(this).val() == data[1]) {
                    rowindex = i;
                    var qty = parseFloat($('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ') .qty').val()) + 1;
                    $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ') .qty').val(qty);
                    calculateRowProductData(qty);
                    flag = 0;
                }
            });
            $("input[name='product_code_name']").val('');
            if(flag){
                var newRow = $("<tr>");
                var cols = '';
                temp_unit_name = (data[6]).split(',');
                cols += '<td>' + data[0] + '<button type="button" class="edit-product btn btn-link" data-toggle="modal" data-target="#editModal"> <i class="fa fa-edit"></i></button></td>';
                cols += '<td>' + data[1] + '</td>';
                cols += '<td><input type="number" class="form-control qty" name="qty[]" value="1" step="any" required/></td>';
                if($('select[name="status"]').val() == 1)
                    cols += '<td class="recieved-product-qty d-none"><input type="number" class="form-control recieved" name="recieved[]" value="1" step="any"/></td>';
                else if($('select[name="status"]').val() == 2)
                    cols += '<td class="recieved-product-qty"><input type="number" class="form-control recieved" name="recieved[]" value="1" step="any"/></td>';
                else
                    cols += '<td class="recieved-product-qty d-none"><input type="number" class="form-control recieved" name="recieved[]" value="0" step="any"/></td>';
                cols += '<td class="net_unit_cost"></td>';
                cols += '<td class="discount">0.00</td>';
                cols += '<td class="tax"></td>';
                cols += '<td class="sub-total"></td>';
                cols += '<td><button type="button" class="ibtnDel btn btn-md btn-danger">{{trans("file.delete")}}</button></td>';
                cols += '<input type="hidden" class="product-code" name="product_code[]" value="' + data[1] + '"/>';
                cols += '<input type="hidden" class="product-id" name="product_id[]" value="' + data[9] + '"/>';
                cols += '<input type="hidden" class="purchase-unit" name="purchase_unit[]" value="' + temp_unit_name[0] + '"/>';
                cols += '<input type="hidden" class="net_unit_cost" name="net_unit_cost[]" />';
                cols += '<input type="hidden" class="discount-value" name="discount[]" />';
                cols += '<input type="hidden" class="tax-rate" name="tax_rate[]" value="' + data[3] + '"/>';
                cols += '<input type="hidden" class="tax-value" name="tax[]" />';
                cols += '<input type="hidden" class="subtotal-value" name="subtotal[]" />';

                newRow.append(cols);
                $("table.order-list tbody").append(newRow);

                product_cost.push(parseFloat(data[2]));
                product_discount.push('0.00');
                tax_rate.push(parseFloat(data[3]));
                tax_name.push(data[4]);
                tax_method.push(data[5]);
                unit_name.push(data[6]);
                unit_operator.push(data[7]);
                unit_operation_value.push(data[8]);
                rowindex = newRow.index();
                calculateRowProductData(1);
            }
            
        }
    });
}

function checkQuantity(purchase_qty, flag) {
    var row_product_code = $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('td:nth-child(2)').text();
    var pos = product_code.indexOf(row_product_code);
    var operator = unit_operator[rowindex].split(',');
    var operation_value = unit_operation_value[rowindex].split(',');
    if(operator[0] == '*')
        total_qty = purchase_qty * operation_value[0];
    else if(operator[0] == '/')
        total_qty = purchase_qty / operation_value[0];

    $('#editModal').modal('hide');
    $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('.qty').val(purchase_qty);
    var status = $('select[name="status"]').val();
    if(status == '1' || status == '2' )
        $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('.recieved').val(purchase_qty);
    calculateRowProductData(purchase_qty);
}

function calculateRowProductData(quantity) {
    unitConversion();
    $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('td:nth-child(6)').text((product_discount[rowindex] * quantity).toFixed(2));
    $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('.discount-value').val((product_discount[rowindex] * quantity).toFixed(2));
    $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('.tax-rate').val(tax_rate[rowindex].toFixed(2));

    if (tax_method[rowindex] == 1) {
        var net_unit_cost = row_product_cost - product_discount[rowindex];
        var tax = net_unit_cost * quantity * (tax_rate[rowindex] / 100);
        var sub_total = (net_unit_cost * quantity) + tax;

        $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('td:nth-child(5)').text(net_unit_cost.toFixed(2));
        $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('.net_unit_cost').val(net_unit_cost.toFixed(2));
        $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('td:nth-child(7)').text(tax.toFixed(2));
        $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('.tax-value').val(tax.toFixed(2));
        $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('td:nth-child(8)').text(sub_total.toFixed(2));
        $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('.subtotal-value').val(sub_total.toFixed(2));
    } else {
        var sub_total_unit = row_product_cost - product_discount[rowindex];
        var net_unit_cost = (100 / (100 + tax_rate[rowindex])) * sub_total_unit;
        var tax = (sub_total_unit - net_unit_cost) * quantity;
        var sub_total = sub_total_unit * quantity;
    
        $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('td:nth-child(5)').text(net_unit_cost.toFixed(2));
        $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('.net_unit_cost').val(net_unit_cost.toFixed(2));
        $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('td:nth-child(7)').text(tax.toFixed(2));
        $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('.tax-value').val(tax.toFixed(2));
        $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('td:nth-child(8)').text(sub_total.toFixed(2));
        $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('.subtotal-value').val(sub_total.toFixed(2));
    }

    calculateTotal();
}

function unitConversion() {
    var row_unit_operator = unit_operator[rowindex].slice(0, unit_operator[rowindex].indexOf(","));
    var row_unit_operation_value = unit_operation_value[rowindex].slice(0, unit_operation_value[rowindex].indexOf(","));
    row_unit_operation_value = parseFloat(row_unit_operation_value);
    if (row_unit_operator == '*') {
        row_product_cost = product_cost[rowindex] * row_unit_operation_value;
    } else {
        row_product_cost = product_cost[rowindex] / row_unit_operation_value;
    }
}

function calculateTotal() {
    //Sum of quantity
    var total_qty = 0;
    $(".qty").each(function() {

        if ($(this).val() == '') {
            total_qty += 0;
        } else {
            total_qty += parseFloat($(this).val());
        }
    });
    $("#total-qty").text(total_qty);
    $('input[name="total_qty"]').val(total_qty);

    //Sum of discount
    var total_discount = 0;
    $(".discount").each(function() {
        total_discount += parseFloat($(this).text());
    });
    $("#total-discount").text(total_discount.toFixed(2));
    $('input[name="total_discount"]').val(total_discount.toFixed(2));

    //Sum of tax
    var total_tax = 0;
    $(".tax").each(function() {
        total_tax += parseFloat($(this).text());
    });
    $("#total-tax").text(total_tax.toFixed(2));
    $('input[name="total_tax"]').val(total_tax.toFixed(2));

    //Sum of subtotal
    var total = 0;
    $(".sub-total").each(function() {
        total += parseFloat($(this).text());
    });
    $("#total").text(total.toFixed(2));
    $('input[name="total_cost"]').val(total.toFixed(2));

    calculateGrandTotal();
}

function calculateGrandTotal() {

    var item = $('table.order-list tbody tr:last').index();

    var total_qty = parseFloat($('#total-qty').text());
    var subtotal = parseFloat($('#total').text());
    var order_tax = parseFloat($('select[name="order_tax_rate"]').val());
    var order_discount = parseFloat($('input[name="order_discount"]').val());
    var shipping_cost = parseFloat($('input[name="shipping_cost"]').val());

    if (!order_discount)
        order_discount = 0.00;
    if (!shipping_cost)
        shipping_cost = 0.00;

    item = ++item + '(' + total_qty + ')';
    order_tax = (subtotal - order_discount) * (order_tax / 100);
    var grand_total = (subtotal + order_tax + shipping_cost) - order_discount;

    $('#item').text(item);
    $('input[name="item"]').val($('table.order-list tbody tr:last').index() + 1);
    $('#subtotal').text(subtotal.toFixed(2));
    $('#order_tax').text(order_tax.toFixed(2));
    $('input[name="order_tax"]').val(order_tax.toFixed(2));
    $('#order_discount').text(order_discount.toFixed(2));
    $('#shipping_cost').text(shipping_cost.toFixed(2));
    $('#grand_total').text(grand_total.toFixed(2));
    $('input[name="grand_total"]').val(grand_total.toFixed(2));
}

$('input[name="order_discount"]').on("input", function() {
    calculateGrandTotal();
});

$('input[name="shipping_cost"]').on("input", function() {
    calculateGrandTotal();
});

$('select[name="order_tax_rate"]').on("change", function() {
    calculateGrandTotal();
});

$(window).keydown(function(e){
    if (e.which == 13) {
        var $targ = $(e.target);
        if (!$targ.is("textarea") && !$targ.is(":button,:submit")) {
            var focusNext = false;
            $(this).find(":input:visible:not([disabled],[readonly]), a").each(function(){
                if (this === e.target) {
                    focusNext = true;
                }
                else if (focusNext){
                    $(this).focus();
                    return false;
                }
            });
            return false;
        }
    }
});

$('#purchase-form').on('submit',function(e){
    var rownumber = $('table.order-list tbody tr:last').index();
    if (rownumber < 0) {
        alert("Please insert product to order table!")
        e.preventDefault();
    }

    else if($('select[name="status"]').val() != 1)
    {
        flag = 0;
        $(".qty").each(function() {
            rowindex = $(this).closest('tr').index();
            quantity =  $(this).val();
            recieved = $('table.order-list tbody tr:nth-child(' + (rowindex + 1) + ')').find('.recieved').val();

            if(quantity != recieved){
                flag = 1;
                return false;
            }
        });
        if(!flag){
            alert('Quantity and Recieved value is same! Please Change Purchase Status or Recieved value');
            e.preventDefault();
        }
    }
});
</script>
@endsection @section('scripts')
<script type="text/javascript" src="https://js.stripe.com/v3/"></script>

@endsection