{% load static %}
{% include 'includes/header.html' %}
{% include 'includes/store_sidebar.html' %}
{% include 'includes/navbar.html' %}
{% include 'includes/datatable_css.html' %}

<div class="container-xxl flex-grow-1 container-p-y">
    <div class="d-flex justify-content-between align-items-center mb-4">
        <div class="d-flex align-items-center">
            <h4 class="mb-0 me-3">Purchase Return</h4>
            <a href="/purchase-return/add"><button type="button" class="btn btn-success btn-sm">Add</button></a> &nbsp
        </div>

        <nav aria-label="breadcrumb">
            <ol class="breadcrumb mb-0">
                <li class="breadcrumb-item">
                    <a href="/store/dashboard" class="d-flex align-items-center text-decoration-none">
                        <i class="ti tabler-home me-1"></i>
                    </a>
                </li>
                <li class="breadcrumb-item active" aria-current="page">Purchase Order</li>
            </ol>
        </nav>
    </div>

    <div class="card">
        <div class="card-header border-bottom">
            <div class="row mt-2">
                <div class="col-3">
                    <label class="form-label">Date Filter</label>
                    <input type="checkbox" id="is_date" checked>
                    <input type="text" id="date_filter" class="form-control" style="cursor: pointer;" />
                    <input type="hidden" id="from_date" name="from_date">
                    <input type="hidden" id="to_date" name="to_date">
                </div>
                <div class="col-2 mb-5">
                    <label for="name" class="form-label">Supplier</label>
                    <select class="select2 form-control" id="filter_supplier_id" name="supplier_id">
                        <option value="">Select</option>
                        {% for k in supplier %}
                        <option value="{{k.id}}">{{k.name}}</option>
                        {% endfor %}
                    </select>
                </div>


                <div class="col-2 mt-6">
                    <button type="button" class="btn btn-primary" onclick="refresh_data()"><i
                            class="fas fa-search"></i>&nbsp; Search</button>
                    <input type="hidden" id="return_id" name="return_id" value="{{decoded_id}}">

                </div>
            </div>
        </div>
        <div class="card-body">
            <div class="card-datatable table-responsive pt-0">
                <table class="datatables-basic table table-bordered" id="datatable">
                    <thead>
                        {% csrf_token %}
                        <tr>
                            <th>Id</th>
                            <th>Action</th>
                            <th>PR NO</th>
                            <th>PR Date</th>
                            <th>Supplier Name</th>
                            <th>Total Quantity</th>
                            <th>Total Amount</th>
                            <!-- <th>Cash</th>
                            <th>Bank</th>
                            <th>Balance</th> -->
                            <th>Return Status</th>
                            <th>Status</th>
                        </tr>
                    </thead>
                    <tbody></tbody>
                    <tfoot>
                        <th colspan="5" class="text-end fw-bold">Total :</th>
                        <th id="footer_qty" class="text-end fw-bold"></th>
                        <th id="footer_amount" class="text-end fw-bold"></th>
                        <!-- <th id="footer_cash" class="text-end fw-bold"></th>
                        <th id="footer_bank" class="text-end fw-bold"></th>
                        <th id="footer_balance" class="text-end fw-bold"></th> -->
                        <th id="footer_return_status" class="text-end fw-bold"></th>
                        <th id="footer_status" class="text-end fw-bold"></th>


                    </tfoot>
                </table>
            </div>





        </div>
    </div>
</div>


{% include 'includes/footer.html' %}
{% include 'includes/common_js.html' %}





<!-- SweetAlert2 -->

<script>

    var table;



    $(document).ready(function () {
        initializeDateRangePicker('this_month', '{{ decode_date|default:"" }}', true); // date range picker (function in common_js)
        refresh_data();

        if (sessionStorage.getItem('addSuccessMessage')) {
            showToast('success', "Purchase Return Saved successfully")
            sessionStorage.removeItem('addSuccessMessage');
        }

        if (sessionStorage.getItem('editSuccessMessage')) {
            showToast('success', "Purchase Order Updated successfully")
            sessionStorage.removeItem('editSuccessMessage');
        }


    });





    // datatable 
    function initializeDataTable() {
        table = $('#datatable').DataTable({
            "processing": true,
            "pageLength": 50,
            "destroy": true,
            "order": [],
            "dom": getDataTableDom(),
            "buttons": getExportButtons(),
            "columns": [
                { "data": "id", "title": " ID #" },
                { "data": "action", "title": "Action" },
                { "data": "po_no", "title": "PR NO" },
                { "data": "po_date", "title": "PR Date" },
                { "data": "supplier", "title": "Supplier Name" },
                { "data": "quantity", "title": "Total Quantity", "className": "text-end" },
                { "data": "amount", "title": "Total Amount", "className": "text-end" },
                // { "data": "cash", "title": "Cash","className": "text-end" },
                // { "data": "bank", "title": "Bank","className": "text-end" },
                // { "data": "balance", "title": "Balance","className": "text-end" },
                { "data": "pr_status", "title": "Return Status" },
                { "data": "status", "title": "Status" }
            ],
            "ajax": {
                "url": '/ajax_return_view/',
                "type": "POST",

                "data": function (data) {
                    data.csrfmiddlewaretoken = document.getElementsByName("csrfmiddlewaretoken")[0].value;
                    const supplier = $('#filter_supplier_id').val();
                    const isDateChecked = $('#is_date').is(":checked");
                    const fromDate = $('#from_date').val();
                    const toDate = $('#to_date').val();
                    const return_id = $('#return_id').val();


                    if (supplier) data.supplier = supplier;

                    if (return_id && return_id !== '0') {
                        data.return_id = return_id;
                        // ❌ do NOT send date filters
                    } else {
                        // ✅ apply date filter only when sales_id is 0 / empty
                        if (isDateChecked && fromDate && toDate) {
                            data.from_date = fromDate;
                            data.to_date = toDate;
                        }
                    }
                },
                dataSrc: function (response) {
                    if (response.message === 'permission') {
                        showSweetAlert('warning', response.error_message || 'You do not have permission to view.');
                        table.clear().draw();
                        return [];
                    }

                    return response.data || [];
                }
            },
            footerCallback: function (row, data, start, end, display) {
                const api = this.api();

                const intVal = function (i) {
                    return typeof i === 'string'
                        ? parseFloat(i.replace(/[^0-9.-]+/g, '')) || 0
                        : typeof i === 'number'
                            ? i
                            : 0;
                };

                const Quantity = data.reduce((sum, row) => sum + intVal(row.quantity), 0);
                const Amount = data.reduce((sum, row) => sum + intVal(row.amount), 0);
                // const Cash = data.reduce((sum, row) => sum + intVal(row.cash), 0);
                // const Bank = data.reduce((sum, row) => sum + intVal(row.bank), 0);
                // const Balance = data.reduce((sum, row) => sum + intVal(row.balance), 0);


                // Upate footer cells
                $('#footer_qty').html(Quantity.toLocaleString(undefined, { minimumFractionDigits: 2 }));
                $('#footer_amount').html(Amount.toLocaleString(undefined, { minimumFractionDigits: 2 }));
                // $('#footer_cash').html(Cash.toLocaleString(undefined, { minimumFractionDigits: 2 }));
                // $('#footer_bank').html(Bank.toLocaleString(undefined, { minimumFractionDigits: 2 }));               
                // $('#footer_balance').html(Balance.toLocaleString(undefined, { minimumFractionDigits: 2 }));               
                $('#footer_remarks').html('-');
                $('#footer_return_status').html('-');
                $('#footer_status').html('-');



            },
        });
    }


    function refresh_data() {
        if (!table) {
            initializeDataTable();
        } else {
            table.ajax.reload();
        }
    }


    function edit_data(id) {
        var encodedId = btoa(id);
        window.location.href = '/purchase-return/edit/?id=' + encodedId;
    }


    function delete_data(id) {
        Swal.fire({
            title: 'Delete Purchase Return',
            text: "What would you like to do with this purchase return? Reversing will bring items back to stock.",
            icon: 'warning',
            showCancelButton: true,
            showDenyButton: true,
            confirmButtonColor: '#d33',
            denyButtonColor: '#7367f0',
            cancelButtonColor: '#82868b',
            confirmButtonText: 'Permanent Delete',
            denyButtonText: 'Reverse Return',
            cancelButtonText: 'Cancel',
            customClass: {
                confirmButton: 'btn btn-danger me-2',
                denyButton: 'btn btn-primary me-2',
                cancelButton: 'btn btn-label-secondary'
            },
            buttonsStyling: false
        }).then((result) => {
            let action = '';
            if (result.isConfirmed) {
                action = 'delete';
            } else if (result.isDenied) {
                action = 'reverse';
            } else {
                return;
            }

            $.ajax({
                url: '/delete_tm_purchase_return/',
                method: 'POST',
                data: {
                    id: id,
                    action: action,
                    csrfmiddlewaretoken: '{{ csrf_token }}'
                },
                success: function (response) {
                    if (response.message === 'yes') {
                        showToast('success', "Purchase Return Deleted successfully");
                        refresh_data();
                    } else if (response.message === 'reversed') {
                        showToast('success', "Purchase Return Reversed successfully");
                        refresh_data();
                    } else {
                        showSweetAlert('warning', response.error_message || "Action failed");
                    }
                },
                error: function () {
                    showToast('error', "Something went wrong. Please try again.");
                }
            });
        });
    }








</script>