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

<style>
    #datatable {
        border-collapse: collapse;
        width: 100%;
    }

    #datatable th,
    #datatable td {
        border: 1px solid #ccc;
        padding: 8px;
        text-align: center;
        vertical-align: middle;
    }

    #datatable thead th {
        background-color: #f9faf8;
        font-weight: bold;
    }

    .bg-credit {
        background-color: #d1f7d6 !important;
        /* Light green */
    }

    .bg-debit {
        background-color: #fce4e4 !important;
        /* Light red */
    }

    .bg-balance {
        background-color: #f0f8ff !important;
        /* Light blue */
    }
</style>

<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">Customer Ledger</h4>
        </div>

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

    <div class="card">
        <div class="card-header border-bottom">
            <div class="row">
                <div class="col-2">
                    <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">
                    <label class="form-label">Customer</label>
                    <select class="select2  form-control" id="filter_customer_id" name="filter_customer_id">
                        <option value="">Select</option>
                        {% for k in customer %}
                        <option value="{{ k.id }}">{{ k.name }} - {{k.phone}}</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>
                </div>
                <div class="col-6 text-end mt-4">
                    <h6 class="mb-1 text-muted">Total Outstanding</h6>
                    <h4 id="total_outstanding" class="fw-bold text-danger">
                        ₹ 0.00
                    </h4>
                </div>

            </div>
        </div>

        <div class="card-body">
            <div class="card-datatable table-responsive pt-0">
                <div class="ledger-legend mt-2">
                    <span class="me-3">
                        <strong>Dr</strong> =
                        <span class="text-success">Debit Balance</span>
                        (<small>Receivable</small>)
                    </span>

                    <span class="me-3">
                        <strong>Cr</strong> =
                        <span class="text-danger">Credit Balance</span>
                        (<small>Payable</small>)
                    </span>
                </div>

                <table class="datatables-basic table" id="datatable">
                    <thead>
                        {% csrf_token %}
                        <tr>
                            <th>S.No</th>
                            <th>R.N</th>
                            <th>Date</th>
                            <th>Type</th>
                            <th>Particulars</th>
                            <th>Credit (₹)</th>
                            <th>Debit (₹)</th>
                            <th class="text-center">Outstanding (₹)</th>
                            <th>Employee</th>
                        </tr>

                    </thead>
                </table>
            </div>
        </div>
    </div>






</div>

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

<script>
    var table;

    $(document).ready(function () {
        initializeDateRangePicker('this_month');
        initializeDateRangePicker('this_month');

        refresh_data();
    });




    function refresh_data() {
        if (!table) {
            initializeDataTable();
        } else {
            table.ajax.reload();
        }
    }
</script>
<script>
    function initializeDataTable() {
        table = $('#datatable').DataTable({
            processing: true,
            pageLength: 100,
            destroy: true,
            order: [],
            searching: true,
            lengthChange: false,
            dom: getDataTableDom(),
            buttons: getExportButtons(),

            columns: [
                { data: "id", title: "S.NO", className: "text-start" },              // 0
                { data: "receipt", title: "R.NO", className: "text-start" },         // 1
                { data: "date", title: "Date", className: "text-start" },            // 2
                { data: "type", title: "Type", className: "text-start" },            // 3
                { data: "particulars", title: "Particulars", className: "text-start" }, // 4
                { data: "credit", title: "Credit (₹)", className: "text-end" },  // 5
                { data: "debit", title: "Debit (₹)", className: "text-end" },    // 6
                { data: "outstanding", title: "Outstanding (₹)", className: "text-end" },  //11
                { data: "employee", title: "Employee", className: "text-start" }                      //14
            ],

            ajax: {
                url: '/customer_ledger_view/',
                type: "POST",
                data: function (data) {
                    data.csrfmiddlewaretoken = document.getElementsByName("csrfmiddlewaretoken")[0].value;
                    const isDateChecked = $('#is_date').is(":checked");
                    const fromDate = $('#from_date').val();
                    const toDate = $('#to_date').val();
                    const customerId = $('#filter_customer_id').val();


                    if (customerId) {
                        data.customer_id = customerId;
                    }

                    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 this ledger.'
                        );
                        table.clear().draw();
                        return [];
                    }

                    let totalOutstanding = response.total_outstanding || '0.00';
                    let totalType = response.total_type || '';

                    // ✅ Display amount WITH type
                    // Display amount WITH DR / CR
                    $('#total_outstanding').text(`₹ ${totalOutstanding} (${totalType})`);

                    // ✅ Color strictly based on DR / CR
                    if (totalType === 'DR') {
                        $('#total_outstanding')
                            .removeClass('text-danger')
                            .addClass('text-success');
                    } else if (totalType === 'CR') {
                        $('#total_outstanding')
                            .removeClass('text-success')
                            .addClass('text-danger');
                    } else {
                        $('#total_outstanding')
                            .removeClass('text-success text-danger');
                    }

                    return response.data || [];
                }


            },

            rowCallback: function (row, data) {
                $('td:eq(5)', row).addClass('bg-credit');
                $('td:eq(6)', row).addClass('bg-debit');
                $('td:eq(7)', row).addClass('bg-balance');


            }

        });
    }

    function refresh_data() {
        if (!table) {
            initializeDataTable();
        } else {
            table.ajax.reload();
        }
    }
</script>