{% 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: #e6f3ff !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">Exchange 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">Exchange Ledger</li>
            </ol>
        </nav>
    </div>

    <div class="card">
        <div class="card-header border-bottom">
            <div class="row">

                <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>

                {% if request.session.is_ho == 1 %}
                <div class="col-2 mb-4">
                    <label class="form-label">Branch</label>
                    <select class="select2 form-control" id="filter_branch_id" name="branch_id">
                        <option value="">All Branches</option>
                        {% for b in branch %}
                            <option value="{{ b.id }}"
                                {% if request.session.branch_id == b.id %}
                                    selected
                                {% endif %}>
                                {{ b.name }}
                            </option>
                        {% endfor %}
                    </select>
                </div>
                {% endif %}


                <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-4 mt-6 text-end">
                    <h5>Outstanding: <span id="closing_balance" class="text-danger">0.00 DR</span></h5>
                </div>

            </div>
        </div>

        <div class="card-body">
            <div class="card-datatable table-responsive pt-0">

                <table class="datatables-basic table" id="datatable">
                    <thead>
                        {% csrf_token %}
                        <tr>
                            <th>S.No</th>
                            <th>Receipt No</th>
                            <th>Date & Time</th>
                            <th>Type</th>
                            <th>Particulars</th>
                            <th>Credit (In) (₹)</th>
                            <th>Debit (Out) (₹)</th>
                            <th class="text-center">Balance (₹)</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');
        refresh_data(false);
    });

    function refresh_data() {
        initializeDataTable();
    }

    function initializeDataTable(loadData = true) {
        let options = {
            processing: true,
            pageLength: 100,
            destroy: true,
            order: [],
            searching: true,
            lengthChange: false,
            dom: getDataTableDom(),
            buttons: getExportButtons(),
            columns: [
                { data: "id", title: "S.NO", className: "text-start" },
                { data: "receipt", title: "Receipt No", className: "text-start" },
                { data: "date", title: "Date & Time", className: "text-start" },
                { data: "type", title: "Type", className: "text-start" },
                { data: "particulars", title: "Particulars", className: "text-start" },
                { data: "credit", title: "Credit (In) (₹)", className: "text-end" },
                { data: "debit", title: "Debit (Out) (₹)", className: "text-end" },
                { data: "balance", title: "Balance (₹)", className: "text-end" },
                { data: "employee", title: "Employee", className: "text-start" }
            ],
            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');
            }
        };

        if (loadData) {
            options.ajax = {
                url: '/ajax_exchange_ledger/',
                type: "POST",
                data: function (data) {
                    data.csrfmiddlewaretoken = $('input[name=csrfmiddlewaretoken]').val();
                    const isDateChecked = $('#is_date').is(":checked");
                    const fromDate = $('#from_date').val();
                    const toDate = $('#to_date').val();
                    const branchId = $('#filter_branch_id').val();
                    if (branchId) {
                        data.branch_id = branchId;
                    }

                    if (isDateChecked && fromDate && toDate) {
                        data.from_date = fromDate;
                        data.to_date = toDate;
                    }
                },
                dataSrc: function (response) {
                    if (!response.data || response.data.length === 0 || response.message === 'permission') {
                        $('#closing_balance').text('0.00 DR');
                        if (response.message === 'permission') {
                            showSweetAlert('warning', response.error_message || 'Permission denied.');
                        }
                        return [];
                    }

                    let closingBalance = response.closing_balance || "0.00 DR";
                    $('#closing_balance').text('₹ ' + closingBalance);

                    return response.data || [];
                }
            };
        } else {
            options.data = [];
        }

        table = $('#datatable').DataTable(options);
    }
</script>