{% load static %}
{% include 'includes/header.html' %}
{% if request.session.user_type == 'wholesale' %}
    {% include 'includes/wholesale_sidebar.html' %}
{% else %}
    {% include 'includes/store_sidebar.html' %}
{% endif %}

{% include 'includes/navbar.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">B2C Customer</h4>
            <button type="button" class="btn btn-success btn-sm" data-bs-toggle="modal"
                data-bs-target="#add_modal">Add</button> &nbsp
            <button type="button" class="btn btn-primary btn-sm" onclick="refresh_data()">Refresh</button>
        </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">Customer</li>
                <li class="breadcrumb-item active" aria-current="page">B2C Customer</li>
            </ol>
        </nav>
    </div>

    <div class="card">
        <div class="card-body">
            <div class="card-datatable table-responsive pt-0">
                <table class="datatables-basic table table-bordered" id="datatable">
                    <thead>
                        <tr>
                            <th>Id</th>
                            <th>Action</th>
                            <th>Store</th>
                            <th>Customer Type</th>
                            <th>Name</th>
                            <th>Email</th>
                            <th>Phone</th>
                            <th>Credit Days</th>
                            <th>Credit Limit (₹)</th>
                            <th>City</th>
                            <th>Status</th>
                        </tr>
                    </thead>
                </table>
            </div>
        </div>
    </div>


    <!-- add modal -->
    <div id="add_modal" class="modal fade" tabindex="-1" role="dialog" aria-labelledby="exampleModalLiveLabel"
        aria-hidden="true">
        <div class="modal-dialog modal-xl" role="document">
            <div class="modal-content">
                <div class="modal-header">
                    <h5 class="modal-title" id="exampleModalLiveLabel">Add B2C Customer</h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                </div>
                <form id="add_form">
                    <div class="modal-body">
                        {% csrf_token %}
                        <div class="row">
                            <div class="col-4 mb-5">
                                <label for="name" class="form-label"><span style="color: red;">*</span> Name</label>
                                <input class="form-control" type="text" minlength="3" id="name" name="name" required>
                                <small id="email-error" class="text-danger d-none"></small>
                            </div>

                            <div class="col-4 mb-5">
                                <label for="name" class="form-label">Customer Type</label>
                                <select class="select2  form-control" id="customer_type" name="customer_type" >
                                    <option value="">Select</option>
                                    <option value="wholesale">Wholesale</option>
                                    <option value="retail" selected>Retail</option>
                                </select>
                            </div>

                            <div class="col-4 mb-5">
                                <label for="name" class="form-label">Email</label>
                                <input class="form-control" type="email" id="email" name="email">
                            </div>
                            <!-- <div class="col-4 mb-5">
                                <label for="name" class="form-label"><span style="color: red;">*</span> Password</label>
                                <input class="form-control" type="password" id="password" name="password" required>
                            </div> -->


                            <div class="col-4 mb-5">
                                <label for="name" class="form-label"><span style="color: red;">*</span> Phone</label>
                                <input class="form-control" type="text" id="phone" name="phone" maxlength="10"
                                    pattern="[0-9]{10}" oninput="this.value = this.value.replace(/[^0-9]/g, '');"
                                    title="Enter a 10-digit mobile number" required>
                                <small id="phoneError" class="text-danger d-none">Customer with this phone already
                                    exists</small>
                            </div>

                            <div class="col-4 mb-5">
                                <label for="name" class="form-label">Credit Days</label>
                                <input class="form-control" type="number" id="credit_days" name="credit_days">
                            </div>

                            <div class="col-4 mb-5">
                                <label for="name" class="form-label">Credit Limit (₹)</label>
                                <input class="form-control" type="number" id="credit_limit" name="credit_limit">
                            </div>


                            <div class="col-2 mb-5">
                                <label for="name" class="form-label">City</label>
                                <input class="form-control" type="text" id="city" name="city" value="Tirupur">
                            </div>

                            <div class="col-2 mb-5">
                                <label for="name" class="form-label">State</label>
                                <input class="form-control" type="text" id="state" name="state" value="TamilNadu">
                            </div>

                            <div class="col-4 mb-5">
                                <label for="name" class="form-label">Pincode</label>
                                <input class="form-control" type="number" id="pincode" name="pincode" maxlength="6">
                            </div>
                            <div class="col-2 mb-5">
                                <label for="name" class="form-label">Receivable (₹)</label>
                                <input class="form-control" type="number" step="0.01" id="receivable" name="receivable">
                            </div>
                            <div class="col-2 mb-5">
                                <label for="name" class="form-label">Payable (₹)</label>
                                <input class="form-control" type="number" step="0.01" id="payable" name="payable">
                            </div>


                            <div class="col-6 mb-5">
                                <label for="address" class="form-label">Address</label>
                                <textarea class="form-control" id="address" rows="3" name="address"></textarea>
                            </div>
                            <div class="col-6 mb-5">
                                <label for="remarks" class="form-label">Remarks</label>
                                <textarea class="form-control" id="remarks" rows="3" name="remarks"></textarea>
                            </div>
                        </div>
                    </div>
                    <div class="modal-footer">
                        <button type="button" class="btn btn-danger" data-bs-dismiss="modal">Close</button>
                        <input type="hidden" id="c_type" name="c_type" value="{{c_type}}">
                        <button type="submit" class="btn btn-success" id="submitBtn">Add</button>
                    </div>
                </form>
            </div>
        </div>
    </div>


    <div id="edit_modal" class="modal fade" tabindex="-1" role="dialog" aria-labelledby="exampleModalLiveLabel"
        aria-hidden="true">
        <div class="modal-dialog modal-xl" role="document">
            <div class="modal-content">
                <div class="modal-header">
                    <h5 class="modal-title" id="exampleModalLiveLabel">Edit B2C Customer</h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                </div>
                <form id="edit_form">
                    <div class="modal-body">
                        {% csrf_token %}
                        <div class="row">
                            <div class="col-4 mb-5">
                                <label for="name" class="form-label"><span style="color: red;">*</span> Name</label>
                                <input class="form-control" type="text" minlength="3" id="edit_name" name="name"
                                    required>
                                <small id="edit-email-error" class="text-danger d-none"></small>
                            </div>
                            <div class="col-4 mb-5">
                                <label for="name" class="form-label">Customer Type</label>
                                <select class="select2  form-control" id="edit_customer_type" name="customer_type" >
                                    <option value="">Select</option>
                                    <option value="wholesale">Wholesale</option>
                                    <option value="retail">Retail</option>
                                </select>
                            </div>



                            <div class="col-4 mb-5">
                                <label for="name" class="form-label">Email</label>
                                <input class="form-control" type="email" id="edit_email" name="email">
                            </div>
                            <!-- <div class="col-4 mb-5">
                                <label for="name" class="form-label"><span style="color: red;">*</span> Password</label>
                                <input class="form-control" type="password" id="edit_password" name="password" required>
                            </div> -->



                            <div class="col-4 mb-5">
                                <label for="name" class="form-label"><span style="color: red;">*</span> Phone</label>
                                <input class="form-control" type="text" id="edit_phone" name="phone" maxlength="10"
                                    pattern="[0-9]{10}" oninput="this.value = this.value.replace(/[^0-9]/g, '');"
                                    title="Enter a 10-digit mobile number" required>
                                <small id="editPhoneError" class="text-danger d-none">Customer with this phone already
                                    exists</small>

                            </div>



                            <div class="col-4 mb-5">
                                <label for="name" class="form-label">Credit Days</label>
                                <input class="form-control" type="number" id="edit_credit_days" name="credit_days">
                            </div>

                            <div class="col-4 mb-5">
                                <label for="name" class="form-label">Credit Limit (₹)</label>
                                <input class="form-control" type="number" id="edit_credit_limit" name="credit_limit">
                            </div>

                            <div class="col-4 mb-5">
                                <label for="name" class="form-label">City</label>
                                <input class="form-control" type="text" id="edit_city" name="city" value="Tirupur">
                            </div>

                            <div class="col-4 mb-5">
                                <label for="name" class="form-label">State</label>
                                <input class="form-control" type="text" id="edit_state" name="state" value="TamilNadu">
                            </div>

                            <div class="col-4 mb-5">
                                <label for="name" class="form-label">Pincode</label>
                                <input class="form-control" type="text" id="edit_pincode" name="pincode" maxlength="6">
                            </div>
                            <div class="col-4 mb-5">
                                <label for="name" class="form-label">Receivable (₹)</label>
                                <input class="form-control" type="number" step="0.01" id="edit_receivable"
                                    name="receivable">
                            </div>
                            <div class="col-4 mb-5">
                                <label for="name" class="form-label">Payable (₹)</label>
                                <input class="form-control" type="number" step="0.01" id="edit_payable" name="payable">
                            </div>



                            <div class="col-4 mb-5">
                                <label for="name" class="form-label">Status</label>
                                <select class="select2  form-control" id="edit_is_active" name="is_active">
                                    <option value="">Select</option>
                                    <option value="1">Active</option>
                                    <option value="0">Inactive</option>
                                </select>
                            </div>




                            <div class="col-6 mb-5">
                                <label for="address" class="form-label">Address</label>
                                <textarea class="form-control" id="edit_address" rows="3" name="address"></textarea>
                            </div>
                            <div class="col-6 mb-5">
                                <label for="remarks" class="form-label">Remarks</label>
                                <textarea class="form-control" id="edit_remarks" rows="3" name="remarks"></textarea>
                            </div>

                        </div>
                    </div>
                    <div class="modal-footer">
                        <input type="hidden" id="edit_id" name="id">
                        <input type="hidden" id="edit_branch_id" name="branch_id">

                        <input type="hidden" id="edit_c_type" name="c_type">
                        <button type="button" class="btn btn-danger" data-bs-dismiss="modal">Close</button>
                        <button type="submit" id="editSubmit" class="btn btn-success">Update</button>
                    </div>
                </form>
            </div>
        </div>
    </div>

</div>

{% include 'includes/footer.html' %}
{% include 'includes/common_js.html' %}
<script>
    var table;

    $(document).ready(function () {
        refresh_data();
        bindReceivablePayableHandlers();
    });


    function initializeDataTable() {
        table = $('#datatable').DataTable({
            "processing": true,
            "pageLength": 50,
            "destroy": true,
            "order": [],
            "searching": true,
            "dom": getDataTableDom(),
            "buttons": getExportButtons(),
            "columns": [
                { "data": "id", "title": " ID #" },
                { "data": "action", "title": "Action" },
                { "data": "store", "title": " Store" },
                { "data": "type", "title": " Customer Type" },
                { "data": "name", "title": "Name" },
                { "data": "email", "title": "Email" },
                { "data": "phone", "title": "Phone" },
                { "data": "days", "title": "Credit Days", "className": "text-end" },
                { "data": "limit", "title": "Credit Limit (₹)", "className": "text-end" },
                { "data": "city", "title": "City" },
                { "data": "status", "title": "Status" }
            ],
            "ajax": {
                "url": '/customer_view/',
                "type": "POST",
                "data": function (data) {
                    data.csrfmiddlewaretoken = document.getElementsByName("csrfmiddlewaretoken")[0].value;
                    data.branch_id = $('#branch_id').val();
                    data.c_type = $('#c_type').val() || 0;
                },
                dataSrc: function (response) {
                    if (response.message === 'permission') {
                        showSweetAlert('warning', response.error_message || 'You do not have permission to view the user role.');
                        table.clear().draw();
                        return [];
                    }

                    return response.data || [];
                }
            }
        });
    }

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

    function edit_data(id, name) {
        var tkn = document.getElementsByName("csrfmiddlewaretoken")[0].value;
        $.post('/customer_edit/', { id: id, csrfmiddlewaretoken: tkn }, function (res) {
            $('#edit_id').val(res.id);
            $('#edit_c_type').val(res.c_type);
            $('#edit_name').val(res.name);
            $('#edit_email').val(res.email);
            $('#edit_phone').val(res.phone);
            $('#edit_mobile').val(res.mobile);
            $('#edit_customer_type').val(res.customer_type).trigger('change');
            $('#edit_city').val(res.city);
            $('#edit_state').val(res.state);
            $('#edit_pincode').val(res.pincode);
            $('#edit_credit_days').val(res.credit_days);
            $('#edit_credit_limit').val(res.credit_limit);
            $('#edit_gst').val(res.gst);
            $('#edit_contact_person').val(res.contact_person);
            $('#edit_address').val(res.address_line1);
            $('#edit_remarks').val(res.remarks);
            $('#edit_is_active').val(res.is_active).trigger("change");
            $('#edit_receivable').val(res.receivable);
            $('#edit_payable').val(res.payable);
            toggleReceivablePayable('#edit_receivable', '#edit_payable');
            checkCustomerPhone(res.phone, { currentId: res.id, errorEl: '#editPhoneError', submitBtn: '#editSubmit' });
            $('#edit_modal').modal('show');
        });
    }

    function toggleReceivablePayable(receivableSelector, payableSelector) {
        var receivableVal = parseFloat($(receivableSelector).val()) || 0;
        var payableVal = parseFloat($(payableSelector).val()) || 0;

        if (receivableVal !== 0) {
            $(payableSelector).prop('disabled', true);
            $(receivableSelector).prop('disabled', false);
        } else if (payableVal !== 0) {
            $(receivableSelector).prop('disabled', true);
            $(payableSelector).prop('disabled', false);
        } else {
            $(payableSelector).prop('disabled', false);
            $(receivableSelector).prop('disabled', false);
        }
    }

    function bindReceivablePayableHandlers() {
        $('#receivable, #payable, #edit_receivable, #edit_payable').on('input change', function () {
            if ($(this).attr('id').indexOf('edit_') === 0) {
                toggleReceivablePayable('#edit_receivable', '#edit_payable');
            } else {
                toggleReceivablePayable('#receivable', '#payable');
            }
        });

        $('#add_modal').on('shown.bs.modal', function () {
            toggleReceivablePayable('#receivable', '#payable');
        });

        $('#edit_modal').on('shown.bs.modal', function () {
            toggleReceivablePayable('#edit_receivable', '#edit_payable');
        });
    }


    $("#add_form").submit(function (e) {
        e.preventDefault();
        if ($(this).data('valid-email') === false) {
            showToast('info', 'Please fix form errors before submitting.');
            return;
        }
        handleFormSubmit(this, '/customer_add/', 'add_modal', 'add_form', true, 'Customer');
    });



    $("#edit_form").submit(function (e) {
        e.preventDefault();
        if ($(this).data('valid-email') === false) {
            showToast('info', 'Please fix form errors before submitting.');
            return;
        }
        handleFormSubmit(this, '/customer_update/', 'edit_modal', 'edit_form', false, 'Customer');
    });


    function delete_data(id) {
        deleteEntity('/customer_delete/', id, '{{ csrf_token }}', 'Customer');
    }


    function validateName(inputSelector, errorSelector, formSelector, itemId = '', storeId = '') {
        const name = $(inputSelector).val();
        const url = "/check_customer_name/";
        const data = { name: name };

        if (itemId) {
            data.id = itemId;
        }

        if (storeId) {
            data.store_id = storeId;
        }

        $.get(url, data, function (response) {
            if (response.exists) {
                $(errorSelector).text('This Name already exists.').removeClass('d-none');
                $(formSelector).data('valid-email', false);
            } else {
                $(errorSelector).text('').addClass('d-none');
                $(formSelector).data('valid-email', true);
            }
        });
    }

    $('#name').on('blur', function () {
        const storeId = $('#branch_id').val();
        validateName('#name', '#email-error', '#add_form', '', storeId); // Fixed: pass empty string for itemId
    });

    $('#edit_name').on('blur', function () {
        const editId = $('#edit_id').val();
        const storeId = $('#edit_branch_id').val();
        validateName('#edit_name', '#edit-email-error', '#edit_form', editId, storeId);
    });

    function checkCustomerPhone(phone, options = {}) {
        const {
            currentId = null,
            errorEl,
            submitBtn
        } = options;

        if (phone.length !== 10) {
            resetPhoneState(errorEl, submitBtn);
            return;
        }

        $.ajax({
            url: "/check_customer_phone/",
            type: "GET",
            data: {
                phone: phone,
                edit_id: currentId
            },
            success: function (res) {
                if (res.exists) {
                    $(submitBtn).prop('disabled', true);
                    $(errorEl).removeClass('d-none');
                } else {
                    resetPhoneState(errorEl, submitBtn);
                }
            }
        });
    }

    function resetPhoneState(errorEl, submitBtn) {
        $(submitBtn).prop('disabled', false);
        $(errorEl).addClass('d-none');
    }


    $('#phone').on('keyup blur', function () {
        checkCustomerPhone($(this).val(), {
            errorEl: '#phoneError',
            submitBtn: '#submitBtn'
        });
    });

    $('#edit_phone').on('keyup blur', function () {
        checkCustomerPhone($(this).val(), {
            currentId: $('#edit_id').val(),
            errorEl: '#editPhoneError',
            submitBtn: '#editSubmit'
        });
    });

    function copy_login_link(uuid) {
        if (!uuid || uuid === 'None' || uuid === 'null') {
            showToast('warning', 'Link not available: Customer UUID is missing.');
            return;
        }
        var baseUrl = window.location.origin;
        var loginUrl = baseUrl + '/wholesale/login/?uuid=' + encodeURIComponent(uuid);

        if (navigator.clipboard && navigator.clipboard.writeText) {
            navigator.clipboard.writeText(loginUrl).then(function () {
                showToast('success', 'Login link copied to clipboard!');
            }, function (err) {
                console.error('Could not copy text: ', err);
                showToast('error', 'Failed to copy link.');
            });
        } else {
            // Fallback for HTTP (non-secure) contexts
            var tempInput = document.createElement('textarea');
            tempInput.value = loginUrl;
            tempInput.style.position = 'fixed';
            tempInput.style.opacity = '0';
            document.body.appendChild(tempInput);
            tempInput.focus();
            tempInput.select();
            try {
                document.execCommand('copy');
                showToast('success', 'Login link copied to clipboard!');
            } catch (err) {
                console.error('Fallback copy failed: ', err);
                showToast('error', 'Failed to copy link.');
            }
            document.body.removeChild(tempInput);
        }
    }

</script>