{% extends "appointment/layout.html" %}
{% load i18n %}
{% load static %}
{% block customMetaTag %}
    <meta name="csrf-token" content="{{ csrf_token }}">
{% endblock %}
{% block customCSS %}
    <link rel="stylesheet" type="text/css" href="{% static 'css/staff_calendar.css' %}"/>
{% endblock %}
{% block title %}
    {% if page_title %}{{ page_title }}{% else %}{% trans "Appointments" %}{% endif %}
{% endblock %}
{% block description %}
    {{ page_description }}
{% endblock %}
{% block djappt_content %}
    <div class="djappt-shell djappt-shell--wide djappt-staff-calendar content content-wrapper">
        <div class="messages">
            {% if messages %}
                {% for message in messages %}
                    <div class="alert alert-dismissible {% if message.tags %}alert-{% if message.level == DEFAULT_MESSAGE_LEVELS.ERROR %}danger{% else %}{{ message.tags }}{% endif %}{% endif %}"
                         role="alert">{{ message }}</div>
                {% endfor %}
            {% endif %}
        </div>

        <header class="djappt-page-head">
            <div>
                <h1 class="djappt-title">{% trans "Appointments" %}</h1>
                <ul class="djappt-hints">
                    <li>{% trans "Click an appointment to see or edit it." %}</li>
                    <li>{% trans "Drag it to another day to move it." %}</li>
                    <li class="djappt-hint-mouse">{% trans "Right-click a day to add one." %}</li>
                </ul>
            </div>
            <button type="button" class="btn djappt-btn djappt-btn-primary" id="djappt-new-appointment"
                    onclick="djapptNewAppointment()">
                <svg class="djappt-icon" viewBox="0 0 16 16" fill="currentColor" aria-hidden="true">
                    <path d="M8 2a.75.75 0 0 1 .75.75v4.5h4.5a.75.75 0 0 1 0 1.5h-4.5v4.5a.75.75 0 0 1-1.5 0v-4.5h-4.5a.75.75 0 0 1 0-1.5h4.5v-4.5A.75.75 0 0 1 8 2"/>
                </svg>
                {% trans "New Appointment" %}</button>
        </header>

        <div class="djappt-card djappt-calendar-card calendar-wrapper">
            <div id="calendar" class="calendarbox"></div>
            <div id="event-list-container" class="event-list-container"></div>
        </div>

        {% include 'modal/event_details_modal.html' %}
        {% include 'modal/error_modal.html' %}
    </div>
    <div id="customContextMenu" class="djappt-context-menu" style="display: none; position: absolute; z-index: 1000;">
        <ul>
            <li id="newAppointmentOption"><a href="#">{% trans "New Appointment" %}</a></li>
        </ul>
    </div>

    {% include 'modal/confirm_modal.html' %}
{% endblock %}


{% block customJS %}
    <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.30.1/moment.js"
            integrity="sha512-3CuraBvy05nIgcoXjVN33mACRyI89ydVHg7y/HMN9wcTVbHeur0SeBzweSd/rxySapO7Tmfu68+JlKkLTnDFNg=="
            crossorigin="anonymous" referrerpolicy="no-referrer"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/moment-timezone/0.5.45/moment-timezone-with-data.min.js"
            integrity="sha512-t/mY3un180WRfsSkWy4Yi0tAxEDGcY2rAEx873hb5BrkvLA0QLk54+SjfYgFBBoCdJDV1H86M8uyZdJhAOHeyA=="
            crossorigin="anonymous" referrerpolicy="no-referrer"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/fullcalendar/6.1.10/index.global.min.js"
            integrity="sha512-JCQkxdym6GmQ+AFVioDUq8dWaWN6tbKRhRyHvYZPupQ6DxpXzkW106FXS1ORgo/m3gxtt5lHRMqSdm2OfPajtg=="
            crossorigin="anonymous" referrerpolicy="no-referrer"></script>
    <script>
        const timezone = "{{ timezone }}";
        const locale = "{{ locale }}";
        const availableSlotsAjaxURL = "{% url 'appointment:available_slots_ajax' %}";
        const requestNextAvailableSlotURLTemplate = "{% url 'appointment:request_next_available_slot' service_id=0 %}";
        const deleteAppointmentURLTemplate = "{% url 'appointment:delete_appointment_ajax' %}";
        const getNonWorkingDaysURL = "{% url 'appointment:get_non_working_days_ajax' %}";
        const serviceId = "{{ service.id }}";
        const serviceDuration = parseInt("{{ service.duration.total_seconds }}") / 60;
        let appointments = {{ appointments|safe }};
        const fetchServiceListForStaffURL = "{% url 'appointment:fetch_service_list_for_staff' %}";
        const fetchStaffListURL = "{% url 'appointment:fetch_staff_list' %}";
        const updateApptMinInfoURL = "{% url 'appointment:update_appt_min_info' %}";
        const updateApptDateURL = "{% url 'appointment:update_appt_date_time' %}";
        const validateApptDateURL = "{% url 'appointment:validate_appointment_date' %}";
        const isUserStaffAdminURL = "{% url 'appointment:is_user_staff_admin' %}";
        const isUserSuperUser = "{{ is_superuser }}" === "True";
    </script>
    <script>
        {# Text for translation #}
        const confirmDeletionTitleTxt = "{% trans 'Confirm Deletion' %}";
        const confirmDeletionTxt = "{% trans 'Are you sure you want to delete this appointment?' %}";
        const deleteBtnTxt = "{% trans 'Delete' %}";
        const eventsOnTxt = "{% trans 'Appointments on' %}";
        const noEventTxt = "{% trans 'No appointment for this day.' %}";
        const newEventTxt = "{% trans 'New Appointment' %}";
        const successTxt = "{% trans 'Success' %}";
        const errorTxt = "{% trans 'Error' %}";
        const updateApptErrorTitleTxt = "{% trans 'Error: Unable to delete appointment.' %}";
        const apptNotFoundTxt = "{% trans 'Appointment not found.' %}";
        const notStaffMemberTxt = "{% trans "You're not a staff member. Can't perform this action !" %}";
        const noServiceOfferedTxt = "{% trans "You don't offer any service. Add new service from your profile." %}";
        const noStaffMemberTxt = "{% trans "No staff members found." %}";
        const todayBtnText = "{% trans 'Today' %}";
        const monthBtnText = "{% trans 'Month' %}";
        const weekBtnText = "{% trans 'Week' %}";
        const dayBtnText = "{% trans 'Day' %}";
        const listBtnText = "{% trans 'List' %}";
        const invalidEmailTxt = "{% trans 'Enter a valid email address.' %}";
    </script>

    <script src="{% static 'js/modal/error_modal.js' %}"></script>
    <script src="{% static 'js/app_admin/staff_index.js' %}"></script>
    <script src="{% static 'js/modal/show_modal.js' %}"></script>
    <script src="{% static 'js/js-utils.js' %}"></script>

    <script>
        /* The modal body is built from these three functions. staff_index.js reads every <input> in the modal by its
           name, the dropdowns by their ids (serviceSelect, staffSelect), and hides the end time while editing. */
        function djapptField(label, control, id, full) {
            return `<div class="djappt-field${full ? ' djappt-field-full' : ''}">
                        <label class="form-label" for="${id}">${label}</label>${control}</div>`;
        }

        function createCommonInputFields(appointment, servicesDropdown, isEditMode, defaultStartTime, staffDropdown) {
            // A new appointment has no start time yet: it starts at the default time (09:00) of the chosen day
            const editedStart = appointment.start_time || defaultStartTime;
            const startTimeValue = isEditMode ? moment(editedStart).format('HH:mm:ss') : defaultStartTime;
            const disabledAttribute = isEditMode ? '' : 'disabled';

            let superuserInputField = '';
            if (isUserSuperUser) {
                superuserInputField = djapptField("{% trans 'Staff Member' %}", staffDropdown.outerHTML, 'staffSelect', true);
            }

            return `
                ${superuserInputField}
                ${djapptField("{% trans 'Service Name' %}", servicesDropdown.outerHTML, 'serviceSelect', true)}
                ${djapptField("{% trans 'Client Name' %}", `<input type="text" class="form-control" name="clientName" value="${escapeHtml(appointment.client_name)}" ${disabledAttribute} id="clientName" placeholder="John Doe">`, 'clientName', true)}
                ${djapptField("{% trans 'Client Email' %}", `<input type="email" class="form-control" name="clientEmail" value="${escapeHtml(appointment.client_email)}" ${disabledAttribute} id="clientEmail" placeholder="john.doe@example.com">
                    <span id="emailError" class="invalid-feedback" style="display:none;"></span>`, 'clientEmail')}
                ${djapptField("{% trans 'Phone Number' %}", `<input type="tel" class="form-control" name="clientPhone" value="${escapeHtml(appointment.client_phone)}" ${disabledAttribute} id="clientPhone" placeholder="+12392350799">`, 'clientPhone')}
                ${djapptField("{% trans 'Client address' %}", `<input type="text" class="form-control" name="clientAddress" value="${escapeHtml(appointment.client_address)}" ${disabledAttribute} id="clientAddress" placeholder="Naples, Florida">`, 'clientAddress', true)}
                ${djapptField("{% trans 'Additional Information' %}", `<input type="text" class="form-control" name="additional_info" value="${escapeHtml(appointment.additional_info)}" ${disabledAttribute} placeholder="{% trans 'Client wants this and that' %}" id="additional_info">`, 'additional_info', true)}
                ${djapptField("{% trans 'Start time' %}", `<input type="time" class="form-control" name="startTime" id="startTime" value="${startTimeValue}" ${disabledAttribute}>`, 'startTime')}
            `;
        }

        function djapptReminderField(appointment, disabledAttribute) {
            return `<div class="djappt-field djappt-field-full form-check">
                        <input type="checkbox" class="form-check-input" name="want_reminder" id="want_reminder" value="true" ${appointment.want_reminder ? 'checked' : ''} ${disabledAttribute}>
                        <label class="form-check-label" for="want_reminder">{% trans 'Wants reminder' %}</label>
                    </div>`;
        }

        function generateModalContent(appointment, servicesDropdown, isEditMode, staffDropdown) {
            const startTimeValue = moment(appointment.start_time).format('HH:mm:ss');
            const commonInputs = createCommonInputFields(appointment, servicesDropdown, isEditMode, startTimeValue, staffDropdown);
            const disabledAttribute = !isEditMode ? 'disabled' : '';
            return `
                <div class="djappt-form djappt-modal-fields">
                ${commonInputs}
                ${djapptField("{% trans 'End time' %}", `<input type="time" class="form-control" name="endTime" id="endTime" value="${moment(appointment.end_time).format('HH:mm:ss')}" ${disabledAttribute}>`, 'endTime')}
                ${djapptReminderField(appointment, disabledAttribute)}
                </div>
            `;
        }

        function prepareCreateAppointmentModalContent(servicesDropdown, staffDropdown, defaultStartTime, formattedDate) {
            const appointment = {client_name: '', client_email: '', client_phone: '', client_address: ''};
            const commonInputs = createCommonInputFields(appointment, servicesDropdown, true, defaultStartTime, staffDropdown);

            return `
                <div class="djappt-form djappt-modal-fields">
                ${commonInputs}
                ${djapptReminderField(appointment, '')}
                </div>
                <input type="hidden" name="date" value="${formattedDate}">
            `;
        }

        // "New Appointment" button: same rule as the right-click menu (only staff members add appointments).
        function djapptNewAppointment() {
            if (!AppState.isUserStaffAdmin) {
                showErrorModal(notStaffMemberTxt);
                return;
            }
            createNewAppointment(new Date());
        }
    </script>
{% endblock %}