{% extends "base.html" %}
{% load i18n static %}
{% block title %}{% translate "Edit Nginx Template" %} - Eenos{% endblock %}
{% block extra_css %}
    <style>
        .nginx-template-editor {
            width: 100%;
            height: 680px;
            min-height: 420px;
            border: 1px solid var(--eenos-border-color, var(--bs-border-color));
            border-radius: var(--bs-border-radius);
            font-size: .875rem;
        }

        .nginx-template-editor:focus-within {
            border-color: var(--eenos-primary, #ff8b00);
            box-shadow: 0 0 0 .2rem rgba(255, 139, 0, .15);
        }
    </style>
{% endblock %}
{% block content %}
    <div class="eenos-page-header flex-wrap">
        <div>
            <h1 class="eenos-page-title">{% translate "Edit Nginx Template" %}</h1>
            <div class="eenos-page-subtitle">{% translate "Modify a custom Nginx application template." %}</div>
        </div>
        <div class="d-grid col-12 col-sm-auto"><a href="{% url 'nginxtemplates' %}"
           class="btn btn-outline-secondary btn-sm text-nowrap"><i data-lucide="arrow-left"></i>{% translate "Back to Templates" %}</a></div>
    </div>
    <nav class="eenos-breadcrumb" aria-label="{% translate 'Breadcrumb' %}">
        <a href="{% url 'dashboard' %}">{% translate "Dashboard" %}</a>
        <span class="eenos-breadcrumb-separator" aria-hidden="true">
            <i data-lucide="chevron-right"></i>
        </span>
        <span>{% translate "Web Servers" %}</span>
        <span class="eenos-breadcrumb-separator" aria-hidden="true">
            <i data-lucide="chevron-right"></i>
        </span>
        <a href="{% url 'nginxsettings' %}">Nginx</a>
        <span class="eenos-breadcrumb-separator" aria-hidden="true">
            <i data-lucide="chevron-right"></i>
        </span>
        <a href="{% url 'nginxtemplates' %}">{% translate "Application Templates" %}</a>
        <span class="eenos-breadcrumb-separator" aria-hidden="true">
            <i data-lucide="chevron-right"></i>
        </span>
        <span class="eenos-breadcrumb-current" aria-current="page">{{ name }}</span>
    </nav>
    {% include "includes/form_alerts.html" %}
    <div class="eenos-notice eenos-notice-warning mb-4">
        <div class="eenos-notice-icon">
            <i data-lucide="triangle-alert"></i>
        </div>
        <div class="eenos-notice-content">
            <div class="eenos-notice-title">{% translate "Mako template syntax" %}</div>
            <div class="eenos-notice-text">{% translate "Invalid template syntax can prevent virtual-host generation. Review changes carefully before saving." %} <a href="https://www.makotemplates.org/"
    target="_blank"
    rel="noopener noreferrer">{% translate "Mako documentation" %}</a></div>
        </div>
    </div>
    <form method="post" id="editTemplateForm" class="eenos-form">
        {% csrf_token %}
        <input type="hidden" name="isedit" value="yes">
        <input type="hidden" name="template" value="{{ template }}">
        <input type="hidden" name="name" value="{{ name }}">
        <div class="eenos-card mb-3">
            <div class="d-flex justify-content-between gap-3 flex-wrap mb-3">
                <div>
                    <div class="eenos-panel-title">{{ name }}</div>
                    <div class="eenos-panel-subtitle font-monospace">{{ template }}</div>
                </div>
                <span class="badge eenos-badge-warning">{% translate "Custom Template" %}</span>
            </div>
            <span id="templateEditorLabel" class="visually-hidden">{% translate "Template content" %}</span>
            <div id="templateEditor"
                 class="nginx-template-editor"
                 aria-labelledby="templateEditorLabel"></div>
            <textarea class="d-none" id="templateData" name="data" aria-hidden="true">{{ data }}</textarea>
            <div class="invalid-feedback mt-2" id="templateEditorError">{% translate "Template content cannot be empty." %}</div>
        </div>
        <button type="button" class="btn btn-primary mb-4" id="saveTemplateButton"><i data-lucide="save"></i>{% translate "Save Template" %}</button>
    </form>
    <div class="modal fade"
         id="saveTemplateModal"
         tabindex="-1"
         aria-hidden="true">
        <div class="modal-dialog modal-dialog-centered">
            <div class="modal-content">
                <div class="modal-header">
                    <h2 class="modal-title fs-5">{% translate "Save Nginx Template" %}</h2>
                    <button type="button"
                            class="btn-close"
                            data-bs-dismiss="modal"
                            aria-label="{% translate 'Close' %}"></button>
                </div>
                <div class="modal-body">
                    <p class="mb-0">{% translate "Save the current template content and replace the existing custom template?" %}</p>
                </div>
                <div class="modal-footer">
                    <button type="button"
                            class="btn btn-outline-secondary"
                            data-bs-dismiss="modal">{% translate "Cancel" %}</button><button type="button" class="btn btn-primary" id="confirmSaveTemplate">{% translate "Save Template" %}</button>
                </div>
            </div>
        </div>
    </div>
{% endblock %}
{% block extra_js %}
    <script src="{% get_static_prefix %}{{ theme }}/js/ace/ace.js"></script>
    <script>
        $(function () {
            ace.config.set("basePath", "{% get_static_prefix %}{{ theme }}/js/ace");

            const form = $("#editTemplateForm");
            const templateData = $("#templateData");
            const editorElement = document.getElementById("templateEditor");
            const editor = ace.edit(editorElement);
            const editorInput = editor.textInput.getElement();
            const modal = bootstrap.Modal.getOrCreateInstance(
                document.getElementById("saveTemplateModal")
            );

            editorInput.id = "templateEditorInput";

            editor.setValue(templateData.val(), -1);
            editor.session.setMode("ace/mode/python");
            editor.session.setUseWorker(false);
            editor.setOptions({
                fontSize: "14px",
                showPrintMargin: false,
                tabSize: 4,
                useSoftTabs: true,
                wrap: false,
            });

            const applyEditorTheme = () => {
                const darkMode = document.body.getAttribute("data-theme") === "dark";
                editor.setTheme(darkMode ? "ace/theme/tomorrow_night" : "ace/theme/chrome");
            };

            const syncEditor = () => {
                const content = editor.getValue();
                templateData.val(content);
                const valid = content.trim().length > 0;
                editorElement.classList.toggle("is-invalid", !valid);
                $("#templateEditorError").toggle(!valid);
                return valid;
            };

            applyEditorTheme();
            new MutationObserver(applyEditorTheme).observe(document.body, {
                attributes: true,
                attributeFilter: ["data-theme"],
            });

            editor.session.on("change", function () {
                if (editor.getValue().trim()) {
                    editorElement.classList.remove("is-invalid");
                    $("#templateEditorError").hide();
                }
            });

            $("#saveTemplateButton").on("click", function () {
                if (syncEditor() && form.parsley().validate()) {
                    modal.show();
                } else {
                    editor.focus();
                }
            });

            $("#confirmSaveTemplate").on("click", function () {
                if (syncEditor()) {
                    document.getElementById("editTemplateForm").submit();
                }
            });
        });
    </script>
{% endblock %}