{*
 * Amsterdam Web Communities System
 * Copyright (c) 2025-2026 Erbosoft Metaverse Design Solutions, All Rights Reserved
 * 
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 *}
<div class="p-4">
    <!-- Page Title -->
    <div class="mb-6">
        <div class="flex items-baseline gap-3 mb-2">
            <h1 class="text-blue-800 text-4xl font-bold">Export Messages</h1>
            <h2 class="text-blue-800 text-2xl font-bold">Conference: {{ confName }}</h2>
        </div>
        <hr class="border-2 border-gray-400 w-4/5 mb-6">
    </div>

    <!-- Info Box -->
    <div class="bg-blue-50 border-l-4 border-blue-400 p-4 mb-6 rounded max-w-4xl">
        <div class="flex items-start">
            <span class="text-2xl mr-3">📦</span>
            <div class="text-sm text-blue-900">
                <p class="font-bold mb-1">About Message Export:</p>
                <p>Select the topics you want to export. Messages from selected topics will be exported in VCIF/XML format. Use the buttons below to quickly select or deselect all topics.</p>
            </div>
        </div>
    </div>

    <!-- Export Form -->
    <form method="POST" action="{{ selfLink }}">
        <div class="max-w-4xl">
            <!-- Selection Controls -->
            <div class="bg-gray-50 border border-gray-300 rounded-lg p-4 mb-4">
                <div class="flex items-center justify-between mb-4">
                    <h3 class="text-lg font-bold text-gray-800 flex items-center gap-2">
                        <span class="text-xl">☑️</span>
                        Select Topics to Export
                    </h3>
                    <div class="flex gap-2">
                        <button type="button" onclick="selectAll()"
                                class="bg-blue-600 hover:bg-blue-700 text-white font-medium px-4 py-2 rounded transition-colors text-sm flex items-center gap-1">
                            <span>✓</span>
                            Select All
                        </button>
                        <button type="button" onclick="deselectAll()"
                                class="bg-gray-600 hover:bg-gray-700 text-white font-medium px-4 py-2 rounded transition-colors text-sm flex items-center gap-1">
                            <span>✗</span>
                            Deselect All
                        </button>
                    </div>
                </div>

                <!-- Topics List -->
                <div class="bg-white border border-gray-300 rounded-lg overflow-hidden">
                    <div class="max-h-96 overflow-y-auto">
                        <table class="w-full">
                            <tbody class="divide-y divide-gray-200">
                                {{ range _, t := topics }}
                                    <tr class="hover:bg-blue-50">
                                        <td class="px-4 py-2 w-12 text-center">
                                            <input type="checkbox" name="tselect" value="{{ t.Number }}" checked 
                                                    class="w-4 h-4 text-blue-600 border-gray-300 rounded focus:ring-blue-500">
                                        </td>
                                        <td class="px-2 py-2 w-12 text-right text-gray-600 text-sm">{{ t.Number }}.</td>
                                        <td class="px-4 py-2 text-sm text-gray-800">{{ t.Name | raw }}</td>
                                    </tr>
                                {{ end }}
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>

            <!-- Action Buttons -->
            <div class="flex justify-center gap-4 pt-4 border-t border-gray-300">
                <button type="submit" name="export"
                    class="bg-green-600 hover:bg-green-700 text-white font-bold px-8 py-3 rounded-lg transition-colors shadow-md hover:shadow-lg flex items-center gap-2">
                    <span class="text-xl">📥</span>
                    Export
                </button>
                <button type="submit" name="cancel"
                    class="bg-gray-600 hover:bg-gray-700 text-white font-bold px-6 py-3 rounded-lg transition-colors shadow-md hover:shadow-lg flex items-center gap-2">
                    <span class="text-xl">✗</span>
                    Cancel
                </button>
            </div>
        </div>
    </form>
</div>
<script>
    function selectAll() {
        const checkboxes = document.querySelectorAll('input[name="tselect"]');
        checkboxes.forEach(checkbox => checkbox.checked = true);
    }
    
    function deselectAll() {
        const checkboxes = document.querySelectorAll('input[name="tselect"]');
        checkboxes.forEach(checkbox => checkbox.checked = false);
    }
</script>