// ==UserScript==
// @name         Auto Select Deleted Threads
// @namespace    http://tampermonkey.net/
// @version      1.0.0
// @description  Auto select deleted threads based on user preference.
// @author       Ryahn
// @match        https://f95zone.to/forums/*
// @grant        GM.setValue
// @grant        GM.getValue
// ==/UserScript==

(function() {
    'use strict';

    function createSettingsBar() {
        const settingsBar = document.createElement('div');
        settingsBar.style.float = 'right';
        settingsBar.style.marginRight = '10px';

        const selectLabel = document.createElement('label');
        selectLabel.textContent = 'Auto Select Deleted: ';

        const select = document.createElement('select');
        const optionYes = document.createElement('option');
        optionYes.value = 'yes';
        optionYes.textContent = 'Yes';
        const optionNo = document.createElement('option');
        optionNo.value = 'no';
        optionNo.textContent = 'No';

        select.appendChild(optionYes);
        select.appendChild(optionNo);

        settingsBar.appendChild(selectLabel);
        settingsBar.appendChild(select);

        const targetDiv = document.querySelector('#top > div.uix_headerContainer > div.breadcrumb.block > div');
        if (targetDiv) {
            targetDiv.appendChild(settingsBar);
        }

        GM.getValue('autoSelectDeleted', 'no').then(value => {
            select.value = value;
        });

        select.addEventListener('change', function() {
            GM.setValue('autoSelectDeleted', this.value);
            applyAutoSelect();
        });
    }

    function triggerEvent(element, eventType) {
        const event = new Event(eventType, { bubbles: true });
        element.dispatchEvent(event);
    }

    function applyAutoSelect() {
        GM.getValue('autoSelectDeleted', 'no').then(value => {
            const deletedThreads = document.querySelectorAll('.is-deleted input[type="checkbox"]');
            deletedThreads.forEach(checkbox => {
                if (value === 'yes') {
                    checkbox.checked = true;
                    triggerEvent(checkbox, 'click'); 
                    triggerEvent(checkbox, 'change');
                } else {
                    checkbox.checked = false;
                    triggerEvent(checkbox, 'click');
                    triggerEvent(checkbox, 'change');
                }
            });
        });
    }

    window.addEventListener('load', function() {
        createSettingsBar();
        applyAutoSelect();
    });
})();