// ==UserScript==
// @name         Rule34 JumpTo
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  fix rule34 button of jump to
// @author       You
// @match        https://rule34video.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=rule34video.com
// @grant        none
// @license      MIT
// @downloadURL none
// ==/UserScript==


(function () {
    'use strict';

    let item_jump_to = null
    let jump_to_page_num = null
    let jump_to_button = null
    let jump_to_button_parameters = 1

    // 按钮点击事件
    function jump_to_button_clicked() {
        // 跳转页码检查
        let parameters = jump_to_button_parameters.split(":")
        // 设置跳转页码
        parameters[parameters.length - 1] = jump_to_page_num
        jump_to_page_num = parameters.join()
        jump_to_button.setAttribute("data-parameters", jump_to_button_parameters)
    }

    // 循环检测
    load_page()

    function load_page() {
        setTimeout(() => {
            // 寻找JumpTo按钮
            item_jump_to = document.getElementsByClassName("item jump_to")[0]
            // 检查按钮标签是否正常
            jump_to_page_num = document.getElementById("jumpTo").value

            // 获取按钮子项
            jump_to_button = item_jump_to.childNodes[5]
            // 获取跳转页码
            jump_to_button_parameters = jump_to_button.getAttribute("data-parameters")


            // 对原版按钮设置点击事件
            if (jump_to_button.onclick == null) {
                jump_to_button.onclick = function () {
                    jump_to_button_clicked()
                }
            }

            console.log("重载")
            load_page()
        }, 500)
    }


})();