// ==UserScript==
// @name         V2EX快捷查看回复
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  V2EX快捷查看回复对象
// @author       You
// @match        https://v2ex.com/t/*
// @match        https://www.v2ex.com/t/*
// @icon         https://www.google.com/s2/favicons?domain=v2ex.com
// @license      GPL3.0
// @grant        none
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';
    let style = document.querySelector('style').sheet,
        replyWidth = 542,
        svgIcon = `<svg t="1637731023724" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="7157" width="16" height="16"><path d="M438.43 536.09m-41.15 0a41.15 41.15 0 1 0 82.3 0 41.15 41.15 0 1 0-82.3 0Z" p-id="7158" fill="#778087"></path><path d="M258.58 536.09m-41.15 0a41.15 41.15 0 1 0 82.3 0 41.15 41.15 0 1 0-82.3 0Z" p-id="7159" fill="#778087"></path><path d="M618.28 536.09m-41.15 0a41.15 41.15 0 1 0 82.3 0 41.15 41.15 0 1 0-82.3 0Z" p-id="7160" fill="#778087"></path><path d="M747.58 742.48c-0.17 0-1.07 0.67-3.09 2.82l0.32-0.2c0.61-0.53 1.24-1.05 1.8-1.6 0.33-0.33 0.65-0.68 0.97-1.02zM132.38 327l-0.32 0.21c-0.61 0.53-1.25 1-1.8 1.59-0.34 0.33-0.66 0.68-1 1 0.2 0.03 1.09-0.66 3.12-2.8zM279.54 171.77l-0.32 0.2c-0.61 0.53-1.24 1-1.8 1.59-0.34 0.33-0.65 0.68-1 1 0.2 0.05 1.1-0.64 3.12-2.79z" p-id="7161" fill="#778087"></path><path d="M955.14 161.78c-11.46-31.23-38.45-50.89-71.43-53.59-7.3-0.6-14.78-0.18-22.09-0.18H293.89c-10.3 0-20.75 1.35-30.33 5.2-30.19 12.13-50.92 39.18-51.37 72.32-0.31 23.6 0 47.23 0 70.84v6.86H152.5c-10.46 0-20.87 0.21-31 3.33C88 276.85 65.12 307.11 65 342.2c-0.07 24.74 0 49.48 0 74.22V720c0 11.47-0.28 23 3.43 34.09 8 24.05 25.75 41.29 49.18 50.33 10.13 3.91 21.11 4.68 31.88 4.68h88.23c16.82 22.9 33.62 45.81 50.14 68.92l16.68 23.32c6.31 8.82 14.56 14.84 25.88 14.84s19.57-6 25.88-14.84c20.52-28.7 41.19-57.18 62.32-85.42 1.49-2 3-4 4.46-6l89.39-0.83c25.54-0.24 51.09 0 76.63 0h141.45a88 88 0 0 0 39.52-9.34c26.66-13.2 41.76-41.75 41.76-70.75v-75.17h39c9.5 0 19 0.11 28.51 0 28.56-0.31 57.57-15.7 70.67-41.8a84.73 84.73 0 0 0 9-38.66V189.52c-0.01-9.34-0.64-18.91-3.87-27.74zM745.55 744.62c-0.24 0.17-0.5 0.32-0.74 0.48a12.36 12.36 0 0 0-1.11 1l0.79-0.85c-1.22 0.77-2.47 1.48-3.75 2.14A54.14 54.14 0 0 1 735 749c-8 0.54-16.09 0.08-24 0.08H534.32c-22.78 0-45.55 0.25-68.32 0.46l-54.45 0.51h-3.31c-11.55 0.66-19.13 5.89-25.88 14.85l-0.17 0.22c-0.52 0.68-1 1.37-1.53 2.05l-15.22 20.33q-17.69 23.63-35 47.49-18.23-25.26-36.65-50.38L278.61 764q-1.32-1.82-2.7-3.45a30.17 30.17 0 0 0-7.09-6.58l-0.44-0.3-0.29-0.18a27.08 27.08 0 0 0-7.4-3.27c-0.51-0.14-1-0.26-1.56-0.37a29.81 29.81 0 0 0-6.4-0.7h-97.27c-4.56 0-9.17 0.14-13.73-0.11a57.12 57.12 0 0 1-5.63-1.55q-2.06-1.07-4-2.32c-0.62-0.54-1.26-1-1.83-1.62s-1.2-1.24-1.78-1.87c-0.8-1.3-1.56-2.6-2.28-3.92-0.43-1.34-0.81-2.68-1.13-4.05-0.19-3.74-0.09-7.52-0.09-11.26V387c0-15.33-0.15-30.66 0-46 0-0.79 0-1.57 0.08-2.35 0.31-1.38 0.7-2.73 1.13-4.07 0.71-1.32 1.47-2.6 2.24-3.91 0.28-0.3 0.57-0.6 0.85-0.91-0.23 0 0.73-1.27 2-2.14l0.75-0.47c0.39-0.34 0.77-0.69 1.11-1.05l-0.79 0.84c1.22-0.77 2.47-1.48 3.74-2.14a57.12 57.12 0 0 1 5.63-1.55c5.74-0.35 11.57-0.11 17.28-0.11h502.66c23.34 0 46.68-0.11 70 0 1.14 0 2.28 0.05 3.42 0.11a55.61 55.61 0 0 1 5.65 1.56c1.37 0.71 2.71 1.47 4 2.31 0.61 0.54 1.26 1.06 1.83 1.62s1.19 1.24 1.77 1.87c0.8 1.3 1.57 2.6 2.29 3.93 0.42 1.33 0.81 2.67 1.12 4 0.19 3.75 0.09 7.52 0.09 11.26v335.46c0 15.32 0.16 30.66 0 46 0 0.79 0 1.57-0.07 2.36-0.32 1.37-0.7 2.73-1.13 4.07-0.72 1.31-1.47 2.6-2.25 3.9-0.28 0.31-0.56 0.61-0.85 0.91 0.27 0.02-0.69 1.25-1.99 2.12zM892.72 589.4c-0.25 0.17-0.5 0.32-0.75 0.48a13.87 13.87 0 0 0-1.11 1l0.79-0.85c-1.22 0.77-2.47 1.48-3.74 2.14a55.68 55.68 0 0 1-5.95 1.63c-11.38 0.88-23.14 0-34.45 0h-35.68v-244c0-16.06-1.72-31.4-9.56-46-14-26.11-42.76-40.59-71.74-40.65H272.14v-68.41c0-3.77-0.09-7.57 0.1-11.34a50.4 50.4 0 0 1 1.11-4c0.72-1.32 1.47-2.6 2.25-3.91l0.85-0.91c-0.23 0 0.73-1.27 2-2.14l0.75-0.47a14 14 0 0 0 1.11-1.05l-0.79 0.85c1.22-0.77 2.47-1.49 3.75-2.15a57.12 57.12 0 0 1 5.63-1.55c5.73-0.35 11.57-0.11 17.28-0.11h502.66c23.34 0 46.68-0.11 70 0 1.14 0 2.28 0 3.41 0.11a55.08 55.08 0 0 1 5.66 1.56c1.37 0.71 2.71 1.47 4 2.31 0.62 0.54 1.26 1.06 1.83 1.62s1.2 1.24 1.78 1.88c0.8 1.29 1.56 2.59 2.28 3.92 0.43 1.33 0.81 2.68 1.13 4 0.19 3.75 0.09 7.52 0.09 11.26V530c0 15.32 0.15 30.66 0 46 0 0.79 0 1.58-0.08 2.36-0.31 1.37-0.7 2.73-1.13 4.07-0.71 1.31-1.47 2.6-2.24 3.9-0.28 0.31-0.57 0.61-0.85 0.91 0.28 0.06-0.72 1.29-2 2.16z" p-id="7162" fill="#778087"></path><path d="M894.75 587.26c-0.18 0-1.08 0.67-3.1 2.82l0.32-0.2c0.61-0.53 1.25-1 1.8-1.6 0.34-0.28 0.66-0.67 0.98-1.02z" p-id="7163" fill="#778087"></path></svg>`
    style.insertRule(`.fixed-reply {
    transition: all 300ms;
    transform: translateY(-10px);
    pointer-events: none;
    opacity: 0;
    padding: 12px 20px;
    width: ${replyWidth}px;
    box-sizing: border-box;
    position: absolute;
    bottom: 30px;
    left: -14px;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 0 18px rgb(0 0 0 / 10%);
    border: solid 1px #d5d8da;
    user-select: auto;

}`, 1)
    style.insertRule(`.show-reply {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
}`, 1)
    style.insertRule(`
    .show-reply:hover>.fixed-reply{
    transform: translateY(0);
    pointer-events: auto;
    opacity: 1;
}`, 1)
    style.insertRule(`.show-reply:hover:before {
    content: "";
    position: absolute;
    width: 100%;
    height: 10px;
    left: 0;
    bottom: 100%;
}`, 1)
    let replyList = document.querySelectorAll(".reply_content")
    replyList.forEach((el, index) => {
        el.parentNode.parentNode.querySelector(".no").addEventListener("click", function(event) {
            event.preventDefault()
            event.stopPropagation()
            gotoReply(this.innerText)
        })
        el.querySelectorAll(".reply_content a").forEach((el) => {
            let replyEl = getContent(el.innerText, index)
            if (replyEl) {
                el.className = "show-reply"
                el.appendChild(replyEl)
                el.appendChild(document.createRange().createContextualFragment(svgIcon))
            }
        })
    })

    function getContent(userId, maxIndex) {
        let lastContent = null
        for (var i = 0; i < maxIndex; i++) {
            if (replyList[i].parentNode.querySelector("strong a").innerText === userId) {
                lastContent = replyList[i].parentNode.parentNode
            }
        }
        if (lastContent) {
            var tempNode = document.createElement("div")
            tempNode.className = "fixed-reply"
            tempNode.addEventListener("click", function(event) {
                event.preventDefault()
            })
            tempNode.appendChild(lastContent.cloneNode(true)).querySelector("td:last-child").width = replyWidth - 48 - 10
            tempNode.querySelector(".no").addEventListener("click", function(event) {
                event.preventDefault()
                event.stopPropagation()
                gotoReply(this.innerText)
            })
            return tempNode
        } else {
            return false
        }
    }

    function gotoReply(index) {
        replyList.forEach((el) => {
            if (el.parentNode.querySelector(".no").innerText == index) {
                var replaceTop = el.parentNode.parentNode.parentNode.parentNode.parentNode.getBoundingClientRect().top,
                    repId = el.parentNode.parentNode.parentNode.parentNode.parentNode.id
                window.scrollTo({ top: window.scrollY + replaceTop, behavior: "smooth" })
                history.pushState(null, null, `${window.location.origin}${window.location.pathname}#${repId}`)
            }
        })
    }
})();