// ==UserScript==
// @name         4chan Translation Links
// @version      1.2
// @description  Translation Plugin for 4chan
// @author       some /int/ guy (borrowing from cyg + fsn here and there)
// @include      https://boards.4chan.org/*
// @include      https://boards.4channel.org/*
// @exclude      https://boards.4chan.org/*/catalog
// @exclude      https://boards.4channel.org/*/catalog
// @grant        window.focus
// @run-at       document-start
// ==/UserScript==

(function() {
    'use strict';

    var PPBS = {};

    PPBS.updatePostMenu = function() {
        var menu = $.id("post-menu"), repNode, rcNode, aNode;
        if (!menu) {
            return;
        }
        var pid = menu.firstChild.firstChild.getAttribute("data-id");
        var post = $.id(`p${pid}`);

		//google translate option
        repNode = $.el("LI");
        aNode = $.el("a");
        aNode.setAttribute("data-cmd", "ppbs-translate-google");
        aNode.setAttribute("data-id", pid);
        aNode.textContent = "Translate with Google";
        repNode.appendChild(aNode);
        menu.firstChild.insertBefore(repNode, $.cls("dd-admin")[0]);

        //bing translate option
        repNode = $.el("LI");
        aNode = $.el("a");
        aNode.setAttribute("data-cmd", "ppbs-translate-bing");
        aNode.setAttribute("data-id", pid);
        aNode.textContent = "Translate with Bing";
        repNode.appendChild(aNode);
        menu.firstChild.insertBefore(repNode, $.cls("dd-admin")[0]);

		//yandex translate option
        repNode = $.el("LI");
        aNode = $.el("a");
        aNode.setAttribute("data-cmd", "ppbs-translate-yandex");
        aNode.setAttribute("data-id", pid);
        aNode.textContent = "Translate with Yandex";
        repNode.appendChild(aNode);
        menu.firstChild.insertBefore(repNode, $.cls("dd-admin")[0]);

        //DeepL translate option
        repNode = $.el("LI");
        aNode = $.el("a");
        aNode.setAttribute("data-cmd", "ppbs-translate-deepl");
        aNode.setAttribute("data-id", pid);
        aNode.textContent = "Translate with DeepL";
        repNode.appendChild(aNode);
        menu.firstChild.insertBefore(repNode, $.cls("dd-admin")[0]);

        menu.style.zIndex = "10001";
    };

    PPBS.parseMessage = function(messageText) {
        messageText = messageText.replace(/<br>/gi, "\n"); // conserve linebreaks
        messageText = messageText.replace(/(<([^>]+)>)/gi, ""); // filter out rest of html
        messageText = messageText.replace(/&gt;/gi, ">"); // deal with < and >
        messageText = messageText.replace(/&lt;/gi, "<");
        messageText = encodeURIComponent(messageText); // encode other special characters etc
        return messageText;
    }

    PPBS.translateGoogle = function(postID) {
        var message = $.id("m" + postID);
        var info = $.id("pi" + postID);
        if (!message) {
            return;
        }
        var messageText = PPBS.parseMessage(message.innerHTML);
        var tUrl = "https://translate.google.com/?hl=en&sl=auto&tl=en&op=translate&text=" + messageText;
        window.open(tUrl,"_blank");
    };

    PPBS.translateBing = function(postID) {
        var message = $.id("m" + postID);
        var info = $.id("pi" + postID);
        if (!message) {
            return;
        }
        var messageText = PPBS.parseMessage(message.innerHTML);
        var tUrl = "https://www.bing.com/translator/?to=en&text=" + messageText;
        window.open(tUrl,"_blank");
    };

	PPBS.translateYandex = function(postID) {
        var message = $.id("m" + postID);
        var info = $.id("pi" + postID);
        if (!message) {
            return;
        }
        var messageText = PPBS.parseMessage(message.innerHTML);
        var tUrl = "https://translate.yandex.com/?text=" + messageText;
        window.open(tUrl,"_blank");
    };

	PPBS.translateDeepL = function(postID) {
        var message = $.id("m" + postID);
        var info = $.id("pi" + postID);
        if (!message) {
            return;
        }
        var messageText = PPBS.parseMessage(message.innerHTML);
        var tUrl = "https://www.deepl.com/translator#auto/en/" + messageText;
        window.open(tUrl,"_blank");
    };

    PPBS.onClick = function(e) {
        var t = e.target;
        switch(t.getAttribute("data-cmd")) {
            case "post-menu":
                setTimeout(PPBS.updatePostMenu, 10);
                break;
            case "ppbs-translate-google":
                PPBS.translateGoogle(t.getAttribute("data-id"));
                break;
            case "ppbs-translate-bing":
                PPBS.translateBing(t.getAttribute("data-id"));
                break;
			case "ppbs-translate-yandex":
                PPBS.translateYandex(t.getAttribute("data-id"));
                break;
			case "ppbs-translate-deepl":
                PPBS.translateDeepL(t.getAttribute("data-id"));
                break;
            default: break;
        }
    };

    var $={id:function(e){return document.getElementById(e)},cls:function(e,n){return(n||document).getElementsByClassName(e)},byName:function(e){return document.getElementsByName(e)},tag:function(e,n){return(n||document).getElementsByTagName(e)},el:function(e){return document.createElement(e)},qs:function(e,n){return(n||document).querySelector(e)},qsa:function(e,n){return(n||document).querySelectorAll(e)},extend:function(e,n){for(var t in n)e[t]=n[t]},parentByCls:function(e,n){for(var t=$.docEl,o=e;e!==t&&!$.hasClass(e,n);)e=e.parentNode;return o!==e?e:null}};document.documentElement.classList?($.hasClass=function(e,n){return e.classList.contains(n)},$.addClass=function(e,n){e.classList.add(n)},$.removeClass=function(e,n){e.classList.remove(n)}):($.hasClass=function(e,n){return-1!=(" "+e.className+" ").indexOf(" "+n+" ")},$.addClass=function(e,n){e.className=""===e.className?n:e.className+" "+n},$.removeClass=function(e,n){e.className=(" "+e.className+" ").replace(" "+n+" ","")}),$.on=function(e,n,t){e.addEventListener(n,t,!1)},$.off=function(e,n,t){e.removeEventListener(n,t,!1)},$.xhr=function(e,n,t,o,r){var a,u,s;if((u=new XMLHttpRequest).open(e,n,!0),t)for(a in t)u[a]=t[a];if(o)if("string"==typeof o)u.setRequestHeader("Content-type","application/x-www-form-urlencoded");else{for(a in s=new FormData,o)s.append(a,o[a]);o=s}else o=null;return u.withCredentials=r||0,u.send(o),u},$.getItem=function(e){return localStorage.getItem(e)},$.setItem=function(e,n){return localStorage.setItem(e,n)},$.removeItem=function(e){return localStorage.removeItem(e)},$.getCookie=function(e){var n,t,o,r;for(r=e+"=",o=document.cookie.split(";"),n=0;t=o[n];++n){for(;" "==t.charAt(0);)t=t.substring(1,t.length);if(0===t.indexOf(r))return decodeURIComponent(t.substring(r.length,t.length))}return null},$.getToken=function(){return document.body.getAttribute("data-tkn")},$.ago=function(e){var n,t,o,r;return(n=Date.now()/1e3-e)<1?"moments ago":n<60?(0|n)+" seconds ago":n<3600?(t=0|n/60)>1?t+" minutes ago":"one minute ago":n<86400?(o=(t=0|n/3600)>1?t+" hours":"one hour",(r=0|n/60-60*t)>1&&(o+=" and "+r+" minutes"),o+" ago"):(o=(t=0|n/86400)>1?t+" days":"one day",(r=0|n/3600-24*t)>1&&(o+=" and "+r+" hours"),o+" ago")},$.pluralise=function(e,n,t){return 1===e?n||"":t||"s"},$.now=function(){return Math.round((new Date).getTime()/1e3)},$.dispatch=function(e,n){var t=document.createEvent("Event");t.initEvent(e,!1,!1),document.dispatchEvent(t)},$.docEl=document.documentElement;

    if (/catalog/.test(window.location.href)) {
        return;
    }

    $.on(document, "click", PPBS.onClick);
})();