// ==UserScript==
// @name         Dev_Multi_Open2
// @namespace    http://phi.pf-control.de/apps/userscripts
// @version      1.0
// @description  Easier Opening in Deviantart Notification Center
// @author       Dediggefedde
// @match        https://www.deviantart.com/notifications/*
// @require      https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js
// @require      http://ajax.googleapis.com/ajax/libs/jqueryui/1.11.1/jquery-ui.min.js
// @grant        GM.xmlHttpRequest
// @downloadURL none
// ==/UserScript==
/* globals $*/

(function () {
    'use strict';

    var selfTrg = false;
    var selContainer;
    var selectees = "div._1FZFD>div,div.CMvV0>div,div.VG6bf>div,div._3igXW>div,div._1F-dq>div"; //,div._3KMiG
    var topBar = "div._24VFR._3zk0a._3Rgyb";
    var checkedBox = "div._2qxrJ,div._15Po9";
    var selcont = "div._3Pgai";
    var viewAllBut = "button._9rMMY._1qwC7._3xVcb._1KcL_._21wpm";
    var allButClass = "_9rMMY _1qwC7 _3xVcb _1KcL_ _21wpm";
    var stackCount="div.Ey06z";

    function prepareSite() {
        var scr = $('<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/smoothness/jquery-ui.css">');
        scr.appendTo(document.head);
        var sty = $("<style type='text/css'></style>");
        sty.append(".ui-selectable-helper{background-image:linear-gradient(rgb(0,255,0),rgb(0,100,0));opacity:0.3;}");
        sty.append(".dmo_openAll{top: 68%;}");
        sty.appendTo(document.head);
        scr.ready(function () {
            setInterval(dynamicInsertion, 1000);
        });
    }

    function selecting(ev, ui) {
        var target = $(ui.selecting);
        var selecting = true;
        if (target.length == 0) {
            target = $(ui.unselecting);
            selecting = false;
        }
        var url = target.attr("url");
        selfTrg = true;

        if (!selecting) {
            if (target.find(checkedBox).length == 1) target.find("label").click(); //unselecting DOM
            if (ev == 0) target.removeClass("ui-selected").addClass("ui-unselecting");
        } else {
            if (target.find(checkedBox).length == 0) target.find("label").click(); //selecting DOM
            if (ev == 0) target.addClass("ui-selecting");
        }
        selfTrg = false;
    }

    function insertOpenButton() {

        if ($("button.dmo2_openTab").length > 0) return;
        var btnOpen = $("<button class='eNvqE dmo2_openTab'>Open in new Tab</button>");
        $(topBar).append(btnOpen);
        $("button.eNvqE").addClass("_1BMgL"); //add space between buttons
        btnOpen.click(function () {
            $(selectees).has(checkedBox).each(function () {
                if ($(this).attr("url") != undefined) window.open($(this).attr("url"));
            });
        });
    }

    function getStackURLs(offset, userid,type) {
        return new Promise(function (resolve, reject) {
            GM.xmlHttpRequest({
                method: "GET",
                url: "https://www.deviantart.com/_napi/da-messagecentre/api/stack?stackId=uq:devwatch:tg%3D"+type+",sender%3D" + userid + "&type=deviations&offset="+offset+"&limit=24",
                onerror: function (response) {
                    reject(response);
                },
                onload: function (response) {
                    var resp=JSON.parse(response.responseText);
                    //response.results[0].deviation.url;
                    for (var el of resp.results) {
                        window.open(el.deviation.url);
                    }
                    if (resp.hasMore) resolve(getStackURLs(24, userid));
                    else resolve(1);
                }
            });
        });
    }

    function requestAllOpen(event) {
        var userid = $(event.target).closest(selectees).find("a.user-link").attr("data-userid");
        //keyword in div.Ey06z
        var type=$(this).closest(selectees).find(stackCount).text();
        if(type.indexOf("Deviations")!=-1){
            getStackURLs(0,userid,"deviations");
            getStackURLs(0,userid,"groupdeviations");
        }else if(type.indexOf("Journals")!=-1){
            getStackURLs(0,userid,"journals");
        }else if(type.indexOf("Polls")!=-1){
            getStackURLs(0,userid,"polls");
        }
    }

    function insertOpenAllButton() {
        $(viewAllBut).not("[dmo2_openAll]").attr("dmo2_openAll", true).after($("<button class='dmo_openAll " + allButClass + "'>Open All</button>").click(requestAllOpen));
    }

    function makeSelectable() {
        selContainer.selectable({ //jquery ui selectable
            filter: selectees,
            distance: 10, //allows clicking. deprecated, hopefully stays a while
            selecting: selecting, //during selection; select/unselect only regarding mark-area
            unselecting: selecting
        });
        $(selectees).find("label input").change(function (event) { //change selection by hand
            if (!selfTrg) {
                event.stopPropagation();
                var target = $(this).closest(selectees);
                var el = {};
                if (target.find(checkedBox).length == 0) el.unselecting = target;
                else el.selecting = target;
                selecting(0, el);
                selContainer.selectable('refresh');
                selContainer.data("ui-selectable")._mouseStop(null);
            }
        });
        insertOpenButton();
    }

    function dynamicInsertion() {
        $(selectees).not("[url]").each(function () { //href disappears for selected items. copy it beforehand
            $(this).attr("url", $(this).find("a[data-hook='deviation_link']").attr("href"));
        });
        insertOpenAllButton();
        if ($(selectees).not("[dmo2]").length == 0) return; //only do if you have selectees without attribute
        $(selectees).attr("dmo2", true);
        selContainer = $(selcont);
        makeSelectable();
    }
    prepareSite();
})();

/* deviantart API
https://www.deviantart.com/_napi/da-messagecentre/api/stack?stackId=uq:devwatch:tg%3Ddeviations,sender%3D4165994&type=deviations&offset=0&limit=24
stackId	uq:devwatch:tg=deviations,sender=4165994
type	deviations
offset	0
limit	24

response
response.results[0].deviation.url
response.counts.total
response.hasMore*/