// ==UserScript==
// @name         New MangaDex Follows
// @namespace    https://greasyfork.org/scripts/430295-new-mangadex-follows
// @version      1.1.3.1
// @description  Manage your follows
// @author       Australis
// @match        https://mangadex.org/*
// @icon         https://www.google.com/s2/favicons?domain=mangadex.org
// @grant        none
// @downloadURL none
// ==/UserScript==
if(localStorage.getItem("seriesdex") == null) seriesdex = []
else seriesdex = JSON.parse(localStorage.getItem("seriesdex"))

var classChapter = "flex chapter" //class of the elements containing the chapters
var classFeed = "chapter-feed__chapters-list" //class containing the chapter cluster
var grouptagclass = "group-tag line-clamp-1 -my-1"

var newStyle = newInner("style","text/css",".hideme {\ndisplay: none;\n}")
document.querySelector("head").append(newStyle)

var filter = JSON.parse(localStorage.getItem("filter"))
if(filter == undefined || filter == null) {
    console.log("filter: "+JSON.stringify(filter))
    filter = true
    localStorage.setItem("filter",JSON.stringify(filter))
}

whitelist = []
blacklist = []

function GetNumero(text){
    let skip = false
    for(let t of text.split(" ")){
        //console.log(t)
        if(t == "Vol.") skip = true
        if((t*1)>0) {
            //console.log("number: "+t)
            if(skip){
                skip = false
            }
            else return t*1
        }
    }
    console.log("no number found")
    return NaN
}

function ScriptForm(){
    if(document.URL.includes("https://mangadex.org/titles/feed") && !document.getElementById("script_btn")){
        console.log("executing ScriptForm")
        var options_loc = "flex items-center mb-4"
        if(/*!document.getElementById("script_btn") && */document.getElementsByClassName(options_loc).length){
            var newButton = newInner("div","",'<button id="script_btn" onclick="NMDF()" style="right: 2rem;position: absolute;">SCRIPT OPTIONS</button><popup id="script_body" style="position: fixed;right: 2rem;top: 5.5rem;width: 75%;background-color: var(--bg-color);z-index: 5;padding: 2rem;display: none;"><h2>New MangaDex Follows Script Options</h2><label><input type="checkbox" id="filter" value="filter"> Filter by groups</label><p>You can filter chapters by adding certain groups to a blacklist (so it\'s hidden) or whitelist (so it only shows that group releases), by clicking at the 🔧 besides the title. This only applies to 1 series at a time.</p><button class="menu__item--active-highlight" id="nmdf_save" onclick="SC()" style="background-color: orangered;padding: 0.5rem;margin: 0.5rem;">Save Changes</button><button id="nmdf_exit" onclick="EXIT()">Exit</button></popup>')
            document.getElementsByClassName(options_loc)[0].append(newButton.children[0])
            document.getElementsByClassName(options_loc)[0].append(newButton.children[0])
            console.log("form added")
        }
        else setTimeout(ScriptForm,500)
    }
}

window.NMDF = function(){
    var daBody = document.getElementById("script_body")
    document.getElementById("filter").checked = filter
    if(daBody.style.display == "none"){
        daBody.style.display = "block"
    }
    else{
        daBody.style.display = "none"
    }
}

var unchecked = true

window.NMDFilter = function(event){
    var daElement = event.target.parentElement.parentElement
    var daModal = document.getElementById("daModal")
    let ttext,ctext
    let gtext = []
    let glink = []
    let bgg = false
    let id = getID(daElement)
    let daSeries = seriesdex[FS(seriesdex,id)]
    for(let link of daElement.getElementsByTagName("a")){
        if(link.innerText != ""){
            if(link.href.includes("/title/")) ttext = link.innerText.replaceAll("\n","")
            if(link.href.includes("/group/")) {
                console.log(link)
                if(!gtext.includes(link.innerText.replaceAll("\n",""))){
                    gtext.push(link.innerText.replaceAll("\n",""))
                    glink.push(link.href)
                }
            }
        }
    }
    let gtags = document.getElementsByClassName("flex items-center")[1]
    if(gtags.innerText.includes("No Group") && gtags.getElementsByTagName("i").length){
        gtext.push("No Group")
        glink.push("0/0/0/0/0/0")
    }
    console.log(gtext)
    console.log(glink)
    if(!daModal) createModal()
    let closebutton = '<span class="close">&times;</span>'
    let series = '<p id="'+id+'">SERIES NAME: '+ttext+'</p>'
    let lastext = daSeries.last
    let nextext = daSeries.nextc
    if(lastext == -10 || lastext == "-10") {
        lastext = "Not registered"
        nextext = "Not registered"
    }
    let last = '<p>Last chapter read: '+lastext+'</p>'
    if(nextext == 10000) nextext = "Up to date"
    let next = '<p>Next chapter: '+nextext+'</p>'
    let groups = '<p>Groups:</p>'
    let daTable = '<table><tr><th>Name</th><th>ID</th><th style="text-align: center;">Whitelisted</th><th style="text-align: center;">Blacklisted</th></tr>'
    for(let w=0;w<gtext.length;w++){
        let gid = getID3(glink[w])
        let wcheck = ""
        let bcheck = ""
        if(HideThis(whitelist,id,gid)) wcheck = "checked"
        if(HideThis(blacklist,id,gid)) bcheck = "checked"
        daTable+='<tr><td>'+gtext[w]+'</td><td>'+gid+'</td><td style="text-align: center;"><input type="checkbox" id="wl'+w+'" name="wl'+w+'" '+wcheck+'></td><td style="text-align: center;"><input type="checkbox" id="bl'+w+'" name="bl'+w+'" '+bcheck+'></td></tr>'
    }
    daTable+="</table>"
    let savebtn = '<div style="text-align: right;"><button onclick="SaveFilter(event)" style="margin: 0.5rem;">SAVE CHANGES</button></div>'

    daModal.firstChild.innerHTML= closebutton+series+next+last+groups+daTable+savebtn
    daModal.style.display = "block"
    if(unchecked){
        window.onclick = function(event) {
            var daModal = document.getElementById("daModal")
            if (event.target == daModal) {
                daModal.style.display = "none"
            }
        }
        unchecked = false
    }
    var closebtn = document.getElementsByClassName("close")[0]
    closebtn.onclick = function() {
        daModal.style.display = "none"
    }
}

function createModal(){
    console.log("creating modal")
    var modal = newInner("div","modal",'<div class="modal-content"></div>')
    modal.id = "daModal"
    var funky = document.getElementById("__layout")
    funky.insertBefore(modal,funky.firstChild)
    var daStyle = newInner("style","text/css",'.modal {display: none;position: fixed;z-index: 2;padding-top: 100px;right: 0;top: 0;width: calc(100% - 256px);height: 100%;overflow: auto;background-color: rgb(0,0,0);background-color: rgba(0,0,0,0.4);}.modal-content {background-color: var(--bg-color);margin: auto;padding: 20px;border: 1px solid #888;width: 80%;}.close {color: #aaaaaa;float: right;font-size: 28px;font-weight: bold;}.close:hover,.close:focus {color: #000;text-decoration: none;cursor: pointer;}')
    document.querySelector("head").append(daStyle)
    var daTableStyle = newInner("style","text/css",'table {border-collapse: collapse;border-spacing: 0;width: 100%;border: 1px solid #ddd;}th, td {text-align: left;padding: 16px;}')
    document.querySelector("head").append(daTableStyle)
}

window.SC = function(){
    filter = document.getElementById("filter").checked
    localStorage.setItem("filter",JSON.stringify(filter))
    document.getElementById("script_body").style.display = "none"
}

window.EXIT = function(){
    document.getElementById("script_body").style.display = "none"
}

function FS(array, number){//FindSeries
    return array.findIndex(q => q.id == number)
}

function HideThis(array,series,group){
    if(array.findIndex(q => q[0] == series && q[1] == group) >= 0){
        console.log("hide this!")
        return true
    }
    return false
}

function OnlyThis(array,series,group){
    if(array.findIndex(q => q[0] == series && q[1] == group) >= 0) { //the series is listed with this group
        console.log("only this case 2: listed!!")
        return 2
    }
    if(array.findIndex(q => q[0] == series && q[1] != group) >= 0) { //the series is listed but not this group
        console.log("only this case 1: listed but not this one")
        return 1
    }
    if(array.findIndex(q => q[0] == series && q[1] == group) < 0) { //it's not there
        console.log("only this case 0: not here")
        return 0
    }
    console.log("only this case 3: not listed")
    return 3 //series is not listed
}

disURL = ""

function NextNext(array,pointer,next){
    if(next[0] < array[pointer].nextc*1 && array[pointer].last < next[0]) {
        array[pointer].nextc = next[0]
        array[pointer].nextl = next[1]
    }
}

function newInner(tag,classN,inner){
    var temp = document.createElement(tag)
    if(classN == "text/css") temp.type = classN
    else temp.className = classN
    temp.innerHTML = inner
    return temp
}

function cloneDOM(tag,nodo){
    var temp = document.createElement(tag)
    temp = nodo.cloneNode(true)
    return temp
}

function newDOM(tag,classN,style){
    var temp = document.createElement(tag)
    temp.className = classN
    temp.style.display = style
    return temp
}

function HasBeenRead(nodo){
    if(!nodo.getElementsByTagName("svg")[0].className.baseVal.includes(" feather ")) return true
    else return false
}

function ChangeToBL(nodo){
    if(nodo.parentElement.getElementsByClassName("showme").length) console.log("still blacklisted?")//InverseIt(nodo.parentElement)//HideItAgain
    else {
        var parche = newInner("a","font-bold truncate showme blacklisted","BLACKLISTED")
        nodo.parentElement.append(parche)//removeAttribute("href")
        nodo.className += " hideme"
    }
}

function InverseIt(nodo){//ShowItgain
    let hideme = nodo.getElementsByClassName("hideme")[0]
    let showme = nodo.getElementsByClassName("showme")[0]
    if(!!hideme && !!showme){
        console.log("inversing in process")
        hideme.className = nodo.children[2].className.replace("hideme","showme")
        showme.className = nodo.children[3].className.replace("showme","hideme")
    }
}

function HideItAgain(nodo){
    console.log("Hide It Again in process")
    let hideme = nodo.getElementsByClassName("hideme")[0]
    let showme = nodo.getElementsByClassName("showme")[0]
    hideme.className = nodo.children[2].className.replace("hideme","showme")
    showme.className = nodo.children[3].className.replace("showme","hideme")
}

function getID(nodo){
    return nodo.getElementsByTagName("a")[0].href.split("/")[4]
}

function getID2(nodo){
    return nodo.getElementsByTagName("a")[1].href.split("/")[4]
}

function getID3(text){
    return text.split("/")[4]
}

function ProcessGroups(process,batch,i,id_series){//todo: fix syntaxis to consider every scenario
    if(filter){
        var repeated = false
        var icono,newdiv
        var groupclass = "md:col-span-2"
        var externals = "flex items-center"
        var groupflex = batch[i].getElementsByClassName(groupclass)[0] //get the groups of this chapters
        if(!groupflex) groupflex = batch[i].getElementsByClassName(externals)[1] //external chapters
        if(batch[i].getElementsByClassName("nmf-single").length) {
            groupflex = batch[i].getElementsByClassName("group-tag") //already processed
            repeated = true
        }
        else{
            if(groupflex.getElementsByTagName("svg").length) icono = cloneDOM("svg",groupflex.getElementsByTagName("svg")[0])
            else icono = newInner("div","",'<svg data-v-9117f4b0="" data-v-d4f823fe="" width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" class="small text-icon-black dark:text-icon-white icon"><path data-v-9117f4b0="" d="M17 21V19C17 17.9391 16.5786 16.9217 15.8284 16.1716C15.0783 15.4214 14.0609 15 13 15H5C3.93913 15 2.92172 15.4214 2.17157 16.1716C1.42143 16.9217 1 17.9391 1 19V21" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"></path><path data-v-9117f4b0="" d="M9 11C11.2091 11 13 9.20914 13 7C13 4.79086 11.2091 3 9 3C6.79086 3 5 4.79086 5 7C5 9.20914 6.79086 11 9 11Z" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"></path><path data-v-9117f4b0="" d="M23 20.9999V18.9999C22.9993 18.1136 22.7044 17.2527 22.1614 16.5522C21.6184 15.8517 20.8581 15.3515 20 15.1299" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"></path><path data-v-9117f4b0="" d="M16 3.12988C16.8604 3.35018 17.623 3.85058 18.1676 4.55219C18.7122 5.2538 19.0078 6.11671 19.0078 7.00488C19.0078 7.89305 18.7122 8.75596 18.1676 9.45757C17.623 10.1592 16.8604 10.6596 16 10.8799" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"></path></svg>').firstChild
            newdiv = newDOM("div",groupclass+" nmf-groups","inline-grid")
        }
        function GFP(groupflex,z,process,batch,i,id_series){
            let wl = false
            let bl = false
            var gid = 0
            if(groupflex.innerText == "No Group") gid = 0
            else {
                if(groupflex.children[z].href) gid = groupflex.children[z].href.split("/")[4]
                else if(groupflex.children[z].parentElement.href) gid = groupflex.children[z].parentElement.href.split("/")[4] //external links
                else {
                    groupflex = groupflex.getElementsByClassName("nmf-single")[z].children[1]
                }//console.log(groupflex.children[z])
            }
            //check if should be shown
            if(HideThis(blacklist,id_series,gid)) {
                console.log("blacklisted! hidethis")
                process += false
                bl = true
                //ChangeToBL(batch[i].getElementsByTagName("a")[0])
            }
            else if(OnlyThis(whitelist,id_series,gid) == 1) {
                console.log("not in whitelist!")
                process += false
            }
            else if(OnlyThis(whitelist,id_series,gid) == 2) {
                console.log("whitelisted!")
                process += true
                wl = true
            }
            else{
                process += true
            }
            //add buttons
            // if(!groupflex.getElementsByClassName("nmf-single").length){
            //     var single = newDOM("div","nmf-single","flex")
            //     var newicono
            //     if(!!icono) {
            //         newicono= cloneDOM("svg",icono)
            //         single.append(newicono)
            //     }
            //     var dagroup = document.createElement("a")
            //     dagroup = groupflex.children[z].cloneNode(true)
            //     if(dagroup.tagName != "A") {
            //         dagroup = newInner("a",grouptagclass,groupflex.children[z].innerText)
            //         if(!!groupflex.children[z].parentElement.href) dagroup.href = groupflex.children[z].parentElement.href //for external
            //     }
            //     dagroup.style.maxWidth = "80%"
            //     dagroup.title = groupflex.children[z].innerText
            //     single.append(dagroup)
            //     var executor
            //     if(wl) executor = newInner("div","list-options","<button title=\"Remove from Whitelist\" onclick=\"WL('"+id_series+"','"+gid+"')\">✅</button><button title=\"Add to Blacklist\" onclick=\"BL('"+id_series+"','"+gid+"')\">❌</button>")
            //     else if(bl) executor = newInner("div","list-options","<button title=\"Add to Whitelist\" onclick=\"WL('"+id_series+"','"+gid+"')\">✅</button><button title=\"Remove from Blacklist\" onclick=\"BL('"+id_series+"','"+gid+"')\">❌</button>")
            //     else executor = newInner("div","list-options","<button title=\"Add to Whitelist\" onclick=\"WL('"+id_series+"','"+gid+"')\">✅</button><button title=\"Add to Blacklist\" onclick=\"BL('"+id_series+"','"+gid+"')\">❌</button>")
            //     single.append(executor)
            //     newdiv.append(single)
            // }
            return process
        }
        try{
            if(!repeated){
                for(let z=1; z<groupflex.children.length; z++){
                    process = GFP(groupflex,z,process,batch,i,id_series)
                }
                if(groupflex.children.length == 1) process = GFP(groupflex,0,process,batch,i,id_series)
                // if(!batch[i].getElementsByClassName(groupclass+" nmf-groups").length) groupflex.parentElement.replaceChild(newdiv,groupflex)
                // else return true
                return process
            }
            else{//has been repeated
                for(let g of groupflex){
                    var gid = getID(g.parentElement)
                    //check if should be shown
                    if(HideThis(blacklist,id_series,gid)) {
                        console.log("blacklisted! processgroups")
                        process += false
                        ChangeToBL(batch[i].getElementsByTagName("a")[0])
                    }
                    else if(OnlyThis(whitelist,id_series,gid) == 1) {
                        console.log("not in whitelist!")
                        process += false
                    }
                    else if(OnlyThis(whitelist,id_series,gid) == 2) {
                        console.log("whitelisted!")
                        process += true
                    }
                    else{
                        process += true
                    }
                }
                return process
            }
        }
        catch(e){
            console.log("groupflex error")
            console.log(e)
            console.log(batch[i])
            return true
        }
    }
}

function DecideNext(pseries,nextc,nextl,last,link,id_series,l){
    if(pseries >= 0) NextNext(seriesdex,pseries,[nextc,nextl])
    else seriesdex.push({id:id_series, name:l.firstChild.innerText, last:last, nextc:nextc, nextl:nextl})

    let index = FS(follows,id_series)
    if(index >= 0){
        if(seriesdex[pseries].last < last || seriesdex[pseries].last == null) seriesdex[pseries].last = last
        if(nextc > last){
            NextNext(follows,index,[nextc,nextl])
            NextNext(seriesdex,pseries,[nextc,nextl])
        }
        if(l != follows[index].pointer) {
            while(l.getElementsByClassName(classChapter)[0] != undefined) follows[index].pointer.getElementsByClassName(classChapter)[0].append(l.getElementsByClassName(classChapter)[0])
        }
    }
    else{
        follows.push({id:id_series, ch:last, url:link, nextc:nextc, nextl:nextl, pointer:l})
    }

    if(pseries == -1) pseries = FS(seriesdex,id_series)
    if(seriesdex[pseries].nextc == 0 || seriesdex[pseries].nextc == null || seriesdex[pseries].nextc == 10000 || (seriesdex[pseries].nextc > nextc && seriesdex[pseries].last < nextc)){
        seriesdex[pseries].nextc = nextc
        seriesdex[pseries].nextl = nextl
    }
}

var feedone = "mb-2"//mb-4

function FollowsFeed(){
    if(JSON.parse(localStorage.getItem("whitelist"))) whitelist = JSON.parse(localStorage.getItem("whitelist"))
    if(JSON.parse(localStorage.getItem("blacklist"))) blacklist = JSON.parse(localStorage.getItem("blacklist"))

    if(document.URL.includes("titles/feed")) {
        var feedwhole = "mb-12"

        if(document.getElementsByClassName(feedwhole).length){//if page is loaded
            console.log("FollowsFeed")
            lista = document.getElementsByClassName(feedwhole)[0].getElementsByClassName(feedone)
            console.log("lista loaded")
            createModal()

            for(let i = seriesdex.length-1; i>=0; i--){//to correct a previous bug
                if(seriesdex[i].id.includes("/")) seriesdex.splice(i,1)
            }

            for(let l of lista){//check the list
                try{
                    var id_series = getID(l)//.getElementsByTagName("a")[0].href.split("/")[4]
                    var batch = l.getElementsByClassName(classChapter)
                    var chap, link, read, nextc, nextl, last
                    nextc = 10000
                    nextl = ""
                    let pseries = FS(seriesdex,id_series)
                    if(pseries < 0) last = -10
                    else last = seriesdex[pseries].last

                    if(batch.length){//if there's chapters
                        for(let i=0; i<batch.length; i++){
                            var name = batch[i].getElementsByTagName("a")[0].innerText.replace("\n"," ")
                            var current = GetNumero(name)//name.split(" ")[1]*1
                            var process = false
                            batch[i].getElementsByTagName("a")[0].setAttribute("title",name)
                            try{//for external links
                                JSON.parse(current)
                            }
                            catch(e){
                                current = batch[i].getElementsByTagName("a")[0].innerText.replace("\n"," ").split(" ")[2]*1
                                if(Number.isNaN(current)) current = 0
                            }

                            if(filter) process = ProcessGroups(process,batch,i,id_series)
                            else process = true

                            if(process){//should be shown
                                if(!HasBeenRead(batch[i])){
                                    if(last < current && nextc > last && nextc > current){
                                        nextc = current
                                        nextl = batch[i].getElementsByTagName("a")[0].href.split("chapter/")[1]
                                    }
                                }
                                else if(HasBeenRead(batch[i])){
                                    if(last < current) last = current
                                }
                                if(filter) InverseIt(batch[i].getElementsByTagName("a")[0].parentElement)
                            }
                            else{//has to be hidden
                                if(filter) ChangeToBL(batch[i].getElementsByTagName("a")[0])
                            }
                        }
                    }

                    DecideNext(pseries,nextc,nextl,last,link,id_series,l)
                }
                catch(e){
                    console.log("error processing lista")
                    console.log(e)
                }
            }

            for(let f of follows){//consider chapters that aren't together
                let avail = f.pointer.getElementsByClassName(classChapter)
                let lastest = -10
                let newest = 10000
                let link = null
                let current = FS(seriesdex,f.id)
                if(current >= 0){
                    lastest = seriesdex[current].last
                    newest = seriesdex[current].nextc
                }
                for(let a of avail){
                    if(!a.getElementsByClassName("continue").length){
                        let elem = a.getElementsByTagName("a")[0]
                        let disONE = elem.innerText.replace("\n"," ").split(" ")[1]*1
                        try{
                            JSON.parse(disONE)//for external links
                        }
                        catch(e){
                            console.log("external link")
                            disONE = elem.innerText.replace("\n"," ").split(" ")[2]*1
                            if(Number.isNaN(disONE)) disONE = 0
                        }
                        let unread = (!HasBeenRead(a))
                        if(disONE > lastest && !unread) lastest = disONE
                        if(unread && newest > disONE && disONE > lastest) {
                            newest = disONE
                            link = elem.href.split("chapter/")[1]
                        }
                    }
                }

                f.ch = lastest
                if(newest > lastest) {
                    f.nextc = newest
                    f.nextl = link
                }
                else{
                    f.nextc = 10000
                    f.nextl = null
                }
                if(lastest > seriesdex[current].last) {
                    seriesdex[current].last = lastest
                }
                else{
                    if(seriesdex[current].nextc != f.nextc){
                        seriesdex[current].nextc = f.nextc
                        seriesdex[current].nextl = f.nextl
                    }
                }
            }

            for(let l of lista){//add the continue link if necessary and add filtering button
                let fbtn = newInner("button","nmf-btn","🔧")
                fbtn.style.float = "right"
                fbtn.setAttribute("onclick","NMDFilter(event)")
                let titu = l.getElementsByClassName("chapter-feed__title")[0]
                let fbtn_container = cloneDOM("a",titu)
                fbtn_container.innerHTML = ""
                fbtn_container.removeAttribute("href")
                fbtn_container.append(fbtn)
                fbtn_container.style.display = "block"
                //fbtn_container.style.float = "right"
                if(filter && !!!l.getElementsByClassName("nmf-btn").length) {
                    titu.parentElement.insertBefore(fbtn_container,titu)
                    titu.style.width = "95%"
                }
                let elem = l.getElementsByTagName("a")[0]
                if(elem){ //l.firstChild.getElementsByTagName("a")[0]
                    let daONE = seriesdex[FS(seriesdex,elem.href.split("/")[4])]
                    let extrainfo = ""
                    if(l.getElementsByClassName(classFeed).length == 0) l.style.display = "none"
                    else if(daONE.nextc > daONE.last && daONE.nextl){
                        if(daONE.last != -10 && (daONE.nextc - daONE.last >= 1.2)) extrainfo = " (WARNING: skipped chapters)"
                        if(daONE.last == -10) extrainfo = " (WARNING: no previous info)"
                        let newbutton = newInner("div",classFeed,"<button class=\"continue\"><a href=\"/chapter/"+daONE.nextl+"\">CONTINUE to Chapter "+daONE.nextc+extrainfo+"</button>")
                        if(l.getElementsByClassName("continue").length == 0) l.getElementsByClassName("chapter-feed__chapters")[0].insertBefore(newbutton,l.getElementsByClassName(classFeed)[0])
                        else l.getElementsByClassName("continue")[0].parentElement.innerHTML = newbutton.innerHTML
                    }
                    if((daONE.nextl == null || daONE.nextl == "") && l.getElementsByClassName("continue")[0] != undefined) l.getElementsByClassName("continue")[0].parentElement.remove()
                }
            }

            for(let n=follows.length-1; n >= 0; n--){//put unread series on top of the list
                if(follows[n].pointer.getElementsByClassName("continue")[0] != undefined) lista[0].parentElement.insertBefore(follows[n].pointer,lista[0])
            }
            localStorage.setItem("seriesdex",JSON.stringify(seriesdex))
        }
        else repeat = setTimeout(FollowsFeed,5000)
    }
}

function Clickear(){
    hola = document.getElementsByClassName("follows__content mb-12")[0].firstChild.children
    state = true
    try{
        for(let h of hola){
            if(h.innerHTML != "<!---->"){
                if(h.firstChild.firstChild.lastChild.tagName == "BUTTON") {
                    h.firstChild.firstChild.lastChild.click()
                }
                else state = false
            }
        }
        if(state) setTimeout(Clickear,2500)
        else FillTitles()
    }
    catch(e){
        setTimeout(Clickear,2500)
    }
}

function Llenar(X){
    let temp = []
    console.log("now filling "+X.firstChild.firstChild.firstChild.innerText)
    for(let t of X.getElementsByClassName("manga-card")){
        var id = getID(t)//.getElementsByTagName("a")[0].href.split("/")[4]
        var name = t.getElementsByTagName("a")[0].innerText.replaceAll("\n    ","").replaceAll("\n  ","")
        temp.push({id:id, name:name, last:null, nextc:null, nextl:null })
        if(temp.length == 0) temp = [{id:id, name:name, last:null, nextc:null, nextl:null}]
    }
    console.log("Done Filling!!")
    return temp
}

function NewButton(){
    try{
        newb = document.createElement("button")
        newb.innerHTML = "<button id=\"fill-btn\" data-v-621772ff=\"\" type=\"button\" class=\"v-btn v-btn--is-elevated v-btn--has-bg theme--dark v-size--default\"><span class=\"v-btn__content\"><span data-v-621772ff=\"\" aria-hidden=\"true\" class=\"v-icon notranslate theme--dark\" onclick=\"Fill()\"><a>FILL</a></span></span></button>"
        if(!document.getElementById("fill-btn")) document.getElementsByClassName("controls mb-auto ml-auto")[0].appendChild(newb)

        dl = document.createElement("div")
        dl.innerHTML="<button class=\"rounded relative md-btn flex items-center px-3 my-6 justify-center text-white bg-primary hover:bg-primary-darken active:bg-primary-darken2 glow px-4 px-6\" onclick=\"DownloadCSV()\">Download CSV</button><button class=\"rounded relative md-btn flex items-center px-3 my-6 justify-center text-white bg-primary hover:bg-primary-darken active:bg-primary-darken2 glow px-4 px-6\" onclick=\"DownloadJSON()\">Download JSON<button>"
        document.getElementsByClassName("follows__display")[0].parentElement.insertBefore(dl,document.getElementsByClassName("follows__display")[0])
    }
    catch(e){
        setTimeout(NewButton,500)
    }
}

function FillTitles(){
    try{
        titles = document.getElementsByClassName("follows__content")[0].firstChild.children
        if(titles != undefined){
            console.log("Filling Titles")
            for(t of titles){
                if(t.innerHTML != "<!---->"){
                    let status = t.firstChild.firstChild.firstChild.innerText
                    if(status == "Reading") reading = Llenar(t)
                    if(status == "On Hold") onhold = Llenar(t)
                    if(status == "Plan To Read") planto = Llenar(t)
                    if(status == "Dropped") dropped = Llenar(t)
                    if(status == "Completed") completed = Llenar(t)
                }
            }

            let oldr = JSON.parse(localStorage.getItem("reading"))
            let oldo = JSON.parse(localStorage.getItem("onhold"))
            let oldp = JSON.parse(localStorage.getItem("planto"))
            let oldd = JSON.parse(localStorage.getItem("dropped"))
            let oldc = JSON.parse(localStorage.getItem("completed"))

            for(let r of reading){
                if(FS(seriesdex,r.id) == -1) seriesdex.push(r)
            }

            function Copiar(arrA,argB){
                if(FS(arrA, argB.id) >= 0){
                    let indice = FS(arrA, argB.id)
                    arrA[indice].last = argB.last
                    arrA[indice].nextc = argB.nextc
                    arrA[indice].nextl = argB.nextl
                }
            }

            for(let i = seriesdex.length-1; i >= 0; i--){
                Copiar(completed, seriesdex[i])
                Copiar(onhold, seriesdex[i])
                Copiar(reading, seriesdex[i])
                Copiar(dropped, seriesdex[i])
                //Copiar(planto, seriesdex[i])
            }

            function UpdateArrays(old,array){
                for(let a of array){
                    let indice = FS(old,a.id)
                    if(old[indice].last > a.last) {
                        a.last = old[indice].last
                        a.nextc = old[indice].nextc
                        a.nextl = old[indice].nextl
                    }
                }
                return array
            }

            reading = UpdateArrays(oldr,reading)
            //planto = UpdateArrays(oldp,planto)
            onhold = UpdateArrays(oldo,onhold)
            dropped = UpdateArrays(oldd,dropped)
            completed = UpdateArrays(oldc,completed)

            localStorage.setItem("reading",JSON.stringify(reading))
            localStorage.setItem("planto",JSON.stringify(planto))
            localStorage.setItem("onhold",JSON.stringify(onhold))
            localStorage.setItem("dropped",JSON.stringify(dropped))
            localStorage.setItem("completed",JSON.stringify(completed))
            alert("Done!")
        }
    }
    catch(e){
        console.log("error filling titles")
        console.log(e)
    }
}

function main(){
    if(document.getElementsByClassName("ml-4 cursor-pointer rounded-full overflow-hidden bg-accent flex items-center justify-center").length && document.getElementsByClassName("ml-4 cursor-pointer rounded-full overflow-hidden bg-accent flex items-center justify-center")[0].firstChild.tagName == "IMG"){//is logged
        if(document.URL.includes("https://mangadex.org/user/me")){
            console.log("Script ready")

            function EsperaBotones(){
                try{
                    botones = document.getElementsByClassName("follows__content mb-12")[0].getElementsByTagName("button")
                }
                catch(e){
                    setTimeout(EsperaBotones,1000)
                }
            }

            EsperaBotones()

            function Repetir(){
                estado = true

                for(let b of botones){
                    if(b.innerText.includes("Load More")) {
                        b.click()
                        estado = false
                    }
                }

                if(estado) FillTitles()
                else setTimeout(Repetir,2500)
            }

            document.Fill = function(){
                console.log("Loading series...")
                alert("Please wait until the next alert, this can take several minutes depending of how many series you follow.")
                Repetir()
            }

            if(document.getElementsByClassName("select__tab select__tab-active")[0].innerText == "Follows"){
                NewButton()
            }
        }

        if(document.URL.includes("https://mangadex.org/titles/feed")){
            console.log("checking feed")
            follows = []
            ScriptForm()

            if(document.getElementsByClassName(feedone).length) FollowsFeed()
            else setTimeout(main,2000)
        }

        if(document.URL.includes("https://mangadex.org/title/")){
            console.log("Checking a series")
            var fstatus
            if(JSON.parse(localStorage.getItem("whitelist"))) whitelist = JSON.parse(localStorage.getItem("whitelist"))
            if(JSON.parse(localStorage.getItem("blacklist"))) blacklist = JSON.parse(localStorage.getItem("blacklist"))
            function UpdatingSeriesData(){
                var loadedp = "flex gap-2 sm:mb-0 mb-2"
                if(document.getElementsByClassName(loadedp).length && document.getElementsByClassName("chapter-grid").length){//if page is loaded
                    console.log("loaded")
                    var toProcess = false
                    var id_series = document.URL.split("/")[4]
                    let daIndex = FS(seriesdex,id_series)
                    var daLast = -110
                    var daNext = 10000
                    var daNLink = null
                    var tags = document.getElementsByClassName("tag bg-accent")
                    var volChange = document.getElementsByClassName("col-span-4")
                    var sus = false
                    fstatus = document.getElementsByClassName(loadedp)[0].firstChild.innerText //following status
                    console.log("fstatus: "+fstatus)
                    if(fstatus == ""){
                        setTimeout(UpdatingSeriesData,500)
                        return
                    }
                    var toConsider = ["Reading","Completed","On Hold","Dropped","Added To Library"]
                    var lastup = document.getElementsByClassName("chapter-grid")[0].innerText.split(" ")[1]*1
                    if(Number.isNaN(lastup) || HideThis(blacklist,id_series,getID(document.getElementsByClassName(grouptagclass)[0].parentElement))) lastup = 100000
                    for(let t of tags){
                        //console.log(t.innerText)
                        if(t.innerText.toLowerCase().includes("4-koma")) {
                            sus = true
                            console.log("SUS!!")
                        }
                    }
                    function Apoo(){
                        if(toConsider.includes(fstatus)){//(fstatus == "Reading"){
                            console.log("reading series")
                            toProcess = true
                            daVolumes = document.getElementsByClassName("rounded flex flex-col gap-2")
                            for(let dv of daVolumes){
                                //console.log("checking volumes")
                                daChapters = dv.getElementsByClassName("chapter-grid")
                                for(let dc of daChapters){
                                    //console.log("checking chapters")
                                    let current
                                    if(dc.innerText.includes("Oneshot")) current = 0
                                    else current = GetNumero(dc.innerText.split("\n")[0])
                                    if(Number.isNaN(current)) current = GetNumero(dc.parentElement.parentElement.parentElement.innerText.split("\n")[0])
                                    if(current <= daLast) break
                                    //console.log("checking "+current)
                                    // console.log(dc.innerText)
                                    if(sus){
                                        console.log("sus checking "+current)
                                        if(current < lastup) lastup = current
                                        else {
                                            console.log("break")
                                            return
                                        }
                                    }
                                    if((!HideThis(blacklist,id_series,getID2(dc)) || HideThis(whitelist,id_series,getID2(dc))) && !HasBeenRead(dc) && daNext > current && daNext > daLast){
                                        daNext = current
                                        console.log("daNext: "+daNext)
                                        daNLink = getID(dc)//.getElementsByTagName("a")[0].href.split("/")[4]
                                        console.log("daNLink: "+daNLink)
                                    }//todo: multiple groups
                                    if((HideThis(blacklist,id_series,getID2(dc)) || OnlyThis(whitelist,id_series,getID2(dc))==1) && !HasBeenRead(dc) && daNext > current && daNext > daLast){//not consider if it's blacklisted
                                        if(daIndex >= 0 && getID(dc) == seriesdex[daIndex].nextl){//ignores a next chapter if it's blacklisted
                                            console.log("reseting daNext")
                                            daNext = 10000
                                            daNLink = null
                                        }
                                    }
                                    if(HasBeenRead(dc) && daLast < current) {
                                        daLast = current
                                        if(daNext <= daLast) {
                                            daNext = 10000
                                            daNLink = null
                                        }
                                        console.log("found a last one")
                                        break
                                    }
                                }
                            }
                        }
                    }
                    Apoo()
                    
                    if(daIndex >= 0){
                        if(seriesdex[daIndex].name != document.title.replace(" - MangaDex","")) seriesdex[daIndex].name = document.title.replace(" - MangaDex","")
                        console.log("previous last: "+seriesdex[daIndex].last)
                        if(sus){
                            seriesdex[daIndex].last = daLast
                            seriesdex[daIndex].nextc = daNext
                            seriesdex[daIndex].nextl = daNLink
                        }else if(seriesdex[daIndex].last <= daLast) {
                            seriesdex[daIndex].last = daLast
                            seriesdex[daIndex].nextc = daNext
                            seriesdex[daIndex].nextl = daNLink
                        }
                        console.log("new last: "+seriesdex[daIndex].last)
                    }
                    else {
                        if(toProcess){//not registered
                            console.log("new series!")
                            seriesdex.push({id:id_series, name:document.title.replace(" - MangaDex",""), last:daLast, nextc:daNext, nextl:daNLink})
                        }
                        else{//fixes bug that adds everything
                            if(fstatus != "Plan to Read") seriesdex.splice(daIndex,1)
                        }
                    }
                    if(FS(seriesdex,id_series) >= 0) console.log(seriesdex[FS(seriesdex,id_series)])
                    localStorage.setItem("seriesdex",JSON.stringify(seriesdex))
                }
                else setTimeout(UpdatingSeriesData,500)
            }
            UpdatingSeriesData()
        }
    }
    else setTimeout(main,5000)
}

function Loop(){
    try{
        if(disURL != document.URL){
            console.log("loop")
            repeat = setTimeout(main,5000)
            disURL = document.URL
            trigger = false
        }
    }
    catch(e){
        console.log("error loop")
    }
    frutyloop = setTimeout(Loop,1000)
}

frutyloop = setTimeout(Loop,1000)

function exportToJsonFile(jsonData) {
    let dataStr = JSON.stringify(jsonData);
    let dataUri = 'data:application/json;charset=utf-8,'+ encodeURIComponent(dataStr);

    let exportFileDefaultName = 'seriesdex.json';

    let linkElement = document.createElement('a');
    linkElement.setAttribute('href', dataUri);
    linkElement.setAttribute('download', exportFileDefaultName);
    linkElement.click();
}

function parseJSONToCSVStr(jsonData) {
    if(jsonData.length == 0) {
        return '';
    }

    let keys = Object.keys(jsonData[0]);

    let columnDelimiter = '\t';
    let lineDelimiter = '\n';

    let csvColumnHeader = keys.join(columnDelimiter);
    let csvStr = csvColumnHeader + lineDelimiter;

    jsonData.forEach(item => {
        keys.forEach((key, index) => {
            if( (index > 0) && (index < keys.length) ) {
                csvStr += columnDelimiter;
            }
            csvStr += item[key];
        });
        csvStr += lineDelimiter;
    });

    return encodeURIComponent(csvStr);;
}

function exportToCsvFile(jsonData) {
    let csvStr = parseJSONToCSVStr(jsonData);
    let dataUri = 'data:text/csv;charset=utf-8,'+ csvStr;

    let exportFileDefaultName = 'MangaDexFollowFeed.csv';

    let linkElement = document.createElement('a');
    linkElement.setAttribute('href', dataUri);
    linkElement.setAttribute('download', exportFileDefaultName);
    linkElement.click();
}

function PrepareData(lala){
    var temp = []
    reading = JSON.parse(localStorage.getItem("reading"))
    planto = JSON.parse(localStorage.getItem("planto"))
    onhold = JSON.parse(localStorage.getItem("onhold"))
    dropped = JSON.parse(localStorage.getItem("dropped"))
    completed = JSON.parse(localStorage.getItem("completed"))

    function Processing(arrayy,naame){
        for(let a of arrayy){
            let last
            if(lala){
                //if(a.last*1 < 0 || JSON.parse(a.last) == null) last = "unregistered"
                if(a.last*1 < 0 || a.last == null) last = "unregistered"
                else last = a.last
            }
            else last = a.last
            temp.push({id:a.id,name:a.name,state:naame,last:last})
            if(temp.length == 0) temp = [{id:a.id,name:a.name,state:naame,last:last}]
        }
    }

    Processing(reading,"Reading")
    Processing(onhold,"On Hold")
    Processing(planto,"Plan to Read")
    Processing(dropped,"Dropped")
    Processing(completed,"Completed")

    return temp
}

window.FF = function(){//for debugging
    FollowsFeed()
}

window.DownloadCSV = function(){
    exportToCsvFile(PrepareData(true))
}

window.DownloadJSON = function(){
    exportToJsonFile(PrepareData(false))
}

document.onscroll = function() {
    // if(document.URL.includes("titles/feed")) {
        var w = document.documentElement.clientHeight;
        var over = document.documentElement.scrollTopMax;
        if(document.documentElement.scrollTop < over) trigger = true
        if(w < over && document.documentElement.scrollTop == over) {
            if(trigger) setTimeout(main,500)
            trigger = false
        }
    // }
}

document.WL = function(id,gid){
    if(OnlyThis(whitelist,id,gid) < 2 ) {//it's not included
        whitelist.push([id,gid])
        alert("This group has been added to the whitelist for this series. Click the botton again to undo it.")
    }
    if(HideThis(whitelist,id,gid)){
        whitelist.splice(whitelist.findIndex(q => q[0] == id && q[1] == gid),1)
        alert("This group has been removed from the whitelist for this series.")
    }
    UpdateShown()
    localStorage.setItem("whitelist",JSON.stringify(whitelist))
}

document.BL = function(id,gid){
    if(!HideThis(blacklist,id,gid)){
        blacklist.push([id,gid])
        alert("This group has been added to the blacklist for this series. Click the botton again to undo it.")
    }
    else{
        blacklist.splice(blacklist.findIndex(q => q[0] == id && q[1] == gid),1)
        alert("This group has been removed from the blacklist for this series.")
    }
    UpdateShown()
    localStorage.setItem("blacklist",JSON.stringify(blacklist))
}

window.SaveFilter = function(event){
    let nodo = event.target.parentElement.parentElement

    function AddtoArray(array,id,gid){
        if(array.findIndex(q => q[0] == id && q[1] == gid) < 0) array.push([id,gid])
        return array
    }

    function RemoveFromArray(array,id,gid){
        let index = array.findIndex(q => q[0] == id && q[1] == gid)
        if(index >= 0) {
            array.splice(index,1)
            alert("Removed from the list")
        }
        return array
    }
    for(let x=1; x<nodo.children[5].firstChild.childElementCount; x++){
        let gid = nodo.children[5].firstChild.children[x].cells[1].innerText
        let wl = JSON.parse(nodo.children[5].firstChild.children[x].cells[2].firstChild.checked)
        let bl = JSON.parse(nodo.children[5].firstChild.children[x].cells[3].firstChild.checked)
        let id = nodo.children[1].id
        if(wl&&bl) alert("It can't be part of both lists")
        else if(wl) {
            AddtoArray(whitelist,id,gid)
            alert("Whitelisted")
        }
        else if(bl) {
            AddtoArray(blacklist,id,gid)
            alert("Blacklisted")
        }
        if(!wl) RemoveFromArray(whitelist,id,gid)
        if(!bl) RemoveFromArray(blacklist,id,gid)
    }
    localStorage.setItem("whitelist",JSON.stringify(whitelist))
    localStorage.setItem("blacklist",JSON.stringify(blacklist))
}

function UpdateShown(){
    let hidden = document.getElementsByClassName("hideme")
    if(hidden.length){    //document.getElementsByClassName("hideme")[0].parentElement.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement == l
        for(let h of hidden) {//document.getElementsByClassName("hideme")[0].parentElement.parentElement.parentElement == batch[i]
            let batch = h.parentElement.parentElement.parentElement
            let l = batch.parentElement.parentElement.parentElement.parentElement
            let id = getID(l)//.getElementsByTagName("a")[0].href.split("/")[4]
            let gel = h.parentElement.parentElement.children[1]
            let gid = 0
            if(gel.getElementsByTagName("a").length) gid = getID(gel)//.getElementsByTagName("a")[0].href.split("/")[4]
            else if(gel.getElementsByTagName("span").length) gid = gel.getElementsByTagName("span")[0].parentElement.href.split("/")[4]
            if(!HideThis(blacklist,id,gid)) InverseIt(h.parentElement)
            //else InverseIt(h.parentElement)
        }
    }
}