// ==UserScript==
// @name        Fanfiction+
// @namespace   DanielVestol.Fanfiction.net
// @description Improves readability and allows EBOOK DOWNLOADS!
// @include     https://www.fanfiction.net/*
// @include     https://www.fictionpress.com/s/*
// @version     1.20.0
// @grant       GM_xmlhttpRequest
// @downloadURL https://update.greasyfork.icu/scripts/13768/Fanfiction%2B.user.js
// @updateURL https://update.greasyfork.icu/scripts/13768/Fanfiction%2B.meta.js
// ==/UserScript==

// SETTINGS
const config = {
    ebookServer: "http://ebook.danielv.no",
    // ebookServer: "http://localhost",
};
// END OF SETTINGS
console.log("DOM fully loaded and parsed");

// Better change between mobile and desktop edition.
// Credits to SirCxyrtyx for snippet
var mobileVersion = 'location = "https://m.fanfiction.net' + document.location.pathname + '"';
// console.log(mobileVersion);
document.getElementsByClassName('icon-kub-mobile')[0].setAttribute('onclick', mobileVersion);

// run code depending on what subpage we are on
// for main page
if (document.location.pathname == "/") {
    // Changing some simple styles
    document.getElementById('content_wrapper').style.maxWidth = '800px';
    // appending a style tag in HTML
    $('#top').append('<style>tr>td>div>ins{display:none !important;}.zmenu{display:none !important;}p{-webkit-touch-callout: text;-webkit-user-select: text;-khtml-user-select: text;-moz-user-select: text;-ms-user-select: text;user-select: text;}</style>');
}

if (document.location.pathname.substr(0, 3) == "/s/") {
    // Changing some simple styles
    $('#top').append('<style>tr>td>div>ins{display:none !important;}.zmenu{display:none !important;}p{-webkit-touch-callout: text;-webkit-user-select: text;-khtml-user-select: text;-moz-user-select: text;-ms-user-select: text;user-select: text;}</style>');
    document.getElementById('content_wrapper').style.maxWidth = '800px';
    // OCD friendly review field
    var review = document.getElementById('review');
    review.getElementsByTagName('TD')[0].remove();
    review.getElementsByTagName('TD')[0].remove(); // Remove element 1 which is now 0
    review.getElementsByTagName('DIV')[0].style.maxWidth = '765px';
    review.getElementsByTagName('DIV')[0].style.margin = '10px';
    document.getElementById('review_name_value').style.maxWidth = '780px';
    document.getElementById('review_review').style.maxWidth = '780px';
    //
    // Show whole book function
    //
    $('#content_wrapper_inner > span:nth-child(7)').append('<button id="myShit" class="btn" type="BUTTON">Show whole book</button>');
    document.getElementById('myShit').addEventListener('click', function () {
        document.getElementById('storytextp').innerHTML = "<div id='topSuprSecret' style='position:fixed;top:100px;left:100px;width:auto;height:70px;padding-left:20px;padding-right:20px;background-color:#A2DEF2;'><h1>Loading book...</h1></div>";
        $.ajaxSetup({
            async: false
        });
        setTimeout(function () { //timeout to let it get us a progress bar ish thing
            for (let i = chapter; i < document.getElementById('chap_select').options.length + 1; i++) {
                // chapter is variable used by fanfiction, it counts what chapter you are at starting at 1.
                // my own call to get chapter has +1 because it fetches a list starting at 0 instead.
                console.log("Downloading " + document.location.pathname.substr(3, 8).replace("/", "") + " chapter " + i);
                var $div = $('<div>');
                $div.load('https://www.fanfiction.net/s/' + document.location.pathname.substr(3, 8).replace("/", "") + '/' + i + ' #storytext', function () {
                    // now $(this)[0].innerHTML contains #storytext
                    $("#storytextp").append($(this)[0].innerHTML);
                });
            }
            document.getElementById('topSuprSecret').outerHTML = '';
        }, 100); // end of timeout
    });
    //
    // EBOOKS!!!!!!!!!!!!!!!!!
    //
    $('#content_wrapper_inner > span:nth-child(7)').append('<button id="getEbook" class="btn" type="BUTTON">ebook</button>');
    document.getElementById('getEbook').addEventListener('click', function () {
        document.getElementById('storytextp').innerHTML = "<div id='topSuprSecret' style='position:fixed;top:100px;left:100px;width:auto;height:70px;padding-left:20px;padding-right:20px;background-color:#A2DEF2;'><h1>Loading book...</h1></div>";
        $.ajaxSetup({
            async: false
        });

        getBookLegacy()
        // getBookWithLinks()

        function getBookLegacy() {
            let data = {
                ebookMethod: "legacy",
                title: document.querySelector("#profile_top > b").innerHTML,
                author: [document.querySelector("#profile_top > a").innerHTML],
                description: document.querySelector("#profile_top > div").innerHTML,
                publisher: "fanfiction.net",
                contents: [],
                bookID: document.location.pathname.substr(3, 8).replace("/", "")
            };
            setTimeout(async function () { //timeout to let it get us a progress bar ish thing
                let downloaded = 0
                for (let i = 1; i < document.getElementById('chap_select').options.length + 1; i++) {
                    // chapter is variable used by fanfiction, it counts what chapter you are at starting at 1.
                    // my own call to get chapter has +1 because it fetches a list starting at 0 instead.
                    await sleep(0.1)
                    console.log("Downloading " + document.location.pathname.substr(3, 8).replace("/", "") + " chapter " + i);
                    var $div = $('<div>');
                    $div.load('https://www.fanfiction.net/s/' + document.location.pathname.substr(3, 8).replace("/", "") + '/' + i + ' #storytext', function () {
                        // now $(this)[0].innerHTML contains #storytext
                        data.contents.push({
                            title: document.getElementById('chap_select').options[i - 1].innerHTML,
                            data: $(this)[0].innerHTML,
                        });
                        downloaded++
                        document.querySelector("#topSuprSecret").innerHTML = `<h1>Downloaded ${downloaded}/${document.getElementById('chap_select').options.length}</h1>`
                    });
                }
                // Send request to server for ebook creation
                document.querySelector("#topSuprSecret").innerHTML = `<h1>Scrape complete, creating ebook...</h1>`

                GM_xmlhttpRequest({
                    method: "POST",
                    url: config.ebookServer + "/epubify",
                    data: JSON.stringify(data),
                    headers: {
                        "Content-Type": "application/json"
                    },
                    onload: function (response) {
                        let downloadURL = config.ebookServer + "/" + document.location.pathname.substr(3, 8).replace("/", "") + ".epub"
                        console.log(response.responseText + " book is done");
                        if (response.responseText == "success") {
                            // location.href = downloadURL;
                        } else {
                            console.log(response)
                            alert("Could not contact ebook server. Please alert author.");
                        }
                        document.getElementById('topSuprSecret').outerHTML = '';
                        document.getElementById('storytextp').innerHTML = `<div style="margin-top: 50px;">
                            <h1>Ebook download links:</h1>
                            <ol>
                                <li><a href="${downloadURL}">${downloadURL}</a></li>
                                <li><a href="${downloadURL.replace(".epub", ".epub.html")}">${downloadURL.replace(".epub", ".epub.html")}</a></li>
                                <li><a href="${downloadURL.replace(".epub", "A4.pdf")}">${downloadURL.replace(".epub", "A4.pdf")}</a></li>
                                <li><a href="${downloadURL.replace(".epub", "A5.pdf")}">${downloadURL.replace(".epub", "A5.pdf")}</a></li>
                            </ol>
                            <p>PDF versions will be ready in ~5 minutes.</p>
                        </div>`;
                    }
                });

            }, 100); // end of timeout
        }
        function getBookWithLinks() {
            let data = {
                ebookMethod: "links",
                title: document.querySelector("#profile_top > b").innerHTML,
                author: [document.querySelector("#profile_top > a").innerHTML],
                description: document.querySelector("#profile_top > div").innerHTML,
                publisher: "fanfiction.net",
                contents: [],
                bookID: document.location.pathname.substr(3, 8).replace("/", "")
            };
            setTimeout(function () {
                if (document.getElementById('chap_select')) {
                    for (let i = 1; i < document.getElementById('chap_select').options.length + 1; i++) {
                        data.contents[data.contents.length] = {
                            url: 'https://www.fanfiction.net/s/' + document.location.pathname.substr(3, 8).replace("/", "") + '/' + i,
                            dataSelector: "#storytextp",
                            title: document.getElementById('chap_select').options[i - 1].innerHTML,
                        };
                    }
                } else {
                    data.contents[data.contents.length] = {
                        url: 'https://www.fanfiction.net/s/' + document.location.pathname.substr(3, 8).replace("/", "") + '/1',
                        dataSelector: "#storytextp",
                        title: "Oneshot",
                    };
                }
                document.querySelector("#topSuprSecret").innerHTML = "<h1>Converting to epub...</h1>";
                console.log(data);
                GM_xmlhttpRequest({
                    method: "POST",
                    url: config.ebookServer + "/epubify",
                    data: JSON.stringify(data),
                    headers: {
                        "Content-Type": "application/json"
                    },
                    onload: function (response) {
                        console.log(response.responseText + " book is done");
                        if (response.responseText == "success") {
                            // location.href = config.ebookServer + "/" + document.location.pathname.substr(3, 8).replace("/", "") + ".epub";
                        } else {
                            alert("Could not contact ebook server. Please alert author.");
                        }
                        document.getElementById('topSuprSecret').outerHTML = '';
                    }
                });
            }, 100); // end of timeout
        }
    });
}
var sleep = async s => new Promise(r => setTimeout(r, s * 1000))