// ==UserScript==
// @name         TweetXer
// @namespace    https://github.com/lucahammer/tweetXer/
// @version      0.6.5
// @description  Delete all your Tweets for free.
// @author       Luca
// @match        https://x.com/*
// @icon         https://www.google.com/s2/favicons?domain=twitter.com
// @grant        unsafeWindow
// @downloadURL none
// ==/UserScript==

/*
 Copyright 2023 Nobody
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

var TweetsXer = {
    allowed_requests: [],
    TweetCount: 0,
    dId: "exportUpload",
    tIds: [],
    tId: "",
    ratelimitreset: 0,
    more: '[data-testid="tweet"] [aria-label="More"][data-testid="caret"]',
    skip: 0,
    total: 0,
    dCount: 0,
    lastHeaders: {},
    deleteURL: 'https://x.com/i/api/graphql/VaenaVgh5q5ih7kvyVjgtg/DeleteTweet',
    unfavURL: 'https://x.com/i/api/graphql/ZYKSe-w7KEslx3JhSIk5LA/UnfavoriteTweet',
    username: '',
    action: '',
    bookmarksURL: 'https://x.com/i/api/graphql/sLg287PtRrRWcUciNGFufQ/Bookmarks?',
    bookmarks: [],
    bookmarksNext: '',

    init() {
        // document.querySelector('header>div>div').setAttribute('class', '')
        TweetsXer.username = document.location.href.split('/')[3]
        this.createUploadForm()
        TweetsXer.initXHR()
        TweetsXer.getTweetCount()
        this.sleep(200)
    },

    sleep(ms) {
        return new Promise((resolve) => setTimeout(resolve, ms))
    },

    initXHR() {
        if (typeof AjaxMonitoring_notfired == "undefined") { var AjaxMonitoring_notfired = false }
        if (!AjaxMonitoring_notfired) {
            AjaxMonitoring_notfired = true

            /* NOTE: XMLHttpRequest actions happen in this sequence: at first "open"[readyState=1] happens, then "setRequestHeader", then "send", then "open"[readyState=2] */

            var XHR_SendOriginal = XMLHttpRequest.prototype.send
            XMLHttpRequest.prototype.send = function () {
                XHR_SendOriginal.apply(this, arguments)
            }

            var XHR_OpenOriginal = XMLHttpRequest.prototype.open
            XMLHttpRequest.prototype.open = function () {
                if (arguments[1] && arguments[1].includes("DeleteTweet")) {
                    // POST /DeleteTweet
                    TweetsXer.deleteURL = arguments[1]
                }
                XHR_OpenOriginal.apply(this, arguments)
            }

            var XHR_SetRequestHeaderOriginal = XMLHttpRequest.prototype.setRequestHeader
            XMLHttpRequest.prototype.setRequestHeader = function (a, b) {
                TweetsXer.lastHeaders[a] = b
                XHR_SetRequestHeaderOriginal.apply(this, arguments)
            }
        }
    },

    updateProgressBar() {
        document.getElementById('progressbar').setAttribute('value', this.dCount)
        document.getElementById("info").textContent = `${this.dCount} deleted`
    },

    processFile() {
        let tn = document.getElementById(`${TweetsXer.dId}_file`)
        if (tn.files && tn.files[0]) {
            let fr = new FileReader()
            fr.onloadend = function (evt) {
                // window.YTD.tweet_headers.part0
                // window.YTD.tweets.part0
                // window.YTD.like.part0
                let cutpoint = evt.target.result.indexOf('= ')
                let filestart = evt.target.result.slice(0, cutpoint)
                let json = JSON.parse(evt.target.result.slice(cutpoint + 1))

                if (filestart.includes('.tweet_headers.')) {
                    console.log('File contains Tweets.')
                    TweetsXer.action = 'untweet'
                    TweetsXer.tIds = json.map((x) => x.tweet.tweet_id)
                } else if (filestart.includes('.tweets.') || filestart.includes('.tweet.')) {
                    console.log('File contains Tweets.')
                    TweetsXer.action = 'untweet'
                    TweetsXer.tIds = json.map((x) => x.tweet.id_str)
                } else if (filestart.includes('.like.')) {
                    console.log('File contains Favs.')
                    TweetsXer.action = 'unfav'
                    TweetsXer.tIds = json.map((x) => x.like.tweetId)
                } else {
                    console.log('File contain not recognized. Please use a file from the Twitter data export.')
                }


                TweetsXer.total = TweetsXer.tIds.length
                document.getElementById('start').remove()
                TweetsXer.createProgressBar()

                TweetsXer.skip = document.getElementById('skipCount').value


                if (TweetsXer.action == 'untweet') {
                    if (TweetsXer.skip == 0) {
                        // If there is no amount set to skip, automatically try to skip the amount
                        // that has been deleted already. Difference of Tweeets in file to count on profile
                        // 5% tolerance to prevent skipping too much
                        TweetsXer.skip = TweetsXer.total - TweetsXer.TweetCount - parseInt(TweetsXer.total / 20)
                        TweetsXer.skip = Math.max(0, TweetsXer.skip)
                    }
                    console.log(`Skipping oldest ${TweetsXer.skip} Tweets`)
                    TweetsXer.tIds.reverse()
                    TweetsXer.tIds = TweetsXer.tIds.slice(TweetsXer.skip)
                    TweetsXer.dCount = TweetsXer.skip
                    TweetsXer.tIds.reverse()
                    document.getElementById(
                        `${TweetsXer.dId}_title`
                    ).textContent = `Deleting ${TweetsXer.total} Tweets`

                    TweetsXer.deleteTweets()
                } else if (TweetsXer.action == 'unfav') {
                    console.log(`Skipping oldest ${TweetsXer.skip} Tweets`)
                    TweetsXer.tIds = TweetsXer.tIds.slice(TweetsXer.skip)
                    TweetsXer.dCount = TweetsXer.skip
                    TweetsXer.tIds.reverse()
                    document.getElementById(
                        `${TweetsXer.dId}_title`
                    ).textContent = `Deleting ${TweetsXer.total} Favs`
                    TweetsXer.deleteFavs()
                } else {
                    document.getElementById(
                        `${TweetsXer.dId}_title`
                    ).textContent = `Please try a different file`
                }

            }
            fr.readAsText(tn.files[0])
        }
    },

    createUploadForm() {
        var h2_class = document.querySelectorAll("h2")[1]?.getAttribute("class") || ""
        var div = document.createElement("div")
        div.id = this.dId
        if (document.getElementById(this.dId)) { document.getElementById(this.dId).remove() }
        div.innerHTML = `<style>#${this.dId}{ z-index:99999; position: sticky; top:0px; left:0px; width:auto; margin:0 auto; padding: 20px 10%; background:#87CEFA; opacity:0.9; } #${this.dId} > *{padding:5px;}</style>
        <div>
            <h2 class="${h2_class}" id="${this.dId}_title">TweetXer</h2>
            <p id="info">Select your tweet-headers.js from your Twitter Data Export to start the deletion of all your Tweets. </p>
        <p id="start">
          <input type="file" value="" id="${this.dId}_file"  />
          <a href="#" id="toggleAdvanced">Advanced Options</a>
          <div id="advanced" style="display:none">
          <label for="skipCount">Enter how many Tweets to skip (useful for reruns) before selecting a file.</label>
          <input id="skipCount" type="number" value="0" />

          <p>To delete your Favs (aka Likes), select your like.js file.</p>
          <p>Instead of your tweet-headers.js file, you can use the tweets.js file. Unfaving is limited to 500 unfavs per 15 minutes.</p>
          <input id="exportBookmarks" type="button" value="Export Bookmarks" />

          <p><strong>No tweet-headers.js?</strong><br>
            If you are unable to get your data export, you can use the following option.<br>
            This option is much slower and less reliable. It can remove at most 4000 Tweets per hour.<br>
            <input id="slowDelete" type="button" value="Slow delete without file" />
          </p>

          <p><strong>Unfollow everyone</strong><br>
            It's time to let go. This will unfollow everyone you follow.<br>
            <input id="unfollowEveryone" type="button" value="Unfollow everyone" />
          </p>
        <p><input id="removeTweetXer" type="button" value="Remove TweetXer" /></p>
        </div>
        </p>
        </div>`
        document.body.insertBefore(div, document.body.firstChild)
        document.getElementById("toggleAdvanced").addEventListener("click", (() => {
            let adv = document.getElementById('advanced')
            if (adv.style.display == 'none') {
                adv.style.display = 'block'
            } else {
                adv.style.display = 'none'
            }
        }))
        document.getElementById(`${this.dId}_file`).addEventListener("change", this.processFile, false)
        document.getElementById("exportBookmarks").addEventListener("click", this.exportBookmarks, false)
        document.getElementById("slowDelete").addEventListener("click", this.slowDelete, false)
        document.getElementById("unfollowEveryone").addEventListener("click", this.unfollow, false)
        document.getElementById("removeTweetXer").addEventListener("click", this.removeTweetXer, false)

    },

    async exportBookmarks() {
        //document.getElementById('exportBookmarks').remove()
        //TweetsXer.createProgressBar()
        while (!('authorization' in TweetsXer.lastHeaders)) {
            await TweetsXer.sleep(1000)
        }
        let variables = ''
        while (TweetsXer.bookmarksNext.length > 0 || TweetsXer.bookmarks.length == 0) {
            if (TweetsXer.bookmarksNext.length > 0) {
                variables = `{"count":20,"cursor":"${TweetsXer.bookmarksNext}","includePromotedContent":true}`
            } else variables = '{"count":20,"includePromotedContent":false}'
            let response = await fetch(TweetsXer.bookmarksURL + new URLSearchParams({
                variables: variables,
                features: '{"graphql_timeline_v2_bookmark_timeline":true,"responsive_web_graphql_exclude_directive_enabled":true,"verified_phone_label_enabled":false,"responsive_web_home_pinned_timelines_enabled":true,"creator_subscriptions_tweet_preview_api_enabled":true,"responsive_web_graphql_timeline_navigation_enabled":true,"responsive_web_graphql_skip_user_profile_image_extensions_enabled":false,"tweetypie_unmention_optimization_enabled":true,"responsive_web_edit_tweet_api_enabled":true,"graphql_is_translatable_rweb_tweet_is_translatable_enabled":true,"view_counts_everywhere_api_enabled":true,"longform_notetweets_consumption_enabled":true,"responsive_web_twitter_article_tweet_consumption_enabled":false,"tweet_awards_web_tipping_enabled":false,"freedom_of_speech_not_reach_fetch_enabled":true,"standardized_nudges_misinfo":true,"tweet_with_visibility_results_prefer_gql_limited_actions_policy_enabled":true,"longform_notetweets_rich_text_read_enabled":true,"longform_notetweets_inline_media_enabled":true,"responsive_web_media_download_video_enabled":false,"responsive_web_enhance_cards_enabled":false}'
            }), {
                "headers": {
                    "accept": "*/*",
                    "accept-language": 'en-US,en;q=0.5',
                    "authorization": TweetsXer.lastHeaders.authorization,
                    "content-type": "application/json",
                    "sec-fetch-dest": "empty",
                    "sec-fetch-mode": "cors",
                    "sec-fetch-site": "same-origin",
                    "x-client-transaction-id": TweetsXer.lastHeaders['X-Client-Transaction-Id'],
                    "x-client-uuid": TweetsXer.lastHeaders['x-client-uuid'],
                    "x-csrf-token": TweetsXer.lastHeaders['x-csrf-token'],
                    "x-twitter-active-user": "yes",
                    "x-twitter-auth-type": "OAuth2Session",
                    "x-twitter-client-language": 'en'
                },
                "referrer": 'https://x.com/i/bookmarks',
                "referrerPolicy": "strict-origin-when-cross-origin",
                "method": "GET",
                "mode": "cors",
                "credentials": "include"
            })

            if (response.status == 200) {
                let data = await response.json()
                data.data.bookmark_timeline_v2.timeline.instructions[0].entries.forEach((item) => {

                    if (item.entryId.includes('tweet')) {
                        TweetsXer.dCount++
                        TweetsXer.bookmarks.push(item.content.itemContent.tweet_results.result)
                    } else if (item.entryId.includes('cursor-bottom')) {
                        if (TweetsXer.bookmarksNext != item.content.value) {
                            TweetsXer.bookmarksNext = item.content.value
                        } else {
                            TweetsXer.bookmarksNext = ''
                        }
                    }
                })
                console.log(TweetsXer.bookmarks)
                //document.getElementById('progressbar').setAttribute('value', TweetsXer.dCount)
                document.getElementById("info").textContent = `${TweetsXer.dCount} Bookmarks collected`
            } else {
                console.log(response)
            }

            if (response.headers.get('x-rate-limit-remaining') < 1) {
                console.log('rate limit hit')
                let ratelimitreset = response.headers.get('x-rate-limit-reset')
                let sleeptime = ratelimitreset - Math.floor(Date.now() / 1000)
                while (sleeptime > 0) {
                    sleeptime = ratelimitreset - Math.floor(Date.now() / 1000)
                    document.getElementById("info").textContent = `Ratelimited. Waiting ${sleeptime} seconds. ${TweetsXer.dCount} deleted.`
                    await TweetsXer.sleep(1000)
                }
            }
        }
        let download = new Blob([JSON.stringify(TweetsXer.bookmarks)], {
            type: 'text/plain'
        })
        let bookmarksDownload = document.createElement("a")
        bookmarksDownload.id = 'bookmarksDownload'
        bookmarksDownload.innerText = 'Download'
        bookmarksDownload.href = window.URL.createObjectURL(download)
        bookmarksDownload.download = 'twitter-bookmarks.json'
        document.getElementById('advanced').appendChild(bookmarksDownload)
    },

    createProgressBar() {
        let progressbar = document.createElement("progress")
        progressbar.setAttribute('id', "progressbar")
        progressbar.setAttribute('value', this.dCount)
        progressbar.setAttribute('max', this.total)
        progressbar.setAttribute('style', 'width:100%')
        document.getElementById(this.dId).appendChild(progressbar)
    },

    async deleteFavs() {
        // 500 unfavs per 15 Minutes
        // x-rate-limit-remaining
        // x-rate-limit-reset
        while (!('authorization' in this.lastHeaders)) {
            await TweetsXer.sleep(1000)
        }
        TweetsXer.username = document.location.href.split('/')[3]

        while (this.tIds.length > 0) {
            this.tId = this.tIds.pop()
            let response = await fetch(this.unfavURL, {
                "headers": {
                    "accept": "*/*",
                    "accept-language": 'en-US,en;q=0.5',
                    "authorization": this.lastHeaders.authorization,
                    "content-type": "application/json",
                    "sec-fetch-dest": "empty",
                    "sec-fetch-mode": "cors",
                    "sec-fetch-site": "same-origin",
                    "x-client-transaction-id": this.lastHeaders['X-Client-Transaction-Id'],
                    "x-client-uuid": this.lastHeaders['x-client-uuid'],
                    "x-csrf-token": this.lastHeaders['x-csrf-token'],
                    "x-twitter-active-user": "yes",
                    "x-twitter-auth-type": "OAuth2Session",
                    "x-twitter-client-language": 'en'
                },
                "referrer": `https://x.com/${this.username}/likes`,
                "referrerPolicy": "strict-origin-when-cross-origin",
                "body": `{\"variables\":{\"tweet_id\":\"${this.tId}\"},\"queryId\":\"${this.unfavURL.split('/')[6]}\"}`,
                "method": "POST",
                "mode": "cors",
                "credentials": "include"
            })

            if (response.status == 200) {
                TweetsXer.dCount++
                TweetsXer.updateProgressBar()
            } else {
                console.log(response)
            }

            if (response.headers.get('x-rate-limit-remaining') < 1) {
                console.log('rate limit hit')
                let ratelimitreset = response.headers.get('x-rate-limit-reset')
                let sleeptime = ratelimitreset - Math.floor(Date.now() / 1000)
                while (sleeptime > 0) {
                    sleeptime = ratelimitreset - Math.floor(Date.now() / 1000)
                    document.getElementById("info").textContent = `Ratelimited. Waiting ${sleeptime} seconds. ${TweetsXer.dCount} deleted.`
                    await TweetsXer.sleep(1000)
                }
            }
        }
    },

    async deleteTweets() {
        while (!('authorization' in this.lastHeaders)) {
            await TweetsXer.sleep(1000)
        }
        TweetsXer.username = document.location.href.split('/')[3]

        while (this.tIds.length > 0) {
            this.tId = this.tIds.pop()
            let response = await fetch(this.deleteURL, {
                "headers": {
                    "accept": "*/*",
                    "accept-language": 'en-US,en;q=0.5',
                    "authorization": this.lastHeaders.authorization,
                    "content-type": "application/json",
                    "sec-fetch-dest": "empty",
                    "sec-fetch-mode": "cors",
                    "sec-fetch-site": "same-origin",
                    "x-client-transaction-id": this.lastHeaders['X-Client-Transaction-Id'],
                    "x-client-uuid": this.lastHeaders['x-client-uuid'],
                    "x-csrf-token": this.lastHeaders['x-csrf-token'],
                    "x-twitter-active-user": "yes",
                    "x-twitter-auth-type": "OAuth2Session",
                    "x-twitter-client-language": 'en'
                },
                "referrer": `https://x.com/${this.username}/with_replies`,
                "referrerPolicy": "strict-origin-when-cross-origin",
                "body": `{\"variables\":{\"tweet_id\":\"${this.tId}\",\"dark_request\":false},\"queryId\":\"${this.deleteURL.split('/')[6]}\"}`,
                "method": "POST",
                "mode": "cors",
                "credentials": "include"
            })
            if (response.status == 200) {
                TweetsXer.dCount++
                TweetsXer.updateProgressBar()
            }
            else if (response.status == 429) {
                this.tIds.push(this.tId)
                console.log('Received status code 429. Waiting for 1 second before trying again.')
                await TweetsXer.sleep(1000)
            }
            else {
                console.log(response)
            }
        }
    },

    async getTweetCount() {
        await waitForElemToExist('header')
        await TweetsXer.sleep(1000)
        try {
            document.querySelector('[data-testid="AppTabBar_Profile_Link"]').click()
        } catch (error) {
            if (document.querySelector('[aria-label="Back"]')) {
                document.querySelector('[aria-label="Back"]').click()
                await TweetsXer.sleep(1000)
            }

            if (document.querySelector('[data-testid="app-bar-back"]')) {
                document.querySelector('[data-testid="app-bar-back"]').click()
                await TweetsXer.sleep(1000)
            }
            document.querySelector('[data-testid="DashButton_ProfileIcon_Link"]').click()
            await TweetsXer.sleep(1000)
            document.querySelector('[aria-label="Account"] a').click()
        }
        await waitForElemToExist('[data-testid="UserName"]')
        await TweetsXer.sleep(500)

        try {
            TweetsXer.TweetCount = document.querySelector('[aria-label="Home timeline"]>div>div')
                .textContent.match(/((\d|,|\.|K)+) posts$/)[1]
                .replace(/\.(\d+)K/, '$1'.padEnd(4, '0'))
                .replace('K', '000')
                .replace(',', '')
        } catch (error) {
            TweetsXer.TweetCount = document.querySelector('[data-testid="TopNavBar"]>div>div')
                .textContent.match(/((\d|,|\.|K)+) posts$/)[1]
                .replace(/\.(\d+)K/, '$1'.padEnd(4, '0'))
                .replace('K', '000')
                .replace(',', '')
        }
        console.log(TweetsXer.TweetCount + " Tweets on profile.")
        console.log("You can close the console now to reduce the memory usage.")
        console.log("Reopen the console if there are issues to see if an error shows up.")
    },

    async slowDelete() {
        document.getElementById("toggleAdvanced").click()
        document.getElementById('start').remove()
        TweetsXer.total = TweetsXer.TweetCount
        TweetsXer.createProgressBar()

        document.querySelectorAll('[data-testid="ScrollSnap-List"] a')[1].click()
        await TweetsXer.sleep(2000)

        let unretweet, confirmURT, caret, menu, confirmation

        const more = '[data-testid="tweet"] [aria-label="More"][data-testid="caret"]'
        while (document.querySelectorAll(more).length > 0) {

            // give the Tweets a chance to load; increase/decrease if necessary
            // afaik the limit is 50 requests per minute
            await TweetsXer.sleep(1200)

            // hide recommended profiles and stuff
            document.querySelectorAll('[aria-label="Profile timelines"]+section [data-testid="cellInnerDiv"]>div>div>div').forEach(x => x.remove())
            document.querySelectorAll('[aria-label="Profile timelines"]+section [data-testid="cellInnerDiv"]>div>div>[role="link"]').forEach(x => x.remove())
            document.querySelector('[aria-label="Profile timelines"]').scrollIntoView({
                'behavior': 'smooth'
            })

            // if it is a Retweet, unretweet it
            unretweet = document.querySelector('[data-testid="unretweet"]')
            if (unretweet) {
                unretweet.click()
                confirmURT = await waitForElemToExist('[data-testid="unretweetConfirm"]')
                confirmURT.click()
            }

            // delete Tweet
            else {
                caret = await waitForElemToExist(more)
                caret.click()

                menu = await waitForElemToExist('[role="menuitem"]')
                if (menu.textContent.includes('@')) {
                    // don't unfollow people (because their Tweet is the reply tab)
                    caret.click()
                    document.querySelector('[data-testid="tweet"]').remove()
                } else {
                    menu.click()
                    confirmation = await waitForElemToExist('[data-testid="confirmationSheetConfirm"]')
                    if (confirmation) confirmation.click()
                }
            }

            TweetsXer.dCount++
            TweetsXer.updateProgressBar()

            // print to the console how many Tweets already got deleted
            // Change the 100 to how often you want an update.
            // 10 for every 10th Tweet, 1 for every Tweet, 100 for every 100th Tweet
            if (TweetsXer.dCount % 100 == 0) console.log(`${new Date().toUTCString()} Deleted ${TweetsXer.dCount} Tweets`)

        }

        console.log('No Tweets left. Please reload to confirm.')
    },

    async unfollow() {
        //document.getElementById("toggleAdvanced").click()
        let unfollowCount = 0
        let next_unfollow, menu

        document.querySelector('[href$="/following"]').click()
        await TweetsXer.sleep(1200)

        const unfollow_buttons = '[data-testid="UserCell"] [data-testid$="-unfollow"]'
        while (document.querySelectorAll(unfollow_buttons).length > 0) {
            next_unfollow = document.querySelectorAll(unfollow_buttons)[0]
            next_unfollow.scrollIntoView({
                'behavior': 'smooth'
            })

            next_unfollow.click()
            menu = await waitForElemToExist('[data-testid="confirmationSheetConfirm"]')
            menu.click()
            next_unfollow.remove()
            unfollowCount++
            if (unfollowCount % 10 == 0) console.log(`${new Date().toUTCString()} Unfollowed ${unfollowCount} accounts`)
            await TweetsXer.sleep(Math.floor(Math.random() * 200))
        }

        console.log('No accounts left. Please reload to confirm.')
    },
    removeTweetXer() {
        document.getElementById('exportUpload').remove()
    }
}

const waitForElemToExist = async (selector) => {
    return new Promise(resolve => {
        if (document.querySelector(selector)) {
            return resolve(document.querySelector(selector))
        }

        const observer = new MutationObserver(() => {
            if (document.querySelector(selector)) {
                resolve(document.querySelector(selector))
                observer.disconnect()
            }
        })

        observer.observe(document.body, {
            subtree: true,
            childList: true,
        })
    })
}

TweetsXer.init()