Grab images from Discord channels.js

var articles = [];
var maps = [];

var execRegex = function (regex, callback, buffer) {
    var matches = regex.exec(buffer);
    if ((matches?.length ?? 0) > 0) {
        callback(matches);
        return buffer.replace(regex, "");
    }
    
    return buffer;
};

[].forEach.call(document.querySelectorAll("div[role='article']"), function(item, index, array) {
    var article = {
        "sender" : {
            "name" : "",            // div:nth-child(1) > h2 span > span => text
            "profile_url" : "",     // div:nth-child(1) > img => src
        },
        "message_content" : "",         // div:nth-child(1) > img ~ h2 ~ div => text
        "map": "",                  // div:nth-child(2) > div > div > a => href
        "game": "",                 
        "winner": { 
            "user":"",               
            "power": "",
            "score": "",
        },
        "defeated":{
            "user" : "",
            "power" : "",
            "score": "",
        },             
        "year": "",             
        "season": "",       
        "score": {
            "NATO": 0,
            "USSR": 0,
        },
        "NMR": 0,
        "victory_type": "",
    };

    article.sender.name = item.querySelector("h2 span[id^='message-username'] > span")?.textContent;
    article.sender.profile_url = item.querySelector("img[class^='avatar']")?.src;
    article.map = item.querySelector("div[id^='message-accessories'] a[class^='originalLink']")?.href;
    
    var contents = item.querySelectorAll("div[id^='message-content']")?.cloneNode(true);
    
    if (!!content) {
        [].forEach.call(contents, function(content) {
            var emojis = content.querySelectorAll("span[class^='emojiContainer']");
            if (!!emojis) {
                [].forEach.call(emojis, function(element) {        
                        var number = element.children[0]?.alt;
        
                        switch (number) {
                            case "1️⃣":
                                element.replaceChild(document.createTextNode("1"), element.children[0]); 
                                break;
                            case "2️⃣":
                                element.replaceChild(document.createTextNode("2"), element.children[0]); 
                                break;
                            case "3️⃣":
                                element.replaceChild(document.createTextNode("3"), element.children[0]);    
                                break;
                            case "4️⃣":
                                content.replaceChild(document.createTextNode("4"), element.children[0]);    
                                break;
                            case "5️⃣":
                                element.replaceChild(document.createTextNode("5"), element.children[0]);    
                                break;
                            case "6️⃣":
                                element.replaceChild(document.createTextNode("6"), element.children[0]);    
                                break;
                            case "7️⃣":
                                element.replaceChild(document.createTextNode("7"), element.children[0]);    
                                break;
                            case "8️⃣":
                                element.replaceChild(document.createTextNode("8"), element.children[0]);    
                                break;
                            case "9️⃣":
                                element.replaceChild(document.createTextNode("9"), element.children[0]);    
                                break;
                            case "🔟":
                                element.replaceChild(document.createTextNode("10"), element.children[0]);    
                                break;
                            case "0️⃣":
                                element.replaceChild(document.createTextNode("0"), element.children[0]);    
                                break;
                        }
                        
                        element.normalize();
                });
            
            content.normalize();
        }          
        
        article.message_content = content.textContent;
    
        var hasOnlyMap = !!article.map && !article.message_content;
        if (hasOnlyMap && articles.length > 0) {
            articles[articles.length - 1].map = article.map;
            return;
        }
    
        var buffer = article.message_content;
    
        if (!buffer)
        {
            return;
        }
        
        buffer = buffer.replace(/\(edited\)| ,| [.:]|(?:!)!+|^\s+/gim, "");
        buffer = buffer.replace(/  +|\n/gim, " ");
        
        buffer = execRegex(/^((?:(game|CW5?)\W+)?(?<side1>W?ea?st)\W*(?:CW5?\W+)?(?<game1>\d{1,2})|(?:(game|CW5?)\W+)?(?<game2>\d{1,2})\W+(?<side2>W?ea?st))(?:\W|$)/gi,
        function (matches) {
            article.game = ((matches.groups.side1 ?? matches.groups.side2) + " " + (matches.groups.game1 ?? matches.groups.game2)).toLowerCase();
        }, buffer);
        
        buffer = execRegex(/(in )?((((?<season1>fall|autumn|spring|winter) )?(?<year1>\b\d{4})( (?<endOfYear1>EoY))?)|(\b(?<season2>F|A|S|W)(?:19)?(?<year2>\d{2}))( (?<endOfYear2>EoY))?)/gi,
        function (matches) {
            article.year = matches.groups.year1 ?? "19" + matches.groups.year2;
            article.season = (matches.groups.season1 ?? matches.groups.season2 ?? matches.groups.endOfYear1 ?? matches.groups.endOfYear2)?.toLowerCase();
            
            switch (article.season) {
            case "autumn":
                article.season = "fall";
                break;
            case "eoy":
                article.season = "winter";
                break;
            case undefined:
                article.season = "fall (inferred)"
            }
        },
        buffer);
        
        var hasScore = false;   
        var winner = 0;
        var defeated = 0;     
        
        buffer = execRegex(/\(?(?:by )?(?<score1>\d{1,2}) ?[-:] ?(?<score2>\d{1,2})\)?/gi,
        function (matches) {
            var score1 = +matches.groups.score1;
            var score2 = +matches.groups.score2;
            
            hasScore = !!score1 && !!score2;
    
            if (hasScore) {
                winner = score1 > score2 ? score1 : score2;
                defeated = score1 > score2 ? score2 : score1;
            }
        },
        buffer);
    
        if (!hasScore) {
            buffer = execRegex( /(?:\(?NATO\)?:? ?)(?<nato>\d{1,2})/gi,
            function (matches) {
                article.score.NATO = matches.groups.nato;
            },
            buffer);
            
            buffer = execRegex(/(?:\(?USSR\)?:? ?)(?<ussr>\d{1,2})/gi,
            function(matches) {
                article.score.USSR = matches.groups.ussr;
            },
            buffer);
        }    
    
        buffer = execRegex(/(?<nmr>nmr)( (?<times>\d) times?)?/i,
        function (matches) {
            article.NMR = !!matches.groups.nmr ? (!!matches.groups.times ? matches.groups.times : 1) : 0;
        },
        buffer);
        
        buffer = buffer.replace(/\(edited\)| ,| [.:]|(?:!)!+|^\s+/gim, "");
        buffer = buffer.replace(/  +|\n/gim, " ");
    
        buffer = execRegex(/(?:ends )?(?:\b(by|via) )?(?:\ba )?(?<state>conce(de|ssion)|resign(ation|ed)|time|forfeit)/gi,
        function (matches) {
            article.victory_type = matches.groups.state.toLowerCase() ?? "victory";
            
            switch (article.victory_type) {
                case "concede":
                case "conceded":
                case "concession":
                case "resign":
                case "resigns":
                case "resignation":
                case "resigned":
                    article.victory_type = "concession";
                    break;
                case "time":
                case "timeout":
                    article.victory_type = "concession";
                    break;
                default:
                    article.victory_type = "victory";
                    break;
            }
        },
        buffer);
    
        buffer = execRegex(/@?(?<userName1>[⭐a-z0-9_][⭐a-z0-9 _\-.!]+)#?(=?\s*\(?(?<power1>NATO|USSR|URSS)\)?\??)\s*(?<action>(was )?defeat(s|ed)( by)?|over|w[io]ns?( against)?|lost|beats|vs?)?,?\s+@?(?<userName2>[⭐a-z0-9_][⭐a-z0-9 _\-.!]+(\(France\))?)#?(=?\s*\(?(?<power2>NATO|USSR|URSS)\)?)/gi,
        function (matches) {
            if (!!matches.groups.score1 && !!matches.groups.score2) {
            var score1 = +matches.groups.score1;
                var score2 = +matches.groups.score2;
                
                winner = score1 > score2 ? score1 : score2;
                defeated = score1 > score2 ? score2 : score1;
            }
    
            var party1 = matches.groups.userName1;
            var power1 = matches.groups.power1.toUpperCase();
            
            if (power1 == "URSS") {
                power1 = "USSR";
            }
            
            var action = matches.groups.action;
            
            var party2 = matches.groups.userName2;
            var power2 = matches.groups.power2.toUpperCase();
            
            if (power2 == "URSS") {
                power2 = "USSR";
            }
            
            if (action == "defeated by" || action == "lost") {
                article.winner.user = party2;
                article.winner.power = power2;
                article.winner.score = winner ;
                
                article.defeated.user = party1;
                article.defeated.power = power1;   
                article.defeated.score = defeated;
            
                article.score.NATO = power2 == "NATO" ? winner : defeated;
                article.score.USSR = power2 == "USSR" ? winner : defeated;
            } else {
                article.winner.user = party1;
                article.winner.power = power1;
                article.winner.score = winner;
                
                article.defeated.user = party2;
                article.defeated.power = power2;
                article.defeated.score = defeated;
            
                article.score.NATO = power1 == "NATO" ? winner : defeated;
                article.score.USSR = power1 == "USSR" ? winner : defeated;
            }
        },
        buffer);
    
        buffer = execRegex(/@?(?<userName1>[⭐a-z0-9_][⭐a-z0-9 _\-.!]+)\s*(?<action>(was )?defeat(s|ed)( by)?|over|w[io]ns?( against)?|lost|beats|vs?),?\s*@?(?<userName2>[⭐a-z0-9_][⭐a-z0-9 _\-.!]+(\(France\))?)?/gi,
        function (matches) {
            var party1 = matches.groups.userName1;
            var action = matches.groups.action;
            var party2 = matches.groups.userName2;
            
            if (action == "defeated by" || action == "lost") {
                article.winner.user = party2;
                article.defeated.user = party1;
            } else {
                article.winner.user = party1;
                article.defeated.user = party2;
            }
            
            if (winner > 0) {
                article.score.winner = winner;
            }
            
            if (defeated > 0) {
                article.score.defeated = defeated;
            }
        },
        buffer);
        
        if (!!article.victory_type || article.victory_type == "") {
            article.victory_type = "victory";
        }
    
        if (!!article.score.NATO && !!article.score.USSR && !article.game && articles.length > 0) {
            var prior = articles[articles.length - 1];
            if (!prior.score.NATO && !prior.score.USSR) {
                prior.score.NATO = article.score.NATO;
                prior.score.USSR = article.score.USSR;
    
                prior.winner.score = prior.winner.power == "NATO" ? article.score.NATO : article.score.USSR;
                prior.defeated.score = prior.defeated.power == "USSR" ? article.score.USSR : article.score.NATO;
                
                if (!prior.map) {
                    prior.map = article.map;
                }
                return;
            }
        }
    
        if (!!article.year && !article.game && articles.length > 0) {
            var prior = articles[articles.length - 1];
            if (!prior.year) {
                prior.year = article.year;
                return;
            }
        }
    
        if (!hasOnlyMap && (!!article.game && !!article.message_content)) {
            articles.push(article);
        }
    });
});

var messagesOnly = articles.filter(function(i) { return !!i.message_content }).map(function(i) { return i.message_content });
var mapsOnly = articles.filter(function(i) { return !!i.map }).map(function(i) { return {"name": i.game, "image": i.map} });
var noMapsOnly = articles.filter(function(i) { return !i.map }).map(function(i) { return i });
var noScore = articles.filter(function(i) { return !i.score.NATO || !i.score.USSR || !i.winner.score || !i.defeated.score }).map(function(i) { return i });
var curl = "";

[].forEach.call(articles, function(item) {
    var downloadURI = function(uri, name) {
        var link = document.createElement("a");
        link.download = name;
        link.href = uri;
        document.body.appendChild(link);
        link.click();
        document.body.removeChild(link);
        delete link;
    }

    var map = {
        "name" : "",      
        "url" : "", 
    };

    if (!item.map) {
        return;
    }

    var winner_power = !!item.winner.power ? " (" + item.winner.power + ")" : "";
    var defeated_power = !!item.defeated.power ? " (" + item.defeated.power + ")" : "";
    var hasNMR = item.NMR > 0;
    var isNotVictory = item.victory_type != "victory";
    var nmr = item.NMR > 0 ? item.NMR + " " + " NMRs" : "";
    var comna = item.NMR > 0 && item.victory_type != "victory" ? ", " : "";
    var victory = item.victory_type != "victory" ? item.victory_type : "";

    map.name = item.game.charAt(0).toUpperCase() + item.game.slice(1) + " - " + item.winner.user + winner_power  + " defeated "  + item.defeated.user + defeated_power + " by " + item.winner.score + "x" + item.defeated.score + " in " + item.season + " " + item.year + ( (hasNMR || isNotVictory) ? " (" + nmr +  comna + victory + ")" : "")  + "." + item.map.split('.').pop();
    map.url = item.map;
    
    if (!!map.name) {
        maps.push(map);
        curl += "curl "+ map.url + " --output \"" + map.name + "\" &&\n";
    }
});
articles;
var messages = [];
[].forEach.call(document.querySelectorAll("div[role='article'] div[id^='message-content']"), function(item) {
    var content =item.cloneNode(true);
    if (!!content) {
        var emojis = content.querySelectorAll("span[class^='emojiContainer']");
        if (!!emojis) {
            [].forEach.call(emojis, function(element) {
                var number = element.children[0]?.alt;
        
                switch (number) {
                case "1️⃣":
                    element.replaceChild(document.createTextNode("1"), element.children[0]);
                    break;
                case "2️⃣":
                    element.replaceChild(document.createTextNode("2"), element.children[0]);
                    break;
                case "3️⃣":
                    element.replaceChild(document.createTextNode("3"), element.children[0]);
                    break;
                case "4️⃣":
                    content.replaceChild(document.createTextNode("4"), element.children[0]);
                    break;
                case "5️⃣":
                    element.replaceChild(document.createTextNode("5"), element.children[0]);
                    break;
                case "6️⃣":
                    element.replaceChild(document.createTextNode("6"), element.children[0]);
                    break;
                case "7️⃣":
                    element.replaceChild(document.createTextNode("7"), element.children[0]);
                    break;
                case "8️⃣":
                    element.replaceChild(document.createTextNode("8"), element.children[0]);
                    break;
                case "9️⃣":
                    element.replaceChild(document.createTextNode("9"), element.children[0]);
                    break;
                case "🔟":
                    element.replaceChild(document.createTextNode("10"), element.children[0]);
                    break;
                case "0️⃣":
                    element.replaceChild(document.createTextNode("0"), element.children[0]);
                    break;
                }
        
                element.normalize();
            });
        }

        content.normalize();
    }
    
    var buffer = content.innerText;
    buffer = buffer.replace(/\(edited\)| ,| [.:]|(?:!)!+|^ +|\\n/gi, "");
    buffer = buffer.replace(/  +/g, " ");
    messages.push(buffer) 
 });
[...new Set(messages)];