commit 3f7a3134e4e4978549f0bc89f5188a4bdfe2df4d
Author: danbulant <danbulant@gmail.com>
Date:   Tue Sep 1 13:04:00 2020 +0200

    Initial commit

diff --git a/.gitignore b/.gitignore
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index 0000000..25c8fdb
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+node_modules
+package-lock.json
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diff --git a/config.json b/config.json
new file mode 100644
index 0000000..eacabc4
--- /dev/null
+++ b/config.json
@@ -0,0 +1,3 @@
+{
+    "token": "NzQ5MTc3MzEzNjE4NTU4OTk3.X0oLvg.ux4hH4E43YCj0xy3xAAJ6QkEQmQ"
+}
\ No newline at end of file
diff --git a/index.js b/index.js
new file mode 100644
index 0000000..02bcdf9
--- /dev/null
+++ b/index.js
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+const config = require("./config.json");
+const discord = require("discord.js");
+const { app, answers, messages, challenge, points } = require("./src");
+
+const client = new discord.Client({
+    presence: {
+        status: "online",
+        activity: {
+            name: "CNMC",
+            type: "PLAYING"
+        }
+    }
+});
+
+client.on("ready", () => {
+    console.log("Ready");
+});
+
+client.on("message", async msg => {
+    try {
+        await app.message(msg);
+    } catch(e) {
+        console.error("APP", e);
+    }
+});
+
+function check(member, bonus = 0) {
+    var pointNum = bonus + (answers.get(member.user.id) ? (0.5 + ((challenge.get("num") || 1) * 0.5)) : 0);
+    if(points.get(member.user.id) === pointNum) return;
+    if(points.get(member.user.id) && points.get(member.user.id) > 1) return;
+    var diff = pointNum - (points.get(member.user.id) || 0);
+    points.set(pointNum);
+    member.setNickname(member.displayName.replace(/\[([0-9.]+)\]/, (match, num) => {
+        return `[${parseFloat(num) + diff}]`;
+    }));
+}
+
+client.on("messageDelete", msg => {
+    if(messages.get(msg.id)) {
+        messages.delete(msg.id);
+        messages.delete(msg.id);
+        var an = answers.get(msg.author.id) || 0;
+        if(an) answers.set(msg.author.id, an - 1);
+        check(msg.member);
+    }
+});
+
+client.on("messageReactionAdd", async (react, user) => {
+    if(react.message.channel.id !== "745989024099074068") return;
+    if(user.id !== "694395936809418816") {
+        if(user.id !== client.user.id) {
+            await react.users.remove(user);
+        }
+        return;
+    }
+    if(user.id === client.user.id) return;
+    if(react.emoji.name !== "❌" && react.emoji.name !== "✅") return;
+    if(react.emoji.name === "✅") {
+        var r = await react.message.reactions.resolve("❌");
+        await r.remove();
+
+        var points = 0;
+
+        if(challenge.get("hint")) {
+            var msg = await react.message.channel.messages.fetch(challenge.get("hint"));
+            if(msg.createdTimestamp < react.message.createdTimestamp) {
+                points -= 0.5;
+            }
+        }
+
+        if(!challenge.get("answered")) {
+            challenge.set("answered", 0);
+        }
+        switch(challenge.get("answered")) {
+            case 0:
+                points += 2;
+                break;
+            case 1:
+                points += 1.5;
+                break;
+            case 2:
+                points += 1;
+                break;
+            default:
+                points += 0.5;
+        }
+        challenge.set("answered", challenge.get("answered") + 1);
+
+        if(points > 0) {
+            check(react.message.member, points);
+        }
+
+        react.message.channel.messages.cache.filter(val => val.author.id === react.message.author.id)
+            .filter(val => val.id !== react.message.id)
+            .forEach(msg => msg.reactions.removeAll());
+    } else {
+        var r = await react.message.reactions.resolve("✅");
+        await r.remove();
+    }
+})
+
+client.on("messageUpdate", (msg, msg2) => {
+    if(msg.channel.id === "745989024099074068") {
+        if(messages.get(msg.id)) {
+            messages.delete(msg.id);
+            var an = answers.get(msg.author.id) || 0;
+            if(an) answers.set(msg.author.id, an - 1);
+            check(msg.member);
+        }
+        msg.author.send("You've edited the messages so it got deleted.");
+        msg.delete();
+    }
+});
+
+client.login(config.token);
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diff --git a/lib/middleware.js b/lib/middleware.js
new file mode 100644
index 0000000..8360c6b
--- /dev/null
+++ b/lib/middleware.js
@@ -0,0 +1,119 @@
+
+
+module.exports = class Router {
+    /**
+     * @type {{
+        path: string,
+        callback: function(Message): boolean | string,
+        break: boolean,
+        opts: {
+            guildOnly: boolean,
+            permissions: string[],
+            clientPermissions: string[],
+            ownerOnly: boolean
+        }
+    }[]} middlewares
+     */
+    middlewares = [];
+
+    /**
+     * Registers a command
+     * @param {string} path command format
+     * @param {function(Message): boolean | string} callback to call on match
+     * @param {{
+        guildOnly: boolean,
+        permissions: string[],
+        clientPermissions: string[]
+     }} opts options to use
+     */
+    command(path, callback, opts = {}) {
+        this.middlewares.push({
+            path,
+            callback,
+            opts,
+            break: true
+        });
+
+        return this;
+    }
+
+    use(path, router, opts = {}) {
+        if(typeof path !== "string") {
+            [router, opts] = [path, router];
+            path = "";
+        }
+        if(typeof router === "function") {
+            this.middlewares.push({
+                path,
+                callback: router,
+                opts,
+                break: false
+            });
+            return this;
+        }
+        for(var middleware of router.middlewares) {
+            this.middlewares.push({
+                ...middleware,
+                path: (path + " " + middleware.path).trim(),
+                opts: Object.assign(middleware.opts, opts)
+            });
+        }
+        return this;
+    }
+
+    processPath(path, content) {
+        if(!path) return {};
+        var segments = path.split(" ");
+        var contentSegments = content.split(" ");
+        if(!contentSegments) return null;
+        if(segments.length > contentSegments.length) return null;
+        var args = {};
+        for(var segmentID in segments) {
+            var segment = segments[segmentID];
+            if(segment.startsWith(":")) {
+                args[segment.substr(1)] = contentSegments[segmentID];
+            } else if(segment !== contentSegments[segmentID]) return null;
+        }
+        var keys = segments.filter(segment => segment.startsWith(":")).map(segment => segment.substr(1));
+        if(contentSegments.length > segments.length && keys.length) {
+            args[keys[keys.length - 1]] += contentSegments.splice(segments.length).join(" ");
+        }
+        return args;
+    }
+
+    /**
+     * 
+     * @param {Message} msg 
+     * @param {{
+        guildOnly: boolean,
+        permissions: string[],
+        clientPermissions: string[]
+     }} opts options to use
+     */
+    async checkOpts(msg, opts) {
+        if(!opts) return true;
+        if(!msg.guild && opts.guildOnly) return false;
+        if(opts.permissions && msg.member)
+            for(var permission of opts.permissions)
+                if(!msg.member.hasPermission(permission)) return false;
+        if(opts.clientPermissions && msg.guild.me)
+            for(var permission of opts.clientPermissions)
+                if(!msg.guild.me.hasPermission(permission)) return false;
+        return true;
+    }
+
+    async message(msg) {
+        var middlewares = this.middlewares;
+
+        for(var middleware of middlewares) {
+            var args = this.processPath(middleware.path, msg.content);
+            if(args === null) continue;
+            if(!this.checkOpts(msg, middleware.opts)) continue;
+            var result = await middleware.callback(msg, args);
+            if(typeof result === "string") {
+                await msg.channel.send(result);
+            }
+            if(result === false || middleware.break) break;
+        }
+    }
+}
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diff --git a/package.json b/package.json
new file mode 100644
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--- /dev/null
+++ b/package.json
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+{
+  "name": "cnmc",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "discord.js": "^12.3.1"
+  }
+}
diff --git a/src/index.js b/src/index.js
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index 0000000..0033840
--- /dev/null
+++ b/src/index.js
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+const App = require("../lib/middleware");
+const app = new App();
+
+const answers = new Map();
+const messages = new Map();
+const challenge = new Map();
+const points = new Map();
+
+app
+    .use(msg => !msg.author.bot) // ignore bots
+    .use(async msg => {
+        if(msg.author.id === "694395936809418816" && msg.content === "!reset") {
+            answers.clear();
+            messages.clear();
+            challenge.clear();
+            msg.reply("done.");
+            return false;
+        } else if(msg.author.id === "694395936809418816" && msg.content.startsWith("!start")) {
+            var num = msg.content.split(" ")[1][0];
+            if(isNaN(parseInt(num))) {
+                msg.reply("Invalid type, must start with a number");
+                return false;
+            }
+            challenge.set("num", num);
+            msg.reply("challenge type set.");
+            return false;
+        }
+    })
+    .use(msg => msg.channel.id === "745989024099074068")
+    .use(msg => {
+        if(challenge.get("hint")) return;
+        if(msg.author.id === "694395936809418816") {
+            challenge.set("hint", msg.id);
+            return false;
+        }
+    })
+    .use(msg => {
+        if(!/^\[[0-9.]+\]/.test(msg.member.displayName)) {
+            msg.author.send("You must register first");
+            msg.delete();
+            return false;
+        }
+    })
+    .use(async msg => {
+        var answerCount = answers.get(msg.author.id) || 0;
+        answerCount++;
+        answers.set(msg.author.id, answerCount);
+        if(answerCount > 3) return await msg.delete();
+        if(answerCount === 3) {
+            await msg.author.send("You've used all your 3 answers, you won't be able to add any more.");
+        }
+        console.log("New answer:", msg.content, "by", msg.member.displayName);
+        messages.set(msg.id, 1);
+        msg.react("✅");
+        msg.react("❌");
+    })
+
+module.exports = { app, answers, messages, challenge, points };
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