From b80de72d0b6c7f93c583d629bd850b0881e3d684 Mon Sep 17 00:00:00 2001
From: Tanguy Herbron <tanguy.herbron@outlook.com>
Date: Sun, 9 May 2021 00:47:32 +0200
Subject: [PATCH] Add bot's squeleton

---
 index.js              | 26 +++++++++++++++++++
 package.json          | 23 +++++++++++++++++
 src/module.js         | 28 +++++++++++++++++++++
 src/module_manager.js | 58 +++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 135 insertions(+)
 create mode 100644 index.js
 create mode 100644 package.json
 create mode 100644 src/module.js
 create mode 100644 src/module_manager.js

diff --git a/index.js b/index.js
new file mode 100644
index 0000000..1645d19
--- /dev/null
+++ b/index.js
@@ -0,0 +1,26 @@
+if(process.env.NODE_ENV !== "production") {
+    require("dotenv").config();
+}
+
+const Discord = require("discord.js");
+const client = new Discord.Client();
+const ModuleManager = require("./src/module_manager");
+
+let moduleManager = new ModuleManager();
+
+client.on("ready", () => {
+    console.log("Logged in as " + client.user.tag);
+});
+
+client.on("message", message => {
+    let content = message.toString();
+
+    if(content.substr(0,1) === "!") {
+        let boundary = content.indexOf(' ');
+        let prefix = content.substr(0, boundary);
+
+        moduleManager.execute(prefix, message);
+    }
+});
+
+client.login(process.env.DISCORD_TOKEN);
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..ff7c44a
--- /dev/null
+++ b/package.json
@@ -0,0 +1,23 @@
+{
+  "name": "metrios",
+  "version": "0.0.1",
+  "description": "Modular discord bot mainly intended for moderation usage",
+  "main": "index.js",
+  "scripts": {
+    "dev": "nodemon index.js"
+  },
+  "keywords": [
+    "discord",
+    "moderation",
+    "bot"
+  ],
+  "author": "Tanguy Herbron",
+  "license": "MIT",
+  "devDependencies": {
+    "dotenv": "^8.2.0",
+    "nodemon": "^2.0.7"
+  },
+  "dependencies": {
+    "discord.js": "^12.5.3"
+  }
+}
diff --git a/src/module.js b/src/module.js
new file mode 100644
index 0000000..9c26cee
--- /dev/null
+++ b/src/module.js
@@ -0,0 +1,28 @@
+const execSync = require("child_process").execSync;
+
+class Module {
+    constructor(name, description, prefix, flavor, entrypoint, version) {
+        this.name = name;
+        this.description = description;
+        this.prefix = prefix;
+        this.flavor = flavor;
+        this.entrypoint = entrypoint;
+        this.version = version;
+    }
+
+    run(message) {
+        console.log("Running module");
+
+        switch(this.flavor) {
+            case "node":
+                return execSync("node " + this.entrypoint);
+                break;
+            default:
+                return {"status": "error", "message": "Runtime not supported, check configuration"};
+                break;
+        }
+    }
+
+}
+
+module.exports = Module;
diff --git a/src/module_manager.js b/src/module_manager.js
new file mode 100644
index 0000000..4b01164
--- /dev/null
+++ b/src/module_manager.js
@@ -0,0 +1,58 @@
+const fs = require("fs");
+const Module = require("./module");
+
+class ModuleManager {
+    constructor() {
+        console.log("Creating module manager");
+        this.moduleList = {};
+        this.scanModules();
+    }
+
+    scanModules() {
+        console.log("Scanning for modules");
+        fs.readdirSync(process.env.MODULES_DIR).forEach(file => {
+            let rawData = fs.readFileSync(process.env.MODULES_DIR + "/" + file + "/header.json");
+            let header = JSON.parse(rawData);
+
+            this.moduleList[header.prefix] = new Module(header.name, 
+                header.description, 
+                header.prefix, 
+                header.flavor, 
+                process.env.MODULES_DIR + "/" + file + "/" + header.entrypoint,
+                header.version);
+        });
+    }
+
+    execute(prefix, message) {
+        let rawResult = this.moduleList[prefix].run(message);
+        let result = JSON.parse(rawResult.toString());
+
+        if(result.status === "success") {
+            switch(result.action) {
+                case "reply":
+                    this.reply(message, result);
+                    break;
+                case "send":
+                    this.send(message, result);
+                default:
+                    break;
+            }
+        }
+    }
+
+    reply(origin, result) {
+        let message = undefined;
+
+        if(result.format === "standard") {
+            message = result.message;
+        }
+
+        if(result.format === "embed") {
+            message = {embed: result.profile}
+        }
+
+        origin.reply(message);
+    }
+}
+
+module.exports = ModuleManager;