Added play command

index.js

@@ -2,6 +2,7 @@ const Discord = require("discord.js");
 const client = new Discord.Client();
 const config = require("./config/config.json");
 const Genius = require("./genius");
+const levenshtein = require('js-levenshtein');
 
 client.on('ready', () => {
 	console.log(`Logged in as ${client.user.tag}!`);
@@ -26,8 +27,65 @@ client.on('message', message => {
 					}
 				}
 			});
-		})
+		});
+	}
+
+	else if (command === "play") {
+		Genius.search_song(args.join(" "), song => {
+			Genius.get_lyrics(song.id, (err, lyrics) => {
+				if (err) {
+					console.log("Error while fetching lyrics: " + err.message);
+					message.channel.send("Error fetching lyrics, please retry in a few seconds");
+				} 
+				else {
+					const tab_lyrics = lyrics.split("\n");
+					const new_tab_lyrics = []
+					for (let i = 0; i < tab_lyrics.length; i++) {
+						if (tab_lyrics[i] === "" || tab_lyrics[i].includes("[")) {
+							tab_lyrics.splice(i, 1);
+							i--;
+						}
+					}
+					const random = Math.floor(Math.random() * tab_lyrics.length) + 4;
+					const lyricToFind = tab_lyrics[random];
+					while (lyricToFind.indexOf("(") != -1) {
+						const start = lyricToFind.indexOf("(");
+						const end = lyricToFind.indexOf(")");
+						const endLyric = lyricToFind.slice(end + 1);
+						lyricToFind = lyricToFind.slice(0, start - 1) + endLyric;
+					}
+					let newMessage = "```\n";
+					for (let i = 4; i > 0; i--) {
+						newMessage += tab_lyrics[random - i] + "\n";
+					}
+					lyricToFind.split(" ").forEach(word => {
+						if (word.includes(",")) newMessage += "_, ";
+						else newMessage += "_ ";
+					});
+					newMessage += "```";
+					message.channel.send(newMessage).then(() => {
+						var filter = m => m.content.includes("");
+						message.channel.awaitMessages(filter, { max: 0, time: 15000 + lyricToFind.split(" ").length * 1000, errors: [] })
+						.then(messages => {
+							message.channel.send("La bonne phrase était: `" + lyricToFind + "`");
+							messages.forEach(message => {
+								const max = Math.max(lyricToFind.length, message.content.length);
+								const acc = 1 - (levenshtein(lyricToFind.toLowerCase(), message.content.toLowerCase()) / max);
+								if (acc >= 0.80) {
+									message.reply("**Gagné!** (" + Math.round(acc * 100) + "%)");
+								}
+								else message.reply("Perdu! (" + Math.round(acc * 100) + "%)");
+							});
+						})
+						.catch(collected => {
+							console.log(collected);
+							message.channel.send('Timeout');
+						});
+					});
+				}
+			});
+		});
 	}
 });
 
-client.login(config["discord-token"]);
+client.login(config["discord-token"]);