Add 'bet' command to the 'eco' module

src/commands/fun/eco.ts

@@ -3,6 +3,7 @@ import {isAuthorized, getMoneyEmbed} from "./subcommands/eco-utils";
 import {DailyCommand, PayCommand, GuildCommand, LeaderboardCommand} from "./subcommands/eco-core";
 import {BuyCommand, ShopCommand} from "./subcommands/eco-shop";
 import {MondayCommand} from "./subcommands/eco-extras";
+import {BetCommand} from "./subcommands/eco-bet";
 
 export default new Command({
     description: "Economy command for Monika.",
@@ -16,7 +17,8 @@ export default new Command({
         leaderboard: LeaderboardCommand,
         buy: BuyCommand,
         shop: ShopCommand,
-        monday: MondayCommand
+        monday: MondayCommand,
+        bet: BetCommand
     },
     user: new Command({
         description: "See how much money someone else has by using their user ID or pinging them.",

src/commands/fun/subcommands/eco-bet.ts

@@ -0,0 +1,137 @@
+import Command from "../../../core/command";
+import $ from "../../../core/lib";
+import {Storage} from "../../../core/structures";
+import {isAuthorized, getMoneyEmbed, getSendEmbed, ECO_EMBED_COLOR} from "./eco-utils";
+
+export const BetCommand = new Command({
+    description: "Bet your Mons with other people [TBD]",
+    usage: "<user> <amount> <duration>",
+    run: "Who are you betting with?",
+    user: new Command({
+        run: "How much are you betting?",
+        number: new Command({
+            run: "How long until the bet ends?",
+            any: new Command({
+                async run({ client, args, author, channel, guild}): Promise<any> {
+                    if (isAuthorized(guild, channel)) {
+                        const sender = Storage.getUser(author.id);
+                        const target = args[0];
+                        const receiver = Storage.getUser(target);
+                        const amount = Math.floor(args[1]);
+                        const duration = parseDuration(args[2].trim());
+
+                        if (amount <= 0) return channel.send("You must bet at least one Mon!");
+                        else if (sender.money < amount)
+                            return channel.send("You don't have enough Mons for that.", getMoneyEmbed(author));
+                        else if (target.id == author.id) return channel.send("You can't bet Mons with yourself!");
+                        else if (target.bot && process.argv[2] !== "dev")
+                            return channel.send("You can't bet Mons with a bot!");
+
+                        if (duration <= 0)
+                            return channel.send("Invalid duration");
+                        // else if (duration <= {threshold})
+                        //     return channel.send("Too short idk");
+                        // else if (duration >= {threshold})
+                        //     return channel.send("Too long idk");
+
+                        // SEND MESSAGE WITH 2 REACTIONS (OK / NO)
+                        const msg = await channel.send(`<@${target.id}>, do you want to take this bet of ${$(amount).pluralise("Mon", "s")}`);
+                        await msg.react("✅");
+                        await msg.react("⛔");
+
+                        // SET UP ACCEPT TIMEOUT
+                        // ON REACTION CHANGE, CHECK IF NEW REACTION IS FROM TARGET
+                        await msg.awaitReactions(
+                            async (reaction, user) => {
+                        //   IF OK
+                                if (user.id === target.id && reaction.emoji.name === "✅") {
+                        //     REMOVE AMOUNT FROM AUTHOR
+                                    sender.money -= amount;
+                        //     REMOVE AMOUNT FROM TARGET
+                                    receiver.money -= amount;
+                        //     SET BET POOL AS AMOUNT*2
+                        //     => BET POOL ALWAYS EVEN
+                                    const pool = amount * 2;
+
+                        //     SET UP BET TIMEOUT FROM DURATION
+                                    client.setTimeout(async () => {
+                        //     ON BET TIMEOUT
+                        //       GIVE VOTE WITH 2 REACTIONS (OK / NO)
+                                        const voteMsg = await channel.send(`VOTE: do you think that <@${target.id} has won the bet?`);
+                                        await voteMsg.react("✅");
+                                        await voteMsg.react("⛔");
+
+                        //       SET UP VOTE TIMEOUT
+                                        voteMsg.awaitReactions(
+                                            (reaction, user) => {
+                                                return ["✅", "⛔"].includes(reaction.emoji.name);
+                                            },
+                                            // waiting for a day for now, might need to make configurable
+                                            { time: 8640000 }
+                                        ).then(reactions => {
+                        //       ON VOTE TIMEOUT
+                        //         COUNT OK VOTES
+                                            const ok = 0;
+                        //         COUNT NO VOTES
+                                            const no = 0;
+                        //         IF OK > NO
+                        //           GIVE TARGET THE BET POOL
+                                            if (ok > no) receiver.money += pool;
+                        //         ELSE IF OK < NO
+                        //           GIVE AUTHOR BET POOL
+                                            else if (ok < no) sender.money += pool;
+                        //         ELSE
+                        //           GIVE TARGET BET POOL / 2
+                        //           GIVE AUTHOR BET POOL / 2
+                        //           => BET EFFECT CANCELLED
+                                            else {
+                                                sender.money += amount;
+                                                receiver.money += amount;
+                                            }
+                                        });
+                                    }, duration);
+                                }
+                        //   IF NO
+                        //     DROP
+                                return false;
+                            },
+                            // waiting for a minute
+                            { time: 60000 }
+                        );
+                        // ON ACCEPT TIMEOUT
+                        //   DROP
+                    }
+                }
+            })
+        })
+    })
+});
+
+
+/**
+ * Parses a duration string into milliseconds
+ * Examples:
+ * - 3d -> 3 days -> 259200000ms
+ * - 3s -> 3 seconds -> 3000ms
+ * - 2h -> 2 hours -> 7200000ms
+ */
+function parseDuration(duration: string): number {
+    // extract last char as unit
+    const unit = duration[duration.length - 1].toLowerCase();
+    // get the rest as value
+    let value: number = +duration.substring(0, duration.length - 1);
+
+    if (!["d","h","m","s"].includes(unit) || isNaN(value))
+        return 0;
+
+    if (unit === "d")
+        value *= 86400000; // 1000ms * 60s * 60m * 24h
+    else if (unit === "h")
+        value *= 3600000; // 1000ms * 60s * 60m
+    else if (unit === "m")
+        value *= 60000; // 1000ms * 60s
+    else if (unit === "s")
+        value *= 1000; // 1000ms
+
+    return value;
+}