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src/lib/discordbot.ts

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+import { Client, Partials, GatewayIntentBits, ActivityType } from "discord.js";
+
+import { DISCORD_TOKEN, DISCORD_USER_ID, DISCORD_GUILD_ID } from "$env/static/private";
+
+class Bot {
+    private client: Client;
+
+    // Normalize a discord.js Activity object into a simple POJO
+    private mapActivity(a: any) {
+        const type = typeof a.type === 'number' ? a.type : (ActivityType[a.type] ?? a.type);
+        const application_id = a.applicationId ?? a.application_id ?? null;
+
+        const rawLarge = a.assets?.largeImage ?? a.assets?.large_image ?? null;
+        const rawSmall = a.assets?.smallImage ?? a.assets?.small_image ?? null;
+
+        const formatAsset = (raw: string | null) => {
+            if (!raw) return null;
+            if (raw.startsWith('mp:external/')) {
+                return `https://media.discordapp.net/${raw.replace(/^mp:/, '')}`;
+            }
+            if (/^https?:\/\//.test(raw)) return raw;
+            if (application_id) return `https://cdn.discordapp.com/app-assets/${application_id}/${raw}.webp`;
+            return raw;
+        };
+
+        return {
+            name: a.name ?? null,
+            type,
+            details: a.details ?? a.state ?? null,
+            url: a.url ?? null,
+            application_id,
+            assets: {
+                large_image: formatAsset(rawLarge),
+                small_image: formatAsset(rawSmall)
+            },
+            emoji: a.emoji ? { id: a.emoji.id ?? null, animated: !!a.emoji.animated } : null
+        };
+    }
+
+    constructor() {
+        // Need presence and members intents to read user presence/activity
+        this.client = new Client({
+            partials: [Partials.User],
+            intents: [
+                GatewayIntentBits.Guilds,
+                GatewayIntentBits.GuildMembers,
+                GatewayIntentBits.GuildPresences
+            ]
+        });
+
+        this.client.login(DISCORD_TOKEN).catch((error) => {
+            console.error("Failed to login to Discord:", error);
+        });
+
+        this.client.once("clientReady", async () => {
+            console.log(`Logged in as ${this.client.user?.tag}`);
+        });
+    }
+
+    getClient(): Client {
+        return this.client;
+    }
+
+    /**
+     * Look up the user's presence specifically in the given guild.
+     * Returns null if guild/member/presence not available.
+     */
+    async getUserActivityInGuild(guildId: string = DISCORD_GUILD_ID, userId: string = DISCORD_USER_ID) {
+        try {
+            // Fetch guild from cache or API
+            let guild = this.client.guilds.cache.get(guildId) || await this.client.guilds.fetch(guildId).catch(() => null);
+            if (!guild) return null;
+
+            // Fetch member (will populate presence if available)
+            const member = await guild.members.fetch(userId).catch(() => null);
+            if (!member) return null;
+
+            const presence = member.presence;
+            const user = member.user;
+
+            // Build avatar URL
+            const avatarHash = user.avatar;
+            const avatarUrl = avatarHash
+                ? `https://cdn.discordapp.com/avatars/${user.id}/${avatarHash}.${avatarHash.startsWith('a_') ? 'gif' : 'webp'}?size=128`
+                : `https://cdn.discordapp.com/embed/avatars/${(BigInt(user.id) >> BigInt(22)) % BigInt(6)}.png`;
+
+            // Get guild/clan tag if available
+            const guildTag = (user as any).primaryGuild?.tag ?? null;
+            const guildTagBadgeImage = `https://cdn.discordapp.com/clan-badges/${(user as any).primaryGuild?.identityGuildId}/${(user as any).primaryGuild?.badge}.png?size=32`;
+
+            if (!presence) return { guildId, status: 'offline', activities: [], displayName: member.displayName, avatarUrl, guildTag, guildTagBadgeImage };
+
+            const status = presence.status;
+            const activities = (presence.activities || []).map((a: any) => this.mapActivity(a));
+
+            return { guildId, status, activities, displayName: member.displayName, avatarUrl, guildTag, guildTagBadgeImage };
+        } catch (err) {
+            return null;
+        }
+    }
+}
+
+export const bot = new Bot();
+
+// Re-export image helper for convenience
+export { fetchUserImages } from "./discord/fetchUserImages";