From 188c714f43635fb57eac70b167dba682d6b93a2f Mon Sep 17 00:00:00 2001
From: Fuwn <contact@fuwn.me>
Date: Sun, 7 Sep 2025 02:28:34 -0700
Subject: build: Switch to TypeScript

---
 src/reddit.ts | 146 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 src/reddit.ts

(limited to 'src/reddit.ts')

diff --git a/src/reddit.ts b/src/reddit.ts
new file mode 100644
index 0000000..79475b1
--- /dev/null
+++ b/src/reddit.ts
@@ -0,0 +1,146 @@
+import type { TimePeriod } from './commands.js';
+
+export interface RedditPost {
+  id: string;
+  title: string;
+  author: string;
+  score: number;
+  num_comments: number;
+  created_utc: number;
+  permalink: string;
+  url: string;
+  selftext: string;
+  is_gallery?: boolean;
+  over_18: boolean;
+  link_flair_text?: string;
+  media?: {
+    reddit_video?: {
+      fallback_url: string;
+    };
+  };
+  secure_media?: {
+    reddit_video?: {
+      fallback_url: string;
+    };
+  };
+}
+
+export interface RedditResponse {
+  data: {
+    children: Array<{
+      data: RedditPost;
+    }>;
+  };
+}
+
+type SortType = 'hot' | 'top';
+
+async function fetchRedditPosts(
+  sort: SortType = 'hot',
+  time: TimePeriod = 'day',
+): Promise<RedditPost[]> {
+  const url = `https://www.reddit.com/r/okbuddyumamusume/${sort}.json${sort === 'top' ? `?t=${time}` : ''}`;
+  const response = await fetch(url, {
+    headers: {
+      'User-Agent': 'UmaBot/0.1.0',
+    },
+  });
+
+  if (!response.ok) {
+    let errorText = `Error fetching ${response.url}: ${response.status} ${response.statusText}`;
+
+    try {
+      const error = await response.text();
+
+      if (error) errorText = `${errorText} \n\n ${error}`;
+    } catch {
+      //
+    }
+
+    throw new Error(errorText);
+  }
+
+  const data: RedditResponse = await response.json();
+
+  return data.data.children.map((post) => post.data);
+}
+
+function filterPostsByFlair(
+  posts: RedditPost[],
+  excludedFlairs: string[] = [],
+  includedFlairs: string[] = [],
+): RedditPost[] {
+  return posts.filter((post) => {
+    if (post.is_gallery) return false;
+
+    const hasMedia =
+      post.media?.reddit_video?.fallback_url ||
+      post.secure_media?.reddit_video?.fallback_url ||
+      post.url;
+
+    if (!hasMedia) return false;
+
+    const postFlair = post.link_flair_text?.toLowerCase() || '';
+    const isNSFW = post.over_18 || postFlair.includes('nsfw');
+
+    if (
+      includedFlairs.length > 0 &&
+      includedFlairs.some((flair) => flair.toLowerCase() === 'nsfw')
+    )
+      if (includedFlairs.some((flair) => flair.toLowerCase() === 'nsfw'))
+        return isNSFW;
+
+    if (isNSFW) return false;
+
+    if (includedFlairs.length > 0)
+      return includedFlairs.some((flair) =>
+        postFlair.includes(flair.toLowerCase()),
+      );
+
+    if (excludedFlairs.length > 0)
+      return !excludedFlairs.some((flair) =>
+        postFlair.includes(flair.toLowerCase()),
+      );
+
+    return true;
+  });
+}
+
+function getRandomPost(posts: RedditPost[]): RedditPost {
+  if (posts.length === 0)
+    throw new Error('No posts found matching the criteria');
+
+  const randomIndex = Math.floor(Math.random() * posts.length);
+
+  return posts[randomIndex];
+}
+
+export async function getCutePost(): Promise<RedditPost> {
+  const posts = await fetchRedditPosts('hot');
+  const filteredPosts = filterPostsByFlair(posts, ['roleplay', 'announcement']);
+
+  return getRandomPost(filteredPosts);
+}
+
+export async function getRoleplayPost(): Promise<RedditPost> {
+  const posts = await fetchRedditPosts('hot');
+  const filteredPosts = filterPostsByFlair(posts, [], ['roleplay']);
+
+  return getRandomPost(filteredPosts);
+}
+
+export async function getNSFWPost(): Promise<RedditPost> {
+  const posts = await fetchRedditPosts('hot');
+  const filteredPosts = filterPostsByFlair(posts, [], ['nsfw']);
+
+  return getRandomPost(filteredPosts);
+}
+
+export async function getTopPost(
+  time: TimePeriod = 'day',
+): Promise<RedditPost> {
+  const posts = await fetchRedditPosts('top', time);
+  const filteredPosts = filterPostsByFlair(posts, ['roleplay', 'announcement']);
+
+  return getRandomPost(filteredPosts);
+}
-- 
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