import { AppBskyFeedDefs } from "@atcute/bluesky";
import { AtURI, DID } from "./atproto.ts";
import * as Constellation from "./constellation.ts";
import { getUriRecord } from "./slingshot.ts";
import { DocProxy } from "./caching.ts";

export type FeedResponse = {
	feed: AppBskyFeedDefs.FeedViewPost[];
	cursor: string;
};

// https://bsky.app/profile/essem.space/feed/non-bsky-pds
const partMap: Map<string, string> = new Map([
	["feed",  "app.bsky.feed.generator"],
	["post",  "app.bsky.feed.post"],
	["lists", "app.bsky.graph.list"],
]);
/** Converts social-app links to {@link AtURI}s */
export async function SocialAppToURI(link: string, resolve: boolean = false): Promise<AtURI> {
	const url = new URL(link);
	const parts = url.pathname.split("/").splice(1);
	console.log(parts);
	let id = parts[1];
	if (resolve) {
		id = (await DocProxy.get(id)).handle;
	}
	if (parts[0] == "profile" && parts.length >= 2) {
		if (parts.length == 2) return new AtURI(id);
		if (parts.length == 4) return new AtURI(id, partMap.get(parts[2])!, parts[3]);
	}
	if (parts[0] == "starter-pack" && parts.length == 3) return new AtURI(id, "app.bsky.graph.starterpack", parts[2]);
	throw new Error("URL provided is not under /profile nor /starter-pack");
}

export type List = {
	name: string;
	purpose: string;
	createdAt: Date;
};
export type ListItem = {
	list: AtURI;
	subject: DID;
	createdAt: Date;
};
export async function GetListItems(list: AtURI) {
	return (await Promise.all((await Constellation.getLinks(list.toString()!, "app.bsky.graph.listitem", ".list"))
		.map(async x=>await getUriRecord<ListItem>(x))));
}