#!/usr/bin/env -S deno run -A --unstable-kv

import { EntryFor, Schema, Store } from "../mod.ts";

async function main() {
	// define nodes and open store.
	const nodes = new Schema({
		user: {
			"name": "string",
			"posts": ["many", "post"],
		},
		post: {
			"content": "string",
			"upvotes": "number",
			"author": ["one", "user"],
		},
	});
	const store = await Store.open(nodes, "/tmp/feur.kv");
	type User = EntryFor<typeof store, "user">;

	{
		// insert data.
		const bob = await store.insert("user", {
			name: "bob",
			posts: store.empty_collection("post"),
		});

		const post_a = await store.insert("post", {
			content: "Lorem",
			upvotes: 5,
			author: bob,
		});
		await (await bob.get("posts")).add(post_a);

		const post_b = await store.insert("post", {
			content: "Ipsum",
			upvotes: 3,
			author: bob,
		});
		await (await bob.get("posts")).add(post_b);
	}

	{
		// prints
		let bob = null as User | null;
		for await (const user of store.all("user")) if (await user.get("name") === "bob") bob = user;
		if (bob === null) throw new Error("Bob not found");

		console.log({ name: await bob.get("name") });

		const posts = await bob.get("posts");
		for await (const post of posts) {
			console.log({
				author: await (await post.get("author")).get("name"),
				content: await post.get("content"),
				upvotes: await post.get("upvotes"),
			});
		}
	}
}

if (import.meta.main) await main();