import type { ServerContext } from "bworld/server";

// called once when the server starts
export function setup(ctx: ServerContext) {
	// used by blocks/example_block.json, which passes { message } as params
	ctx.components.register_block<{ message: string }>("example_mod:announce", {
		// block data is saved with the world. on_tick and on_second only run for blocks that have some
		on_create(block) {
			block.data = { age: 0 };
		},
		// on_tick runs 20 times a second, on_second once, while a player is nearby
		on_second(block) {
			block.data.age += 1;
		},
		on_interact(block, params, player) {
			player.send_message(`${params.message} It's been here for ${block.data?.age ?? 0} seconds.`);
			// handled, so right clicking it doesn't place a block
			return true;
		},
	});

	// /example_mod:hello, or /hello when no other mod uses that name
	ctx.commands.register("hello", {
		description: "Say hello",
		usage: "/hello",
		run(_args, player) {
			player.send_message(`Hello ${player.name}!`);
		},
	});

	ctx.events.after.player_join.subscribe(({ player }) => {
		ctx.log(`${player.name} joined`);
	});
}