import { InteractionReplyOptions } from "discord.js";

/**
 * throw this inside a middleware to intentionally halt execution without triggering
 * the error handler propagation chain.
 *
 * @example
 * ```ts
 * kitten.builder().use(async (interaction) => {
 * 	if (!isAuthorized) {
 * 		throw new HaltExecution({ content: "unauthorized.", flags: ["Ephemeral"] });
 * 	}
 * });
 * ```
 */
export class HaltExecution extends Error {
	constructor(public replyPayload?: string | InteractionReplyOptions) {
		super("execution halted by middleware.");
		this.name = "HaltExecution";
	}
}

/**
 * thrown when a generated custom ID exceeds discord's 100 character limit.
 *
 * @remarks
 * this usually happens when you store too much dynamic data in a component's options,
 * or if your component name is exceptionally long.
 *
 * kitten will warn you if you're close to the limit (subscribe to the `warn` event), but
 * this error will be thrown if you exceed it.
 */
export class CustomIdTooLong extends Error {
	constructor(componentName: string, length: number) {
		super(
			`custom ID for component "${componentName}" is too long (${length} characters). discord limits custom IDs to 100 characters.`,
		);
	}
}