import type { RESTError } from "discord-api-types/v10";

import { RESTClient } from "@purrkit/rest";
import config from "@stealth-developers/config";

export interface OAuth2ErrorResponse {
	error:
		| "invalid_grant"
		| "invalid_request"
		| "invalid_client"
		| "unsupported_grant_type"
		| "invalid_scope";
	error_description?: string;
}

export const client = RESTClient({
	token: config.discord.token,
});

export async function makeRequest<T>(
	url: string,
	token: string,
	options?: RequestInit,
): Promise<T | RESTError> {
	const response = await fetch(url, {
		...options,
		headers: {
			...options?.headers,
			Authorization: `Bearer ${token}`,
		},
	});

	if (!response.ok) return (await response.json()) as RESTError;
	return (await response.json()) as T;
}

export const createClient = (token: string) => {
	const tokenType = token.startsWith("Bot") ? "Bot" : "Bearer";
	const endToken = token.replace(/^(Bot|Bearer)\s+/, "");

	return RESTClient({
		token: endToken,
		tokenType,
	});
};