import type { Credentials } from "./credentials.js";

export const buildApiParams = (
	credentials: Credentials,
	params: Record<string, unknown> = {},
) => {
	const authMode =
		credentials.authMode ||
		(credentials.apiKey
			? "apikey"
			: credentials.password
				? "password"
				: "token");
	const search = new URLSearchParams({ v: "1.16.1", c: "tinysub", f: "json" });

	if (authMode === "apikey") {
		search.set("apiKey", credentials.apiKey || "");
	} else {
		search.set("u", credentials.username || "");
		if (authMode === "password") search.set("p", credentials.password || "");
		else {
			search.set("t", credentials.token || "");
			search.set("s", credentials.salt || "");
		}
	}

	for (const [key, value] of Object.entries(params)) {
		if (Array.isArray(value)) {
			for (const item of value) search.append(key, String(item));
		} else if (value !== undefined) {
			search.append(key, String(value));
		}
	}
	return search;
};