import * as crypto from "crypto";


export function multiReplace(
	params: {
		input: string;
		keyValues: Record<string, string>;
	}
) {

	const { input, keyValues } = params;

	let output = input;

	const keyByHash = new Map<string, string>();

	Object.keys(keyValues).forEach(key => {
		const hash = crypto
			.createHash("sha256")
			.update(key)
			.digest("hex");

		const newOutput = output.replace(new RegExp(key, "g"), hash);

		if (newOutput === output) {
			return;
		}

		keyByHash.set(hash, key);

		output = newOutput;

	});

	Array.from(keyByHash.entries()).forEach(([hash, key])=> 
		output = output.replace(new RegExp(hash, "g"), keyValues[key])
	);

	return output;

}