"use strict";

const bytesCoder = require("./bytes");

module.exports = {
	encode: function (value, asIndexKey) {
		if (asIndexKey) {
			throw new Error(`Not implemented yet`);
		} else {
			let binaryValue = Buffer.from(value, "utf8");

			return bytesCoder.encode(binaryValue);
		}
	},
	decode: function (buffer, offset) {
		let result = bytesCoder.decode(buffer, offset);

		if (result.auxiliaryBlob === undefined) {
			// Internal blob
			return {
				bytesRead: result.bytesRead,
				value: result.value.toString("utf8"),
				auxiliaryBlob: undefined
			};
		} else {
			// External blob
			return {
				bytesRead: result.bytesRead,
				value: undefined,
				auxiliaryBlob: {
					key: result.auxiliaryBlob.key,
					transform: (blob) => result.auxiliaryBlob.transform(blob).toString("utf8")
				}
			};
		}
	}
};