"use strict";

const pEvent = require("p-event");
const debug = require("debug")("promistream:from-node-stream:writable");

const objectID = require("../object-id");
const attachHandlers = require("./attach-handlers");
const writeToStream = require("./write-to-stream");
const isStdioStream = require("../is-stdio-stream");
const destroyStream = require("../destroy-stream");
const assertErrorType = require("../assert-error-type");

module.exports = function wireUpWritableInterface(stream, { onEnd, onError } = {}) {
	attachHandlers({
		stream: stream,
		onClose: () => {
			if (onEnd != null) {
				onEnd();
			}
		},
		onError: (error) => {
			assertErrorType(error);

			if (onError != null) {
				onError(error);
			}
		}
	});

	return {
		write: function (value) {
			return writeToStream(stream, value);
		},
		end: function () {
			// stdout/stderr cannot be ended like other streams
			if (!isStdioStream(stream)) {
				debug(`[#${objectID(stream)}] Ending stream`);

				let finishPromise = pEvent(stream, "finish");
				stream.end();
				return finishPromise;
			} else {
				debug(`[#${objectID(stream)}] Not ending stream because it is stdio`);
			}
		},
		destroy: function () {
			return destroyStream(stream);
		}
	};
};