"use strict";

const { validateOptions, required, isString, isBoolean, isNumber, isFunction, oneOf, allowExtraProperties, arrayOf, either } = require("validatem");

const validateExpressApp = require("./validate-express-app");
const isWritableStream = require("./is-writable-stream");
const isAbsolutePath = require("./is-absolute-path");

module.exports = function validateBudoExpressOptions(_options) {
	validateOptions(arguments, {
		expressApp: [ required, validateExpressApp ],
		port: [ required, isNumber ],
		livereloadPattern: [ required, isString ],
		browserify: [ required, allowExtraProperties({}) ],
		basePath: [ required, isAbsolutePath ],
		entryFiles: [ required, either(
			isString,
			arrayOf(isString)
		)],
		staticPath: [ required, isString ],
		bundlePath: [ required, isString ],

		staticPrefix: isString,
		host: isString,
		allowUnsafeHost: isBoolean,
		developmentMode: oneOf([ true, false, "auto" ]),
		middleware: arrayOf(isFunction),
		stream: isWritableStream,
		livereloadPort: isNumber,
		sourceMaps: isBoolean
	});
};