import angular from 'angular'
import _ from 'lodash'
import localizationStrings from '../localization/index.strings.json'


export interface TranslateFactory {
	instant: (KEY: string, options?: Record<string, string>) => string
}


angular.module('app').factory('translateFactory', [
	'$injector',
	'$log',
	function translateFactory(
		$injector: ng.auto.IInjectorService,
		$log: ng.ILogService,
	) {

	let $translate: ng.translate.ITranslateService

	try {
		$translate = $injector.get<ng.translate.ITranslateService>('$translate', 'translateFactory')
	} catch (error) {
		$log.info('angular-translate is not available')
	}

	const defaultText = {
		JSUI: localizationStrings
	}

	function instant(KEY, options?: { [key: string]: string }) {

		if ($translate) {
			return $translate.instant(KEY, options)
		}

		let text: string = _.get(defaultText, KEY)

		_.forIn(options, (value, key) => {
			text = text.replace(`{{ ${key} }}`, value)
		})

		return text
	}

	return {
		instant
	}
}])