// [z-paging]i18n模块
import { initVueI18n } from '@dcloudio/uni-i18n'
import messages from '../../i18n/index.js'
const { t } = initVueI18n(messages)

import u from '.././z-paging-utils'
import c from '.././z-paging-constant'
import interceptor from '../z-paging-interceptor'

export default {
	data() {
		return {
			language: uni.getSystemInfoSync().language
		}
	},
	computed: {
		finalLanguage() {
			const local = uni.getLocale();
			const language = this.language;
			return local === 'auto' ? interceptor._handleLanguage2Local(language, this._language2Local(language)) : local;
		},
		finalRefresherDefaultText() {
			return this._getI18nText('zp.refresher.default', this.refresherDefaultText);
		},
		finalRefresherPullingText() {
			return this._getI18nText('zp.refresher.pulling', this.refresherPullingText);
		},
		finalRefresherRefreshingText() {
			return this._getI18nText('zp.refresher.refreshing', this.refresherRefreshingText);
		},
		finalRefresherCompleteText() {
			return this._getI18nText('zp.refresher.complete', this.refresherCompleteText);
		},
		finalRefresherUpdateTimeTextMap() {
			return {
				title: t('zp.refresherUpdateTime.title'),
				none: t('zp.refresherUpdateTime.none'),
				today: t('zp.refresherUpdateTime.today'),
				yesterday: t('zp.refresherUpdateTime.yesterday')
			};
		},
		finalLoadingMoreDefaultText() {
			return this._getI18nText('zp.loadingMore.default', this.loadingMoreDefaultText);
		},
		finalLoadingMoreLoadingText() {
			return this._getI18nText('zp.loadingMore.loading', this.loadingMoreLoadingText);
		},
		finalLoadingMoreNoMoreText() {
			return this._getI18nText('zp.loadingMore.noMore', this.loadingMoreNoMoreText);
		},
		finalLoadingMoreFailText() {
			return this._getI18nText('zp.loadingMore.fail', this.loadingMoreFailText);
		},
		finalEmptyViewText() {
			return this.isLoadFailed ? this.finalEmptyViewErrorText : this._getI18nText('zp.emptyView.title', this.emptyViewText);
		},
		finalEmptyViewReloadText() {
			return this._getI18nText('zp.emptyView.reload', this.emptyViewReloadText);
		},
		finalEmptyViewErrorText() {
			return this._getI18nText('zp.emptyView.error', this.emptyViewErrorText);
		},
		finalSystemLoadingText() {
			return this._getI18nText('zp.systemLoading.title', this.systemLoadingText);
		},
	},
	methods: {
		//获取当前z-paging的语言
		getLanguage() {
			return this.finalLanguage;
		},
		//获取国际化转换后的文本
		_getI18nText(key, value) {
			const dataType = Object.prototype.toString.call(value);
			if (dataType === '[object Object]') {
				const nextValue = value[this.finalLanguage];
				if (nextValue) return nextValue;
			} else if (dataType === '[object String]') {
				return value;
			}
			return t(key);
		},
		//系统language转i18n local
		_language2Local(language) {
			const formatedLanguage = language.toLowerCase().replace(new RegExp('_', ''), '-');
			if (formatedLanguage.indexOf('zh') !== -1) {
				if (formatedLanguage === 'zh' || formatedLanguage === 'zh-cn' || formatedLanguage.indexOf('zh-hans') !== -1) {
					return 'zh-Hans';
				}
				return 'zh-Hant';
			}
			if (formatedLanguage.indexOf('en') !== -1) return 'en';
			return language;
		}
	}
}