import { getUrlParam } from '@/utils/utils'

const IS_DEVELOPMENT_ENV = process.env.NODE_ENV === 'development'
const IS_PRODUCTION_ENV = process.env.NODE_ENV === 'production'

/**
 * 页面跳转
 * @param {string} pathname 路径跳转
 * @param {object} queryObj 路径跳转携带参数
 */
export function goToPage (pathname, queryObj = {}) {
  let pathSting = ''
  if (IS_DEVELOPMENT_ENV) {
    pathSting = `/${pathname}`
  } else if (IS_PRODUCTION_ENV) {
    const path = location.pathname
    const prefix = path.slice(0, path.lastIndexOf('/'))
    pathSting = `${prefix}/${pathname}.html`
  }
  const queryString = Object.keys(queryObj)
    .reduce((prev, key) => [prev, `${key}=${queryObj[key]}`].join('&'), '')
    .slice(1)
  location.href = `${location.origin}${pathSting}${queryString ? `?${queryString}` : ''}`
}

/**
 * 获取语言
 * @returns language
 */
export function getLanguage () {
  let language = localStorage.getItem('trtc-tuiPlayer-language') || getUrlParam('lang') || navigator.language || 'zh'
  language = language.replace(/_/, '-').toLowerCase()

  if (language === 'zh-cn' || language === 'zh') {
    language = 'zh'
  } else if (language === 'en' || language === 'en-us' || language === 'en-GB') {
    language = 'en'
  }
  return language
}