dustin-H/bauhaus-ui

import store from '../../store/store.js'
import loader from './loader.js'

import { addFallbacks, clearFallbacks } from '../../actions/i18n.js'

export function $(id) {
  if (typeof id !== 'string' || id[0] !== '$') {
    return id
  } else {
    id = id.substr(1)
  }
  var state = store.getState().i18n
  for (var i in state.languages) {
    if (state.languages[i] != null && state.store[state.languages[i]] != null && state.store[state.languages[i]][id] != null) {
      return state.store[state.languages[i]][id]
    }
  }
  for (var i in state.store) {
    if (state.store[i][id] != null) {
      return state.store[i][id]
    }
  }
  setTimeout(function() {
    var state = store.getState().i18n
    if (state.fallbacks.length > 0) {
      var fallbacks = state.fallbacks
      store.dispatch(clearFallbacks())
      loader(fallbacks, function() {})
    }
  }, 0)
  console.error('Could not get i18n text of id [', id, ']!')
  return id
}

export function loadLanguagePacks(packs, cb) {
  var k = 0
  for (var i in packs) {
    k++
    loadLanguages(packs[i], function() {
      k--
      if (k < 1) {
        cb()
      }
    })
  }
}

export function loadLanguages(pack, cb) {
  if (Object.keys(pack).length > 0) {
    var state = store.getState().i18n
    var loadNow = null
    var fallbacks = []
    var isComplete = false
    for (var i in state.languages) {
      if (pack[state.languages[i]] != null) {
        if (loadNow == null) {
          var loadNow = pack[state.languages[i]].url
          if (pack[state.languages[i]].complete === true) {
            isComplete = true
            break
          }
        } else {
          if (pack[state.languages[i]].complete === true) {
            isComplete = true
            fallbacks.push(pack[state.languages[i]].url)
            break
          }
        }
      }
    }
    if (loadNow == null) {
      var chosen = null
      for (var i in pack) {
        if (pack[i].complete === true && (loadNow == null || (loadNow != null && i === 'en'))) {
          chosen = i
          isComplete = true
          loadNow = pack[i].url
          if (i === 'en') {
            break
          }
        }
      }
    }
    if (loadNow == null) {
      for (var i in pack) {
        if (loadNow == null || (loadNow != null && i === 'en')) {
          isComplete = true
          loadNow = pack[i].url
          if (i === 'en') {
            break
          }
        }
      }
    }
    if (isComplete === false) { // Search for a complete language package
      var lUrl = null
      for (var i in pack) {
        if (pack[i].complete === true && (isComplete === false || (isComplete === true && i === 'en'))) {
          isComplete = true
          lUrl = pack[i].url
          if (i === 'en') {
            break
          }
        }
      }
      if (lUrl != null) {
        fallbacks.push(lUrl)
      }
    }
    var toLoad = [loadNow]
    if (state.fallbackMode === true) {
      toLoad = toLoad.concat(fallbacks)
    } else {
      store.dispatch(addFallbacks(fallbacks))
    }
    loader(toLoad, cb)
  } else {
    cb()
  }
}