var app = angular.module('timer');

app.factory('I18nService', function() {

var I18nService = function() {};

I18nService.prototype.language = 'en';

I18nService.prototype.fallback = 'en';

I18nService.prototype.timeHumanizer = {};

I18nService.prototype.init = function init(lang, fallback) {

var supported_languages = humanizeDuration.getSupportedLanguages();

this.fallback = (fallback !== undefined) ? fallback : 'en';

if (supported_languages.indexOf(fallback) === -1) {

this.fallback = 'en';

}

this.language = lang;

if (supported_languages.indexOf(lang) === -1) {

this.language = this.fallback;

}

//moment init

moment.locale(this.language); //@TODO maybe to remove, it should be handle by the user's application itself, and not inside the directive

//human duration init, using it because momentjs does not allow accurate time (

// momentJS: a few moment ago, human duration : 4 seconds ago

this.timeHumanizer = humanizeDuration.humanizer({

language: this.language,

halfUnit:false

});

};

/**

* get time with units from momentJS i18n

* @param {int} millis

* @returns {{millis: string, seconds: string, minutes: string, hours: string, days: string, months: string, years: string}}

*/

I18nService.prototype.getTimeUnits = function getTimeUnits(millis) {

var diffFromAlarm = Math.round(millis/1000) * 1000; //time in milliseconds, get rid of the last 3 ms value to avoid 2.12 seconds display

var time = {};

if (typeof this.timeHumanizer != 'undefined'){

time = {

'millis' : this.timeHumanizer(diffFromAlarm, { units: ["milliseconds"] }),

'seconds' : this.timeHumanizer(diffFromAlarm, { units: ["seconds"] }),

'minutes' : this.timeHumanizer(diffFromAlarm, { units: ["minutes", "seconds"] }) ,

'hours' : this.timeHumanizer(diffFromAlarm, { units: ["hours", "minutes", "seconds"] }) ,

'days' : this.timeHumanizer(diffFromAlarm, { units: ["days", "hours", "minutes", "seconds"] }) ,

'months' : this.timeHumanizer(diffFromAlarm, { units: ["months", "days", "hours", "minutes", "seconds"] }) ,

'years' : this.timeHumanizer(diffFromAlarm, { units: ["years", "months", "days", "hours", "minutes", "seconds"] })

};

}

else {

console.error('i18nService has not been initialized. You must call i18nService.init("en") for example');

}

return time;

};

return I18nService;

});