class LocalisationClass {
    timeformats = {
        'el-GR': 'DD/MM/YYYY',
        'en-CA': 'DD/MM/YYYY',
        'en-GB': 'DD/MM/YYYY', //UK
        'en-US': 'MM/DD/YYYY', //usa
        'fr-CA': 'YYYY-MM-DD',//singapore
        'fy-NL': 'DD-MM-YYYY',//Ca
        'ug-CN': 'YYYY-MM-DD',//chapman
    }
    /**
     *
     * @type {{}}
     */
    localeObj = {};

    /**
     *
     * @param obj
     */
    constructor(obj) {
        this.localeObj = obj;

    }

    /**
     *
     * @param code
     * @returns {string}
     */
    getLocaleDateString(code) {
        if (this.timeformats[code] !== undefined) {
            return this.timeformats[code]
        } else {
            return "d/MM/yyyy";
        }
    }

    /**
     *
     * @param code
     * @returns {string}
     */
    getLocaleTimeString() {
        if (this.localeObj.hasOwnProperty('timeformat') && this.localeObj.timeformat.length > 1) {
            return this.localeObj.timeformat
        }
        return "hh:mm:ss a";
    }

    /**
     *
     * @param dateString
     * @returns {null|Date}
     */
    parseDateStr(dateString) {
        if (dateString == '') {
            return null;
        }
        var _date = 'DD/MM/YYYY'
        var _time = 'H:MM:ss'
        var _timezone='Europe/London'
        var _timezonelocale='en-GB'
        if (this.localeObj.hasOwnProperty('location')) {
            _timezone= this.localeObj.location;
        }
        if (this.localeObj.hasOwnProperty('dateformat')) {
            _timezonelocale = this.localeObj.dateformat
            _date = this.getLocaleDateString(this.localeObj.dateformat)
        }
        if (this.localeObj.hasOwnProperty('timeformat')) {
            _time = this.getLocaleTimeString()
        }
        let format = _date;

       // moment.locale(_timezone)
        //.tz(_timezone)

        //check if is unixtimestamp
        if (parseInt(dateString) > 100000) {
            let format = _date + ' ' + _time;
            return moment(dateString * 1000).format(format).toString()
        }

        //explode string
        if (dateString.includes(".")) {
            //DD.mm.YYYY, or DD.mm.yy
            var dateArr = dateString.split(".");
        } else if (dateString.includes("-")) {
            //DD-mm-YYYY, or DD-mm-yy
            var dateArr = dateString.split("-");
        } else if (dateString.includes("\/")) {
            //DD/mm/YYYY, or DD/mm/yy
            var dateArr = dateString.split("\/");
        }
        if (dateArr.length == 1) {
            return null;    //wrong format
        }

        //check if the given date has time on
        //parse time after the year - separated by space
        let spacePos = dateArr[2].indexOf(" ");
        let timeString = dateArr[2].substr(spacePos + 1);
        let timeArr = timeString.split(":");
        //check if the datetime includes minute / seconds
        if (timeArr.length > 1) {
            format = _date + ' ' + _time;
        }
        let date = moment(dateString)
        if (date.isValid()) {
            return date.format(format).toString()
        }
    }

    /**
     *
     * @param str
     * @returns {boolean|*}
     */
    translate(str) {
        if (this.localeObj.hasOwnProperty(str)) {
            return this.localeObj[str];
        } else {
            return false;
        }
    }

    /**
     *
     * @param str
     * @param defaultStr
     * @returns {*|boolean}
     * @private
     */
    __(str, defaultStr) {
        if (this.translate(str)) {
            return this.translate(str);
        } else {
            return defaultStr;
        }
    }

    /**
     *
     * @returns {string|*}
     */
    dateFormat() {
        if (this.localeObj.hasOwnProperty('dateformat')) {
            return this.getLocaleDateString(this.localeObj.dateformat)
        } else {
        return 'DD/MM/YYYY';
        }
    }

    /**
     *
     * @returns {string|*[]}
     */
    datePickerFormat(){
        if (this.localeObj !==undefined && this.localeObj.hasOwnProperty('dateformat')) {
            let dateFormatter=this.getLocaleDateString(this.localeObj.dateformat).toLowerCase()
            var dateArr =[]
            if (dateFormatter.includes(".")) {
                //DD.mm.YYYY, or DD.mm.yy
                dateArr = dateFormatter.split(".");
                if (dateArr[0]=='mm'){
                    dateArr[0]='MM'
                }else if (dateArr[1]=='mm'){
                    dateArr[1]='MM'
                }else{
                    dateArr[2]='MM'
                }
                dateArr=dateArr[0]+'.'+dateArr[1]+'.'+dateArr[2]
            } else if (dateFormatter.includes("-")) {
                //DD-mm-YYYY, or DD-mm-yy
                 dateArr = dateFormatter.split("-");
                if (dateArr[0]=='mm'){
                    dateArr[0]='MM'
                }else if (dateArr[1]=='mm'){
                    dateArr[1]='MM'
                }else{
                    dateArr[2]='MM'
                }
                dateArr=dateArr[0]+'-'+dateArr[1]+'-'+dateArr[2]
            } else if (dateFormatter.includes("\/")) {
                //DD/mm/YYYY, or DD/mm/yy
                 dateArr = dateFormatter.split("\/");
                if (dateArr[0]=='mm'){
                    dateArr[0]='MM'
                }else if (dateArr[1]=='mm'){
                    dateArr[1]='MM'
                }else{
                    dateArr[2]='MM'
                }
                dateArr=dateArr[0]+'\/'+dateArr[1]+'\/'+dateArr[2]
            }
            return  dateArr
        } else {
            return 'dd/MM/yyyy';
        }
    }

    /**
     *
     * @returns {string|*}
     */
    dateTimeFormat() {
        if (this.localeObj.hasOwnProperty('timeformat')) {
            return this.localeObj.timeformat
        } else {
            return 'H:MM:ss';
        }
    }

    /**
     *
     * @param dateString
     * @returns {*}
     */
    translateDate(dateString) {
        return this.parseDateStr(dateString);
    }

    /**
     *
     * @param dateString
     * @returns {string}
     */
    translateunixtimestamp(dateString) {
        return this.parseDateStr(dateString)
    }
}