//!  moment.js locale configuration
//!  locale : Breton [br]
//!  author : Jean-Baptiste Le Duigou : https://github.com/jbleduigou

import moment from '../moment';

function relativeTimeWithMutation(number, withoutSuffix, key) {
    var format = {
        'mm': 'munutenn',
        'MM': 'miz',
        'dd': 'devezh'
    };
    return number + ' ' + mutation(format[key], number);
}
function specialMutationForYears(number) {
    switch (lastNumber(number)) {
        case 1:
        case 3:
        case 4:
        case 5:
        case 9:
            return number + ' bloaz';
        default:
            return number + ' vloaz';
    }
}
function lastNumber(number) {
    if (number > 9) {
        return lastNumber(number % 10);
    }
    return number;
}
function mutation(text, number) {
    if (number === 2) {
        return softMutation(text);
    }
    return text;
}
function softMutation(text) {
    var mutationTable = {
        'm': 'v',
        'b': 'v',
        'd': 'z'
    };
    if (mutationTable[text.charAt(0)] === undefined) {
        return text;
    }
    return mutationTable[text.charAt(0)] + text.substring(1);
}

export default moment.defineLocale('br', {
    months : 'Genver_C\'hwevrer_Meurzh_Ebrel_Mae_Mezheven_Gouere_Eost_Gwengolo_Here_Du_Kerzu'.split('_'),
    monthsShort : 'Gen_C\'hwe_Meu_Ebr_Mae_Eve_Gou_Eos_Gwe_Her_Du_Ker'.split('_'),
    weekdays : 'Sul_Lun_Meurzh_Merc\'her_Yaou_Gwener_Sadorn'.split('_'),
    weekdaysShort : 'Sul_Lun_Meu_Mer_Yao_Gwe_Sad'.split('_'),
    weekdaysMin : 'Su_Lu_Me_Mer_Ya_Gw_Sa'.split('_'),
    weekdaysParseExact : true,
    longDateFormat : {
        LT : 'h[e]mm A',
        LTS : 'h[e]mm:ss A',
        L : 'DD/MM/YYYY',
        LL : 'D [a viz] MMMM YYYY',
        LLL : 'D [a viz] MMMM YYYY h[e]mm A',
        LLLL : 'dddd, D [a viz] MMMM YYYY h[e]mm A'
    },
    calendar : {
        sameDay : '[Hiziv da] LT',
        nextDay : '[Warc\'hoazh da] LT',
        nextWeek : 'dddd [da] LT',
        lastDay : '[Dec\'h da] LT',
        lastWeek : 'dddd [paset da] LT',
        sameElse : 'L'
    },
    relativeTime : {
        future : 'a-benn %s',
        past : '%s \'zo',
        s : 'un nebeud segondennoù',
        m : 'ur vunutenn',
        mm : relativeTimeWithMutation,
        h : 'un eur',
        hh : '%d eur',
        d : 'un devezh',
        dd : relativeTimeWithMutation,
        M : 'ur miz',
        MM : relativeTimeWithMutation,
        y : 'ur bloaz',
        yy : specialMutationForYears
    },
    dayOfMonthOrdinalParse: /\d{1,2}(añ|vet)/,
    ordinal : function (number) {
        var output = (number === 1) ? ' añ' : 'vet';
        return number + output;
    },
    week : {
        dow : 1, // Monday is the first day of the week. 
        doy : 4  // The week that contains Jan 4th is the first week of the year. 
    }
});

