var DISCOUNT = [{"depart": 70, "country": 68, "oper": null, "hotel": null, "d1": "2018-02-05", "d2": "2025-03-04", "adult": null, "child": null, "meal": null, "text": "", "discount": {"proc": 0, "rub": 0, "usd": 0, "eur": 0}, "region": null, "subregion": null}, {"depart": 71, "country": 68, "oper": null, "hotel": null, "d1": "2018-02-05", "d2": "2025-03-04", "adult": null, "child": null, "meal": null, "text": "", "discount": {"proc": 0, "rub": 0, "usd": 0, "eur": 0}, "region": null, "subregion": null}, {"depart": 69, "country": 68, "oper": null, "hotel": null, "d1": "2018-02-05", "d2": "2025-03-04", "adult": null, "child": null, "meal": null, "text": "", "discount": {"proc": 0, "rub": 0, "usd": 0, "eur": 0}, "region": null, "subregion": null}, {"depart": 57, "country": 68, "oper": null, "hotel": null, "d1": "2018-02-05", "d2": "2025-03-04", "adult": null, "child": null, "meal": null, "text": "", "discount": {"proc": 0, "rub": 0, "usd": 0, "eur": 0}, "region": null, "subregion": null}, {"depart": 82, "country": 68, "oper": null, "hotel": null, "d1": "2018-02-05", "d2": "2025-03-04", "adult": null, "child": null, "meal": null, "text": "", "discount": {"proc": 0, "rub": 0, "usd": 0, "eur": 0}, "region": null, "subregion": null}];

// function get_discount(depart, country, oper, region, subregion, hotel, adult, child, meal, dt, currency) {
function get_discount(params) {
    var dt_in = moment(params.dt, "DD.MM.YYYY"),
        hotel_regexp = RegExp('(^|[^\d])' + params.hotel + '([^\d]|$)'),
        result = {'proc': 0, 'currency_discount': 0,  'text': '', 'active': false};

        row = _.find(DISCOUNT, function(item) {
            return (
                (item.depart == null || item.depart == params.depart) &&
                (item.country == null || item.country == params.country) &&
                (item.oper == null || item.oper == params.oper) &&
                // (item.hotel == null || hotel_regexp.test(item.hotel)) &&
                (item.region == null || item.region == params.region) &&
                (item.subregion == null || item.subregion == params.subregion) &&
                (item.adult == null || item.adult == params.adult) &&
                (item.child == null || item.child == params.child) &&
                (item.meal == null || item.meal == params.meal) &&
                (dt_in.isBetween(item.d1, item.d2, 'days', '[]'))
            );
        });
    if (row) {
        if (row.discount.proc > 0) {
            result.proc = row.discount.proc;
        }
        else {
            result.currency_discount = row.discount[params.currency.toLowerCase()] || 0;
        }
        result.text = row.text;
        result.active = true;
    }
    return result;
}