import {isArray} from 'rxjs/util/isArray';

export class FilterOption {
    static populate(data, item?): FilterOption {
        if (!item) {
            item = new FilterOption();
        }

        for (const key of ['code', 'name']) {
            if (key in data) {
                item[key] = data[key];
            }
        }

        return item;
    }

    static populateNew(data): FilterOption {
        return FilterOption.populate(data);
    }

    constructor(
        public code = '',
        public name = '') {
    }
}

export class Filter {
    static populate(data, item?): Filter {
        if (!item) {
            item = new Filter();
        }

        for (const key of ['filterCode']) {
            if (key in data) {
                item[key] = data[key];
            }
        }

        if ('options' in data) {
            let i = 0;
            for (; i < data['options'].length; ++i) {  //  update array in place
                let option = data['options'][i];
                if (!(option instanceof FilterOption)) {
                    option = new FilterOption(option['code'], option['name']);
                }
                item.options[i] = option;
            }
            item.options.length = i;
        }

        return item;
    }

    static populateNew(data): Filter {
        return Filter.populate(data);
    }

    constructor(
        public filterCode = '',
        public options: FilterOption[] = []
    ) {
        if (isArray(options)) {
            Filter.populate({options}, this);
        }
    }
}