var Handlebars = require('handlebars');
var FormatHelpers = require('../../../Shared/FormatHelpers');

Handlebars.registerHelper('historyAge', function() {

    var age = this.age;
    var unit = FormatHelpers.plural(Math.round(age), 'day');
    var ageHours = parseFloat(this.ageHours);
    var ageMinutes = this.ageMinutes ? parseFloat(this.ageMinutes) : null;

    if (age < 2) {
        age = ageHours.toFixed(1);
        unit = FormatHelpers.plural(Math.round(ageHours), 'hour');
    }

    if (age < 2 && ageMinutes) {
        age = parseFloat(ageMinutes).toFixed(1);
        unit = FormatHelpers.plural(Math.round(ageMinutes), 'minute');
    }

    return new Handlebars.SafeString('<dt>Age (when grabbed):</dt><dd>{0} {1}</dd>'.format(age, unit));
});