/*
 * input-case-enforcer - jQuery plugin to enforce uppercase, lowercase, or Capitalized inputs & textareas
 * @version v0.9.0
 * @link http://github.com/westonganger/input-case-enforcer
 * @license GNU GPL
 */

(function ($) {
    var event = 'blur';

    $.fn.caseEnforcer = function (arg) {
        if (['destroy', 'uppercase', 'lowercase', 'capitalize'].indexOf(arg) === -1) {
            console.log("input-case ArgumentError: Incorrect argument. Allowed values are 'uppercase','lowercase','capitalize', or 'destroy'");
            return false;
        }

        if (arg === 'destroy' || $(this).data('input-case')) {
            this.each(function () {
                var input = $(this);
                input.off(event + '.input-case');
            });

            if (arg === 'destroy') {
                $(this).css('text-transform', 'none');
                return this;
            }
        }

        this.each(function () {
            var input = $(this);

            var updateCase = function (e) {
                var mode = input.data('input-case');
                if (mode === 'uppercase') {
                    input.val(input.val().toUpperCase());
                } else if (mode === 'lowercase') {
                    input.val(input.val().toLowerCase());
                } else if (mode === 'capitalize') {
                    input.val(input.val().toLowerCase());
                    input.val(
                        input.val().replace(/(^|\s)[a-z]/g, function (f) {
                            return f.toUpperCase();
                        })
                    );
                }
            };

            input.css('text-transform', arg);
            input.data("input-case", arg);
            input.off(event + '.input-case').on(event + '.input-case', updateCase);

            updateCase(); //init on page load
        });
        return this;
    }
}(jQuery));