var quiz = {
    currentStep: 0,
    pending: false,

    init: function() {
        quiz.objectSquareTotal = $('#object-square-total');
        quiz.getSteps();
    },
    prevStep: function() {
        if(quiz.pending) { return 0; }
        quiz.pending = true;

        var step =$(quiz.steps)[quiz.currentStep];
        quiz.currentStep--;
        $(step).fadeOut(200, function() {
            step = $(quiz.steps)[quiz.currentStep];
            $(step).fadeIn(200);
        });

        var discount = $('#step-' + (quiz.currentStep + 1)).data('discount');
        $('.quiz-block').find('.percent').html(discount);

        quiz.pending = false;
    },
    nextStep: function() {
        if (quiz.pending) { return 0; }
        quiz.pending = true;

        if (quiz.currentStep + 1 === 2) {
            var result = quiz.validateSquare();
            if (!result) {
                quiz.pending = false;
                return 0;
            }
        } else if (!$('#step-' + (quiz.currentStep + 1)).find('input:checked').length) {
            /*alertErr("Выберите значение");
            setTimeout(function() {
                swal.close();
            }, 4000);*/
            $('.quiz-form').find('label').addClass('error');
            quiz.pending = false;
            return 0;
        }

        $('.quiz-form').find('label').removeClass('error');
        var step = $(quiz.steps)[quiz.currentStep];
        quiz.currentStep++;
        $(step).fadeOut(200, function() {
            step = $(quiz.steps)[quiz.currentStep];
            $(step).fadeIn(200);
        });

        var discount = $('#step-' + (quiz.currentStep + 1)).data('discount');
        $('.quiz-block').find('.percent').html(discount);

        quiz.pending = false;
    },
    endQuiz: function() {
        if(quiz.pending) { return 0; }
        quiz.pending = true;

        $.ajax({
            type: 'post',
            url: '/submit-quiz',
            data: $('.quiz-form').serialize(),
            dataType: 'json',
            success: function(res) {
                if(res.result) {
                    quiz.pending = false;
                    location.href = '/spasibo';
                } else {
                    //alertErr(res.display);
                    $('.quiz-form').find('.phone').addClass('error');
                    $('.quiz-form').find('.phone').focus();
                    quiz.pending = false;
                }
            }, error: function() {
                quiz.pending = false;
            }
        });
    },
    getSteps: function() {
        quiz.steps = $('.quiz-step');
    },
    validateSquare: function() {
        var result = 1;
        var value = $('#object-square-total').val();
        if (!$.isNumeric(value)) { alertErr('Введите число'); result = 0; return 0; }
        if (value < 1) { alertErr('Значение не может быть меньше 1'); result = 0; return 0; }
        if (value > 150) { alertErr('Значение не может больше 150'); result = 0; return 0; }
        if (!result) { return result; }
        return result;
    },
    validateNumericInput: function(event) {
        return event.charCode >= 48 && event.charCode <= 57;
    },
    changeSquare: function(el) {
        $('#object-square').slider('option', 'value', el.value);
    }
};

$(function() {
    quiz.init();
});