$(function () {

    $('.slideshow').each(function () {

    // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

        var $container = $(this),
            $slideGroup = $container.find('.slideshow-slides'),
            $slides = $slideGroup.find('.slide'),
            $nav = $container.find('.slideshow-nav'),
            $indicator = $container.find('.slideshow-indicator'),
            slideCount = $slides.length,

            viewCount = $(".view").length;

            currentIndex = 0,
            duration = 500,
            easing = 'easeInOutExpo';

     console.log($(".view").length);

    // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -


        $slides.each(function (i) {
            $(this).css({ left: 200 * i + 'px' });
        });*/

    // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

        // 用以顯示任意Slide的函數
        function goToSlide (index) {
            $slides.animate({ left: - 480 * index + 'px' }, duration, easing);
            currentIndex = index;
            updateNav();
        }

        function updateNav () {
            var $navPrev = $nav.find('.prev'),
                $navNext = $nav.find('.next');
            if (currentIndex === 0) {
                $navPrev.addClass('disabled');
            } else {
                $navPrev.removeClass('disabled');
            }

            if (currentIndex === 1    ) {
                $navNext.addClass('disabled');
            } else {
                $navNext.removeClass('disabled');
            }
    console.log(currentIndex);
        }

    // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

        $nav.on('click', 'a', function (event) {
            event.preventDefault();
            if ($(this).hasClass('prev')) {
                goToSlide(currentIndex - 1);
            } else {
                goToSlide(currentIndex + 1);
            }
        });

    //-----------------------------------------------------------------
        goToSlide(currentIndex);


    });


});