/**
 * 星潮教室首页
 * @author: wsl<shuiling.wang@yoho.cn>
 * @date: 2016/5/31
 */

var $ = require('yoho-jquery'),
    Swiper = require('yoho-swiper'),
    lazyLoad = require('yoho-jquery-lazyload'),
    ellipsis = require('yoho-mlellipsis');

var $starArticle = $('.star-article'),
    $swiperView = $('.swiper-view'),
    $viewImg = $('.view-img'),
    imgs = [];

var avatarSwiper, avatarKey, mySwiper;

lazyLoad($('img.lazy'));
ellipsis.init();

// 限制标题字数
function txtLimit(dom) {
    var $title = dom.find('.article-title'),
        $cont = dom.find('p');

    $title[0].mlellipsis(2);
    $cont[0].mlellipsis(3);
}

// 明星动态文章图片相关操作
function articleImgAction(dom) {
    var $articeImgs = dom.find('.artice-imgs'),
        $li = $articeImgs.find('li'),
        imgLen = $articeImgs.find('img').length,
        addFlagDom = $li.eq(2);

    var i;

    imgs = [];

    $li.each(function() {
        imgs.push($(this).find('img').attr('src'));
    });

    $li.on('click', function() {
        for (i = 0; i < imgLen; i++) {
            $swiperView.find('ul').append('<li class="swiper-slide">' +
            '<img class="swiper-lazy" data-src="' + imgs[i] + '">' +
            '<div class="swiper-lazy-preloader"></div></li>');
        }
        setTimeout(function() {
            mySwiper = new Swiper('.swiper-view', {
                lazyLoading: true,
                lazyLoadingInPrevNext: true,
                slideElement: 'li'
            });
        }, 100);


        $viewImg.show();

        $('body').css({
            overflow: 'hidden'
        });
    });

    if (imgLen > 3 && addFlagDom.find('.img-size').length < 1) {
        addFlagDom.append('<div class="img-size"><i class="pic-icon"></i>' + imgLen + '</div>');
    }
}

if ($('.banner-swiper .swiper-slide').length > 1) {
    new Swiper('.banner-swiper', {
        lazyLoading: true,
        lazyLoadingInPrevNext: true,
        loop: true,
        autoplay: 3000,
        autoplayDisableOnInteraction: false,
        paginationClickable: true,
        slideElement: 'li',
        pagination: '.banner-top .pagination-inner'
    });
}

if ($('.avatar-swiper .swiper-slide').length > 1) {
    avatarSwiper = new Swiper('.avatar-swiper', {
        loop: true,
        initialSlide: 3,
        centeredSlides: true,
        lazyLoading: true,
        lazyLoadingInPrevNext: true,
        slidesPerView: 'auto',
        slidesOffsetBefore: '-' + $('.avatar-swiper').find('li').not('.swiper-slide-visible').width() / 2,
        watchSlidesProgress: true,
        watchSlidesVisibility: true
    });
}

// 明星动态头像左右滑动
if ($('.article-avatar-swiper').find('li').length > 1) {
    new Swiper('.article-avatar-swiper', {
        initialSlide: 0,
        lazyLoading: true,
        lazyLoadingInPrevNext: true,
        loop: true,
        autoplay: 5000
    });
}

if ($('.star-info').find('li').length > 0) {
    $starArticle.each(function(key, item) {
        txtLimit($(item));
        articleImgAction($(item));
    });
}

$('body').addClass('star-index-bg');


// 明星头像点击居中显示或跳转
$('.avatar-swiper li').on('click', function() {
    if ($(this).hasClass('swiper-slide-active')) {
        location.href = $(this).find('img').data('url');
    } else {
        avatarKey = $(this).index();
        avatarSwiper.slideTo(avatarKey, 1000, false);
    }
});

$('.mask-bg').on('click', function() {
    $viewImg.hide();
    $viewImg.find('li').remove();
    mySwiper.destroy(false);
    $('body').css({
        overflow: 'auto'
    });
});