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

var $ = require('yoho-jquery'),
    Swiper = require('yoho-swiper'),
    tip = require('../plugin/tip'),
    lazyLoad = require('yoho-jquery-lazyload'),
    ellipsis = require('yoho-mlellipsis'),
    loading = require('../plugin/loading'),
    PullRefresh = require('../plugin/pull-refresh');

var $window = $(window),
    $starArticle = $('.star-article'),
    $headTab = $('.head-tab'),
    stopLoading = false,
    avatarSwiper,
    avatarSwiperClone,
    getIndexHtml;

/*
    $swiperView = $('.swiper-view'),
    $viewImg = $('.view-img'),
    $body = $('body'),
    imgs = [],
    allImgs = {};

var mySwiper;
*/

var avatarKey, bannerLen;

require('../common');

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

$window.on('mousewheel', false);

// 限制标题字数
function txtLimit(dom, item1, item2) {
    var $title = dom.find(item1),
        $cont = dom.find(item2);

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

// 设置默认头像
function setAvatar($userAvatar) {
    var myImage = new Image(),
        avatar = '';

    // 部分老用户没有头像，显示默认头像
    avatar = $userAvatar.data('avatar');

    if (avatar) {
        myImage.src = avatar;
    }

    myImage.onload = function() {
        $userAvatar.css('background-image', 'url(' + avatar + ')');
    };
}

function setIndexAction() {
    var starIScroll;

    var commonHeaderTop = $('#yoho-header').outerHeight(),
        $loadingTip = $('.loading-tip'),
        $avatarWrap = $('.avatar-wrap:not(.avatar-clone)'),
        avatarHeight = $('.avatar').height(),
        infoTop = $('.star-info').css('margin-top');

    // 下拉刷新，上拉加载
    starIScroll = new PullRefresh('.star-wrap', {
        height: $(window).height() - commonHeaderTop - avatarHeight - parseInt(infoTop, 10) * 2,
        pullDown: function() {
            if (!stopLoading) {
                stopLoading = true;

                if (avatarSwiperClone) {
                    avatarSwiperClone.destroy(true, true);
                    avatarSwiperClone = '';
                }
                getIndexHtml();
            }
        }
    });

    starIScroll.iScroll.on('scrollStart', function() {
        // 下拉
        if (this.directionY === -1) {
            $headTab.slideDown();
            $loadingTip.slideDown();
        }
    });

    starIScroll.iScroll.on('scroll', function() {
        if (commonHeaderTop > $avatarWrap.offset().top) {
            $('.avatar-clone').show();

            if (!avatarSwiperClone) {
                avatarSwiperClone = new Swiper('.avatar-0', {
                    loop: true,
                    initialSlide: $('.avatar-1').find('.swiper-slide-active').index(),
                    centeredSlides: true,
                    slidesPerView: 'auto',
                    loopedSlides: bannerLen,
                    spaceBetween: 10,
                    slidesOffsetBefore: -($('.swiper-num').width()),
                    watchSlidesProgress: true,
                    watchSlidesVisibility: true
                });

                avatarSwiperClone.params.control = avatarSwiper;
                avatarSwiper.params.control = avatarSwiperClone;
            }
        }

        if (Math.abs(this.startY) < $('.banner-top').height() + avatarHeight + $('.head-tab').height()) {
            $('.avatar-clone').hide();
        }
    });

    starIScroll.iScroll.on('scrollEnd', function() {
        // 上滑
        if (this.directionY === 1) {
            $headTab.slideUp(600);
        }

        $loadingTip.slideUp();
    });

    // 明星动态文章图片相关操作
    /*
    function articleImgAction(dom, key) {
        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'));
        });

        allImgs[key] = imgs;

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

                $('.swiper-view li').on('click', function(e) {
                    if (e.target.nodeName === 'IMG') {
                        return;
                    }
                    $viewImg.hide();
                    $body.css({
                        overflow: 'auto'
                    });
                    $viewImg.find('li').remove();
                    mySwiper.destroy(false);
                });
            }, 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>');
        }
    }
    */

    $('.avatar').each(function(key, item) {
        $(item).addClass('avatar-' + key);
    });

    // banner swiper 初始化
    if ($('.banner-swiper').find('li').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'
        });
    }

    // 明星头像 swiper 初始化
    if (bannerLen > 1) {
        avatarSwiper = new Swiper('.avatar-1', {
            loop: true,
            centeredSlides: true,
            slidesPerView: 'auto',
            loopedSlides: bannerLen,
            spaceBetween: 10,
            slidesOffsetBefore: -($('.swiper-num').width()),
            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), '.article-title', 'p');

            // articleImgAction($(item), key);
        });
    }

    // 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')) {
            avatarKey = $(this).index();

            if (avatarKey >= (2 * bannerLen + 1)) {
                avatarSwiperClone && avatarSwiperClone.slideTo(bannerLen + 1, 0);
                avatarSwiper.slideTo(bannerLen + 1, 0);
            } else if (avatarKey <= (bannerLen - 1)) {
                avatarSwiperClone && avatarSwiperClone.slideTo(2 * bannerLen - 1, 0);
                avatarSwiper.slideTo(2 * bannerLen - 1, 0);
            } else {
                avatarSwiperClone && avatarSwiperClone.slideTo(avatarKey, 0);
                avatarSwiper.slideTo(avatarKey, 0);
            }

            return false;
        } else if (window.queryString.app_version) {
            return false;
        }
    });

    $('.rank-avatar').each(function(key, item) {
        if ($(item).attr('data-avatar') !== '') {
            setAvatar($(item));
        }
    });

    $('#yoho-header, .head-tab').on('touchmove', function() {
        return false;
    });
}

getIndexHtml = function() {
    var $starMain = $('.star-main');

    loading.showLoadingMask();
    $.ajax({
        url: '/guang/star/getIndexHtml',
        dataType: 'html',
        success: function(data) {
            stopLoading = false;

            if (!data) {
                stopLoading = true;
                tip.show('没有更多内容了');
            }

            $starMain.html(data);
            bannerLen = $('.avatar .swiper-slide').length;

            if ($('.avatar-clone')) {
                $('.avatar-clone').remove();
            }

            $('.avatar li').each(function() {
                setAvatar($(this).find('span'));
            });

            $starMain.before($('.avatar-swiper').clone().addClass('avatar-clone').hide());

            // 限制标题字数
            $('.cont-area').each(function() {
                txtLimit($(this), '.title', '.cont-txt');
            });

            loading.hideLoadingMask();
            lazyLoad($('img.lazy'));

            setTimeout(function() {
                setIndexAction();
            }, 100);

        },
        error: function() {
            tip.show('网络断开连接了~');
        }
    });
};

getIndexHtml();