"use strict";

(function () {
  var isSmallScreen = false; //是否手机小屏幕

  var smallScreenWidth = 768; //手机小屏幕的宽度判断值

  var container = $('#solution');
  var content = container.find('.content');
  var navSwiper;
  var detailSwiper;
  var swiperIndex = 0;

  function navSwiperInit() {
    navSwiper = new Swiper($('.content-m .solution-nav-container')[0], {
      autoplay: false,
      spaceBetween: 20,
      slideClass: 'solution-nav-swiper-slide',
      wrapperClass: 'solution-nav-swiper-wrapper',
      slidesPerView: 'auto'
    });
  }

  function detailSwiperInit() {
    detailSwiper = new Swiper($('.solution-detail-container')[0], {
      autoplay: false,
      on: {
        transitionEnd: function transitionEnd(swiper) {
          var activeIndex = swiper.activeIndex;
          swiperIndex = activeIndex;
          var taglist = container.find('.tab-tag li');
          taglist.removeClass('current');
          $(taglist[swiperIndex]).addClass('current');
          navSwiper && navSwiper.slideTo(swiperIndex);
        }
      }
    });
  }

  detailSwiperInit();

  function screenWithChange() {
    if (navSwiper) {
      navSwiper.destroy();
      navSwiper = null;
    }

    if (isSmallScreen) {
      navSwiperInit();
    }
  }

  function checkScreenWith(screenSizeChange) {
    var clientWidth = document.documentElement.clientWidth;

    if (clientWidth > smallScreenWidth) {
      isSmallScreen = false;
    } else {
      isSmallScreen = true;
    }

    if (isSmallScreen) {
      content.addClass('content-m');
      content.removeClass('content-pc');
    } else {
      content.addClass('content-pc');
      content.removeClass('content-m');
    }

    screenSizeChange && screenSizeChange();
  }

  checkScreenWith(screenWithChange);
  $(window).on('resize', function () {
    checkScreenWith(screenWithChange);
  }); //技术解决方案

  container.on('click', '.tab-tag li', function () {
    $(this).addClass('current').siblings('li').removeClass('current');
    var index = $(this).index();
    swiperIndex = index;
    detailSwiper.slideTo(index);
  });
})();