@extends('wap-browser.template')

@section('head')
<link rel="stylesheet" href="/wapbrowser/web/component.css">
<style>
  .stock-limit{
    margin-top: .24rem;
    padding: 0 .24rem;
    font-size: .24rem;
    overflow: hidden;
    transition: height .3s;
  }
  .stock-limit__type {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
    -ms-flex-direction: row;
    flex-direction: row;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
  }
  .stock-limit__label {
    width: 1.2rem;
    line-height: .5rem;
  }
  .stock-limit__items {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
    -ms-flex-direction: row;
    flex-direction: row;
    -webkit-box-pack: start;
    -ms-flex-pack: start;
    justify-content: flex-start;
    width: 5.8rem;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
  }
  .stock-limit__item {
    width: 22%;
    box-sizing: border-box;
    border: 1px solid #999;
    color: #999;
    border-radius: .25rem;
    height: .5rem;
    line-height: .5rem;
    text-align: center;
    margin-bottom: .3rem;
    margin-right: 4%;
  }
  .stock-limit__item:nth-child(4n) {
    margin-right: 0;
  }
  .stock-limit__item.is-active {
    border-color: #ff6060;
    color: #ff6060;
  }
  .book-stock-switch {
    margin-top: -.2rem;
    background-color: #fff;
  }
  .book-stock-switch__content {
    text-align: center;
    color: #999;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
    -ms-flex-direction: row;
    flex-direction: row;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    height: 2.5em;
  }
  .book-stock-switch__icon {
    width: 1em;
    margin-left: .5em;
  }
  .book-stock-switch__shadow {
    width: 7.5rem;
    height: .2rem;
    background: radial-gradient(3.75rem .1rem at 50% 0,#f0f0f0,#fff);
  }
  .x-book--stock{
    margin: .36rem .24rem;
  }

</style>
@endsection

@section('body')
  @component('wap-browser.component.header',['name'=> $title])
  @endcomponent
  <!-- 输入框   -->
  <!-- 输入框   -->
  <div class="stock-limit">
    <dl class="stock-limit__type">
      <dt class="stock-limit__label">频道</dt>
      <dd class="stock-limit__items stock-limit__items--channel">
      </dd>
    </dl>
    <dl class="stock-limit__type stock-limit__type--category">
      <dt class="stock-limit__label">分类</dt>
      <dd class="stock-limit__items stock-limit__items--category">
      </dd>
    </dl>
    <dl class="stock-limit__type">
        <dt class="stock-limit__label">是否完结</dt>
        <dd class="stock-limit__items stock-limit__items--status">  
        </dd>
      </dl>
  </div>
  <div class="book-stock-switch">
    <div class="book-stock-switch__content">
      <span>收回筛选项</span> 
      <img src="data:image/png;base64,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" class="book-stock-switch__icon"></div> 
      <div class="book-stock-switch__shadow">
    </div>
  </div>
  <div class="stock-list">

  </div>
  <div class="spinner" style="heigth: 30px; overflow: hidden;">
    <div class="mint-spinner-snake" style="margin: 0  auto;border-top-color: rgb(38, 162, 255); border-left-color: rgb(38, 162, 255); border-bottom-color: rgb(38, 162, 255); height: 28px; width: 28px;"></div>
  </div>
@endsection

@section('foot')
<script>
  var categories = @json($categories);
  categories.unshift({
    id: 0,
    name: '不限'
  })
  categories.map(function(item){
    if(item.children){
      item.children.unshift({
        id: item.id,
        name: '不限'
      })
    }
  })

  var stats = [
    { id: -1, name: '不限' },
    { id: 1, name: '完结' },
    { id: 0, name: '连载' }
  ]

  var channel = '1' , category = '1', stat = '1', page = '1', last = false

  function createItem(list,event){
    return list.map(function(v){
      var item = document.createElement('div')
      item.setAttribute('class','stock-limit__item')
      item.setAttribute('data-id',v.id)
      item.innerHTML = v.name
      addEvent(item,'click',event)
      return item
    })
  }

  function isActivbe(nodes,id){
    nodes.map(function(node){
      if(node.getAttribute('data-id') === id){
        addClass(node,'is-active')
      }else{
        removeClass(node,'is-active')
      }
    })
  }

  function setHeight(hide){
    var dom = document.querySelector('.stock-limit')
    var limit = document.querySelector('.book-stock-switch__content span')
    if(hide &&  dom.offsetHeight){
      dom.style.height = 0
      limit.innerHTML = '收回筛选项'
    }else{
      var h = Math.ceil(categories.length / 4) 
        + (categories[channel].children ?  Math.ceil(categories[channel].children.length / 4) : 0)
        + Math.ceil(stats.length / 4) 
      limit.innerHTML = '展开筛选项'        
      dom.style.height =  h * 0.8 + "rem"
    }
  }
  
  function initChannel(channel_id){
    var dom = document.querySelector('.stock-limit__items--channel')
    var items = createItem(categories,function(e){
      var id =  e.target.getAttribute('data-id')
      if(id !== channel){
        channel = id
        category = id
        page = 1
        initCategory(id)
        isActivbe(items,id)
        setHeight()
        getList()
      }
    })
    items.map(function(item,i){
        dom.appendChild(item)
      })
    isActivbe(items,channel_id) 
  }

  function initCategory(channel_id){
    var dom = document.querySelector('.stock-limit__items--category')
    var parent = document.querySelector('.stock-limit__type--category')
    if(categories[channel_id].children){  
      dom.innerHTML = ''
      parent.style.display = ''
      var items = createItem(categories[channel_id].children,function(e){
        var id = e.target.getAttribute('data-id')
        category = id
        page = 1
        getList()        
        isActivbe(items,id)
      })
      items.map(function(item){
        dom.appendChild(item)
      })
      isActivbe(items,channel_id) 
    }else{
      parent.style.display = 'none'
    }
  }

  function initStatus(){
    var dom = document.querySelector('.stock-limit__items--status')
    var items = createItem(stats,function(e){
      var id = e.target.getAttribute('data-id')
      stat = id
      page = 1      
      getList()      
      isActivbe(items,id)
    })
    items.map(function(item){
        dom.appendChild(item)
      })
    isActivbe(items,stat)
  }


  function createBook(book){
    var a = document.createElement('a')
    a.setAttribute('href','/detail?bid='+ book.book_id)
    a.innerHTML = '\
      <dl class="x-book x-book--multi x-book--stock">\
        <dt class="x-book__coverbox" style="width: 1.8rem;height: 2.4rem">\
          <img src="'+book.cover_url+'" class="x-book__cover" style="width: 1.8rem;height: 2.4rem">\
        </dt>\
        <dd class="x-book__text--multi" style="width: calc(100% - 1.8rem);height: 2.4rem">\
          <div class="x-book-info">\
            <p class="x-book-info__name">'+ book.book_name +'</p>\
            <p class="x-book-info__flex">\
              <span class="x-book-info__author">'+ book.book_author +'</span>\
              <span class="x-book-info__finish"> '+ (book.book_end_status ? '完结' : '连载') +' </span>\
            </p>\
            <p class="x-book-info__count">字数：'+ book.book_word_count +'</p>\
            <p class="x-book-info__flex">\
              <span class="x-book-info__lastest">\
                <span class="red">最新：'+ book.last_chapter +'</span></span>\
                '+(book.last_chapter_is_vip ? '<img src="/wapbrowser/web/vip.png" class="x-book-info__vip">' : '<img src="/wapbrowser/web/vip.png" class="x-book-info__vip">')+'\
            </p>\
          </div>\
        </dd>\
      </dl>'
    return a 
  }

  function queryString(obj) {
    let str = ''
    for (k in obj){
      str = k+'='+obj.k+'&'
    }
    if(str){
      str = str.substr(0,str.length-1)
    }
    return str;
  }
  function getList(append){
    var wrap = document.querySelector('.stock-list')    
    if(getList.prev) getList.prev.xhr.abort()
    if(!append) wrap.innerHTML = ''    
    var params = {
      category_id: category,
      page: page
    }
    params.stat === -1 ? (params.stat = stat) : null
    var url = '/api/books/library?' +  queryString(params)
    function callback(json){
      getList.loading = false      
      json.data.list.map(function(book){
        wrap.appendChild(createBook(book))
      })
      if( json.data.meta.last_page === json.data.meta.current_page ) {
        last = true
        document.querySelector('.spinner').style.display = 'none'
      }else{
        last = false
        document.querySelector('.spinner').style.display = ''        
      }
    }
    getList.prev = {
      params : params,
      xhr : getJSON(url,callback)
    }
    getList.loading = true
  }

  initChannel(channel)
  initCategory(channel,category)
  initStatus(stat)
  setTimeout(setHeight,0)
  getList()
  
  addEvent( document.querySelector('.book-stock-switch'),'click',function () {
    setHeight(true)
  })

  addEvent(window, 'scroll', function(e){
    if(getList.loading || last) return
    var scrollbottom = Math.max(window.pageYOffset || 0, document.documentElement.scrollTop) + document.documentElement.clientHeight
    if(scrollbottom + 50 > document.body.offsetHeight){
      page++
      getList(true)
    }
  })

</script>
@endsection