<template>
  <div class="main-search">
    <div class="main-search-header">
      <input type="text" v-model="keyword" placeholder="请输入您要查找的型号或品牌" @keyup.13="onSearch()" autofocus>
      <span @click="onSearch()">搜索</span>
      <a @click="cancelSearch">取消</a>
    </div>
    <ul class="associate-list" v-show="associate.show">
      <li @click="onAssociateClick(similar)" v-for="similar in similarKeywords">
        <i class="icon-sousuo iconfont"></i>
        <span>{{similar}}</span>
      </li>
      <li>查找“{{keyword}}”</li>
    </ul>
    <div class="hot-history" v-show="!associate.show">
      <div class="search-history">
        <p>历史搜索</p>
        <ul>
          <li v-for="item in searchHistory" @click="onSearch(item.keyword)">
            <a>{{item.keyword}}</a>
          </li>
        </ul>
      </div>
      <div class="search-hot">
        <img src="/images/mobile/@2x/home/hot-search.png" alt="">
        <ul>
          <li v-for="hotword in hotwords">
            <nuxt-link :to="hotword.url" v-text="hotword.name"></nuxt-link>
          </li>
        </ul>
      </div>
    </div>
  </div>
</template>
<script>
  export default {
    name: 'home',
    data () {
      return {
        keyword: '',
        associate: {
          show: false
        }
      }
    },
    props: {
      hotwords: {
        type: Array,
        default () {
          return [
            {name: 'DSP1-DC5V-F', url: '/mobile/brand/componentDetail/0900300200000669'},
            {name: 'Vishay', url: '/mobile/brand/30327265e42a871be050007f01003d96'},
            {name: 'Panasonic', url: '/mobile/brand/30327265e47d871be050007f01003d96'}
          ]
        }
      }
    },
//    filters: {
//      similarFilter: function (key) {
//        let keyword = this.keyword
//        let index = key.indexOf(keyword)
//        if (index !== -1) {
//          key = key.substring(0, index) + '<strong>' + key.sub(index, keyword.length) + '</strong>' + key.substring(index + keyword.length, key.length)
//        }
//        return key
//      }
//    },
    methods: {
      onSearch (key) {
        if (key && key !== '') {
          this.keyword = key
        }
        if (this.keyword) {
          this.associate.show = false
          this.$router.push({path: '/mobile/search?w=' + encodeURIComponent(this.keyword)})
        }
      },
      onChange () {
        if (!this.keyword) {
          this.associate.show = false
          this.$store.dispatch('resetSearchKeywords')
        } else {
          this.searchKeywords()
        }
        if (this.click_flag) {
          this.associate.show = false
        }
      },
      searchKeywords () {
        this.associate.show = true
        this.$store.dispatch('searchKeywords', { keyword: this.keyword })
      },
      onAssociateClick (word) {
        this.keyword = word
        this.onSearch()
      },
      cancelSearch: function () {
        this.$emit('cancelSearchAction')
      }
    },
    created () {
      this.$store.dispatch('resetSearchKeywords')
    },
    watch: {
      'keyword': {
        handler (val, oldVal) {
          let keywords = this.similarKeywords.data
          if (!keywords || !keywords.length) {
            this.onChange()
          }
        }
      }
    },
    computed: {
      similarKeywords () {
        return this.$store.state.search.keywords.data
      },
      searchHistory () {
        return this.$store.state.searchData.searchHistory.searchHistory.data
      }
    }
  }
</script>
<style lang="scss" scoped>
  .main-search {
    background: #fff;
    height: -webkit-fill-available;
    width: -webkit-fill-available;
    position: fixed;
    z-index: 9;
    top: 0;
    .main-search-header {
      height: .71rem;
      background: #4391f7;
      padding-left: .84rem;
      display: flex;
      align-items: center;
      input {
        width: 4.48rem;
        height: .54rem;
        line-height: .54rem;
        font-size: .23rem;
        color: #999;
        padding-left: .2rem;
        border-bottom-left-radius: .05rem;
        border-top-left-radius: .05rem;
        border: .01rem solid #fff;
        background: #fff;
        outline: none;
      }
      span {
        display: inline-block;
        width: 1.02rem;
        text-align: center;
        height: .54rem;
        line-height: .54rem;
        color: #366df3;
        font-size: .23rem;
        margin-left: .02rem;
        border-top-right-radius: .05rem;
        border-bottom-right-radius: .05rem;
        background: #fff;
      }
      a {
        font-size: .27rem;
        color: #fff;
        margin-left: .2rem;
      }
    }
    .associate-list {
      padding-top: .25rem;
      background: #fff;
      li {
        height: 58px;
        line-height: 58px;
        padding: 0 45px;
        border-bottom: .01rem solid #f1f0f0;
        i {
          font-size: .4rem;
          margin-right: .24rem;
          color: #ddd;
        }
        span {
          color: #999;
          font-size: .28rem;
          line-height: 58px;
          height: .58rem;
          display: inline-block;
        }
        &:active, &:hover {
          background: #eee;
        }
        &:last-child {
          text-align: center;
          font-size: .3rem;
          color: #3976f4;
          border-bottom: none;
          &:active, &:hover {
            background: #fff;
          }
        }
      }
    }
    .hot-history {
      .search-history {
        padding-left: .51rem;
        padding-top: .38rem;
        >p {
          font-size: .3rem;
          color: #333;
        }
        ul {
          text-align: left;
          margin-top: .26rem;
          li {
            display: inline-block;
            max-width: 2.83rem;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            margin-right: 10px;
            background: #f2f6ff;
            height: .56rem;
            line-height: .56rem;
            padding: 0 .12rem;
            a {
              font-size: .3rem;
              color: #666;
            }
          }
        }
      }
      .search-hot {
        text-align: center;
        margin-top: .3rem;
        >img {
          width: 2.56rem;
          height: .67rem;
        }
        ul {
          text-align: left;
          padding-left: .51rem;
          margin-top: .31rem;
          li {
            display: inline-block;
            max-width: 2.83rem;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            margin-right: 10px;
            background: #fef1eb;
            height: .56rem;
            line-height: .56rem;
            padding: 0 .12rem;
            a {
              font-size: .3rem;
              color: #666;
            }
            &:nth-child(1) {
              a {
                color: #fc5708;
              }
            }
          }
        }
      }
    }
  }
</style>
