<template>
  <div class="chat-room">
    <div class="room" :class="{ win: !chatOptions.popup }" v-db-click @click="roomClick">
      <div v-drag class="head">
        <div class="image">
          <img v-lazy="serviceData && serviceData.avatar" />
        </div>
        <div class="name">{{ serviceData && serviceData.nickname }}</div>
        <div
          :class="['iconfont', muted ? 'icon-shengyinjingyinxianxing' : 'icon-shengyinyinliang']"
          v-db-click
          @click.stop="muted = !muted"
        ></div>
        <div class="iconfont icon-guanbi5" v-db-click @click.stop="close"></div>
      </div>
      <div class="main">
        <div class="chat">
          <div class="record" @scroll="onScroll" ref="record">
            <div id="chat_scroll" ref="scrollBox" v-loading="loading">
              <ul>
                <template v-for="item in records">
                  <li :key="item.id" :class="{ right: item.uid === serviceData.tourist_uid }" :id="`chat_${item.id}`">
                    <div v-if="item.show" class="time-tag">
                      {{ item.add_time }}
                    </div>
                    <div class="avatar">
                      <img v-lazy="item.avatar" />
                    </div>
                    <div class="content" ref="chatContent">
                      <div v-if="item.msn_type === 1" class="text" v-html="item.msn"></div>
                      <div v-if="item.msn_type === 2" class="image">
                        <div class="text">
                          <i :class="`em ${item.msn}`"></i>
                        </div>
                      </div>
                      <div v-if="item.msn_type === 3" class="image" v-viewer>
                        <img v-lazy="item.msn" />
                      </div>
                      <div v-if="item.msn_type === 5" class="goods">
                        <div class="thumb">
                          <img v-lazy="item.productInfo.image" />
                        </div>
                        <div class="intro">
                          <div class="name">
                            {{ item.productInfo.store_name }}
                          </div>
                          <div class="attr">
                            <span>库存：{{ item.productInfo.stock }}</span>
                            <span
                              >销量：{{
                                parseInt(item.productInfo.sales) +
                                parseInt(item.productInfo.ficti ? item.productInfo.ficti : 0)
                              }}</span
                            >
                          </div>
                          <div class="group">
                            <div class="money">￥{{ item.productInfo.price }}</div>
                            <span style="cursor: pointer" v-db-click @click.stop="onLook(item.productInfo.id)"
                              >查看商品 ></span
                            >
                          </div>
                        </div>
                      </div>
                      <template v-if="item.msn_type === 6">
                        <div v-for="itm in item.orderInfo.cartInfo" :key="itm.id" class="order">
                          <div class="thumb">
                            <img :src="itm.productInfo.image" />
                          </div>
                          <div class="intro">
                            <div class="name">订单ID：{{ item.orderInfo.order_id }}</div>
                            <div class="attr">商品数量：{{ itm.cart_num }}</div>
                            <div class="group">
                              <div class="money">￥{{ itm.productInfo.price }}</div>
                              <nuxt-link
                                target="_blank"
                                :to="{
                                  path: '/order_detail',
                                  query: { orderId: item.orderInfo.order_id },
                                }"
                                >查看订单 ></nuxt-link
                              >
                            </div>
                          </div>
                        </div>
                      </template>
                    </div>
                  </li>
                </template>
              </ul>
            </div>
          </div>
          <div class="editor">
            <div class="editor-hd">
              <div>
                <button class="emoji-btn" title="表情" v-db-click @click.stop="emojiSwitch">
                  <span class="iconfont iconbiaoqing1"></span>
                </button>
                <button title="图片" v-if="kufuToken">
                  <el-upload
                    :show-file-list="false"
                    :action="uploadAction"
                    :before-upload="beforeUpload"
                    accept="image/*"
                    :on-format-error="handleFormatError"
                    :data="uploadData"
                    :on-success="uploadSuccess"
                    :on-error="uploadError"
                  >
                    <span class="iconfont icontupian1"></span>
                  </el-upload>
                </button>
              </div>
              <!--                            <div>-->
              <!--                                <button class="end" v-db-click @click="chatEnd">-->
              <!--                                    <i class="iconfont icon-guanji"></i>结束-->
              <!--                                </button>-->
              <!--                            </div>-->
              <!-- 表情 -->
              <div class="emoji-panel" v-if="emojiShow">
                <i
                  class="em"
                  :class="emoji"
                  v-db-click
                  @click.stop="selectEmoji(emoji)"
                  v-for="(emoji, index) in emojiList"
                  :key="index"
                ></i>
              </div>
            </div>
            <div class="editor-bd">
              <textarea v-model="chatCont" placeholder="请输入文字内容" @keydown.enter="ctrlEnter"></textarea>
            </div>
            <div class="editor-ft">
              <button :disabled="!chatCont" v-db-click @click.stop="sendMessage">发送</button>
            </div>
          </div>
        </div>
        <div class="notice">
          <div v-if="notice" class="rich" v-html="notice"></div>
          <div class="copy">
            <span v-if="copyright">{{ copyright }}</span>
            <a v-else href="http://www.crmeb.com/" target="_blank">CRMEB提供技术支持</a>
          </div>
        </div>
      </div>
      <audio ref="audio" :src="audioSrc"></audio>
    </div>
    <feed-back @closeChange="closeChange($event)" v-if="change" :change="change"></feed-back>
  </div>
</template>

<script>
import 'emoji-awesome/dist/css/google.min.css';
import emojiList from '@/utils/emoji';
import { Socket } from '@/libs/socket';
import Setting from '@/setting';
import Cookies from 'js-cookie';
import { chatListApi, serviceListApi, getAdvApi, serviceList, getOrderApi, productApi } from '@/api/kefu';
import feedBack from './feedback';
import { isPicUpload } from '@/utils';
import { Session } from '@/utils/storage.js';

const chunk = function (arr, num) {
  num = num * 1 || 1;
  var ret = [];
  arr.forEach(function (item, i) {
    if (i % num === 0) {
      ret.push([]);
    }
    ret[ret.length - 1].push(item);
  });
  return ret;
};
export default {
  name: 'ChatRoom',
  auth: false,
  components: {
    feedBack,
  },
  props: {
    chatOptions: {
      type: Object,
      default: function () {
        return {
          show: false,
        };
      },
    },
  },
  directives: {
    drag: {
      inserted: function (el) {
        let x = 0;
        let y = 0;
        let l = 0;
        let t = 0;
        let isDown = false;
        el.onmousedown = function (e) {
          x = e.clientX;
          y = e.clientY;
          l = el.parentNode.offsetLeft;
          t = el.parentNode.offsetTop;
          isDown = true;
          el.style.cursor = 'move';
          window.onmousemove = function (e) {
            if (isDown == false) {
              return;
            }
            let nx = e.clientX;
            let ny = e.clientY;
            let nl = nx - (x - l);
            let nt = ny - (y - t);
            el.parentNode.style.left = nl + 'px';
            el.parentNode.style.top = nt + 'px';
          };
          window.onmouseup = function () {
            isDown = false;
            el.style.cursor = 'default';
            window.onmousemove = null;
            window.onmouseup = null;
          };
          return false;
        };
      },
    },
  },
  data() {
    return {
      locations: `${location.origin}`,
      change: false,
      emojiGroup: chunk(emojiList, 20), // 表情列表
      emojiList: emojiList,
      emojiShow: false,
      recordList: [],
      limit: 20,
      loading: false,
      finished: false,
      chatCont: '',
      service: null,
      serviceData: {},
      uploadAction: '',
      notice: '',
      audio: null,
      muted: false,
      audioSrc: '',
      upperId: 0,
      uploadData: {},
      is_tourist: 1, // 0登录状态，1未登录状态游客
      text: '',
      isLoad: false,
      page: 1,
      tourist_avatar: '', //游客头像
      tourist_uid: '', //游客id
      toUid: '', //客服id
      kufuToken: '', // token
      copyright: Session.get('copyright') || '',
    };
  },
  watch: {
    muted(value) {
      this.audio.muted = value;
    },
  },
  computed: {
    records() {
      return this.recordList.map((item, index) => {
        if (index) {
          if (new Date(item.add_time) - new Date(this.recordList[index - 1].add_time) >= 300000) {
            item.show = true;
          } else {
            item.show = false;
          }
        } else {
          item.show = false;
        }
        return item;
      });
    },
  },
  created() {
    if (location.href.indexOf('kefu') != -1)
      this.uploadAction = Setting.apiBaseURL.replace(/adminapi/, 'kefuapi') + '/tourist/upload';
    let token = Cookies.get('auth._token.local1');
    this.kufuToken = token ? token.split('Bearer ')[1] : '';
  },
  mounted() {
    let that = this;
    window.addEventListener('click', function () {
      that.emojiShow = false;
    });
    if (this.$wechat._isMobile()) this.$router.replace('/kefu/mobile_user_chat');
    this.getNotice();
    Socket.then((ws) => {
      if (this.kufuToken) {
        ws.send({
          type: 'login',
          data: this.kufuToken,
        });
      }
      this.getService();
      ws.$on(['reply', 'chat'], (data) => {
        if (data.msn_type == 1) {
          data.msn = this.replace_em(data.msn);
        }
        this.recordList.push(data);
        setTimeout((res) => {
          this.$nextTick(function () {
            this.$refs.record.scrollTop = this.$refs.record.scrollHeight - this.$refs.record.clientHeight;
          });
        }, 300);
      });
      // 监听客服转接
      ws.$on('to_transfer', (data) => {
        this.toUid = data.toUid;
        ws.send({
          data: {
            id: this.toUid,
          },
          type: 'to_chat',
        });
      });
      ws.$on('socket_error', () => {
        this.$message.error('连接失败');
      });
      ws.$on('err_tip', (data) => {
        this.$message.error(data.msg);
      });
      ws.$on('success', (data) => {
        this.is_tourist = 0;
      });
    });
    this.text = this.replace_em('[em-smiling_imp]');
  },
  beforeDestroy() {
    this.socket.close();
  },
  methods: {
    onLook(id) {
      window.open(`${location.origin}/home/goods_detail/${id}`);
    },
    // 关闭
    closeChange(msg) {
      this.change = msg;
    },
    // 统一发送处理
    sendMsg(msn, type) {
      let obj = {
        type: 'chat',
        data: {
          msn,
          type,
          is_tourist: this.is_tourist,
          to_uid: this.toUid,
          tourist_uid: this.tourist_uid,
          tourist_avatar: this.tourist_avatar,
          form_type: this.$wechat.isWeixin() ? 1 : 3,
        },
      };
      Socket.then((ws) => {
        ws.send(obj);
      });
    },
    // 随机客服
    getService() {
      serviceListApi({ token: this.kufuToken || '' })
        .then((res) => {
          this.serviceData = res.data;
          this.upperId = 0;
          this.toUid = res.data.uid;
          this.tourist_uid = res.data.tourist_uid;
          this.tourist_avatar = res.data.tourist_avatar;
          let obj = {
            data: {
              id: res.data.uid,
              tourist_uid: this.tourist_uid,
            },
            type: 'to_chat',
          };
          Socket.then((ws) => {
            ws.send(obj);
          });
          if (this.kufuToken) {
            this.getRecordList();
          }
        })
        .catch((err) => {
          this.$message.error(err.msg);
          this.change = true;
        });
    },
    roomClick(event) {
      // if (
      //     !event.target.classList.contains("emoji-panel") &&
      //     !event.target.classList.contains("emoji-btn") &&
      //     !event.target.classList.contains("icon-biaoqing") &&
      //     this.emojiShow
      // ) {
      //     this.emojiShow = false;
      // }
    },
    // enter 发送
    ctrlEnter(e) {
      if (e.keyCode == 13) {
        e.preventDefault();
      }
      if (this.chatCont.trim()) {
        this.sendMessage();
      }
    },
    // 关闭聊天窗口
    close() {
      this.$emit('chat-close');
    },
    // 选择表情
    selectEmoji(data) {
      let val = `[${data}]`;
      this.chatCont += val;
      this.emojiShow = false;
    },
    // 聊天表情转换
    replace_em(str) {
      str = str.replace(/\[em-([\s\S]*)\]/g, "<span class='em em-$1'/></span>");
      return str;
    },
    onScroll(event) {
      if (event.target.scrollTop <= 30) {
        if (this.kufuToken) {
          this.getRecordList();
        }
      }
    },
    // 聊天记录
    getRecordList() {
      if (this.loading) {
        return;
      }
      if (this.finished) {
        return;
      }
      this.loading = true;
      chatListApi({
        uid: this.serviceData.uid,
        limit: this.limit,
        upperId: this.upperId,
        token: this.kufuToken,
      })
        .then((res) => {
          if (res.data.length === 0) return (this.loading = false);
          res.data.forEach((el) => {
            if (el.msn_type == 1) {
              el.msn = this.replace_em(el.msn);
            }
          });
          let selector = '';
          if (this.upperId == 0) {
            selector = `chat_${res.data[res.data.length - 1].id}`;
          } else {
            selector = `chat_${this.recordList[0].id}`;
          }
          this.recordList = [...res.data, ...this.recordList];
          this.upperId = res.data.length > 0 ? res.data[0].id : 0;
          this.loading = false;
          this.finished = res.data.length < this.limit;
          this.$nextTick(function () {
            this.setPageScrollTo(selector);
          });
        })
        .catch((err) => {
          this.$message.error(err.msg);
          this.loading = false;
        });
    },
    // 设置页面滚动位置
    setPageScrollTo(selector) {
      this.$nextTick(() => {
        if (selector) {
          setTimeout(() => {
            let num = parseFloat(document.getElementById(selector).offsetTop) - 60;
            this.$refs.record.scrollTop = num;
          }, 0);
        } else {
          var container = document.querySelector('#chat_scroll');
          this.$refs.record.scrollTop = container.offsetHeight;
          setTimeout((res) => {
            if (this.$refs.record.scrollTop != this.$refs.scrollBox.offsetHeight) {
              this.$refs.record.scrollTop = document.querySelector('#chat_scroll').offsetHeight;
            }
          }, 300);
        }
      });
    },
    // 表情包显示隐藏
    emojiSwitch() {
      this.emojiShow = !this.emojiShow;
    },
    // 发送消息
    sendMessage() {
      this.sendMsg(this.chatCont, 1);
      this.chatCont = '';
    },
    chat(data) {
      if (data.uid != this.$auth.user.uid && this.audio) {
        this.audio.play();
      }
      this.recordList.push(data);
      this.$nextTick(() => {
        this.$refs.record.scrollTop = this.$refs.record.scrollHeight - this.$refs.record.clientHeight;
      });
    },
    sendGoods() {
      if (this.chatOptions.goodsId) {
        Socket.then((ws) => {
          ws.send({
            data: {
              msn: this.chatOptions.goodsId,
              type: 5,
              to_uid: this.toUid,
            },
            type: 'to_chat',
          });
        });
      }
    },
    sendOrder() {
      if (this.chatOptions.orderId) {
        Socket.then((ws) => {
          ws.send({
            data: {
              msn: this.chatOptions.orderId,
              type: 6,
              to_uid: this.toUid,
            },
            type: 'to_chat',
          });
        });
      }
    },
    chatEnd() {
      if (navigator.userAgent.indexOf('MSIE') > 0) {
        if (navigator.userAgent.indexOf('MSIE 6.0') > 0) {
          window.opener = null;
          window.close();
        } else {
          window.open('', '_top');
          window.top.close();
        }
      } else if (navigator.userAgent.indexOf('Firefox') > 0) {
        window.location.href = 'about:blank ';
      } else {
        window.opener = null;
        window.open('', '_self', '');
        window.close();
      }
    },
    // 广告
    getNotice() {
      getAdvApi().then((res) => {
        this.notice = res.data.content;
      });
    },
    beforeUpload(file) {
      if (isPicUpload(file)) {
        this.uploadData = {
          filename: file,
          token: this.kufuToken,
        };
        let promise = new Promise((resolve) => {
          this.$nextTick(function () {
            resolve(true);
          });
        });
        return promise;
      }
    },
    handleFormatError(file) {
      this.$message.error('上传图片只能是 jpg、jpg、jpeg、gif 格式!');
    },
    uploadSuccess(res) {
      this.sendMsg(res.data.url, 3);
    },
    uploadError(error) {
      this.$message.error(error);
    },
  },
};
</script>

<style lang="scss" scoped>
@import '../../../styles/emoji-awesome/css/google.min.css';
li {
  list-style-type: none;
}
.chat-room {
  .room {
    border-radius: 10px;
    position: fixed;
    top: calc(50% - 327px);
    left: calc(50% - 365px);
    z-index: 999;
    display: flex;
    flex-direction: column;
    width: 730px;
    height: 654px;
    background-color: #ffffff;
    overflow: hidden;
    box-shadow: 1px 1px 15px 0 rgba(0, 0, 0, 0.1);

    &.win {
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
    }

    .head {
      display: flex;
      align-items: center;
      height: 50px;
      padding-right: 15px;
      padding-left: 20px;
      background: linear-gradient(270deg, var(--prev-color-primary) 0%, #3875ea 100%);

      .image {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        overflow: hidden;

        img {
          display: block;
          width: 100%;
          height: 100%;
          object-fit: cover;
        }
      }

      .name {
        flex: 1;
        min-width: 0;
        margin-left: 15px;
        font-size: 16px;
        color: #ffffff;
      }

      .iconfont {
        width: 25px;
        height: 25px;
        font-size: 16px;
        line-height: 25px;
        text-align: center;
        color: #ffffff;
        cursor: pointer;
      }
    }

    .main {
      flex: 1;
      display: flex;
      min-height: 0;

      .chat {
        flex: 1;
        display: flex;
        flex-direction: column;
        min-width: 0;
      }

      .record {
        flex: 1;
        min-height: 0;
        overflow-x: hidden;
        overflow-y: auto;

        &::-webkit-scrollbar {
          display: none;
        }

        ul {
          padding: 20px;
        }

        li {
          ~ li {
            margin-top: 20px;
          }

          &::after {
            content: '';
            display: block;
            height: 0;
            clear: both;
            visibility: hidden;
          }

          &.right {
            .avatar {
              float: right;
            }

            .content {
              text-align: right;

              > div {
                text-align: left;
              }
            }
          }
        }

        .time-tag {
          padding-top: 10px;
          padding-bottom: 30px;
          text-align: center;
          color: #999999;
        }

        .avatar {
          float: left;
          width: 40px;
          height: 40px;
          border-radius: 50%;
          overflow: hidden;

          &.right {
            float: right;
          }

          img {
            display: block;
            width: 100%;
            height: 100%;
            object-fit: cover;
          }
        }

        .content {
          margin-right: 56px;
          margin-left: 56px;
        }

        .text {
          display: inline-block;
          min-height: 41px;
          padding: 10px 12px;
          border-radius: 10px;
          background-color: #f5f5f5;
          font-size: 15px;
          line-height: 21px;
          color: #000000;
        }

        .image {
          display: inline-block;
          max-width: 50%;
          border-radius: 10px;
          overflow: hidden;

          img {
            display: block;
            max-width: 100%;
          }
        }

        .goods,
        .order {
          display: inline-flex;
          align-items: center;
          width: 320px;
          padding: 10px 13px;
          border-radius: 10px;
          background-color: #f5f5f5;
        }

        .thumb {
          width: 60px;
          height: 60px;
          border-radius: 5px;
          overflow: hidden;

          img {
            display: block;
            width: 100%;
            height: 100%;
          }
        }

        .intro {
          flex: 1;
          min-width: 0;
          margin-left: 10px;

          .name {
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
            font-size: 15px;
            color: #000000;
          }

          .attr {
            margin-top: 5px;
            font-size: 12px;
            color: #999999;

            span {
              vertical-align: middle;

              ~ span {
                margin-left: 10px;
              }
            }
          }

          .group {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 5px;

            .money {
              font-size: 14px;
              color: #ff0000;
            }

            a {
              font-size: 12px;
              color: var(--prev-color-primary);
            }
          }
        }
      }

      .editor {
        display: flex;
        flex-direction: column;
        height: 162px;
        border-top: 1px solid #ececec;

        > div {
          &:first-child {
            font-size: 0;
          }
        }

        button {
          border: none;
          background: none;
          outline: none;

          ~ button {
            margin-left: 20px;
          }

          &.end {
            font-size: 15px;
          }

          &:hover {
            color: var(--prev-color-primary);

            .iconfont {
              color: var(--prev-color-primary);
            }
          }
        }

        .editor-hd {
          position: relative;
          display: flex;
          justify-content: space-between;
          align-items: center;
          height: 50px;
          padding-right: 20px;
          padding-left: 20px;

          .iconfont {
            line-height: 1;
            color: #333333;
          }

          .emoji-panel {
            position: absolute;
            bottom: 100%;
            left: 5px;
            width: 390px;
            padding-bottom: 10px;
            border: 1px solid #ececec;
            margin-bottom: 5px;
            background-color: #ffffff;
            box-shadow: 1px 0 16px 0 rgba(0, 0, 0, 0.05);

            .em {
              width: 28px;
              height: 28px;
              padding: 4px;
              margin-top: 10px;
              margin-left: 10px;
              box-sizing: border-box;

              &:hover {
                background-color: #ececec;
              }
            }
          }
        }

        .icon-biaoqing1,
        .icon-tupian1 {
          font-size: 22px;
        }

        .icon-guanji {
          margin-right: 5px;
          font-size: 15px;
        }

        .editor-bd {
          flex: 1;
          min-height: 0;

          textarea {
            display: block;
            width: 100%;
            height: 100%;
            padding-right: 20px;
            padding-left: 20px;
            border: none;
            outline: none;
            resize: none;
            white-space: pre-wrap;
            overflow-wrap: break-word;

            &::-webkit-scrollbar {
              display: none;
            }
          }
        }

        .editor-ft {
          display: flex;
          justify-content: flex-end;
          align-items: center;
          padding-right: 20px;
          padding-bottom: 20px;

          button {
            width: 68px;
            height: 26px;
            border: none;
            border-radius: 3px;
            background-color: #3875ea;
            outline: none;
            font-size: 13px;
            color: #ffffff;

            &:disabled {
              background-color: #cccccc;
            }
          }
        }
      }

      .notice {
        display: flex;
        flex-direction: column;
        width: 260px;
        border-left: 1px solid #ececec;

        .rich {
          flex: 1;
          min-height: 0;
          padding: 18px 18px 0;
          overflow-x: hidden;
          overflow-y: auto;

          &::-webkit-scrollbar {
            display: none;
          }

          ::v-deep img {
            width: 100%;
          }

          ::v-deep video {
            width: 100%;
          }
        }

        .copy {
          padding-top: 15px;
          padding-bottom: 15px;
          font-size: 12px;
          text-align: center;
          color: #cccccc !important;
          text-decoration: none;
        }
      }
    }
  }
}
</style>
