<template>
  <div class="container GCLS-BOOK-Container">
    <template v-if="!type">
      <Header />
      <Nav nav-value="书籍预览" />
    </template>
    <template v-else>
      <div class="bookname">
        <i
          style="cursor: pointer; margin-right: 5px"
          class="el-icon-arrow-left"
          @click="back"
        ></i>
        {{ name }}
      </div>
    </template>
    <div class="content">
      <div id="content-tree" :class="[fullTree ? 'content-tree-full' : 'content-tree']">
        <TreeView
          ref="treeView"
          :book-id="bookId"
          :change-id="changeId"
          :changeTreeData="changeTreeData"
          :currentTreeID="chapterId"
        />
      </div>
      <div id="data-screen" class="inner" v-loading="loading">
        <!-- 显示答案按钮 -->
        <!-- <a v-if="chapterId" :class="['answerShow',isAnswerShow?'answerShowTrue':'']" @click="handleAnswerShow">显示答案</a> -->
        <!-- <a class="edit-btn" @click="handleEdit">编辑</a> -->
        <div v-if="chapterId" class="title-box">
          <img
            v-if="!treeFlag"
            src="../assets/common/icon-view-back.png"
            @click="treeShow"
          />
          <img
            v-if="!treeFlag"
            src="../assets/common/icon-treelist.png"
            @click="chooseCourseware"
          />
          <!-- <h2 class="title">{{ chapterName }}</h2> -->
          <!-- <el-switch
            v-if="!treeFlag"
            v-model="switchvalue"
            active-color="#FF9900"
            active-text
            inactive-text="生词模式"
          /> -->
        </div>

        <template v-if="category == 'OC' || !category">
          <Preview
            v-if="chapterId && context"
            ref="previewAnswer"
            :context="context"
            :bookAnswerContent="bookAnswerContent"
            bookclientwidth="900"
            :TaskModel="TaskModel"
            @handleBookUserAnswer="handleBookUserAnswer"
          />
        </template>
        <template v-if="category == 'NPC'">
          <Booknpc
            v-if="chapterId && context"
            ref="previewAnswer"
            :context="context"
            :currentTreeID="chapterId"
            :FatherTreeData="FatherTreeData"
            :change-id="changeId"
            :themeColor="themeColor"
            :isShowTitle="true"
          />
        </template>
        <template v-if="category == 'NNPE'">
          <Booknnpe
            v-if="chapterId && context"
            ref="previewAnswer"
            :context="context"
            :currentTreeID="chapterId"
            :FatherTreeData="FatherTreeData"
            :change-id="changeId"
            :themeColor="themeColor"
            :isShowTitle="true"
          />
        </template>
      </div>
    </div>
    <!-- <Preview :context="context" :queIndex="queIndex" /> -->

    <a v-if="chapterId && treeFlag" class="screen-full" @click="fullScreen()" />
  </div>
</template>

<script>
import Header from "@/components/inputModules/common/Header";
import Nav from "@/components/inputModules/common/Nav";
import TreeView from "@/components/inputModules/common/TreeView";
import { getContent } from "@/api/ajax";
import Cookies from "js-cookie";
// import Preview from '@/componentsAnswer/PreviewAnswer.vue'
import Preview from "@/components/Preview";
export default {
  name: "CourseView",
  components: {
    Header,
    Nav,
    TreeView,
    Preview,
  },
  data() {
    return {
      bookId: "",
      chapterId: "",
      chapterName: "",
      fullscreen: false, // 控制全屏
      fullTree: false, // 全屏模式下树是否显示
      context: null,
      question: null, // 选择的模板题型
      queIndex: "",
      treeFlag: true, // tree是否显示
      switchvalue: true, // 生词模式
      isAnswerShow: false, // 是否显示答案
      bookAnswerContent: "[[6],[],[9]]",
      TaskModel: "Task",
      category: "",
      FatherTreeData: null,
      themeColor: "",
      type: "",
      name: "",
      loading: false,
      bookName: [
        {
          name: "新实用汉语课本1",
          id: "002-20211006-10-NHVOMDLDRY",
        },
        {
          name: "发展汉语初级综合（Ⅰ）",
          id: "002-20211007-06-4DGL2ZRIB5",
        },
        {
          name: "HSK标准教程1",
          id: "002-20211007-14-UNYIWU8EKW",
        },
        {
          name: "新实用汉语",
          id: "003-20210908-10-1ZWNGSASZL",
        },
        {
          name: "新航标职业英语 综合英语（基础级）学生用书1（修订版）",
          id: "002-20211029-14-9VGMXLV2NU",
        },
        {
          name: "新航标职业英语",
          id: "002-20211011-10-GOLXUZST4G",
        },
      ],
    };
  },
  created() {
    const _this = this;
    _this.bookId = this.$route.query.bookId;

    _this.type = this.$route.query.type;
    _this.bookName.forEach((item) => {
      if (item.id == _this.bookId) {
        _this.name = item.name;
      }
    });
  },
  methods: {
    back() {
      this.$router.go(-1);
    },
    changeTreeData(val) {
      this.FatherTreeData = JSON.parse(JSON.stringify(val));
    },
    changeId(id, name) {
      const _this = this;
      _this.chapterId = id;
      _this.chapterName = name;
      _this.isAnswerShow = false;
      _this.onGetData();
      if (!_this.treeFlag) {
        _this.fullTree = false;
        document.getElementById("content-tree").style.display = "none";
      }
    },
    // 点击全屏展示 隐藏tree
    fullScreen() {
      this.treeFlag = false;
      document.getElementById("content-tree").style.display = "none";
    },
    treeShow() {
      this.treeFlag = true;
      this.fullTree = false;
      document.getElementById("content-tree").style.display = "block";
    },
    // 获取预览数据
    onGetData() {
      this.loading = true;
      const _this = this;
      const MethodName = "book-courseware_manager-GetCoursewareContent_View";
      const data = {
        id: _this.chapterId,
      };
      getContent(MethodName, data).then((res) => {
        this.category = res.category;
        this.themeColor = res.book_theme_color;
        if (res.content) {
          const _this = this;
          if (!this.category || this.category == "OC") {
            _this.context = {
              id: _this.chapterId,
              ui_type: JSON.parse(res.content).question
                ? JSON.parse(res.content).question.ui_type
                : "",
              sort_number: 1,
              content: JSON.parse(res.content),
            };
          } else if (this.category == "NPC") {
            _this.context = JSON.parse(res.content);
          } else if (this.category == "NNPE") {
            _this.context = JSON.parse(res.content);
          }
        } else {
          const _this = this;
          _this.context = null;
        }
        this.loading = false;
      });
    },
    // 跳转编辑页面
    handleEdit() {
      const index = this.$refs.treeView.handleParentIndex().split("###");
      if (index.length > 1) {
        Cookies.set("bookIndex", index[0]);
        Cookies.set("bookLevel", index[1]);
        Cookies.set("bookNodename", index[2]);
      }
      this.$router.push("/input?bookId=" + this.bookId);
    },
    // 显示或隐藏答案
    handleAnswerShow() {
      this.isAnswerShow = !this.isAnswerShow;
      this.$refs.previewAnswer.bookAnswerShow(this.isAnswerShow);
    },
    // 得到用户答题答案
    handleBookUserAnswer(data) {
      console.log(data);
    },
    // 悬浮树隐藏显示
    chooseCourseware() {
      this.fullTree = !this.fullTree;
      if (this.fullTree) {
        document.getElementById("content-tree").style.display = "block";
      } else {
        document.getElementById("content-tree").style.display = "none";
      }
    },
  },
};
</script>
<style lang="scss" scoped>
.container {
  width: 100%;
  height: auto;
  .bookname {
    width: 100%;
    height: 60px;
    display: flex;
    align-items: center;
    box-sizing: border-box;
    padding: 0 46px;
    background: #f3f7fa;
    position: relative;
    z-index: 999;
  }
  .content {
    width: 100%;
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    &-tree {
      width: 340px;
      height: 100%;
      overflow: auto;
      padding: 20px 0px;
      border-right: 1px solid #d9d9d9;
      position: fixed;
      top: 0px;
      left: 0;
      padding-top: 124px;
      background: #fff;
    }
    .content-tree-full {
      position: fixed;
      top: 100px;
      left: 152px;
      max-height: 588px;
      overflow: auto;
      z-index: 999;
      background: #fff;
      box-shadow: 0px 2px 8px rgba(0, 0, 0, 0.25);
      border-radius: 4px;
    }
    .inner {
      // border-left: 1px solid #d9d9d9;
      width: 1000px;
      margin: 0 auto;
      margin-left: 340px;
      flex: 1;

      box-sizing: border-box;
      padding: 20px;
      position: relative;
      background: #fff;
      .title-box {
        display: flex;
        align-items: center;
        margin-bottom: 12px;
        padding-right: 160px;
        position: relative;
        > img {
          width: 40px;
          margin-right: 16px;
          cursor: pointer;
        }
      }
      .title {
        font-size: 24px;
        margin-bottom: 20px;
        line-height: 40px;
        margin: 0;
      }
      .has-module {
        display: flex;
        justify-content: flex-start;
        align-items: flex-start;
        &-tree {
          width: 340px;
          height: 100%;
          overflow: auto;
          padding: 20px 0px;
          border-right: 1px solid #d9d9d9;
        }
        .inner {
          // border-left: 1px solid #d9d9d9;
          width: 1000px;
          flex: 1;
          margin: 0 auto;
          box-sizing: border-box;
          padding: 20px;
          position: relative;
          background: #fff;
          .title-box {
            display: flex;
            align-items: center;
            margin-bottom: 12px;
            padding-right: 160px;
            position: relative;
            > img {
              width: 40px;
              margin-right: 16px;
              cursor: pointer;
            }
          }
          .title {
            font-size: 24px;
            margin-bottom: 20px;
            line-height: 40px;
            margin: 0;
          }
          .has-module {
            display: flex;
            justify-content: flex-start;
            align-items: flex-start;
          }
          .edit-btn {
            display: inline-block;
            font-size: 14px;
            background: #ff9900;
            float: right;
            line-height: 36px;
            color: #fff;
            width: 60px;
            text-align: center;
            border-radius: 4px;
          }
        }
      }
    }

    .nav-list {
      width: 200px;
      height: 40px;
      background: rgba(49, 212, 134, 0.2);
      border-radius: 240px;
      display: flex;
      justify-content: flex-start;
      align-items: center;
      padding: 0;
      margin: 0;
      margin-bottom: 10px;
      list-style: none;
      > li {
        height: 40px;
        width: 100px;
        text-align: center;
        font-style: normal;
        font-weight: bold;
        font-size: 14px;
        line-height: 40px;
        color: #19b068;
        cursor: pointer;
        &.active {
          background: #19b068;
          border-radius: 240px;
          color: #ffffff;
        }
      }
    }
  }
  .answerShow {
    position: absolute;
    right: 20px;
    top: 20px;
    width: 112px;
    height: 40px;
    background: #ffffff url("../assets/common/icon-eye-close.png") 16px center
      no-repeat;
    background-size: 16px;
    border: 1px solid rgba(44, 44, 44, 0.15);
    box-sizing: border-box;
    border-radius: 4px;
    font-size: 14px;
    line-height: 150%;
    color: #000000;
    padding: 9px 16px 9px 36px;
    cursor: pointer;
    z-index: 2;
    &.answerShowTrue {
      background: #f5f5f5 url("../assets/common/icon-eye-open.png") 16px center
        no-repeat;
      background-size: 16px;
    }
  }
}
</style>
<style lang="scss">
.GCLS-BOOK-Container{
    .screen-full {
        position: fixed;
        right: 30px;
        bottom: 30px;
        width: 48px;
        height: 48px;
        background: rgba(0, 0, 0, 0.4) url("../assets/common/icon-screenFull.png")
        center no-repeat;
        background-size: 32px;
    }
}
.title-box {
  .el-switch {
    position: absolute;
    top: 0;
    right: 0px;
    border: 1px solid rgba(44, 44, 44, 0.15);
    border-radius: 40px;
    height: 40px;
    padding: 6px 6px 6px 16px;
  }
  .el-switch__label.is-active {
    color: #000000;
    font-size: 16px;
  }
}
</style>
