<!--
 * @Description: 线上课程详情
 * @Author: 空白格
 * @Date: 2022-08-24 10:44:26
 * @LastEditors: 空白格
 * @LastEditTime: 2022-08-25 11:45:37
 * @FilePath: \veterans_client_web\src\views\AdaptiveTraining\OnlineCourseDetails\OnlineCourseDetailsIndex.vue
 * @Copyright: Copyright (c) 2016~2022 by 空白格, All Rights Reserved.
-->
<template>
  <div class="course-details">
    <div class="course-details-breadcrumb">
      <el-breadcrumb
        class="course-details-breadcrumb-content"
        separator-class="el-icon-arrow-right"
      >
        <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item
          v-for="(item, index) in breadcrumbList"
          :key="index"
          :to="'/' + item.path"
          >{{ item.label }}</el-breadcrumb-item
        >
      </el-breadcrumb>
    </div>
    <div class="course-details-video">
      <div class="course-details-video-box">
        <course-video
          ref="courseVideo"
          :courseDetails="detailsInfo"
          @changeClasses="changeClasses"
        />
      </div>
    </div>
    <div class="course-details-comment" v-loading="commentObj.loading">
      <el-row :gutter="11">
        <el-col :xs="24" :sm="24" :md="16" :lg="16" :xl="16">
          <div class="course-details-comment-content">
            <div class="cdcc-header">
              <div class="cdcc-header-title">课程评论</div>
              <div class="cdcc-header-total">
                共{{ commentObj.total || 0 }}条评论
              </div>
            </div>
            <div class="cdcc-list" v-if="commentObj.list.length">
              <div
                class="cdcc-list-item"
                v-for="(item, index) in commentObj.list"
                :key="index"
              >
                <div class="cdcc-list-item-left">
                  <el-avatar
                    shape="square"
                    :size="77"
                    :src="item.createByAvatar"
                  ></el-avatar>
                </div>
                <div class="cdcc-list-item-right">
                  <div class="clir-item">{{ item.createBy }}</div>
                  <div class="clir-item">
                    <div>
                      <el-rate
                        v-model="item.starLevel"
                        :disabled="true"
                        :colors="['#C4C4C4', '#C4C4C4', '#C4C4C4']"
                      ></el-rate>
                    </div>
                    <div class="date">{{ item.createTime }}</div>
                  </div>
                  <div class="clir-item">{{ item.content }}</div>
                </div>
              </div>
              <div class="pagination" v-if="commentObj.total">
                <el-pagination
                  background
                  layout="prev, pager, next"
                  :page-size="commentObj.queryParams.pageSize"
                  :total="commentObj.total"
                  @current-change="currentChange"
                />
              </div>
            </div>
            <div class="empty" v-else>
              <el-empty description="评论数据为空"></el-empty>
            </div>
          </div>
        </el-col>
        <el-col :xs="24" :sm="24" :md="8" :lg="8" :xl="8">
          <div class="course-details-comment-submit">
            <div class="cdcs-title">我的评论</div>
            <div class="cdcs-form">
              <el-form
                ref="form"
                :model="commentObj.form"
                :rules="commentObj.rules"
              >
                <el-form-item prop="starLevel">
                  <el-rate v-model="commentObj.form.starLevel"></el-rate>
                </el-form-item>
                <el-form-item prop="content">
                  <el-input
                    type="textarea"
                    :rows="6"
                    placeholder="请输入您的评价"
                    v-model="commentObj.form.content"
                  >
                  </el-input>
                </el-form-item>
                <el-form-item>
                  <div class="cdcs-form-btn">
                    <el-button
                      class="cdcs-form-btn-sub"
                      @click="submitComment"
                      :loading="commentObj.subLoading"
                      >提交</el-button
                    >
                  </div>
                </el-form-item>
              </el-form>
            </div>
          </div>
        </el-col>
      </el-row>
    </div>
  </div>
</template>

<script>
import CourseVideo from "@/components/CourseVideo";
import {
  getOnlineCourseDetails,
  getCommentList,
  addComment,
} from "@/api/AdaptiveTraining";
export default {
  name: "OnlineCourseDetailsIndex",
  components: {
    CourseVideo,
  },
  data() {
    return {
      breadcrumbList: [],
      classesId: null,
      detailsInfo: {},
      currentClasses: {},
      commentObj: {
        total: 0,
        list: [],
        loading: false,
        subLoading: false,
        queryParams: {
          pageNum: 1,
          pageSize: 10,
          tabId: undefined,
        },
        form: {
          tabId: "",
          starLevel: 0,
          content: "",
        },
        rules: {
          starLevel: [{ required: true, message: "请评分", trigger: "change" }],
          content: [
            { required: true, message: "请输入您的评价", trigger: "blur" },
          ],
        },
      },
    };
  },
  created() {
    this.handleRouter();
    const { id } = this.$route.query;
    if (id) {
      this.classesId = id;
      this.commentObj.queryParams.tabId = id;
      this.commentObj.form.tabId = id;
      this.getDetails();
      this.getCommentList();
    }
  },
  methods: {
    /**
     * 获取课程详情
     * @date 2022-08-24
     * @param {any} id
     * @returns {any}
     */
    getDetails() {
      getOnlineCourseDetails({ id: this.classesId }).then((res) => {
        if (res.code === 200) {
          this.detailsInfo = res?.data;
        }
      });
    },
    /**
     * 切换章节触发
     * @date 2022-08-25
     * @returns {any}
     */
    changeClasses() {
      this.getDetails();
    },
    /**
     * 获取课程评论
     * @date 2022-08-25
     * @returns {any}
     */
    getCommentList() {
      this.commentObj.loading = true
      getCommentList(this.commentObj.queryParams).then((res) => {
        if (res.code === 200) {
          this.commentObj.list = res?.rows;
          this.commentObj.total = Number(res?.total);
        }
        this.commentObj.loading = false
      }).catch(() => {
        this.commentObj.loading = false
      })
    },
    /**
     * 分页切换触发
     * @date 2022-08-25
     * @param {any} page
     * @returns {any}
     */
    currentChange(page) {
      this.commentObj.queryParams.pageNum = page;
      this.getCommentList();
    },
    /**
     * 提交评论
     * @date 2022-08-25
     * @returns {any}
     */
    submitComment() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          this.commentObj.subLoading = true
          addComment(this.commentObj.form).then((res) => {
            if (res.code === 200) {
              this.$message.success("评论成功!");
              this.$refs["form"].resetFields();
              this.commentObj.queryParams.pageNum = 1;
              this.getCommentList();
            } else {
              this.$message.error(res.msg || "评论失败!");
            }
            this.commentObj.subLoading = false
          }).catch(() => {
            this.commentObj.subLoading = false
          })
        }
      });
    },
    /**
     * 根据路由获取面包屑
     * @date 2022-08-24
     * @returns {any}
     */
    handleRouter() {
      let path = this.$router.currentRoute.path.slice(1),
        routerOptions = this.$router.options.routes[0].children,
        breadcrumbList = [],
        pathList;
      if (path) {
        pathList = path.split("/").filter((item) => item && item.trim());
        pathList[pathList.length - 1] = path;
        pathList.forEach((item) => {
          routerOptions.forEach((jitem) => {
            if (item === jitem.path) {
              breadcrumbList.push({
                path: jitem.path,
                label: jitem.meta.title,
              });
            }
          });
        });
        this.breadcrumbList = breadcrumbList;
      }
    },
  },
  beforeDestroy() {
    this.$refs["courseVideo"].submitVideoDuration();
  },
};
</script>

<style lang="scss" scoped>
.course-details {
  &-breadcrumb {
    height: 57px;
    line-height: 57px;
    background: #43565f;
    &-content {
      width: 70%;
      height: 57px;
      line-height: 57px;
      min-width: 600px;
      margin: 0 auto;
      :deep(.el-breadcrumb__inner.is-link) {
        color: #fff;
        font-size: 14px;
      }
    }
  }
  &-video {
    background: #181c1e;
    &-box {
      width: 70%;
      min-width: 600px;
      margin: 0 auto;
    }
  }
  &-comment {
    width: 70%;
    min-width: 600px;
    margin: 16px auto 0;
    &-content {
      background: #fff;
      padding: 30px 20px;
      .cdcc-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-bottom: solid 1px #cbcbcb;
        padding-bottom: 10px;
        &-title {
          color: #1a1a1a;
          font-size: 20px;
          font-weight: 500;
        }
        &-total {
          color: #8d8d8d;
          font-size: 14px;
        }
      }
      .cdcc-list {
        padding: 30px 0 0;
        &-item {
          display: flex;
          margin-bottom: 22px;
          &-left {
            margin-right: 14px;
          }
          &-right {
            .clir-item {
              display: flex;
              font-size: 14px;
              margin-bottom: 5px;
              :deep(.el-rate__icon) {
                margin-right: 2px;
              }
              .date {
                color: #a5a5a5;
                margin-left: 30px;
                font-size: 13px;
              }
              &:first-child {
                color: #3d3d3d;
                font-size: 16px;
              }
              &:last-child {
                color: #6c6c6c;
              }
            }
          }
        }
        .pagination {
          text-align: center;
          margin-top: 20px;
          :deep(.el-pager .active) {
            background-color: #ff3939;
          }
          :deep(.el-pagination.is-background
              .el-pager
              li:not(.disabled).active) {
            background-color: #ff3939;
          }
        }
      }
      .empty {
        padding: 30px 0;
      }
    }
    &-submit {
      background: #fff;
      padding: 30px 20px;
      .cdcs-title {
        font-size: 20px;
        color: #1a1a1a;
        margin-bottom: 14px;
      }
      .cdcs-form {
        &-btn {
          width: 100%;
          text-align: center;
          &-sub {
            width: 80%;
            background-color: #709078;
            color: #fff;
            border-radius: 30px;
          }
        }
      }
    }
  }
}
</style>
