<template>
  <div class="container-main" ref="main">
    <div class="search-hearder" ref="topSearch">
      <el-form
        :model="queryParams"
        ref="queryForm"
        :inline="true"
        v-show="showSearch"
        label-width="auto"
      >
        <el-form-item label="标题" prop="title">
          <el-input
            v-model="queryParams.title"
            placeholder="请输入标题"
            clearable
            size="small"
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>
        <el-form-item label="文章类型" prop="type">
          <el-select
            v-model="queryParams.type"
            placeholder="请选择文章类型"
            clearable
            size="small"
          >
            <el-option
              v-for="dict in dict.type.article_type"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="是否轮播" prop="isCarousel">
          <el-select
            v-model="queryParams.isCarousel"
            placeholder="请选择是否轮播"
            clearable
            size="small"
          >
            <el-option
              v-for="dict in dict.type.zero_or_one"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="状态" prop="status">
          <el-select
            v-model="queryParams.status"
            placeholder="请选择状态"
            clearable
            size="small"
          >
            <el-option
              v-for="dict in dict.type.status_type"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            />
          </el-select>
        </el-form-item>
        <el-form-item>
          <el-button
            type="primary"
            icon="el-icon-search"
            size="mini"
            @click="handleQuery"
            >搜索</el-button
          >
          <el-button icon="el-icon-refresh" size="mini" @click="resetQuery"
            >重置</el-button
          >
        </el-form-item>
      </el-form>
    </div>
    <div class="layui-table-tool" ref="tableTool">
      <el-button type="primary" size="mini" @click="handleAdd">新增</el-button>
      <el-button
        type="warning"
        size="mini"
        :loading="exportLoading"
        @click="handleExport"
        >导出</el-button
      >
    </div>

    <el-table
      v-loading="loading"
      :data="articleList"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="编号" align="center" prop="id" width="55">
        <template slot-scope="scop">
          {{
            scop.$index + 1 + (queryParams.pageNum - 1) * queryParams.pageSize
          }}
        </template>
      </el-table-column>
      <el-table-column
        label="标题"
        align="center"
        prop="title"
        :show-overflow-tooltip="true"
      />
      <el-table-column label="发布人" align="center" prop="publisher" />
      <el-table-column label="文章类型" align="center" prop="type" width="100">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.article_type" :value="scope.row.type" />
        </template>
      </el-table-column>
      <el-table-column label="点赞量" align="center" prop="id">
        <template slot-scope="scope">
          {{ objectKey[scope.row.id] || 0 }}
        </template>
      </el-table-column>
      <el-table-column
        label="是否轮播"
        align="center"
        prop="isCarousel"
        width="70"
      >
        <template slot-scope="scope">
          <dict-tag
            :options="dict.type.zero_or_one"
            :value="scope.row.isCarousel"
          />
        </template>
      </el-table-column>
      <el-table-column label="轮播排序" align="center" prop="sort" width="70" />
      <!-- <el-table-column label="状态" align="center" prop="status">
        <template slot-scope="scope">
          <dict-tag
            :options="dict.type.status_type"
            :value="scope.row.status"
          />
        </template>
      </el-table-column> -->
      <el-table-column label="状态" align="center" width="100">
        <template slot-scope="scope">
          <el-switch
            v-model="scope.row.status"
            :active-value="1"
            :inactive-value="0"
            @change="handleStatusChange(scope.row)"
          ></el-switch>
        </template>
      </el-table-column>
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
        width="210"
        fixed="right"
      >
        <template slot-scope="scope">
          <el-button
            size="mini"
            icon="el-icon-view"
            @click="handleInfo(scope.row)"
          >
            预览
          </el-button>
          <el-button
            type="primary"
            size="mini"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            >修改</el-button
          >
          <el-button
            type="danger"
            size="mini"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改文章对话框 -->
    <el-dialog
      :visible.sync="open"
      width="75%"
      append-to-body
      custom-class="dialog-box"
    >
      <div slot="title" class="dialog-title">{{ title }}</div>

      <el-form ref="form" :model="form" :rules="rules" label-width="auto">
        <el-form-item label="标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入标题" />
        </el-form-item>

        <el-row>
          <el-col :span="8">
            <el-form-item label="发布人" prop="publisher">
              <el-input v-model="form.publisher" placeholder="请输入发布人" />
            </el-form-item>
          </el-col>
        </el-row>

        <el-row>
          <el-col :span="8">
            <el-form-item label="文章类型" prop="type">
              <el-select v-model="form.type" placeholder="请选择文章类型">
                <el-option
                  v-for="dict in dict.type.article_type"
                  :key="dict.value"
                  :label="dict.label"
                  :value="parseInt(dict.value)"
                ></el-option>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="8">
            <el-form-item label="是否轮播" prop="isCarousel">
              <el-select v-model="form.isCarousel" placeholder="请选择是否轮播">
                <el-option
                  v-for="dict in dict.type.zero_or_one"
                  :key="dict.value"
                  :label="dict.label"
                  :value="dict.value"
                ></el-option>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="8">
            <el-form-item
              label="轮播排序"
              prop="sort"
              v-show="form.isCarousel == '1'"
            >
              <el-input-number
                v-model="form.sort"
                placeholder="请输入轮播排序"
                maxlength="1"
                :min="0"
                show-word-limit
              />
            </el-form-item>
          </el-col>
        </el-row>

        <el-form-item label="封面">
          <imageUpload v-model="form.cover" :limit="1" />
        </el-form-item>

        <el-form-item label="发布内容">
          <editor v-model="form.content" :min-height="192" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="info" @click="submitForm(0)">暂 存</el-button>
        <el-button type="primary" @click="submitForm(1)">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
    <!--查看文章详情页-->
    <el-dialog
      :visible.sync="infoOpen"
      width="385px"
      append-to-body
      :close-on-click-modal="false"
      :destroy-on-close="true"
      custom-class="dialog-box"
      class="info-dialog"
    >
      <div slot="title" class="dialog-title">{{ infoTitle }}</div>

      <div class="info-box ql-editor">
        <div class="pre-phone">
          <!-- <div class="pre-nav-bar">{{ form.title }}</div> -->
          <div class="pre-box">
            <div class="pre-title">{{ form.title }}</div>
            <div class="pre-line">
              <div>{{ form.publisher }}</div>
              <div>{{ form.createTime | changeTime }}</div>
            </div>
            <div
              class="pre-content"
              v-html="$options.filters.codehtml(form.content)"
            ></div>
          </div>
        </div>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import moment from "moment";
import {
  listArticle,
  getArticle,
  delArticle,
  addArticle,
  updateArticle,
  exportArticle,
} from "@/api/mudu/article";
import {
  listLikes,
  getLikes,
  delLikes,
  addLikes,
  updateLikes,
  exportLikes,
} from "@/api/mudu/likes";
export default {
  name: "Article",
  //注释字典
  dicts: ["article_type", "zero_or_one", "status_type"],
  data() {
    return {
      // 实际请求list
      formCopy: [],
      //查看详情
      infoOpen: false,
      //详情标题
      infoTitle: "",
      // 遮罩层
      loading: true,
      // 导出遮罩层
      exportLoading: false,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 文章表格数据
      articleList: [],
      objectKey: {},
      likesList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        title: null,
        type: null,
        isCarousel: null,
        sort: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        title: [{ required: true, message: "标题不能为空", trigger: "blur" }],
        publisher: [
          { required: true, message: "发布人不能为空", trigger: "blur" },
        ],
        content: [
          { required: true, message: "发布内容不能为空", trigger: "blur" },
        ],
        type: [
          { required: true, message: "发布类型不能为空", trigger: "change" },
        ],
        cover: [{ required: true, message: "封面不能为空", trigger: "blur" }],
      },
    };
  },
  created() {
    this.getlistLikes();
  },
  filters: {
    codehtml: function (value) {
      const code = `${value}`.replace(/\\t/g, "&nbsp;&nbsp;");
      return code;
    },

    changeTime: function (value) {
      const times = moment(value).format("YYYY-MM-DD HH:mm:ss");
      return times;
    },
  },
  methods: {
    /** 查询点赞列表 */
    getlistLikes() {
      listLikes(this.queryParams).then((response) => {
        this.likesList = response.rows;
        this.likesList.map((item) => {
          this.objectKey[item.titleId] = item.count;
        });
        this.getList();
      });
    },
    /** 查询文章列表 */
    getList() {
      this.loading = true;
      listArticle(this.queryParams).then((response) => {
        this.articleList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        title: null,
        publisher: null,
        content: null,
        type: null,
        cover: null,
        isCarousel: null,
        sort: 0,
        createId: null,
        createBy: null,
        createTime: null,
        updateId: null,
        updateBy: null,
        updateTime: null,
        remark: null,
        userId: null,
        deptId: null,
        status: 0,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.id);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /**查看按钮操作 */
    handleInfo(row) {
      this.reset();
      const id = row.id || this.ids;
      getArticle(id).then((response) => {
        this.form = response.data;
        this.infoOpen = true;
        this.infoTitle = "预览文章";
      });
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加文章";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids;
      getArticle(id).then((response) => {
        this.form = response.data;
        this.formCopy = response.data.isCarousel;

        this.open = true;
        this.title = "修改文章";
      });
    },
    // 状态修改
    handleStatusChange(row) {
      let _this = this;
      let text = row.status === 0 ? "暂存草稿" : "正式发布";
      this.$modal
        .confirm('确认要"' + text + '""' + row.title + '"文章吗？')
        .then(function () {
          _this.reset();
          const id = row.id || _this.ids;
          return getArticle(id).then((response) => {
            _this.form = response.data;
            _this.form.isCarousel = 0;
            _this.oneEdit(row.status);
          });
        })
        .then(() => {
          this.$modal.msgSuccess(text + "成功");
        })
        .catch(function () {
          row.status = row.status === 0 ? 1 : 0;
        });
    },
    /** 提交按钮 */
    submitForm(status) {
      listArticle({
        pageNum: 1,
        pageSize: 10,
        isCarousel: 1,
        status: 1,
      }).then((res) => {
        let tabSize = res.total;
        // alert(tabSize);
        // console.log(tabSize, this.formCopy);
        if (
          tabSize < 5 ||
          this.formCopy == 1 ||
          (tabSize >= 5 && this.form.isCarousel == 0)
        ) {
          // console.log(this.form);
          this.$refs["form"].validate((valid) => {
            if (valid) {
              this.form.status = status;
              if (this.form.id != null) {
                updateArticle(this.form).then((response) => {
                  this.$model.msgSuccess("修改成功");
                  this.open = false;
                  this.getList();
                });
              } else {
                addArticle(this.form).then((response) => {
                  this.$model.msgSuccess("新增成功");
                  this.open = false;
                  this.getList();
                });
              }
            }
          });
        } else {
          this.$model.msgError("轮播设置不能超过5个");
        }
      });
    },
    /** 一键修改 */
    oneEdit(status) {
      listArticle({
        // pageNum: 1,
        // pageSize: 10,
        isCarousel: 1,
        status: 1,
      }).then((res) => {
        let tabSize = res.total;
        if (tabSize < 5 || (tabSize >= 5 && this.form.isCarousel == 0)) {
          this.form.status = status;
          this.form.sort = status === 0 ? 0 : this.form.sort;
          if (this.form.id != null) {
            updateArticle(this.form).then((response) => {
              // this.$model.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          }
        } else {
          this.$model.msgError("轮播设置不能超过5个");
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$confirm('是否确认删除文章编号为"' + ids + '"的数据项?', "警告", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      })
        .then(function () {
          return delArticle(ids);
        })
        .then(() => {
          this.getList();
          this.$model.msgSuccess("删除成功");
        })
        .catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm("是否确认导出所有文章数据项?", "警告", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      })
        .then(() => {
          this.download(
            "/mudu/article/export",
            {
              ...this.queryParams,
            },
            "文章_" + new Date().getTime() + ".xlsx"
          );
          this.exportLoading = false;
        })
        .catch(() => {});
    },
  },
};
</script>
<style lang="scss" scoped>
::v-deep .el-upload--picture-card {
  width: 345px;
  height: 135px;
}
::v-deep .hide {
  width: 345px;
  height: 135px;
}
::v-deep .el-upload-list--picture-card .el-upload-list__item {
  width: 345px;
  height: 135px;
}
.container-main {
  height: calc(100vh - 84px);
  // height: 100%;
  overflow: hidden;
  padding: 0 10px;
}
::v-deep .el-descriptions-row th {
  background: #f5f5f5;
  color: #333;
  font-weight: bold !important;
  width: 16% !important;
}
::v-deep .el-descriptions-row td {
  width: 34% !important;
}

.info-dialog {
  display: flex;
  justify-content: center;
  align-items: Center;
  overflow: hidden;
  .el-dialog {
    margin: 0 auto !important;
    height: 90%;
    overflow: hidden;
    .el-dialog__body {
      position: absolute;
      left: 0;
      top: 54px;
      bottom: 0;
      right: 0;
      padding: 0;
      z-index: 1;
      overflow: hidden;
      overflow-y: auto;
    }

    .info-box {
      height: 80vh;
      overflow-y: auto;

      .pre-phone {
        // width: 330px;
        // height: 570px;
        margin: 0 auto;
        // background-image: url("../../../assets/images/phone_bg.png");
        background-repeat: no-repeat;
        background-size: 100%;
        // padding-top: 80px;
        // padding-bottom: 80px;

        .pre-nav-bar {
          // width: 236px;
          color: white;
          margin: 0 auto;
          background-color: #0856c0;
          text-align: center;
          padding: 10px 10px;
          white-space: nowrap;
          text-overflow: ellipsis;
          overflow: hidden;
        }

        .pre-box {
          // width: 226px;
          // height: 355px;
          margin-left: auto;
          margin-right: auto;
          overflow-y: auto;
          overflow-x: hidden;
          .pre-title {
            // width: 236px;
            color: #000;
            margin: 0 auto;
            text-align: center;
            padding: 10px 10px;
            font-weight: bold;
          }

          .pre-line {
            // width: 236px;
            color: #000;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
          }

          .pre-content {
            ::v-deep p img {
              width: 100%;
            }

            ::v-deep video {
              width: 100%;
            }
          }
        }
      }
    }
  }
}
</style>
