<template xmlns:el-col="http://www.w3.org/1999/html">
<el-col>
  <!-- group -->
  <el-col v-if="!sceneMode">
    <el-row class="title-css">
      <span class="title-text">
        {{ $t('chart.datalist') }}
      </span>
    </el-row>
    <el-divider/>

    <el-row>
      <el-button icon="el-icon-circle-plus" type="primary" size="mini" @click="add('group')">
        {{$t('chart.add_group')}}
      </el-button>
      <el-button icon="el-icon-folder-add" type="primary" size="mini" @click="add('scene')">
        {{$t('chart.add_scene')}}
      </el-button>
    </el-row>

    <el-row>
      <el-form>
        <el-form-item class="form-item">
          <el-input
            size="mini"
            :placeholder="$t('chart.search')"
            prefix-icon="el-icon-search"
            v-model="search"
            clearable>
          </el-input>
        </el-form-item>
      </el-form>
    </el-row>

    <el-col class="custom-tree-container">
      <div class="block">
        <el-tree
          :default-expanded-keys="expandedArray"
          :data="data"
          node-key="id"
          :expand-on-click-node="true"
          @node-click="nodeClick">
        <span class="custom-tree-node" slot-scope="{ node, data }">
          <span>
            <span v-if="data.type === 'scene'">
              <el-button
                icon="el-icon-folder"
                type="text"
                size="mini">
              </el-button>
            </span>
            <span style="margin-left: 6px">{{ data.name }}</span>
          </span>
          <span>
            <span @click.stop v-if="data.type ==='group'">
              <el-dropdown trigger="click" @command="clickAdd" size="small">
                <span class="el-dropdown-link">
                  <el-button
                    icon="el-icon-plus"
                    type="text"
                    size="small">
                  </el-button>
                </span>
                <el-dropdown-menu slot="dropdown">
                  <el-dropdown-item icon="el-icon-circle-plus" :command="beforeClickAdd('group',data,node)">
                    {{$t('chart.group')}}
                  </el-dropdown-item>
                  <el-dropdown-item icon="el-icon-folder-add" :command="beforeClickAdd('scene',data,node)">
                    {{$t('chart.scene')}}
                  </el-dropdown-item>
                </el-dropdown-menu>
              </el-dropdown>
            </span>
            <span @click.stop style="margin-left: 12px;">
              <el-dropdown trigger="click" @command="clickMore" size="small">
                <span class="el-dropdown-link">
                  <el-button
                    icon="el-icon-more"
                    type="text"
                    size="small">
                  </el-button>
                </span>
                <el-dropdown-menu slot="dropdown">
                  <el-dropdown-item icon="el-icon-edit-outline" :command="beforeClickMore('rename',data,node)">
                    {{$t('chart.rename')}}
                  </el-dropdown-item>
                  <el-dropdown-item icon="el-icon-delete" :command="beforeClickMore('delete',data,node)">
                    {{$t('chart.delete')}}
                  </el-dropdown-item>
                </el-dropdown-menu>
              </el-dropdown>
            </span>
          </span>
        </span>
        </el-tree>
      </div>
    </el-col>

    <!--group add/edit-->
    <el-dialog :title="dialogTitle" :visible="editGroup" :show-close="false" width="30%">
      <el-form :model="groupForm" :rules="groupFormRules" ref="groupForm">
        <el-form-item :label="$t('commons.name')" prop="name">
          <el-input v-model="groupForm.name"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="close()" size="mini">{{$t('chart.cancel')}}</el-button>
        <el-button type="primary" @click="saveGroup(groupForm)" size="mini">{{$t('chart.confirm')}}</el-button>
      </div>
    </el-dialog>
  </el-col>

  <!--scene-->
  <el-col v-if="sceneMode">
    <el-row class="title-css">
      <span class="title-text">
        {{currGroup.name}}
      </span>
      <el-button icon="el-icon-back" size="mini" @click="back" style="float: right">
        {{$t('chart.back')}}
      </el-button>
    </el-row>
    <el-divider/>
    <el-row>
      <el-button type="primary" size="mini" plain>
        {{$t('chart.add_chart')}}
      </el-button>
    </el-row>
    <el-row>
      <el-form>
        <el-form-item class="form-item">
          <el-input
            size="mini"
            :placeholder="$t('chart.search')"
            prefix-icon="el-icon-search"
            v-model="search"
            clearable>
          </el-input>
        </el-form-item>
      </el-form>
    </el-row>
    <span>{{sceneData}}</span>
    <el-tree
      :data="chartData"
      node-key="id"
      :expand-on-click-node="true"
      @node-click="sceneClick">
        <span class="custom-tree-node" slot-scope="{ node, data }">
          <span>
            <span>({{data.type}})</span>
            <span style="margin-left: 6px">{{ data.name }}</span>
          </span>
          <span>
            <span @click.stop style="margin-left: 12px;">
              <el-dropdown trigger="click" @command="clickMore">
                <span class="el-dropdown-link">
                  <el-button
                    icon="el-icon-more"
                    type="text"
                    size="small">
                  </el-button>
                </span>
                <el-dropdown-menu slot="dropdown">
                  <el-dropdown-item icon="el-icon-edit-outline" :command="beforeClickMore('renameChart',data,node)">
                    {{$t('chart.rename')}}
                  </el-dropdown-item>
                  <el-dropdown-item icon="el-icon-delete" :command="beforeClickMore('deleteChart',data,node)">
                    {{$t('chart.delete')}}
                  </el-dropdown-item>
                </el-dropdown-menu>
              </el-dropdown>
            </span>
          </span>
        </span>
    </el-tree>

    <!--rename chart-->
    <el-dialog :title="$t('chart.table')" :visible="editTable" :show-close="false" width="30%">
      <el-form :model="tableForm" :rules="tableFormRules" ref="tableForm">
        <el-form-item :label="$t('commons.name')" prop="name">
          <el-input v-model="tableForm.name"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="closeTable()" size="mini">{{$t('chart.cancel')}}</el-button>
        <el-button type="primary" @click="saveTable(tableForm)" size="mini">{{$t('chart.confirm')}}</el-button>
      </div>
    </el-dialog>

  </el-col>
</el-col>
</template>

<script>
export default {
  name: "Group",
  data() {
    return {
      sceneMode: false,
      dialogTitle: '',
      search: '',
      editGroup: false,
      editTable: false,
      data: [],
      chartData: [],
      currGroup: null,
      expandedArray: [],
      groupForm: {
        name: '',
        pid: null,
        level: 0,
        type: '',
        children: [],
        sort: 'type desc,name asc'
      },
      tableForm: {
        name: '',
        sort: 'type asc,create_time desc,name asc'
      },
      groupFormRules: {
        name: [
          {required: true, message: this.$t('commons.input_content'), trigger: 'blur'},
        ],
      },
      tableFormRules: {
        name: [
          {required: true, message: this.$t('commons.input_content'), trigger: 'blur'},
        ],
      }
    }
  },
  computed: {
    sceneData: function () {
      this.chartTree();
      return this.$store.state.chart.sceneData;
    }
  },
  mounted() {
    this.groupTree(this.groupForm);
    this.chartTree();
    this.$router.push('/chart');
  },
  activated() {
    this.groupTree(this.groupForm);
    this.chartTree();
    this.$router.push('/chart');
  },
  watch: {
  },
  methods: {
    clickAdd(param) {
      this.add(param.type);
      this.groupForm.pid = param.data.id;
      this.groupForm.level = param.data.level + 1;
    },

    beforeClickAdd(type, data, node) {
      return {
        'type': type,
        'data': data,
        'node': node
      }
    },

    clickMore(param) {
      switch (param.type) {
        case 'rename':
          this.add(param.data.type);
          this.groupForm = JSON.parse(JSON.stringify(param.data));
          break;
        case 'move':

          break;
        case 'delete':
          this.delete(param.data);
          break;
        case 'renameChart':
          this.editTable = true;
          this.tableForm = JSON.parse(JSON.stringify(param.data));
          break;
        case 'deleteChart':
          this.deleteChart(param.data);
          break;
      }
    },

    beforeClickMore(type, data, node) {
      return {
        'type': type,
        'data': data,
        'node': node
      }
    },

    add(type) {
      switch (type) {
        case 'group':
          this.dialogTitle = this.$t('chart.group');
          break;
        case 'scene':
          this.dialogTitle = this.$t('chart.scene');
          break;
      }
      this.groupForm.type = type;
      this.editGroup = true;
    },

    saveGroup(group) {
      this.$refs['groupForm'].validate((valid) => {
        if (valid) {
          this.$post("/chart/group/save", group, response => {
            this.close();
            this.$message({
              message: this.$t('commons.save_success'),
              type: 'success',
              showClose: true,
            });
            this.tree(this.groupForm);
          })
        } else {
          this.$message({
            message: this.$t('commons.input_content'),
            type: 'error',
            showClose: true,
          });
          return false;
        }
      });
    },

    saveTable(table) {
      this.$refs['tableForm'].validate((valid) => {
        if (valid) {
          this.$post("/chart/table/update", table, response => {
            this.closeTable();
            this.$message({
              message: this.$t('commons.save_success'),
              type: 'success',
              showClose: true,
            });
            this.chartTree();
            this.$router.push('/chart/home');
            this.$store.commit('setTable', null);
          })
        } else {
          this.$message({
            message: this.$t('commons.input_content'),
            type: 'error',
            showClose: true,
          });
          return false;
        }
      });
    },

    delete(data) {
      this.$confirm(this.$t('chart.confirm_delete'), this.$t('chart.tips'), {
        confirmButtonText: this.$t('chart.confirm'),
        cancelButtonText: this.$t('chart.cancel'),
        type: 'warning'
      }).then(() => {
        this.$post("/chart/group/delete/" + data.id, null, response => {
          this.$message({
            type: 'success',
            message: this.$t('chart.delete_success'),
            showClose: true,
          });
          this.groupTree(this.groupForm);
        });
      }).catch(() => {
      });
    },

    deleteChart(data) {
      this.$confirm(this.$t('chart.confirm_delete'), this.$t('chart.tips'), {
        confirmButtonText: this.$t('chart.confirm'),
        cancelButtonText: this.$t('chart.cancel'),
        type: 'warning'
      }).then(() => {
        this.$post("/chart/table/delete/" + data.id, null, response => {
          this.$message({
            type: 'success',
            message: this.$t('chart.delete_success'),
            showClose: true,
          });
          this.chartTree();
          this.$router.push('/chart/home');
          this.$store.commit('setTable', null);
        });
      }).catch(() => {
      });
    },

    close() {
      this.editGroup = false;
      this.groupForm = {
        name: '',
        pid: null,
        level: 0,
        type: '',
        children: [],
        sort: 'type desc,name asc'
      }
    },

    closeTable() {
      this.editTable = false;
      this.tableForm = {
        name: '',
      }
    },

    groupTree(group) {
      this.$post("/chart/group/tree", group, response => {
        this.data = response.data;
      })
    },

    chartTree() {
      this.chartData = [];
      if (this.currGroup) {
        this.$post('/chart/table/list', {
          sort: 'type asc,create_time desc,name asc',
          sceneId: this.currGroup.id
        }, response => {
          this.chartData = response.data;
        });
      }
    },

    nodeClick(data, node) {
      if (data.type === 'scene') {
        this.sceneMode = true;
        this.currGroup = data;
      }
      if (node.expanded) {
        this.expandedArray.push(data.id);
      } else {
        let index = this.expandedArray.indexOf(data.id);
        if (index > -1) {
          this.expandedArray.splice(index, 1);
        }
      }
    },

    back() {
      this.sceneMode = false;
      this.$router.push('/chart/home');
    },

    beforeClickAddData(type) {
      return {
        'type': type
      }
    },

    addDB() {
      this.$router.push({
        name: 'add_db',
        params: {
          scene: this.currGroup
        }
      })
    },

    sceneClick(data, node) {
      // this.$store.commit('setChart', data.id);
      // this.$router.push({
      //   name: 'ChartGroup',
      //   params: {
      //     table: data
      //   }
      // });
    },

  },
}
</script>

<style scoped>
  .el-divider--horizontal {
    margin: 12px 0
  }

  .search-input {
    padding: 12px 0;
  }

  .custom-tree-node {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 14px;
    padding-right: 8px;
  }

  .custom-position {
    flex: 1;
    display: flex;
    align-items: center;
    font-size: 14px;
    flex-flow: row nowrap;
  }

  .form-item {
    margin-bottom: 0;
  }

  .title-css {
    height: 26px;
  }

  .title-text {
    line-height: 26px;
  }
</style>
