<template>
  <div class="area">
    <el-row :gutter="10">
      <el-col :sm="12" :xs="24">
        <div class="app-container">
          <div class="filter-container">
            <el-input
              v-model="label"
              :placeholder="$t('table.area.label')"
              class="filter-item search-item"
            />
            <el-button
              class="filter-item"
              plain
              type="primary"
              @click="search"
            >{{ $t("table.search") }}
            </el-button>
            <el-button class="filter-item" plain type="warning" @click="reset">
              {{ $t("table.reset") }}
            </el-button>
            <el-button
              v-has-permission="['area:add']" class="filter-item" plain
              type="danger"
              @click="add"
            >
              {{ $t("table.add") }}
            </el-button>
            <el-dropdown
              v-has-any-permission="[ 'area:delete', 'area:export']"
              class="filter-item"
              trigger="click"
            >
              <el-button>
                {{ $t("table.more") }}
                <i class="el-icon-arrow-down el-icon--right"></i>
              </el-button>
              <el-dropdown-menu slot="dropdown">
                <el-dropdown-item
                  v-has-permission="['area:delete']"
                  @click.native="deleteArea"
                >{{ $t("table.delete") }}
                </el-dropdown-item>

              </el-dropdown-menu>
            </el-dropdown>
          </div>
          <el-tree
            ref="areaTree"
            :check-strictly="true"
            :data="areaTree"
            :filter-node-method="filterNode"
            :load="loadTree"
            highlight-current
            node-key="id"
            :lazy="true"
            show-checkbox
            @node-click="nodeClick"
          />
        </div>
      </el-col>
      <el-col :sm="12" :xs="24">
        <el-card class="box-card">
          <div slot="header" class="clearfix">
            <span>{{
              area.id === "" ? this.$t("common.add") : this.$t("common.edit")
            }}</span>
          </div>
          <div>
            <el-form
              ref="form"
              :model="area"
              :rules="rules"
              label-position="right"
              label-width="100px"
            >
              <el-form-item
                :hidden="true"
                :label="$t('table.area.parentId')"
                prop="parentId"
              >
                <el-tooltip
                  :content="$t('tips.topId')"
                  class="item"
                  effect="dark"
                  placement="top-start"
                >
                  <el-input v-model="area.parentId" readonly />
                </el-tooltip>
              </el-form-item>
              <el-form-item
                :label="$t('table.area.parentId')"
                prop="parentLabel"
              >
                <el-input
                  v-model="area.parentLabel"
                  readonly
                  disabled="disabled"
                />
              </el-form-item>
              <el-form-item :label="$t('table.area.label')" prop="label">
                <el-input v-model="area.label" />
              </el-form-item>
              <el-form-item :label="$t('table.area.code')" prop="code">
                <el-input v-model="area.code" />
              </el-form-item>
              <el-form-item :label="$t('table.area.fullName')" prop="fullName">
                <el-input v-model="area.fullName" />
              </el-form-item>
              <el-form-item
                :label="$t('table.area.longitude')"
                prop="longitude"
              >
                <el-input v-model="area.longitude" />
              </el-form-item>
              <el-form-item :label="$t('table.area.latitude')" prop="latitude">
                <el-input v-model="area.latitude" />
              </el-form-item>
              <el-form-item :label="$t('table.area.source')" prop="source">
                <el-input v-model="area.source" />
              </el-form-item>
              <el-form-item :label="$t('table.area.level')" prop="level">
                <el-radio-group
                  v-model="area.level.key"
                  border="true"
                  size="small"
                >
                  <el-radio-button v-for="(item, key, index) in dicts.AREA_LEVEL" :key="index" :label="item" :value="key">
                    {{ item }}
                  </el-radio-button>
                </el-radio-group>
              </el-form-item>

              <el-form-item
                :label="$t('table.area.sortValue')"
                prop="sortValue"
              >
                <el-input-number
                  v-model="area.sortValue"
                  :max="100"
                  :min="0"
                  @change="handleNumChange"
                />
              </el-form-item>
            </el-form>
          </div>
        </el-card>
        <el-card class="box-card" style="margin-top: -2rem;">
          <el-row>
            <el-col :span="24" style="text-align: right">
              <el-button plain type="primary" @click="submit">{{
                area.id === "" ? this.$t("common.add") : this.$t("common.edit")
              }}
              </el-button>
            </el-col>
          </el-row>
        </el-card>
      </el-col>
    </el-row>
  </div>
</template>
<script>
import areaApi from "@/api/Area.js"
import { initDicts } from '@/utils/commons'

export default {
  name: "AreaManager",
  data() {
    return {
      label: "",
      areaTree: [],
      dicts: { AREA_LEVEL: {}},
      area: this.initArea(),
      rules: {
        label: [
          {
            required: true,
            message: this.$t("rules.require"),
            trigger: "blur"
          },
          {
            min: 1,
            max: 255,
            message: this.$t("rules.range3to10"),
            trigger: "blur"
          }
        ],
        code: [
          {
            required: true,
            message: this.$t("rules.require"),
            trigger: "blur"
          },
          {
            min: 1,
            max: 255,
            message: this.$t("rules.range3to10"),
            trigger: "blur"
          },
          {
            validator: (rule, value, callback) => {
              areaApi.check(value, this.area.id).then(response => {
                const res = response.data
                if (res.data) {
                  callback('编码重复')
                } else {
                  callback()
                }
              }).catch(() => callback())
            },
            trigger: "blur"
          }
        ]
      }
    }
  },
  mounted() {
    initDicts('AREA_LEVEL', this.dicts)
  },
  methods: {
    initArea() {
      return {
        id: "",
        code: "",
        label: "",
        parentId: 0,
        parentLabel: "",
        fullName: "",
        longitude: "",
        latitude: "",
        source: "",
        level: {
          key: "PROVINCE"
        },
        sortValue: 0
      }
    },
    initAreaTree(parentId = 0) {
      areaApi.query({ parentId: parentId }).then(response => {
        const res = response.data
        this.areaTree = res.data
      })
    },
    loadTree(node, resolve) {
      areaApi.query({ parentId: node.data.id }).then(response => {
        const res = response.data
        resolve(res.data)
      })
    },
    handleNumChange(val) {
      this.area.sortValue = val
    },
    filterNode(value, data) {
      if (!value) return true
      return data.label.indexOf(value) !== -1
    },
    nodeClick(data) {
      this.area = { ...data }

      const parent = this.$refs.areaTree.getNode(data.parentId)
      if (parent) {
        this.area.parentLabel = parent.label
      }

      this.$refs.form.clearValidate()
    },
    add() {
      this.resetForm()
      const checked = this.$refs.areaTree.getCheckedNodes()
      if (checked.length > 1) {
        this.$message({
          message: this.$t("tips.onlyChooseOne"),
          type: "warning"
        })
      } else if (checked.length > 0) {
        this.area.parentId = checked[0].id
        this.area.parentLabel = checked[0].label
      } else {
        this.area.parentId = 0
        this.area.parentLabel = ""
      }
    },
    deleteArea() {
      const checked = this.$refs.areaTree.getCheckedKeys()
      if (checked.length === 0) {
        this.$message({
          message: this.$t("tips.noNodeSelected"),
          type: "warning"
        })
      } else {
        this.$confirm(
          this.$t("tips.confirmDeleteNode"),
          this.$t("common.tips"),
          {
            confirmButtonText: this.$t("common.confirm"),
            cancelButtonText: this.$t("common.cancel"),
            type: "warning"
          }
        )
          .then(() => {
            areaApi.delete({ ids: checked }).then(response => {
              const res = response.data
              if (res.isSuccess) {
                this.$message({
                  message: this.$t("tips.deleteSuccess"),
                  type: "success"
                })
              }
              this.reset()
            })
          })
          .catch(() => {
            this.$refs.areaTree.setCheckedKeys([])
          })
      }
    },
    search() {
      this.$refs.areaTree.filter(this.label)
    },
    reset() {
      this.initAreaTree()
      this.label = ""
      this.resetForm()
    },
    submit() {
      this.$refs.form.validate(valid => {
        if (valid) {
          if (this.area.id) {
            this.update()
          } else {
            this.save()
          }
        } else {
          return false
        }
      })
    },
    save() {
      areaApi.save({ ...this.area }).then(response => {
        const res = response.data
        if (res.isSuccess) {
          this.$message({
            message: this.$t("tips.createSuccess"),
            type: "success"
          })
        }

        this.reset()
      })
    },
    update() {
      areaApi.update({ ...this.area }).then(response => {
        const res = response.data
        if (res.isSuccess) {
          this.$message({
            message: this.$t("tips.updateSuccess"),
            type: "success"
          })
        }
        this.reset()
      })
    },
    resetForm() {
      this.$refs.form.clearValidate()
      this.$refs.form.resetFields()
      this.area = this.initArea()
    }
  }
}
</script>
<style lang="scss" scoped>
  .area {
    margin: 10px;

    .app-container {
      margin: 0 0 10px 0 !important;
    }
  }

  .el-card.is-always-shadow {
    box-shadow: none;
  }

  .el-card {
    border-radius: 0;
    border: none;

    .el-card__header {
      padding: 10px 20px !important;
      border-bottom: 1px solid #f1f1f1 !important;
    }
  }
</style>
