<template>
  <div class="main-form">
    <el-form
      ref="dataForm"
      :label-position="labelPosition"
      :rules="rules"
      :model="wellForm"
      label-width="120px"
    >
      <el-row :gutter="20">
        <el-col :span="9">
          <el-form-item label="井名称" prop="wellName">
            <el-input
              v-model.trim="wellForm.wellName"
              type="text"
              placeholder="必填"
            />
          </el-form-item>
        </el-col>
        <el-col :span="9" :offset="3">
          <el-form-item label="井编号" prop="wellCode">
            <el-input
              v-model.trim="wellForm.wellCode"
              type="text"
              placeholder="必填"
            />
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="20">
        <el-col :span="9">
          <el-form-item label="井类型" prop="wellType">
            <el-select
              v-model="wellForm.wellType"
              placeholder="选择井类型"
              clearable
            >
              <el-option
                v-for="item in wellTypeList"
                :key="item.value"
                :label="item.name"
                :value="item.value"
              />
            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="9" :offset="3">
          <el-form-item label="权属单位" prop="deptid">
            <dept-select
              v-model="wellForm.deptid"
              :need-top="deptShowTop"
              :dept-show="deptShow"
              dept-type="03"
              placeholder="选择权属单位"
            />
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="20">
        <el-col :span="9">
          <el-form-item label="井深(m)" prop="deep">
            <el-input
              v-model.trim="wellForm.deep"
              type="text"
              placeholder="需要装液位监测仪的井必填"
            />
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="20">
        <el-col :span="9">
          <el-form-item label="经度" prop="coordinateX">
            <el-input
              v-model.trim="wellForm.coordinateX"
              type="text"
              placeholder="必填"
            />
          </el-form-item>
        </el-col>
        <el-col :span="9" :offset="3">
          <el-form-item label="纬度" prop="coordinateY">
            <el-input
              v-model.trim="wellForm.coordinateY"
              type="text"
              placeholder="必填"
            />
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="20">
        <el-col :span="24">
          <el-form-item label="路标图片" prop="images">
            <el-upload
              ref="upload"
              :before-upload="handleBeforeUpload"
              :on-preview="handlePictureCardPreview"
              :on-remove="handleRemove"
              :on-exceed="handleExceed"
              :on-change="handleChange"
              :on-success="handleSuccess"
              :limit="4"
              :class="{ hide: hideUpload }"
              :http-request="uploadFile"
              action="string"
              multiple
              accept=".jpg,.jpeg,.png "
              list-type="picture-card"
            >
              <i class="el-icon-plus"/>
            </el-upload>
            <el-dialog
              :visible.sync="dialogVisible"
              title="图片预览"
              append-to-body
            >
              <div class="imgBox">
                <img :src="dialogImageUrl" max-height="400px;" alt="" style="margin: 0 auto">
              </div>
            </el-dialog>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="2">
        <el-form-item label="所在区域" required>
          <el-col :span="5">
            <el-form-item prop="city">
              <el-select v-model="wellForm.city" :disabled="showArea" placeholder="一级分区" clearable>
                <el-option
                  v-for="item in cityList"
                  :key="item.id"
                  :label="item.name"
                  :value="item.id"/>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="5">
            <el-form-item prop="qu">
              <el-select v-model="wellForm.qu" :disabled="showArea" placeholder="二级分区" clearable>
                <el-option
                  v-for="item in quList"
                  :key="item.id"
                  :label="item.name"
                  :value="item.id"/>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="5">
            <el-form-item prop="area">
              <el-select v-model="wellForm.area" :disabled="showArea" placeholder="三级分区" clearable>
                <el-option
                  v-for="item in jiedaoList"
                  :key="item.id"
                  :label="item.name"
                  :value="item.id"/>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="5">
            <el-form-item label="" prop="position">
              <el-input
                v-model.trim="wellForm.position"
                type="text"
                placeholder="详细地址, 选填"
              />
            </el-form-item>
          </el-col>
        </el-form-item>
      </el-row>
      <el-row :gutter="20">
        <el-col :span="9">
          <el-form-item label="井维护机构" prop="responsibleDept">
            <el-select
              v-model="wellForm.responsibleDept"
              :disabled="showResponseDept"
              placeholder="选择维护组织，不选默认为权属单位"
              clearable
            >
              <el-option
                v-for="item in secondDeptTreeList"
                :key="item.id"
                :label="item.name"
                :value="item.id"
              />
            </el-select>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="20">
        <el-col :span="15" style="margin-left: 120px; margin-bottom: 40px">
          <el-button size="medium" @click="resetForm"> 重置</el-button>
          <el-button
            type="primary"
            size="medium"
            style="margin-left: 10px"
            @click="saveData"
          >
            保存
          </el-button>
        </el-col>
      </el-row>
    </el-form>
  </div>
</template>

<script>
  import {toTreeList} from '@/utils/structure'
  import SelectTree from '@/components/SelectTree/singleSelect'
  import {getDeptTreeList} from '@/api/system/dept'
  import {getAreaList, getAreaByDept} from '@/api/system/area'
  import {getWellType, addWell} from '@/api/well'
  import {Uploadimg} from '@/api/common'
  import DeptSelect from '@/components/DeptSelect'
  import AreaSelectTree from '@/components/AreaSelect/areaSelectTree'

  export default {
    name: 'AddWell',
    components: {SelectTree, DeptSelect, AreaSelectTree},
    data() {
      const validateDeep = (rule, value, callback) => {
        if (value !== '') {
          if (/^[+]{0,1}(\d+)$|^[+]{0,1}(\d+\.\d+)$/.test(value) === false) {
            callback(new Error('请填写大于0的数字'))
          } else {
            const deep = parseFloat(value)
            if (deep > 10 || deep < 0) {
              callback(new Error('请填写0到10数值'))
            } else {
              callback()
            }
          }
        } else {
          callback()
        }
      }
      const validateLng = (rule, value, callback) => {
        if (value !== '') {
          if (/^[+]{0,1}(\d+)$|^[+]{0,1}(\d+\.\d+)$/.test(value) === false) {
            callback(new Error('请填写大于0的数字'))
          } else {
            callback()
          }
        } else {
          callback(new Error('经度不能为空'))
        }
      }
      const validateLat = (rule, value, callback) => {
        if (value !== '') {
          if (/^[+]{0,1}(\d+)$|^[+]{0,1}(\d+\.\d+)$/.test(value) === false) {
            callback(new Error('请填写大于0的数字'))
          } else {
            callback()
          }
        } else {
          callback(new Error('纬度不能为空'))
        }
      }
      return {
        dialogFormVisible: false, // 对话框是否显示
        dialogStatus: '', // 对话框类型：create,update
        node: null,
        wellForm: {
          wellCode: '', // 井编号
          wellName: '', // 井名称
          wellType: '', // 井类型
          deptid: '1148031048115494913', // 权属单位
          deep: '', // 井深，
          position: '', // 位置描述
          coordinateX: '', // 经度
          coordinateY: '', // 纬度
          photos: '', // 照片路径
          notes: '', // 备注,
          city:'',
          qu: '',
          area: '', // 街道
          responsibleDept: '' // 维护人员部门
        }, // 表单
        deptProps: {
          parent: 'pid',
          value: 'id',
          label: 'name',
          children: 'children'
        },
        hideUpload: false,
        fileList: [],
        imageList: [],
        deptTreeList: null, // 组织树列表数据
        secondDeptTreeList: null, // 二级组织树列表
        wellTypeList: null,
        cityList: [], // 一级
        quList: [], // 二级
        jiedaoList: [], // 三级
        textMap: {
          update: '编辑',
          create: '新增'
        }, // 表头显示标题
        rules: {
          wellCode: [{required: true,message: '井编号不能为空',trigger: ['blur', 'change']}],
          wellName: [{required: true, message: '井名称不能为空', trigger: ['blur', 'change']}],
          position: [{required: false, message: '井详细地址不能为空', trigger: ['blur', 'change']}],
          deep: [{required: false, trigger: ['blur', 'change'], validator: validateDeep}],
          coordinateX: [{required: true,trigger: ['blur', 'change'], validator: validateLat}],
          coordinateY: [{required: true, trigger: ['blur', 'change'], validator: validateLng}],
          deptid: [{required: true, message: '组织机构必选', trigger: 'change'}],
          wellType: [{required: true, message: '井类型必选', trigger: 'change'}],
          city: [{required: true, message: '一级分区必选', trigger: 'change'}],
          qu: [{required: true, message: '二级分区必选', trigger: 'change'}],
          area: [{required: true, message: '三级分区必选', trigger: 'change'}]
        },
        uploadPath: process.env.BASE_API + '/imageUpload', // 图片上传路径
        dialogImageUrl: '',
        dialogVisible: false,
        labelPosition: 'right',
        responseAssignShow: false,
        deptShowTop: false, // 权属单位下拉是否显示顶级
        deptShow: true
      }
    },
    computed: {
      showResponseDept() {
        if (this.wellForm.deptid === '') {
          return true
        } else {
          if (this.secondDeptTreeList && this.secondDeptTreeList.length >= 1) {
            return false
          } else {
            return true
          }
        }
      },
      showArea() {
        if (this.wellForm.deptid === '') {
          return true
        } else {
          return false
        }
      },
      firstDept() {
        // 获取权属单位
        return this.wellForm.deptid
      },
      qu() {
        // 获取区
        return this.wellForm.qu
      }
    },
    watch: {
      firstDept(val) {
        // 监控权属单位变化
        if (val !== '') {
          this.wellForm.qu = ''
          this.wellForm.area = ''
          this.wellForm.responsibleDept = ''
          this.fetchSecondDeptTree()
          this.fetchArea0()
        }
      },
      'wellForm.city'(val) {
        // 监控市变化
        if (val !== '') {
          this.wellForm.qu = ''
          this.wellForm.area = ''
          this.fetchArea1()
        }
      },
      'wellForm.qu'(val) {
        // 监控区变化
        if (val !== '') {
          this.wellForm.area = ''
          this.fetchArea2()
        }
      }
    },
    created () {
      this.fetchWellType()
      this.fetchArea0()
      this.imageList = []
      this.fileList = []
    },
    methods: {
      // 加载组织机构树形下拉菜单
      fetchSecondDeptTree: function () {
        const listQuery = {
          pid: this.wellForm.deptid,
          deptType: '04'
        }
        getDeptTreeList(listQuery).then((response) => {
          console.log(response.data)
          if (response.data.list) {
            this.secondDeptTreeList = toTreeList(
              response.data.list,
              this.wellForm.deptid
            )
          }
        })
      },
      // 获取井类型
      fetchWellType() {
        getWellType().then((response) => {
          this.wellTypeList = []
          const wellTypes = this.$store.getters.wellTypes
          for (const wellType of response.data) {
            if (wellTypes.indexOf(wellType.value) !== -1) {
              this.wellTypeList.push(wellType)
            }
          }
          this.wellForm.wellType='1'
          if (this.wellTypeList.length <= 1) {
            this.showWellType = false
          }
        })
      },
      // 获取一级分区
      fetchArea0() {
        getAreaByDept(this.wellForm.deptid).then((response) => {
          if (response.code === 200) {
            const pid = response.data.area
            getAreaList(pid).then((response) => {
              this.cityList = response.data
            })
          }
        })
      },
      // 获取区域1
      fetchArea1() {
        getAreaList(this.wellForm.city).then((response) => {
          this.quList = response.data
        })
      },
      // 获取区域2
      fetchArea2() {
        getAreaList(this.wellForm.qu).then((response) => {
          this.jiedaoList = response.data
        })
      },
      // 取消
      cancel() {
        this.dialogFormVisible = false
        this.fileList = []
        // 清除验证
        this.$nextTick(() => {
          this.$refs['dataForm'].clearValidate()
        })
      },
      // 重置表单
      resetForm() {
        this.wellForm = {
          wellCode: '', // 井编号
          wellName: '', // 井名称
          wellType: '', // 井类型
          deptid: '', // 权属单位
          deep: '', // 井深，
          position: '', // 位置描述
          coordinateX: '', // 经度
          coordinateY: '', // 纬度
          photos: '', // 照片路径
          notes: '', // 备注,
          qu: '',
          area: '', // 街道
          responsibleDept: '' // 维护人员部门
        }
        // 清空上传图片
        this.$refs.upload.clearFiles()
        this.fileList = []
        this.imageList = []
        this.hideUpload = this.fileList.length >= 4
        // 清除验证
        this.$nextTick(() => {
          this.$refs['dataForm'].clearValidate()
        })
      },
      // 保存数据
      saveData: function () {
        this.wellForm.photos = ''
        const count = this.fileList.length < 4 ? this.fileList.length : 4
        for (let i = 0; i < count; i++) {
          const image = this.fileList[i]
          this.wellForm.photos += image.url + ';'
        }
        // 如果责任部门不选，则用权属作为责任部门
        if (this.wellForm.responsibleDept === '') {
          if (this.secondDeptTreeList && this.secondDeptTreeList.length > 0) {
            this.$message.warning('必须选择维护机构')
            return
          } else {
            this.wellForm.responsibleDept = this.wellForm.deptid
          }
        }
        this.$refs['dataForm'].validate((valid) => {
          if (valid) {
            addWell(this.wellForm).then((response) => {
              console.log('新增井')
              if (response.code === 200) {
                this.$message.success('新增成功!')
                this.resetForm()
              }
            })
          }
        })
      },
      // 图片上传
      uploadFile(file) {
        console.log('uploadFile:' + file.file.name)
        // const base_url = process.env.BASE_API + '/static/'
        Uploadimg(file).then((res) => {
          if (res.code === 200) {
            this.fileList.push({name: file.file.name, url: res.data})
          }
        })
      },
      // 上传前判断文件格式及大小
      handleBeforeUpload(file) {
        const isJPG = file.type === 'image/jpeg' || file.type === 'image/png'
        let res = true
        const isLt2M = file.size / 1024 / 1024 < 5
        if (!isJPG) {
          this.$message.error('上传图片只能是 JPG 或 PNG 格式!')
          res = false
        }
        if (!isLt2M) {
          this.$message.error('上传图片大小不能超过 5MB!')
          res = false
        }
        for (const i in this.fileList) {
          if (this.fileList[i].name === file.name) {
            this.$message.error('该图片已上传过，请选择其他图片')
            res = false
          }
        }
        return res
      },
      // 文件列表移除文件时的钩子
      handleRemove(file, fileList) {
        console.log('handleRemove')
        for (const i in this.fileList) {
          if (this.fileList[i].name === file.name) {
            this.fileList.splice(i, 1)
            this.hideUpload = this.fileList.length >= 4
            return
          }
        }
        this.handleChange()
      },
      // 限制提示
      handleExceed(files, fileList) {
        console.log('handleExceed')
        this.$message.warning(
          `限制选择 4 张图片，本次选择了 ${files.length} 张图片，共选择了 ${
          files.length + fileList.length
            } 张图片`
        )
      },
      // 点击文件列表中已上传的文件时的钩子
      handlePictureCardPreview(file) {
        console.log('handlePictureCardPreview')
        this.dialogImageUrl = file.url
        this.dialogVisible = true
      },
      handleChange(file, fileList) {
        console.log('handleChange')
        if (fileList) {
          this.hideUpload = fileList.length >= 4
        } else {
          this.hideUpload = false
        }
      },
      handleSuccess(response, file, fileList) {
        console.log('handleSuccess')
        const base_url = process.env.BASE_API + '/static/'
        if (response.code === 200) {
          this.fileList.push({
            name: file.file.name,
            url: base_url + response.data
          })
          this.handleChange()
        } else {
          this.$message.warning(response.message)
        }
      }
    }
  }
</script>

<style rel="stylesheet/scss" lang="scss">
  .hide .el-upload--picture-card {
    display: none;
  }

  .main-form {
    background-color: white;
    padding: 20px 30px;
    /*padding: 10px;*/
  }

  .el-dialog {
    width: 700px;
  }

  .el-select {
    width: 100%;
  }

  .line {
    width: 50px;
    margin-left: 5px;
  }

  .hide .el-upload-–picture-card {
    display: none;
  }

  .imgBox {
    width: 100%;
    text-align: center;
  }
</style>