<template>
  <div class="fx-column">
    <div class="notice pb40">*账号信息安全与您本人息息相关，请如实填写</div>
    <div class="fx-column" style="height: 420px; overflow-y:scroll">
      <el-form ref="form" :model="formData" :rules="formRules" :validate-on-rule-change="false" label-position="right"
               label-width="70px">
        <el-row :gutter="20">
          <el-col :span="24">
            <el-form-item prop="username" label="姓 名">
              <el-input type="text" v-model="formData.username" placeholder="请输入姓名"></el-input>
            </el-form-item>
          </el-col>
          <!-- 暂时不需要学年，学年从年级上选择 -->
          <el-col v-if="false" :span="10">
            <el-form-item prop="year" label="学 年">
              <el-select v-model="formData.year" placeholder="请选择学年">
                <el-option v-for="(y, idx) in yearOptions" :key="idx" :label="y" :value="y"></el-option>
              </el-select>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row :gutter="20">
          <el-col :span="isFrontTeacher?14:24">
            <el-form-item prop="schoolId" label="学 校">
              <el-select v-model="formData.schoolId" placeholder="请选择学校" @change="handleSchoolChange" class="width100">
                <el-option-group v-for="(g, index) in groupedSchoolOptions" :key="index" :label="g.label">
                  <el-option v-for="(sc,idx) in g.options" :key="idx" :label="sc.schoolName"
                             :value="sc.schoolId"></el-option>
                </el-option-group>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col v-if="isFrontTeacher" :span="10">
            <el-form-item prop="subjectid" label="科 目">
              <el-select v-model="formData.subjectid" placeholder="请选择科目" class="width100">
                <el-option v-for="(sj,idx) in subjectOptions" :key="idx" :label="sj.label"
                           :value="sj.value"></el-option>
              </el-select>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item v-if="isFrontStudent" prop="sno" label="学 号">
              <el-input type="text" v-model="formData.sno" placeholder="请输入学号"></el-input>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="isFrontStudent" prop="clazzId" label="班 级">
              <el-cascader
                  v-model="formData.clazzId"
                  :disabled="!formData.schoolId"
                  :placeholder="formData.schoolId?'选择年级-班级':'请先选择学校'"
                  :options="classTree"
              ></el-cascader>
            </el-form-item>
          </el-col>
        </el-row>
        <template v-if="isFrontTeacher">
          <!-- 这里的name另外定义了一个，因为内部for循环+v-model方式会引发循环赋值（uni-app的实现问题） -->
          <el-form-item prop="gradeClass" label="年级组">
            <el-cascader
                v-model="formData.gradeClass"
                :disabled="!formData.schoolId"
                :options="classTree"
                :placeholder="formData.schoolId?'选择年级组':'请先选择学校'"
                :props="{multiple:true}"
                class="width100"
            ></el-cascader>
          </el-form-item>
          <el-row :gutter="20">
            <el-col :span="6">
              <el-form-item prop="isHeadteacher" label="班主任">
                <el-switch v-model="formData.isHeadteacher"></el-switch>
              </el-form-item>
            </el-col>
            <el-col :span="18">
              <el-form-item v-if="formData.isHeadteacher" prop="headteacherClassId" label="带 班" required>
                <el-cascader
                    :disabled="!formData.schoolId"
                    :options="classTree"
                    v-model="formData.headteacherClassId"
                    :placeholder="formData.schoolId?'选择年级-班级':'请先选择学校'"
                    :props="{emitPath: false}"
                    class="width100"
                ></el-cascader>
              </el-form-item>
            </el-col>
          </el-row>
        </template>
        <el-row :gutter="20">
          <el-col :span="11">
            <el-form-item prop="phoneNumber" label="手机号">
              <el-input type="text" v-model="formData.phoneNumber" placeholder="请输入手机号码"></el-input>
            </el-form-item>
          </el-col>
          <el-col :span="13">
            <el-form-item prop="code" label="验证码">
              <div class="fx-row fx-bet-cen">
                <el-input type="text" v-model="formData.code" placeholder="请输入验证码" class="fx-1"></el-input>
                <el-button
                    type="primary"
                    class="mx-send"
                    :class="{'inactive':countdown>0}"
                    @click="handleSendSms"
                >{{ countdown > 0 ? `(${countdown})秒` : '获取' }}
                </el-button>
              </div>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div class="fx-row fx-cen-cen pt20 pb40">
        <el-button type="primary" @click="handleSubmit" style="width: 180px" round v-loading="loading">保存</el-button>
      </div>
    </div>
  </div>
</template>

<script>
import auth from '@/utils/auth'
import config from '@/common/mx-config.js'
import transferMixin from '@/components/mx-transfer-mixin.js'
import userValidateMixin from '@/views/components/user-validation-mixin.js'
import { getSubjectsList } from '@/api/webApi/system'
import { getAllGradeClasses } from '@/api/webApi/grade'
import { getAreaSchoolAndYears, improveUserInfo, sendSms, validateSms } from '@/api/login'
import { mapGetters } from 'vuex'

export default {
  mixins: [transferMixin, userValidateMixin],
  data() {
    return {
      formData: {
        username: '',
        // sex: '',
        // region: '',
        year: '',
        gradeId: '',
        clazzId: '',
        subjectid: '',
        phoneNumber: '',
        code: '',
        schoolId: '',
        gradeClass: null,
        //
        sno: '',
        isHeadteacher: false,
        headteacherClassId: ''
      },

      // 选项
      loading: false,
      countdown: 0,
      timer: null,
      sexOptions: config.form.sexOptions,
      schoolOptions: [],
      yearOptions: [],
      subjectOptions: [],
      yesOrNoOptions: config.form.yesOrNoOptions
    }
  },
  computed: {
    ...mapGetters(['isFrontTeacher', 'isFrontStudent']),
    formRules() {
      return this.extractUserRules(this.formData)
    },
    groupedSchoolOptions() {
      return this.schoolOptions.groupBy(
          (sc) => sc.area,
          'label',
          'options'
      )
    }
  },
  mounted() {
    this.loadData()
  },
  beforeDestroy() {
    this.releaseTimer()
  },
  methods: {
    loadData() {
      // 初始可加载学校、学年、科目数据
      getAreaSchoolAndYears().then((res) => {
        this.schoolOptions = res.data.schools
        this.yearOptions = res.data.years
      })
      getSubjectsList().then((res) => {
        this.subjectOptions = res.rows.map((s) => ({
          label: s.subjectname,
          value: s.subjectid
        }))
      })
    },
    reloadClassTree() {
      if (!this.formData.schoolId) return
      getAllGradeClasses({
        schoolId: this.formData.schoolId
      }).then((res) => {
        this.formData.gradeClass = {}
        this.rawClassTree = res.data
        // 挂载动态属性，用于表单校验
        this.rawClassTree.forEach(
            (grade) => (this.formData.gradeClass[grade.name] = [])
        )
      })
    },
    handleSchoolChange(e) {
      this.reloadClassTree()
    },
    handleSendSms() {
      if (this.countdown > 0) return // in lock
      this.$refs.form.clearValidate() // 需要传空数组
      this.$refs.form.validateField(['phoneNumber'], (err) => {
        if (err) return
        this.beginCountDown()
        sendSms({
          mobile: this.formData.phoneNumber,
          smsType: 1
        }).then((res) => {
          this.msgSuccess('验证码已发送')
        })
      })
    },
    handleSubmit() {
      this.$refs.form.validate().then((_) => {
        this.loading = true
        const validateData = {
          mobile: this.formData.phoneNumber,
          code: this.formData.code
        }
        validateSms(validateData)
            .then((_) => {
              // 从formData到提交结构还需要轻微转换
              const postData = this.formDataToPostData(
                  this.formData,
                  this.rawClassTree
              )
              console.log(
                  'sms code valid & will post data',
                  postData
              )
              improveUserInfo(postData)
                  .then((res) => {
                    // reset login token
                    auth.setToken(res.data.token)
                    this.$store.dispatch('GetInfo').then((_) => {
                      // to index page
                      this.$emit('completed')
                    })
                  })
                  .finally(() => this.loading = false)
            })
            .finally(() => this.loading = false)
      })
    },
    beginCountDown() {
      this.releaseTimer()
      this.countdown = 90
      this.timer = setInterval((_) => {
        if (this.countdown == 0) {
          this.releaseTimer()
        } else {
          this.countdown -= 1
        }
      }, 1000)
    },
    releaseTimer() {
      if (this.timer) {
        clearInterval(this.timer)
        this.timer = null
      }
    }
  }
}
</script>

<style scoped>
.notice {
  color: #f88f7b;
  font-size: 26 rpx;
  text-align: center;
}

.mx-send {
  width: 60px;
  margin-left: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.mx-send.inactive {
  background-color: #aaaaaa;
  border-color: #aaaaaa;
}
</style>
