<template>
  <div class="account-settings-info-view">
    <a-row :gutter="16">
      <a-col :md="24" :lg="16">
        <a-form @submit="handleSubmit" :form="form" layout="vertical">
          <a-form-item>
            <a-input-password placeholder="旧密码" v-decorator="['password', {rules: [{ required: true, message: '请选录入旧密码' }]}]"/>
          </a-form-item>
          <a-popover
            placement="rightTop"
            :trigger="['focus']"
            :getPopupContainer="(trigger) => trigger.parentElement"
            v-model="state.passwordLevelChecked">
            <template slot="content">
              <div :style="{ width: '240px' }" >
                <div :class="['user-register', passwordLevelClass]">强度：<span>{{ passwordLevelName }}</span></div>
                <a-progress :percent="state.percent" :showInfo="false" :strokeColor=" passwordLevelColor " />
                <div style="margin-top: 10px;">
                  <span>请至少输入 6 个字符。请不要使用容易被猜到的密码。</span>
                </div>
              </div>
            </template>
            <a-form-item>
              <a-input-password
                @click="handlePasswordInputClick"
                placeholder="新密码至少6位密码，区分大小写"
                v-decorator="['newPassword', {rules: [{ required: true, message: '新密码至少6位密码，区分大小写'}, { validator: this.handlePasswordLevel }], validateTrigger: ['change', 'blur']}]"
              ></a-input-password>
            </a-form-item>
          </a-popover>

          <a-form-item>
            <a-input-password
              placeholder="重复新密码"
              v-decorator="['rePassword', {rules: [{ required: true, message: '新密码至少6位密码，区分大小写' }, { validator: this.handlePasswordCheck }], validateTrigger: ['change', 'blur']}]"
            ></a-input-password>
          </a-form-item>
          <a-form-item>
            <a-button htmlType="submit" type="primary">修改密码</a-button>
          </a-form-item>
        </a-form>
      </a-col>
    </a-row>
  </div>
</template>

<script>
import { updataPassword } from '@/api/system'

const levelNames = {
  0: '低',
  1: '低',
  2: '中',
  3: '强'
}
const levelClass = {
  0: 'error',
  1: 'error',
  2: 'warning',
  3: 'success'
}
const levelColor = {
  0: '#ff0000',
  1: '#ff0000',
  2: '#ff7e05',
  3: '#52c41a'
}

export default {
  data () {
    return {
      state: {
        passwordLevel: 0,
        passwordLevelChecked: false,
        percent: 10
      },
      form: this.$form.createForm(this)
    }
  },
  computed: {
    passwordLevelClass () {
      return levelClass[this.state.passwordLevel]
    },
    passwordLevelName () {
      return levelNames[this.state.passwordLevel]
    },
    passwordLevelColor () {
      return levelColor[this.state.passwordLevel]
    }
  },
  methods: {
    handlePasswordLevel (rule, value, callback) {
      let level = 0

      // 判断这个字符串中有没有数字
      if (/[0-9]/.test(value)) {
        level++
      }
      // 判断字符串中有没有字母
      if (/[a-zA-Z]/.test(value)) {
        level++
      }
      // 判断字符串中有没有特殊符号
      if (/[^0-9a-zA-Z_]/.test(value)) {
        level++
      }
      this.state.passwordLevel = level
      this.state.percent = level * 30
      if (level >= 2) {
        if (level >= 3) {
          this.state.percent = 100
        }
        callback()
      } else {
        if (level === 0) {
          this.state.percent = 10
        }
        callback(new Error('密码强度不够'))
      }
    },
    handlePasswordCheck (rule, value, callback) {
      const password = this.form.getFieldValue('newPassword')
      if (value === undefined) {
        callback(new Error('请输入密码'))
      }
      if (value && password && value.trim() !== password.trim()) {
        callback(new Error('两次密码不一致'))
      }
      callback()
    },
    handlePasswordInputClick () {
      if (!this.isMobile) {
        this.state.passwordLevelChecked = true
        return
      }
      this.state.passwordLevelChecked = false
    },
    // handler
    handleSubmit (e) {
      e.preventDefault()
      this.form.validateFields((err, values) => {
        if (!err) {
          // eslint-disable-next-line no-console
          console.log('Received values of form: ', values)
          updataPassword(values).then(res => {
            if (res.code === 0) {
              this.$message.success('保存成功')
              this.$emit('ok')
              this.visible = false
            } else {
              this.$message.error(res.msg)
            }
          }).catch(() => {
            this.$message.error('系统错误，请稍后再试')
          }).finally(() => {
            this.confirmLoading = false
          })
        }
      })
    },
    watch: {
      'state.passwordLevel' (val) {
        console.log(val)
      }
    }

  }
}
</script>

<style scoped>

</style>
