<template>
  <div class="flexColumnCenterCenter" style="width: 100%; height: 100vh; position: fixed; left: 0; top: 0">
    <div
      style="
        height: 36px;
        font-size: 36px;
        line-height: 1;
        font-weight: bolder;
        letter-spacing: 7px;
        color: #ffffff;
        margin-bottom: 75px;
      "
    >
      某仿真分析方法工具
    </div>
    <div style="width: 917px; height: 445px; position: relative; overflow: hidden" class="flexRowStart">
      <img
        style="position: absolute; left: -10px; top: -8px; z-index: 1; width: 937px; height: 465px"
        :src="bgLogin"
        alt=""
      />
      <div style="width: 524px; height: 100%; position: relative; z-index: 2" class="flexColumnCenterCenter">
        <!-- <img src="@/assets/loginLeft.png" alt="" style="width: 100%;height: 100%;"> -->
      </div>
      <div style="width: 393px; height: 100%; padding: 48px 32px; position: relative; z-index: 3">
        <div class="main">
          <div
            style="
              font-size: 24px;
              line-height: 1;
              font-weight: bolder;
              font-stretch: normal;
              letter-spacing: 5px;
              color: #ffffff;
              margin-bottom: 27px;
            "
          >
            用户登录
          </div>
          <a-form id="formLogin" class="user-layout-login" ref="formLogin" :form="form" @submit="handleSubmit">
            <!-- <a-alert v-if="isLoginError" type="error" showIcon style="margin-bottom: 24px;" :message="$t('user.login.message-invalid-credentials')" /> -->
            <a-form-item>
              <a-input
                size="large"
                type="text"
                placeholder="请输入用户名"
                v-decorator="[
                  'username',
                  {
                    rules: [
                      { required: true, message: $t('user.userName.required') },
                      { validator: handleUsernameOrEmail },
                    ],
                    validateTrigger: 'change',
                  },
                ]"
              >
                <a-icon slot="prefix" type="user" :style="{ color: 'rgba(0,0,0,.25)' }" />
              </a-input>
            </a-form-item>

            <a-form-item>
              <a-input-password
                size="large"
                placeholder="请输入密码"
                v-decorator="[
                  'password',
                  { rules: [{ required: true, message: $t('user.password.required') }], validateTrigger: 'blur' },
                ]"
              >
                <a-icon slot="prefix" type="lock" :style="{ color: 'rgba(0,0,0,.25)' }" />
              </a-input-password>
            </a-form-item>
            <a-form-item>
              <div class="f-item">
                <a-input
                  class="login-ipt"
                  size="large"
                  type="text"
                  placeholder="验证码"
                  v-decorator="[
                    'code',
                    {
                      rules: [{ required: true, message: '请输入验证码' }],
                      validateTrigger: 'change',
                    },
                  ]"
                >
                </a-input>
                <img class="code" :src="codeImg" @click="codeClick" ref="code" alt="更新验证码" />
              </div>
            </a-form-item>

            <!-- <a-form-item>
              <a-checkbox v-decorator="['rememberMe', { valuePropName: 'checked' }]">{{ $t('user.login.remember-me') }}</a-checkbox>
              <router-link
                :to="{ name: 'recover', params: { user: 'aaa'} }"
                class="forge-password"
                style="float: right;"
              >{{ $t('user.login.forgot-password') }}</router-link>
            </a-form-item> -->

            <a-form-item style="margin-top: 16px">
              <a-button
                size="large"
                type="primary"
                htmlType="submit"
                class="login-button"
                :loading="state.loginBtn"
                :disabled="state.loginBtn"
              >
                {{ $t('user.login.login') }}
              </a-button>
            </a-form-item>
          </a-form>

          <two-step-captcha
            v-if="requiredTwoStepCaptcha"
            :visible="stepCaptchaVisible"
            @success="stepCaptchaSuccess"
            @cancel="stepCaptchaCancel"
          ></two-step-captcha>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
// import md5 from 'md5'
import TwoStepCaptcha from '@/components/tools/TwoStepCaptcha'
import { mapActions } from 'vuex'
import { timeFix } from '@/utils/util'
import { getSmsCaptcha } from '@/api/login'

export default {
  components: {
    TwoStepCaptcha,
  },
  data() {
    return {
      bgLogin: require('@/assets/images/user/bg-login.png'),
      customActiveKey: 'tab1',
      loginBtn: false,
      // login type: 0 email, 1 username, 2 telephone
      loginType: 0,
      isLoginError: false,
      requiredTwoStepCaptcha: false,
      stepCaptchaVisible: false,
      form: this.$form.createForm(this),
      state: {
        time: 60,
        loginBtn: false,
        // login type: 0 email, 1 username, 2 telephone
        loginType: 0,
        smsSendBtn: false,
      },
      clientCode: '',
      codeImg: '',
    }
  },
  created() {
    // get2step({ })
    //   .then(res => {
    //     this.requiredTwoStepCaptcha = res.result.stepCode
    //   })
    //   .catch(() => {
    //     this.requiredTwoStepCaptcha = false
    //   })
    // this.requiredTwoStepCaptcha = true
    this.codeClick()
  },
  methods: {
    ...mapActions(['Login', 'Logout']),
    codeClick() {
      this.clientCode = 'c' + Math.random() * 100000000
      this.codeImg = '/api/validateCode?t=' + new Date().getTime() + '&clientCode=' + this.clientCode
    },
    // handler
    handleUsernameOrEmail(rule, value, callback) {
      const { state } = this
      const regex = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\.[a-zA-Z0-9_-]{2,3}){1,2})$/
      if (regex.test(value)) {
        state.loginType = 0
      } else {
        state.loginType = 1
      }
      callback()
    },
    handleTabClick(key) {
      this.customActiveKey = key
      // this.form.resetFields()
    },
    handleSubmit(e) {
      e.preventDefault()
      const {
        form: { validateFields },
        state,
        customActiveKey,
        Login,
      } = this

      state.loginBtn = true

      const validateFieldsKey = customActiveKey === 'tab1' ? ['username', 'password', 'code'] : ['mobile', 'captcha']

      validateFields(validateFieldsKey, { force: true }, (err, values) => {
        if (!err) {
          console.log('login form', values)
          const loginParams = { ...values, clientCode: this.clientCode }
          delete loginParams.username
          loginParams[!state.loginType ? 'email' : 'userName'] = values.username
          loginParams.password = values.password
          Login(loginParams)
            .then((res) => {
              this.loginSuccess(res)
            })
            .catch((err) => {
              this.requestFailed(err)
              console.log(err)
            })
            .finally(() => {
              state.loginBtn = false
            })
        } else {
          setTimeout(() => {
            state.loginBtn = false
          }, 600)
        }
      })
    },
    getCaptcha(e) {
      e.preventDefault()
      const {
        form: { validateFields },
        state,
      } = this

      validateFields(['mobile'], { force: true }, (err, values) => {
        if (!err) {
          state.smsSendBtn = true

          const interval = window.setInterval(() => {
            if (state.time-- <= 0) {
              state.time = 60
              state.smsSendBtn = false
              window.clearInterval(interval)
            }
          }, 1000)

          const hide = this.$message.loading('验证码发送中..', 0)
          getSmsCaptcha({ mobile: values.mobile })
            .then((res) => {
              setTimeout(hide, 2500)
              this.$notification['success']({
                message: '提示',
                description: '验证码获取成功，您的验证码为：' + res.result.captcha,
                duration: 8,
              })
            })
            .catch((err) => {
              setTimeout(hide, 1)
              clearInterval(interval)
              state.time = 60
              state.smsSendBtn = false
              this.requestFailed(err)
            })
        }
      })
    },
    stepCaptchaSuccess() {
      this.loginSuccess()
    },
    stepCaptchaCancel() {
      this.Logout().then(() => {
        this.loginBtn = false
        this.stepCaptchaVisible = false
      })
    },
    loginSuccess(res) {
      console.log(res)
      // check res.homePage define, set $router.push name res.homePage
      // Why not enter onComplete
      /*
      this.$router.push({ name: 'analysis' }, () => {
        console.log('onComplete')
        this.$notification.success({
          message: '欢迎',
          description: `${timeFix()}，欢迎回来`
        })
      })
      */
      this.$router.push({ path: '/' })
      // 延迟 1 秒显示欢迎信息
      setTimeout(() => {
        this.$notification.success({
          message: '欢迎',
          description: `${timeFix()}，欢迎回来`,
        })
      }, 1000)
      this.isLoginError = false
    },
    requestFailed(err) {
      this.isLoginError = true
      this.$notification['error']({
        message: '错误',
        description: ((err.response || {}).data || {}).message || '请求出现错误，请稍后再试',
        duration: 4,
      })
    },
  },
}
</script>

<style lang="less" scoped>
@import '../../assets/bootstrap.css';
#login-wrapper {
  margin: 50px auto 0;
  position: relative;
  z-index: 5;
}
#logo-login {
  background: rgba(48, 65, 96, 0.8);
  border-radius: 3px 3px 0 0;
  color: #ffffff;
  padding: 1px 0 14px 25px;
}
.f-item {
  position: relative;
}
.code {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 52px;
  object-fit: cover;
}
.account-box {
  -moz-border-radius: 0 0 4px 4px;
  -webkit-border-radius: 0 0 4px 4px;
  -khtml-border-radius: 0 0 4px 4px;
  border-radius: 0 0 4px 4px;
  z-index: 3;
  font-size: 13px !important;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  background-color: #ffffff;
  padding: 20px;
}
.user-layout-login {
  label {
    font-size: 14px;
  }

  .getCaptcha {
    display: block;
    width: 100%;
    height: 40px;
  }

  .forge-password {
    font-size: 14px;
  }

  button.login-button {
    padding: 0 15px;
    font-size: 16px;
    height: 40px;
    width: 100%;
    background-image: url(../../assets/images/user/btn-login.png);
    border: none;
    background-position: -2px 0px;
  }

  .user-login-other {
    text-align: left;
    margin-top: 24px;
    line-height: 22px;

    .item-icon {
      font-size: 24px;
      color: rgba(0, 0, 0, 0.2);
      margin-left: 16px;
      vertical-align: middle;
      cursor: pointer;
      transition: color 0.3s;

      &:hover {
        color: #1890ff;
      }
    }

    .register {
      float: right;
    }
  }
}
::v-deep {
  .ant-input {
    height: 52px;
    background-color: #0b293a;
    border: solid 1px #1d5777;
    color: #ffffff;
  }
  .ant-input:-webkit-autofill {
    -webkit-text-fill-color: #fff !important;
    transition: background-color 5000s ease-in-out 0s;
    caret-color: #acfff2;
  }
  .ant-input-prefix .anticon {
    color: #ffffff !important;
  }
  .ant-input-suffix {
    color: #ffffff;
  }
  .ant-input-suffix .anticon:hover {
    color: #ffffffcc;
  }
  .has-error .ant-input:hover {
    background-color: #0b293a;
  }
  .has-error .ant-input-affix-wrapper .ant-input,
  .has-error .ant-input-affix-wrapper .ant-input:hover {
    background-color: #0b293a;
  }
}
</style>
