import React, { useState } from 'react';
import { Button, Form, Grid, Header, Image, Segment } from 'semantic-ui-react';
import { API, showError, showSuccess } from '../helpers';

const PasswordResetForm = () => {
  const [inputs, setInputs] = useState({
    email: '',
  });
  const { email } = inputs;

  const [loading, setLoading] = useState(false);

  function handleChange(e) {
    const { name, value } = e.target;
    setInputs((inputs) => ({ ...inputs, [name]: value }));
  }

  async function handleSubmit(e) {
    if (!email) return;
    setLoading(true);
    const res = await API.get(`/api/reset_password?email=${email}`);
    const { success, message } = res.data;
    if (success) {
      showSuccess('重置邮件发送成功，请检查邮箱！');
      setInputs({ ...inputs, email: '' });
    } else {
      showError(message);
    }
    setLoading(false);
  }

  return (
    <Grid textAlign="center" style={{ marginTop: '48px' }}>
      <Grid.Column style={{ maxWidth: 450 }}>
        <Header as="h2" color="teal" textAlign="center">
          <Image src="/logo.png" /> 密码重置
        </Header>
        <Form size="large">
          <Segment>
            <Form.Input
              fluid
              icon="mail"
              iconPosition="left"
              placeholder="邮箱地址"
              name="email"
              value={email}
              onChange={handleChange}
            />
            <Button
              color="teal"
              fluid
              size="large"
              onClick={handleSubmit}
              loading={loading}
            >
              提交
            </Button>
          </Segment>
        </Form>
      </Grid.Column>
    </Grid>
  );
};

export default PasswordResetForm;