import Icon from '@hackclub/icons'
import { useRef, useState } from 'react'
import {
  Box,
  Label,
  Input,
  Button,
  Text,
  Alert,
  Card,
  Heading,
  Grid,
  Flex,
  Checkbox
} from 'theme-ui'
import { Zoom } from 'react-reveal'

const Loading = () => (
  <Box
    sx={{
      display: 'flex',
      justifyContent: 'center',
      alignItems: 'center',
      height: '100%',
      width: '100%',
      border: '2px solid #f3f3f3',
      borderTop: '2px solid #ec3750',
      borderRadius: '50%',
      width: '10px',
      height: '10px',
      animation: 'spin 2s linear infinite',
      '@keyframes spin': {
        '0%': { transform: 'rotate(0deg)' },
        '100%': { transform: 'rotate(360deg)' }
      }
    }}
  ></Box>
)

const Rsvp = () => {
  const [submitting, setSubmitting] = useState(false)
  const [submitted, setSubmitted] = useState(false)
  const formRef = useRef(null)

  const handleSubmit = async e => {
    e.preventDefault()
    setSubmitting(true)

    await fetch('/api/winter-rsvp', {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json'
      },
      body: JSON.stringify({
        Name: e.target.name.value,
        Email: e.target.email.value,
        Age: e.target.age.checked
      })
    })

    formRef.current.reset()
    setSubmitting(false)

    setSubmitted(true)
  }

  return (
    <Card
      sx={{
        maxWidth: 'narrowPlus',
        mx: 'auto',
        mt: [3, 4],
        background: 'rgb(255,255,255, 0.45)',
        backdropFilter: 'blur(8px)'
      }}
    >
      <Heading as="h2" variant="subheadline" sx={{ mb: 1 }}>
        Get up to $250 to build a hardware project this winter.
      </Heading>
      <Text sx={{ color: 'muted' }}>RSVP to join the event.</Text>
      <Box
        as="form"
        ref={formRef}
        onSubmit={handleSubmit}
        gap={[2, 3]}
        sx={{
          mt: [null, 3],
          textAlign: 'left',
          alignItems: 'end',
          input: { bg: 'sunken' }
        }}
      >
        <Grid sx={{ gridTemplateColumns: '1fr 1fr' }}>
          <div>
            <Label htmlFor="location">Name</Label>
            <Input
              autofillBackgroundColor="highlight"
              type="text"
              name="name"
              id="name"
              placeholder="Fiona Hackworth"
              required
            />
          </div>
          <div>
            <Label htmlFor="email">Email</Label>
            <Input
              autofillBackgroundColor="highlight"
              type="email"
              name="email"
              id="email"
              placeholder="fiona@hackclub.com"
              required
            />
          </div>
        </Grid>

        <Flex sx={{ flexDirection: 'column' }}>
          <Label variant="labelHoriz" sx={{ m: 0, fontSize: 1, pt: 1 }}>
            <Checkbox name="age" defaultChecked={false} />I am a current high
            school student (or younger).
          </Label>
          <br />

          <Button type="submit" sx={{ mt: -3 }}>
            {submitting ? (
              <>
                <Loading />
                &nbsp;RSVP
              </>
            ) : (
              'RSVP'
            )}
          </Button>
        </Flex>
      </Box>

      {submitted && (
        <Alert variant="primary" sx={{ bg: 'green', mt: [2, 3] }}>
          <Icon glyph="send" />
          <Text sx={{ ml: 2 }}>Signed up!</Text>
        </Alert>
      )}
    </Card>
  )
}

export default Rsvp