import React, { Component } from 'react'

import { Arrow } from '../nav/viewer.icons'

const initialState = {
  email: "",
  agreed: false,
  subscribed: false,
}

export default class SubscriptionForm extends Component {
  state = {
    ...initialState
  }
  constructor(props) {
    super(props)
    this.handleChange = this.handleChange.bind(this)
    this.handleKeyDown = this.handleKeyDown.bind(this)
    this.handleSubmit = this.handleSubmit.bind(this)
    this.handleCheckbox = this.handleCheckbox.bind(this)
    this.handleReset = this.handleReset.bind(this)
  }
  handleChange(e) {
    this.setState({ email: e.target.value })
  }
  handleCheckbox(e) {
    this.setState({ agreed: e.target.checked })
  }
  handleKeyDown(e) {
    // disable tab
    if (e.keyCode === 9) {
      e.preventDefault()
    }
  }
  handleSubmit(e) {
    e.preventDefault()
    if (!this.state.agreed) {
      return
    }
    this.setState({ subscribed: true })
  }
  handleReset(e) {
    this.setState({ ...initialState })
  }
  render() {
    return (
      <form
        className={this.state.subscribed ? "subscription-form subscribed" : "subscription-form"}
        onSubmit={this.handleSubmit}
      >
        <div className="subscription-callout">
          Subscribe to e-flux and get notified when the next episode is available.
        </div>
        <div className="subscription-row">
          <input
            type="email"
            name="email"
            value={this.state.email}
            placeholder="Email address here"
            autoCorrect="off"
            autoCapitalize="off"
            spellCheck="false"
            onKeyDown={this.handleKeyDown}
            onChange={this.handleChange}
          />
          <button className="subscription-submit" onClick={this.handleSubmit}>
            {'Submit '}
            <Arrow type='right' />
          </button>
        </div>
        <label className="subscription-privacy checkbox">
          <input
            type="checkbox"
            checked={this.state.agreed}
            onChange={this.handleCheckbox}
          />
          <span>
            {"I have read e-flux’s privacy policy "}
            {"and agree that e-flux may send me announcements to the email address "}
            {"entered above and that my data will be processed for this "}
            {"purpose in accordance with e-flux’s "}
            <a href="/privacy">privacy policy.</a>
          </span>
        </label>
        <div className="subscription-thanks">
          Thanks! You will receive an email soon confirming your subscription.
          <br />
          <button className="subscription-reset" onClick={this.handleReset}>OK</button>
        </div>
      </form>
    )
  }
}