//flow
import React, { Component } from 'react';
import translate from 'translations';
import bityConfig from 'config/bity';

export type Props = {
  destinationKind: string,
  destinationAddress: string,
  outputTx: string,
  originKind: string,
  orderStatus: string,
  // actions
  showNotification: Function
};

export default class SwapProgress extends Component {
  constructor(props) {
    super(props);
    this.state = {
      hasShownViewTx: false
    };
  }

  props: Props;

  componentDidMount() {
    this.showNotification();
  }

  showNotification = () => {
    const { hasShownViewTx } = this.state;
    const {
      destinationKind,
      outputTx,
      showNotification,
      orderStatus
    } = this.props;

    if (orderStatus === 'FILL') {
      if (!hasShownViewTx) {
        let linkElement;
        let link;
        // everything but BTC is a token
        if (destinationKind !== 'BTC') {
          link = bityConfig.ethExplorer.replace('[[txHash]]', outputTx);
          linkElement = `<a href="${link}" target='_blank' rel='noopener'> View your transaction </a>`;
          // BTC uses a different explorer
        } else {
          link = bityConfig.btcExplorer.replace('[[txHash]]', outputTx);
          linkElement = `<a href="${link}" target='_blank' rel='noopener'> View your transaction </a>`;
        }
        this.setState({ hasShownViewTx: true }, () => {
          showNotification('success', linkElement);
        });
      }
    }
  };

  computedClass = (step: number) => {
    const { orderStatus } = this.props;

    let cssClass = 'progress-item';

    switch (orderStatus) {
      case 'OPEN':
        if (step < 2) {
          return cssClass + ' progress-true';
        } else if (step === 2) {
          return cssClass + ' progress-active';
        } else {
          return cssClass;
        }
      case 'RCVE':
        if (step < 4) {
          return cssClass + ' progress-true';
        } else if (step === 4) {
          return cssClass + ' progress-active';
        } else {
          return cssClass;
        }
      case 'FILL':
        cssClass += ' progress-true';
        return cssClass;
      case 'CANC':
        return cssClass;
      default:
        return cssClass;
    }
  };

  render() {
    const { destinationKind, originKind } = this.props;

    const numberOfConfirmations = originKind === 'BTC' ? '3' : '10';
    return (
      <section className="row swap-progress">
        <div className="sep" />

        <div className={this.computedClass(1)}>
          <div className="progress-circle">
            <i>1</i>
          </div>
          <p>
            {translate('SWAP_progress_1')}
          </p>
        </div>
        <div className={this.computedClass(2)}>
          <div className="progress-circle">
            <i>2</i>
          </div>
          <p>
            <span>{translate('SWAP_progress_2')}</span>
            {originKind}...
          </p>
        </div>
        <div className={this.computedClass(3)}>
          <div className="progress-circle">
            <i>3</i>
          </div>
          <p>
            {originKind} <span>{translate('SWAP_progress_3')}</span>
          </p>
        </div>
        <div className={this.computedClass(4)}>
          <div className="progress-circle">
            <i>4</i>
          </div>
          <p>
            <span>Sending your </span>
            {destinationKind}
            <br />
            <small>
              Waiting for {numberOfConfirmations} confirmations...
            </small>
          </p>
        </div>
        <div className={this.computedClass(5)}>
          <div className="progress-circle">
            <i>5</i>
          </div>
          <p>Order Complete</p>
        </div>
      </section>
    );
  }
}