import PropTypes from 'prop-types';
import React from 'react';
import InlineSVG from 'react-inlinesvg';
import classNames from 'classnames';
import { Console as ConsoleFeed } from 'console-feed';
import { CONSOLE_FEED_WITHOUT_ICONS, CONSOLE_FEED_LIGHT_STYLES, CONSOLE_FEED_DARK_STYLES, CONSOLE_FEED_CONTRAST_STYLES } from '../../../styles/components/_console-feed.scss';
import warnLightUrl from '../../../images/console-warn-light.svg';
import warnDarkUrl from '../../../images/console-warn-dark.svg';
import errorLightUrl from '../../../images/console-error-light.svg';
import errorDarkUrl from '../../../images/console-error-dark.svg';
import debugLightUrl from '../../../images/console-debug-light.svg';
import debugDarkUrl from '../../../images/console-debug-dark.svg';
import infoLightUrl from '../../../images/console-info-light.svg';
import infoDarkUrl from '../../../images/console-info-dark.svg';

const upArrowUrl = require('../../../images/up-arrow.svg');
const downArrowUrl = require('../../../images/down-arrow.svg');

class Console extends React.Component {
  componentDidUpdate(prevProps) {
    this.consoleMessages.scrollTop = this.consoleMessages.scrollHeight;
    if (this.props.theme !== prevProps.theme) {
      this.props.clearConsole();
      this.props.dispatchConsoleEvent(this.props.consoleEvents);
    }

    if (this.props.fontSize !== prevProps.fontSize) {
      this.props.clearConsole();
      this.props.dispatchConsoleEvent(this.props.consoleEvents);
    }
  }

  getConsoleFeedStyle(theme, times) {
    const style = {};
    const CONSOLE_FEED_LIGHT_ICONS = {
      LOG_WARN_ICON: `url(${warnLightUrl})`,
      LOG_ERROR_ICON: `url(${errorLightUrl})`,
      LOG_DEBUG_ICON: `url(${debugLightUrl})`,
      LOG_INFO_ICON: `url(${infoLightUrl})`
    };
    const CONSOLE_FEED_DARK_ICONS = {
      LOG_WARN_ICON: `url(${warnDarkUrl})`,
      LOG_ERROR_ICON: `url(${errorDarkUrl})`,
      LOG_DEBUG_ICON: `url(${debugDarkUrl})`,
      LOG_INFO_ICON: `url(${infoDarkUrl})`
    };
    const CONSOLE_FEED_SIZES = {
      BASE_FONT_SIZE: this.props.fontSize,
      TREENODE_LINE_HEIGHT: 1.5,
      ARROW_FONT_SIZE: this.props.fontSize,
      LOG_ICON_WIDTH: `${this.props.fontSize}px`,
      LOG_ICON_HEIGHT: `${this.props.fontSize}px`,
    };

    if (times > 1) {
      Object.assign(style, CONSOLE_FEED_WITHOUT_ICONS);
    }
    switch (theme) {
      case 'light':
        return Object.assign(CONSOLE_FEED_LIGHT_STYLES, CONSOLE_FEED_LIGHT_ICONS, CONSOLE_FEED_SIZES, style);
      case 'dark':
        return Object.assign(CONSOLE_FEED_DARK_STYLES, CONSOLE_FEED_DARK_ICONS, CONSOLE_FEED_SIZES, style);
      case 'contrast':
        return Object.assign(CONSOLE_FEED_CONTRAST_STYLES, CONSOLE_FEED_DARK_ICONS, CONSOLE_FEED_SIZES, style);
      default:
        return '';
    }
  }

  formatData(args) {
    if (!Array.isArray(args)) {
      return Array.of(args);
    }
    return args;
  }

  render() {
    const consoleClass = classNames({
      'preview-console': true,
      'preview-console--collapsed': !this.props.isExpanded
    });

    return (
      <div className={consoleClass} role="main" title="console">
        <div className="preview-console__header">
          <h2 className="preview-console__header-title">Console</h2>
          <div className="preview-console__header-buttons">
            <button className="preview-console__clear" onClick={this.props.clearConsole} aria-label="clear console">
              Clear
            </button>
            <button
              className="preview-console__collapse"
              onClick={this.props.collapseConsole}
              aria-label="collapse console"
            >
              <InlineSVG src={downArrowUrl} />
            </button>
            <button className="preview-console__expand" onClick={this.props.expandConsole} aria-label="expand console">
              <InlineSVG src={upArrowUrl} />
            </button>
          </div>
        </div>
        <div ref={(element) => { this.consoleMessages = element; }} className="preview-console__messages">
          {this.props.consoleEvents.map((consoleEvent) => {
            const { arguments: args, method, times } = consoleEvent;
            const { theme } = this.props;
            Object.assign(consoleEvent, { data: this.formatData(args) });
            if (Object.keys(args).length === 0) {
              return (
                <div key={consoleEvent.id} className="preview-console__message preview-console__message--undefined">
                  <span key={`${consoleEvent.id}-0`}>undefined</span>
                </div>
              );
            }
            return (
              <div key={consoleEvent.id} className={`preview-console__message preview-console__message--${method}`}>
                { times > 1 &&
                  <div className="preview-console__logged-times">{times}</div>
                }
                <ConsoleFeed
                  styles={this.getConsoleFeedStyle(theme, times)}
                  logs={Array.of(consoleEvent)}
                />
              </div>
            );
          })}
        </div>
      </div>
    );
  }
}

Console.propTypes = {
  consoleEvents: PropTypes.arrayOf(PropTypes.shape({
    method: PropTypes.string.isRequired,
    args: PropTypes.arrayOf(PropTypes.string)
  })),
  isExpanded: PropTypes.bool.isRequired,
  collapseConsole: PropTypes.func.isRequired,
  expandConsole: PropTypes.func.isRequired,
  clearConsole: PropTypes.func.isRequired,
  dispatchConsoleEvent: PropTypes.func.isRequired,
  theme: PropTypes.string.isRequired,
  fontSize: PropTypes.number.isRequired
};

Console.defaultProps = {
  consoleEvents: []
};

export default Console;