import React, {Component} from 'react';
import {render} from 'react-blessed';

// Rendering a simple centered box
class App extends Component {
  render() {
    return <box top="center"
                left="center"
                width="50%"
                height="50%"
                border={{type: 'line'}}
                style={{border: {fg: 'blue'}}}>
              Hello World!
            </box>;
  }
}

// Creating our screen
const screen = render(<App />, {
  autoPadding: true,
  smartCSR: true,
  title: 'react-blessed hello world'
});

// Adding a way to quit the program
screen.key(['escape', 'q', 'C-c'], function(ch, key) {
  return process.exit(0);
});

class CustomList extends Component {
  componentDidMount() {

    // Focus on the first box
    this.refs.first.focus();
  }

  render() {
    return (
      <element>
        <box ref="first">
          First box.
        </box>
        <box ref="second">
          Second box.
        </box>
      </element>
    );
  }
}

class Completion extends Component {
  constructor(props) {
    super(props);

    this.state = {progress: 0, color: 'blue'};

    const interval = setInterval(() => {
      if (this.state.progress >= 100)
        return clearInterval(interval);

      this.setState({progress: this.state.progress + 1});
    }, 50);
  }

  render() {
    const {progress} = this.state,
          label = `Progress - ${progress}%`;

    // See the `onComplete` prop
    return <progressbar label={label}
                        onComplete={() => this.setState({color: 'green'})}
                        filled={progress}
                        style={{bar: {bg: this.state.color}}} />;
  }
}

// Let's say we want all our elements to have a fancy blue border
const stylesheet = {
  bordered: {
    border: {
      type: 'line'
    },
    style: {
      border: {
        fg: 'blue'
      }
    }
  }
};

class App extends Component {
  render() {
    return (
      <element>
        <box class={stylesheet.bordered}>
          First box.
        </box>
        <box class={stylesheet.bordered}>
          Second box.
        </box>
      </element>
    );
  }
}

// Let's say we want all our elements to have a fancy blue border
const stylesheet = {
  bordered: {
    border: {
      type: 'line'
    },
    style: {
      border: {
        fg: 'blue'
      }
    }
  },
  magentaBackground: {
    style: {
      bg: 'magenta'
    }
  }
};

class App extends Component {
  render() {

    // If this flag is false, then the class won't apply to the second box
    const backgroundForSecondBox = this.props.backgroundForSecondBox;

    return (
      <element>
        <box class={[stylesheet.bordered, stylesheet.magentaBackground]}>
          First box.
        </box>
        <box class={[
          stylesheet.bordered,
          backgroundForSecondBox && stylesheet.magentaBackground
        ]}>
          Second box.
        </box>
      </element>
    );
  }
}