import { Editor, Mark, Raw } from '../..'
import React from 'react'
import state from './state.json'

/**
 * The rich text example.
 *
 * @type {Component} RichText
 */

class RichText extends React.Component {

  state = {
    state: Raw.deserialize(state)
  };

  hasMark(type) {
    const { state } = this.state
    const { marks } = state
    return marks.some(mark => mark.type == type)
  }

  hasBlock(type) {
    const { state } = this.state
    const { blocks } = state
    return blocks.some(node => node.type == type)
  }

  onClickMark(e, type) {
    e.preventDefault()
    const isActive = this.hasMark(type)
    let { state } = this.state

    state = state
      .transform()
      [isActive ? 'unmark' : 'mark'](type)
      .apply()

    this.setState({ state })
  }

  onClickBlock(e, type) {
    e.preventDefault()
    const isActive = this.hasBlock(type)
    let { state } = this.state

    state = state
      .transform()
      .setBlock(isActive ? 'paragraph' : type)
      .apply()

    this.setState({ state })
  }

  render() {
    return (
      <div>
        {this.renderToolbar()}
        {this.renderEditor()}
      </div>
    )
  }

  renderToolbar() {
    return (
      <div className="menu toolbar-menu">
        {this.renderMarkButton('bold', 'format_bold')}
        {this.renderMarkButton('italic', 'format_italic')}
        {this.renderMarkButton('underlined', 'format_underlined')}
        {this.renderMarkButton('code', 'code')}
        {this.renderBlockButton('heading-one', 'looks_one')}
        {this.renderBlockButton('heading-two', 'looks_two')}
        {this.renderBlockButton('block-quote', 'format_quote')}
        {this.renderBlockButton('numbered-list', 'format_list_numbered')}
        {this.renderBlockButton('bulleted-list', 'format_list_bulleted')}
      </div>
    )
  }

  renderMarkButton(type, icon) {
    const isActive = this.hasMark(type)
    return (
      <span className="button" onMouseDown={e => this.onClickMark(e, type)} data-active={isActive}>
        <span className="material-icons">{icon}</span>
      </span>
    )
  }

  renderBlockButton(type, icon) {
    const isActive = this.hasBlock(type)
    return (
      <span className="button" onMouseDown={e => this.onClickBlock(e, type)} data-active={isActive}>
        <span className="material-icons">{icon}</span>
      </span>
    )
  }

  renderEditor() {
    return (
      <div className="editor">
        <Editor
          state={this.state.state}
          renderNode={node => this.renderNode(node)}
          renderMark={mark => this.renderMark(mark)}
          onChange={(state) => {
            console.groupCollapsed('Change!')
            console.log('Document:', state.document.toJS())
            console.log('Selection:', state.selection.toJS())
            console.log('Content:', Raw.serialize(state))
            console.groupEnd()
            this.setState({ state })
          }}
        />
      </div>
    )
  }

  renderNode(node) {
    switch (node.type) {
      case 'block-quote': {
        return (props) => <blockquote>{props.children}</blockquote>
      }
      case 'bulleted-list': {
        return (props) => <ul>{props.chidlren}</ul>
      }
      case 'heading-one': {
        return (props) => <h1>{props.children}</h1>
      }
      case 'heading-two': {
        return (props) => <h2>{props.children}</h2>
      }
      case 'list-item': {
        return (props) => <li>{props.chidlren}</li>
      }
      case 'numbered-list': {
        return (props) => <ol>{props.children}</ol>
      }
      case 'paragraph': {
        return (props) => <p>{props.children}</p>
      }
    }
  }

  renderMark(mark) {
    switch (mark.type) {
      case 'bold': {
        return {
          fontWeight: 'bold'
        }
      }
      case 'code': {
        return {
          fontFamily: 'monospace',
          backgroundColor: '#eee',
          padding: '3px',
          borderRadius: '4px'
        }
      }
      case 'italic': {
        return {
          fontStyle: 'italic'
        }
      }
      case 'underlined': {
        return {
          textDecoration: 'underline'
        }
      }
    }
  }

}

/**
 * Export.
 */

export default RichText