/**
 * @author oldj
 * @blog https://oldj.net
 */

'use strict'

import React from 'react'
import ListItem from './list-item'
import Sortable from 'sortablejs'
import listToArray from 'wheel-js/src/common/listToArray'
import Agent from '../Agent'
import {findPositions} from '../content/kw'
import './list.less'

export default class List extends React.Component {

  constructor (props) {
    super(props)

    this.state = {
      kw: ''
    }

    Agent.on('search', kw => {
      this.setState({kw})
    })
  }

  customItems () {
    let kw = this.state.kw

    function match(kw, item) {
      return findPositions(kw, item.content).length > 0 || findPositions(kw, item.title).length > 0
    }

    return this.props.list.map((item, idx) => {
      let show = true
      if (kw && !match(kw, item)) {
        show = false
      }

      return (
        <ListItem
          data={item}
          idx={idx}
          current={this.props.current}
          setCurrent={this.props.setCurrent}
          key={'hosts-' + idx}
          show={show}
        />
      )
    })
  }

  getCurrentListFromDOM () {
    let nodes = this.refs.items.getElementsByClassName('list-item')
    nodes = listToArray(nodes)
    let ids = nodes.map(el => el.getAttribute('data-id'))

    Agent.emit('order', ids)
  }

  componentDidMount () {
    Sortable.create(this.refs.items, {
      group: 'list-sorting'
      , sort: true
      , animation: 150
      , onStart: () => {
        console.log('drag start..')
      }
      , onSort: (evt) => {
        this.getCurrentListFromDOM()
        //console.log(evt)
        console.log(evt.item)
        console.log(evt.oldIndex, evt.newIndex)
      }
    })
  }

  render () {
    return (
      <div id="sh-list">
        <ListItem
          data={this.props.sys_hosts}
          lang={this.props.lang}
          current={this.props.current}
          setCurrent={this.props.setCurrent}
          sys="1"/>
        <div ref="items" className="custom-items">
          {this.customItems()}
        </div>
      </div>
    )
  }
}