import React, { Component } from 'react'
import { Timeline, Spin } from 'antd'
import PropTypes from 'prop-types'
import { connect } from 'react-redux'
import {formatTime} from '../../../common.js';
import { fetchNewsData } from '../../../reducer/modules/news.js'

function timeago(timestamp) {  
  let minutes, hours, days, seconds, mouth, year;  
  const timeNow = parseInt(new Date().getTime()/1000); 
  seconds = timeNow - timestamp;
  if(seconds > 86400*30*12){
    year = parseInt(seconds / (86400*30*12));
  }else{
    year = 0;
  }
  if(seconds > 86400*30){
    mouth = parseInt(seconds / (86400*30));
  }else{
    mouth = 0;
  }
  if(seconds > 86400){
    days = parseInt(seconds / (86400));
  }else{
    days = 0;
  }
  if(seconds > 3600){
    hours = parseInt(seconds / (3600));
  }else{
    hours = 0;
  }
  minutes = parseInt(seconds / 60);
  if(year > 0){
    return year + "年前";
  }else if(mouth > 0 && year <= 0){
    return mouth + "月前";
  }else if (days > 0 && mouth <= 0) {  
    return days + "天前";  
  } else if (days <= 0 && hours > 0) {  
    return hours + "小时前";  
  } else if (hours <= 0 && minutes > 0) {  
    return minutes + "分钟前";  
  } else if (minutes <= 0 && seconds > 0) {  
    if(seconds < 30){
      return "刚刚"; 
    }else{
      return seconds + "秒前";
    }
      
  } else {  
    return new Date(timestamp);  
  }  
}
// timeago(new Date().getTime() - 40);

@connect(
  state => {
    return {
      newsData: state.news.newsData,
      curpage: state.news.curpage
    }
  },
  {
    fetchNewsData: fetchNewsData
    
  }
)
class NewsTimeline extends Component {
  static propTypes = {
    newsData: PropTypes.object,
    fetchNewsData: PropTypes.func,
    
    setLoading: PropTypes.func,
    loading: PropTypes.bool,
    curpage: PropTypes.number
  }

  constructor(props) {
    super(props);
    this.state = {
      bidden: "",
      loading: false
    }
  }

  getMore(){
    const that = this;
    this.setState({loading: true});
    this.props.fetchNewsData(21, this.props.curpage, 8).then(function () {
      that.setState({loading: false});
      if(that.props.newsData.total + 1 === that.props.curpage){
        that.setState({bidden: "logbidden"})
      }
    })
  }

  componentWillMount() {
    this.props.fetchNewsData(21, this.props.curpage, 8)
  }

  
  render() {
    let data = this.props.newsData?this.props.newsData.list:[];
    if(data && data.length){
      data = data.map(function (item, i) {
        return (<Timeline.Item key = {i}>
          <span className="logoTimeago">{timeago(item.add_time)}</span>
          <span className="logusername">{item.username}</span>
          <span className="logtype">{item.type}</span>
          <span className="logtime">{formatTime(item.add_time)}</span>
          <span className="logcontent">{item.content}</span>
        </Timeline.Item>);
      });
    }else{
      data = "";
    }
    let pending = this.state.bidden?<a className={this.state.bidden}>以上为全部内容</a>:<a className="loggetMore" onClick = {this.getMore.bind(this)}>查看更多</a>;
    if(this.state.loading){
      pending = <Spin />
    }
    return (
      <section className="news-timeline">
        { data?<Timeline pending={pending}>{data}</Timeline>:data }
      </section>
    )
  }
}

export default NewsTimeline