import React from 'react';
import moment from 'moment-timezone';
import _ from 'lodash';

import Templates from 'config/templates';
import House from './../../models/house';
import DateRangeSlider from './../../d3/sliders/date_range';
import {RouteHelper} from './../routes';

class PowerComponent extends React.Component {

  constructor(props){
    super(props);
    var power = this;
    power.updates = 0;
  }

  get house(){
    console.log('PowerComponent#get house', this.props.location.state && this.props.location.state.house)
    return this.props.location.state && this.props.location.state.house;
  }

  componentDidMount(){
    var power = this,
      house = power.props.location.state.house;

    console.log(this.updates, ') PowerComponent#componentDidMount')
    console.log(this.house)
    power.renders = 0;
    if (!house) return false;
    power.initDateRange();
  }

  componentDidUpdate(prev_props, prev_state, prev_context){
    this.updates += 1
    console.log(this.updates, ') PowerComponent#componentDidUpdate')
    console.log(this.house)
    var power = this,
      route_helper = new RouteHelper(power.props);
    if (!route_helper.house) return false;
    if (power.shouldInitDateRange(prev_props)) {
      power.initDateRange();
    }
  }

  shouldInitDateRange(prev_props){
    var power = this,
      route_helper = new RouteHelper(power.props);
    return !prev_props.location.state.house ||
              prev_props.location.state.house.data.id != power.context.house.data.id ||
              !route_helper.house.matchesPowerRange(prev_props.params, prev_props.location.query['dates[]'] || []);
  }

  initDateRange(){
    var power = this,
      house = power.context.house;
    if (power.date_range_slider === undefined){
      power.date_range_slider = new DateRangeSlider({
        container: '#power_date_setter',
        outer_height: 100,
        maxDelta: function(changed_date, other_date){
          if (Math.abs(changed_date.getTime() - other_date.getTime()) > 3600 * 24 * 4 * 1000){
            if (changed_date > other_date){
              return new Date(changed_date.getTime() - 3600 * 24 * 4 * 1000);
            } else {
              return new Date(changed_date.getTime() + 3600 * 24 * 4 * 1000);
            }
          }
          return false;
        }
      });
    }
    power.date_range_slider.onRangeUpdated = (min, max)=>{
      if (power.date_range_update) clearTimeout(power.date_range_update);
      power.date_range_update = setTimeout(()=>{
        var power_range = [Math.round(min.getTime() / 1000), Math.round(max.getTime() / 1000)],
          route_helper = new RouteHelper(house, power.props, {power_range: power_range});

        route_helper.updateRoute();
      }, 500);
    };
    power.date_range_slider.drawData({
      abs_min: house.state.current_month_moment.toDate(),
      abs_max: house.state.end_of_current_data_moment.toDate(),
      current_min: house.toDate(house.state.power_range[0]),
      current_max: house.toDate(house.state.power_range[1])
    });
  }

  setParam(event){
    var power = this,
      house = power.context.house,
      param = event.target.dataset.param,
      value = event.target.dataset.value,
      update = {}, route_helper;
    update[param] = value;
    route_helper = new RouteHelper(house, power.props, update);
    if (route_helper.routeUpdated()){
      route_helper.updateHouseState();
      power.context.router.push(route_helper.newRoute());
    }
  }

  render() {
    var powerRt = Templates.forComponent('power');
    return powerRt.call(this);
  }
}

PowerComponent.contextTypes = {
  router: React.PropTypes.object.isRequired
};

export default PowerComponent;