'use strict';
//退货统计
/*
 *Kennaki Kai
*/

import React, { Component } from 'react';
import {
    StyleSheet,
    View,
    Dimensions,
    Platform,
}
from 'react-native';
import Immutable, {List, Record} from 'immutable';

import {bindActionCreators} from 'redux';
import {connect} from 'react-redux';

import {Map} from 'immutable';

import RefoundStatistics from '../components/RefoundStatistics';

import * as refoundStatisticsActions from '../reducers/refoundStatistics/refoundStatisticsActions';
import moment from 'moment';
import config from '../constants/config';

const actions = [
    refoundStatisticsActions
];

function mapStateToProps(state) {
    return {
        ...state
    };
};

function mapDispatchToProps(dispatch) {

    const creators = Map()
        .merge(...actions)
        .filter(value => typeof value === 'function')
        .toObject();

    return {
        actions: bindActionCreators(creators, dispatch),
        dispatch
    };
}


class RefoundStatisticsContainer extends Component {
    constructor(props) {
        super(props);
        this.onChangeDate = this.onChangeDate.bind(this);
    }

    componentDidMount() {
        let params = {
            type: config.dateFilterKey.month,
            reqTime: moment().subtract(1,'months').format('YYYYMM'),
            shopId: this.props.home.get('shopId'),
        }
        this.props.actions.refoundStats(params);
    }

    componentWillUnmount() {
        this.props.actions.refoundStatsClean();
    }

    onChangeDate(selected) {

        let monthStr = '';
        if (selected.month>9) {
            monthStr = `${selected.year}`+`${selected.month}`
        } else {
            monthStr = `${selected.year}`+'0'+`${selected.month}`
        }
        let params = {
            type: config.dateFilterKey.month,
            reqTime: monthStr,
            shopId: this.props.home.get('shopId'),
        }

        this.props.actions.refoundStats(params);
    }

    render() {

        let section1 = [
            {
                top: '退货金额（元）',
                bottom: `${this.props.refoundStats.refoundSum}`,
            },
            {
                top: '环比',
                arrowUp: this.props.refoundStats.sumRise,
                bottom: `${this.props.refoundStats.sumRatio}%`,
                hasTrendData: this.props.refoundStats.sumHasTrendData,
            }
        ];

        let section2 = [
            {
                top: '退货数',
                bottom: `${this.props.refoundStats.refoundCount}`,
            },
            {
                top: '环比',
                arrowUp: this.props.refoundStats.countRise,
                bottom: `${this.props.refoundStats.countRatio}%`,
                hasTrendData: this.props.refoundStats.countHasTrendData,
            }
        ];

        let section3 =[
            {
                top:'退货率',
                bottom:`${this.props.refoundStats.refoundPercent}%`,
            },
            {
                top:'环比',
                arrowUp: this.props.refoundStats.percentRise,
                bottom: `${this.props.refoundStats.percentRatio}%`,
                hasTrendData: this.props.refoundStats.percentHasTrendData,
            },
        ];

        return (
            <View style={styles.container}>
                <RefoundStatistics
                    section1={section1}
                    section2={section2}
                    section3={section3}
                    sixMonths={this.props.refoundStats.sixMonths.toJS()}
                    sixMonthValue={this.props.refoundStats.trendInSixMonth.toJS()}
                    onChangeDate={this.onChangeDate}
                    isFetching={this.props.refoundStats.isFetching}
                />
            </View>
        );
    }
}

let {width, height} = Dimensions.get('window');
let navbarHeight = (Platform.OS === 'android') ? 50 : 64;

let styles = StyleSheet.create({
    container: {
        top: navbarHeight,
        height: height - navbarHeight,
    },

});

export default connect(mapStateToProps, mapDispatchToProps)(RefoundStatisticsContainer);