'use strict';

import React, {Component} from 'react';
import ReactNative, {
    View,
    Text,
    Image,
    ListView,
    StyleSheet,
    Dimensions,
    TouchableOpacity,
} from 'react-native';

import SlicedImage from '../SlicedImage';
import Tags from './Tags';
import GPTags from './GPTags';


export default class ProductListCell extends Component {

    constructor(props) {
        super(props);

        this._renderTags = this._renderTags.bind(this);
        this._renderImages = this._renderImages.bind(this);
        this._renderPrice = this._renderPrice.bind(this);
    }

    _renderTags() {
        let {data, sourceType} = this.props;
        let isGlobalProduct = data.get('is_global') && data.get('is_global') == 'Y'; // 是否全球购商品

        let tags = data.get('tags');    // 商品标签
        // 数据源是全球购
        if (sourceType == 1) {
            if (isGlobalProduct) {

            } else {
                tags = ['is_in_stock', ...tags];
            }
        }

        let countryName = isGlobalProduct && data.get('country_name');  // 全球购国家名称

        if (isGlobalProduct) {
            return <GPTags title={countryName} limit={showGPLimitTag}/>;
        } else {
            return <Tags items={tags}/>;
        }
    }

    _renderImages() {
        let {data, sourceType} = this.props;
        let url = data.get('default_images').replace('{width}', rowWidth).replace('{height}', imageHeight);     // 商品缩略图
        url = SlicedImage.getSlicedUrl(data.get('default_images'), 290, 386, 2);

        let isGlobalProduct = data.get('is_global') && data.get('is_global') == 'Y'; // 是否全球购商品

        
        let showGPLimitTag = isGlobalProduct && data.get('is_limited') && data.get('is_limited') == 'Y';    // 全球购限量商品
        let showGPSoldOut = isGlobalProduct && data.get('is_stock') && data.get('is_stock') == 'Y';    // 全球购售罄 
        
        let showAlmostSoldOut = !isGlobalProduct && data.get('tags', []).indexOf('is_soon_sold_out') !== -1;    // 非全球购的即将售罄  
        let showSoldOut = sourceType == 2 && data.get('storage_num') && data.get('storage_num') == 0;   // 数据源是奥莱才显示

        return (
            <View style={styles.imageContainer}>
                <Image style={styles.image} source={{uri: url}}>
                    {showAlmostSoldOut ? <Image style={styles.almostSoldOutImage} source={require('../../images/tag/tip_jjsq.png')}/> : null}
                    {showSoldOut ? <Image style={styles.soldOutImage} source={require('../../images/tag/outlet_sellout_bg.png')}/> : null}
                    {showGPSoldOut ? <Image style={styles.gpSoldOutImage} source={require('../../images/tag/gp_tip_SQ.png')}/> : null}
                </Image>
            </View>
        );
    }

    _renderPrice() {
        let {data, sourceType} = this.props;
        let isGlobalProduct = data.get('is_global') && data.get('is_global') == 'Y'; // 是否全球购商品

        let salePrice = 0; // 售卖价
        let originPrice = 0; // 原价
        let salePriceStr = ''; // 拼接的售卖价
        let originPriceStr = ''; // 拼接的原价
        let showOriginPrice = true;  // 是否显示原价
        let salePriceColor = '#d0021b';  // 不显示原价时，售卖价颜色

        if (isGlobalProduct) {
            salePrice = parseFloat(data.get('final_price'));
            originPrice = parseFloat(data.get('orign_price'));
            salePriceStr = data.get('formart_final_price');
            originPriceStr = data.get('formart_orign_price');
        } else {
            salePrice = parseFloat(data.get('sales_price'));
            originPrice = parseFloat(data.get('market_price'));
            salePriceStr = '¥' + salePrice.toFixed(2);
            originPriceStr = '¥' + originPrice.toFixed(2);
        }
        
        if (!originPrice || (salePrice == originPrice)) {
            showOriginPrice = false;
            salePriceColor = '#444444';
        }

        if (showOriginPrice) {
            return (
                <View style={styles.priceContainer}>
                    <Text style={[styles.nowPrice, {color: salePriceColor}]} numberOfLines={1}>{salePriceStr}</Text>
                    <View style={styles.oldPriceContainer}>
                        <Text style={styles.oldPrice} numberOfLines={1}>{originPriceStr}</Text>
                        <View style={styles.deleteLine}/>
                    </View>
                </View>
                
            );
        } else {
            return (
                <View style={styles.priceContainer}>
                    <Text style={[styles.nowPrice, {color: salePriceColor}]} numberOfLines={1}>{salePriceStr}</Text>
                </View>
            );
        }
    }

    
    render() {
        let {data, sourceType, rowID, style} = this.props;
        let name = data.get('product_name') ? data.get('product_name') : '';

        return (
            <TouchableOpacity 
                style={[styles.container, style]}
                activeOpacity={1}
                onPress={() => {
                    this.props.onPressProduct && this.props.onPressProduct(data, rowID);
                }}
            >
                <View>

                    {this._renderTags()}

                    {this._renderImages()}
                    
                    <View style={styles.nameContainer}>
                        <Text style={styles.name} numberOfLines={2}>{name}</Text>
                    </View>

                    {this._renderPrice()}

                </View>
            </TouchableOpacity>
        );
    }
}

let {width, height} = Dimensions.get('window');

const DEVICE_WIDTH_RATIO = width / 320;
let rowWidth = Math.ceil(137.5 * DEVICE_WIDTH_RATIO);
let rowHeight = Math.ceil(254 * DEVICE_WIDTH_RATIO);
let rowMarginTop = Math.ceil(10 * DEVICE_WIDTH_RATIO);

const IMAGE_WIDTH = 145;
const IMAGE_HEIGHT = 193;
const IMAGE_RATIO = IMAGE_HEIGHT / IMAGE_WIDTH;
let imageTop = 14 * DEVICE_WIDTH_RATIO;
let imageHeight = rowWidth * IMAGE_RATIO;

let almostSoldOutImageHeight = Math.ceil(14 * DEVICE_WIDTH_RATIO);
let almostSoldOutImageTop = imageHeight - almostSoldOutImageHeight;

let nameMarginTop = Math.ceil(7 * DEVICE_WIDTH_RATIO);
let nameHeight = Math.ceil(36 * DEVICE_WIDTH_RATIO);

let gpSoldOutImageHeight = Math.ceil(25 * DEVICE_WIDTH_RATIO);

let styles = StyleSheet.create({
    container: {
        width: rowWidth,
        height: rowHeight,
        marginTop: rowMarginTop,
    },
    rowContainer: {
        width: rowWidth,
        height: rowHeight,
        
    },
    imageContainer: {
        width: rowWidth,
        height: imageHeight,
        backgroundColor: '#f0f0f0',
    },
    image: {
        width: rowWidth,
        height: imageHeight,
        backgroundColor: '#f0f0f0',
    },
    soldOutImage: {
        position: 'absolute',
        top: 0,
        left: 0,
        width: rowWidth,
        height: imageHeight,
    },
    almostSoldOutImage: {
        top: almostSoldOutImageTop,
        width: rowWidth,
        height: almostSoldOutImageHeight,
        backgroundColor: '#ff9e0d',
    },
    nameContainer: {
        // justifyContent: 'center',
        marginTop: nameMarginTop,
        width: rowWidth,
        height: nameHeight,
    },
    name: {
        fontFamily: 'STHeitiSC-Light',
        fontSize: 12,
        color: '#444444',
    },
    priceContainer: {
        flexDirection: 'row',
    },
    nowPrice: {
        fontSize: 12,
        color: '#d0021b',
    },
    oldPriceContainer: {
        flexDirection: 'row',
        marginLeft: 5,
    },
    oldPrice: {
        fontSize: 12,
        color: '#b0b0b0',
        height: 16,
    },
    deleteLine: {
        position: 'absolute',
        top: (16 / 2) - 0.8,
        left: 0,
        right: 0,
        height: 1,
        backgroundColor: '#b0b0b0',
    },
    gpSoldOutImage: {
        position: 'absolute',
        top: 5,
        right: 5,
        width: gpSoldOutImageHeight,
        height: gpSoldOutImageHeight,
    },
});