/**
 * ChinaLocations
 * @author Tevin
 */

import ChinaLocationData from './ChinaLocationData.json';

const locationTree = [];

Object.keys(ChinaLocationData).forEach((code1) => {
    const province = {
        label: ChinaLocationData[code1].name,
        value: code1,
        children: [],
    };
    const children1 = ChinaLocationData[code1].children;
    Object.keys(children1).forEach((code2) => {
        const city = {
            label: children1[code2].name,
            value: code2,
            children: [],
        };
        if (typeof children1[code2].children !== 'undefined') {
            const children2 = children1[code2].children;
            Object.keys(children2).forEach((code3) => {
                city.children.push({
                    label: children2[code3],
                    value: code3,
                });
            });
        }
        province.children.push(city);
    });
    locationTree.push(province);
});

export default {
    onReady(callback) {
        callback();
    },
    getLocationTree() {
        return locationTree;
    },
    // 获取省市区拼合文本
    getRegionText(regions) {
        if (regions.length === 0) {
            return '';
        }
        let address = '';
        let tempLocationData = ChinaLocationData;
        regions.forEach((code) => {
            if (typeof tempLocationData[code].name === 'string') {
                address += tempLocationData[code].name;
            } else {
                address += tempLocationData[code];
            }
            tempLocationData = tempLocationData[code].children;
        });
        return address;
    },
    // 省市区名称
    getRegionNames(regions) {
        if (typeof regions === 'string') {
            regions = regions.split(',');
        }
        if (!regions || regions.length === 0 || !regions[0]) {
            return [];
        }
        let address = [];
        let tempLocationData = ChinaLocationData;
        regions.forEach((code) => {
            if (!tempLocationData[code]) {
                return;
            }
            if (typeof tempLocationData[code].name === 'string') {
                address.push(tempLocationData[code].name);
            } else {
                address.push(tempLocationData[code]);
            }
            tempLocationData = tempLocationData[code].children;
        });
        return address;
    },
    // 省市区文本转code
    getRegionCodes(regions) {
        if (typeof regions === 'string') {
            regions = regions.split(',');
        }
        if (!regions || regions.length === 0 || !regions[0]) {
            return '';
        }
        const codes = [];
        // 省
        for (let provinceCode in ChinaLocationData) {
            if (ChinaLocationData.hasOwnProperty(provinceCode)) {
                if (ChinaLocationData[provinceCode].name === regions[0]) {
                    codes[0] = provinceCode;
                    // 市
                    const provinceChildren = ChinaLocationData[provinceCode].children;
                    for (let cityCode in provinceChildren) {
                        if (provinceChildren.hasOwnProperty(cityCode)) {
                            if (provinceChildren[cityCode].name === regions[1]) {
                                codes[1] = cityCode;
                                // 区
                                const areaChildren = provinceChildren[cityCode].children;
                                for (let areaCode in areaChildren) {
                                    if (areaChildren.hasOwnProperty(areaCode)) {
                                        if (areaChildren[areaCode] === regions[2]) {
                                            codes[2] = areaCode;
                                            break;
                                        }
                                    }
                                }
                                break;
                            }
                        }
                    }
                    break;
                }
            }
        }
        return codes;
    },
};