import com.dderp.common.api.BusinessExecutor
import com.dderp.common.datas.ERPModule
import com.dderp.common.entity.base.ProcessStringItem
import com.sweetfish.service.RetResult
import org.apache.commons.lang3.StringUtils
import org.apache.logging.log4j.LogManager
import org.apache.logging.log4j.Logger
import org.jsoup.Jsoup
import org.jsoup.nodes.Document
import org.jsoup.nodes.Element
import org.jsoup.select.Elements
import org.jsoup.select.Evaluator

import javax.annotation.Resource
import java.util.regex.Pattern

/**
 * Created by jlutt on 2022-07-11
 * 行政区划更新
 * 国家统计局数据
 * @author jlutt
 */
@SuppressWarnings(["HttpUrlsUsage", 'unused'])
class BE_MapAddressUpdate2 implements BusinessExecutor<ProcessStringItem, ProcessStringItem> {

    protected final Logger logger = LogManager.getLogger(this.getClass().getSimpleName())

    //2023-08-29改为从国家统计局获取数据，民政局数据少东西

    @Resource(name = "APP_HOME")
    protected String appHome

    @Override
    String scriptName() {
        return "行政区划更新V2"
    }

    @Override
    ERPModule module() {
        return ERPModule.ADDRESSPARSER
    }

    def provinceList = []
    def cityList = []
    def countryList = []

    @Override
    RetResult<ProcessStringItem> execute(ProcessStringItem source) {
        provinceList.clear()
        cityList.clear()
        countryList.clear()

        try {
            getProvinces()

            provinceList.each { p ->
                getCities(p["code"] as String)
            }

            cityList.each { c ->
                getCounties(c["parentCode"] as String, c["code"] as String)
            }

            new File(appHome + File.separator + "conf" + File.separator + "addressdata", 'provices.json').withWriter('utf-8') { writer ->
                writer.writeLine '['
                provinceList.eachWithIndex { p, idx ->
                    writer.writeLine '  {'
                    writer.writeLine '      "code": "' + p["fullCode"] + '",'
                    writer.writeLine '      "name": "' + p["name"] + '"'
                    writer.writeLine '  }' + (idx != provinceList.size() - 1 ? ',' : "")
                }
                writer.writeLine(']')
            }

            new File(appHome + File.separator + "conf" + File.separator + "addressdata", 'cities.json').withWriter('utf-8') { writer ->
                writer.writeLine '['
                cityList.eachWithIndex { p, idx ->
                    writer.writeLine '  {'
                    writer.writeLine '      "code": "' + p["fullCode"] + '",'
                    writer.writeLine '      "name": "' + p["name"] + '"'
                    writer.writeLine '  }' + (idx != cityList.size() - 1 ? ',' : "")
                }
                writer.writeLine(']')
            }

            new File(appHome + File.separator + "conf" + File.separator + "addressdata", 'counties.json').withWriter('utf-8') { writer ->
                writer.writeLine '['
                countryList.eachWithIndex { p, idx ->
                    writer.writeLine '  {'
                    writer.writeLine '      "code": "' + p["fullCode"] + '",'
                    writer.writeLine '      "name": "' + p["name"] + '"'
                    writer.writeLine '  }' + (idx != countryList.size() - 1 ? ',' : "")
                }
                writer.writeLine(']')
            }


        } catch (IOException e) {
            e.printStackTrace()
        }

        return RetResult.<ProcessStringItem> successT().result(ProcessStringItem.newBuilder().itemValue("").build())
    }

    private Elements getElements(String url, Evaluator evaluator) {
        try {
            Document document = Jsoup.connect(url)
                    .header("Accept", "*/*")
                    .userAgent("Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36 Edg/115.0.1901.188")
                    .maxBodySize(0)
                    .followRedirects(true)
                    .timeout(10000)
                    .get()
            Elements elements = document.select(evaluator)
            // HTTP请求太频繁会导致报错“HTTP error fetching URL. Status=502, URL=……”或“Too many redirects occurred trying to load URL……”，这里暂停几秒再继续下一次HTTP请求
            Thread.sleep(2 * 1000)
//            logger.info(url + "符合条件的元素数：" + elements.size())
            return elements
        } catch (Exception e) {
            logger.error(url + "，执行出错：" + e)
            try {
                // 请求出错（如：Read timed out、502）后等待一段时间后再尝试，规避因同一IP频繁请求被限制问题
                Thread.sleep(30 * 60 * 1000)
            } catch (InterruptedException ex) {
                logger.error(url + "，执行出错：" + ex)
            }
            return null
        }
    }

    def getProvinces() {
        Elements elements = getElements("http://www.stats.gov.cn/sj/tjbz/tjyqhdmhcxhfdm/2022/index.html",
                new Evaluator.AttributeWithValueEnding("href", ".html"))

        elements.each { element ->
            String href = element.attributes().get("href")
            if (href.matches("\\d+\\.html")) {
                String code = href.replaceAll("\\.html", "")
                def province = [
                        code      : code,
                        fullCode  : StringUtils.rightPad(code, 6, "0"),
                        name      : element.text(),
                        parentCode: "",
                        parentName: ""
                ]
//                logger.info(province.code + "=" + province.fullCode + "=" + province.name)
                provinceList << province
            }
        }
    }

    def getCities(String provinceCode) {
        Pattern pattern = Pattern.compile(provinceCode + "/\\d+\\.html")

        Elements elements = getElements("http://www.stats.gov.cn/sj/tjbz/tjyqhdmhcxhfdm/2022/" + provinceCode + ".html",
                new Evaluator.AttributeWithValueMatching("href", pattern))
        for (Element element : elements) {
            String href = element.attributes().get("href")
            String text = element.text()
            if (pattern.matcher(href).matches()) {
                String code = href.replaceAll(provinceCode + "/", "").replaceAll("\\.html", "")
                if (!text.matches("\\d+")) {
                    def city = [
                            code      : code,
                            fullCode  : StringUtils.rightPad(code, 6, "0"),
                            name      : element.text(),
                            parentCode: provinceCode
                    ]
//                    logger.info(city.code + "=" + city.fullCode + "=" + city.name)
                    cityList << city
                }
            }
        }
    }

    def getCounties(String provinceCode, String cityCode) {
        Pattern pattern = Pattern.compile("\\d+/\\d+\\.html")

        String url = "http://www.stats.gov.cn/sj/tjbz/tjyqhdmhcxhfdm/2022/" + provinceCode + "/" + cityCode + ".html"
        Document document = Jsoup.connect(url)
                .header("Accept", "*/*")
                .userAgent("Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36 Edg/115.0.1901.188")
                .maxBodySize(0)
                .followRedirects(true)
                .timeout(10000)
                .get()

        Elements elements1 = document.select(("tr.countytr td:contains(市辖区)"))

        if (!elements1.isEmpty()) {
            Element td1 = elements1.first()
            String countyCode = StringUtils.left(td1.parent().select("td").get(0).text(), 6)

            def country = [
                    code      : countyCode,
                    fullCode  : countyCode,
                    name      : "市辖区",
                    parentCode: cityCode
            ]
            countryList << country
        }

        Elements elements = document.select(new Evaluator.AttributeWithValueMatching("href", pattern))

        for (Element element : elements) {
            String href = element.attributes().get("href")
            String text = element.text()
            if (pattern.matcher(href).matches()) {
                String code = href.replaceAll("\\d+/", "").replaceAll("\\.html", "")
                if (!text.matches("\\d+")) {
                    def country = [
                            code      : code,
                            fullCode  : StringUtils.rightPad(code, 6, "0"),
                            name      : element.text(),
                            parentCode: cityCode
                    ]
//                    logger.info(country.code + "=" + country.fullCode + "=" + country.name)
                    countryList << country
                }
            }
        }

        Thread.sleep(2 * 1000)
    }

}