import com.dySweetFishPlugin.tool.lang.Holder
import com.sweetfish.convert.json.JsonConvert
import com.sweetfish.service.RetResult
import com.yinjie.heating.common.api.BusinessExecutor
import com.yinjie.heating.common.datas.ERPModule
import com.yinjie.heating.common.entity.base.ProcessMapItem
import com.yinjie.heating.common.entity.callthird.ViewBillResponse
import com.yinjie.heating.common.entity.heating.BankBill
import com.yinjie.heating.common.entity.heating.HeatingApp
import org.apache.commons.lang3.StringUtils
import org.apache.logging.log4j.LogManager
import org.apache.logging.log4j.Logger
import org.rex.RMap

import javax.annotation.Resource
import java.nio.charset.StandardCharsets
import java.nio.file.Files
import java.nio.file.Path
import java.nio.file.Paths
import java.util.stream.Stream

class BE_Call_ViewBillFile implements BusinessExecutor<ProcessMapItem, ViewBillResponse> {
    private final Logger logger = LogManager.getLogger(this.getClass().getSimpleName())

    @Resource
    private JsonConvert jsonConvert

    @Resource(name = "property.downloadBillRoot")
    private String downloadBillRoot

    @Override
    String scriptName() {
        return "后台页面调用-查看账单"
    }

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

    static List<BankBill> readBillFile(Path scriptFile, boolean trimed, Logger logger) {
        final List<BankBill> billList = new ArrayList<>()

        try {
            Integer iIndex = 0
            Holder<Integer> prefix = Holder.of(iIndex)
            try (Stream<String> lines = Files.lines(scriptFile, StandardCharsets.UTF_8)) {
                lines.each { line ->
                    line = (trimed) ? line.trim() : line
                    if (!line.isEmpty()) {
                        if (prefix.get() == 0) {
                            //第一行不要,因为是统计行
//                            buf.append((trimed) ? line.trim() : line)

                        } else {
                            //解析单行数据
                            String[] billParams = line.split("\\|")
                            //交易日期|银行交易流水号|平台交易号|机表号|交易金额|合同号(同机表号)|手续费|扣除手续费之后的金额

                            BankBill bankBill = new BankBill()
                            bankBill.paymentDate = billParams[0]
                            bankBill.bankBillNO = billParams[1]
                            bankBill.plateBillNO = billParams[2]
                            bankBill.paymentClientCode = billParams[3]
                            bankBill.paymentAmount = new BigDecimal(billParams[4])
                            bankBill.serviceFee = new BigDecimal(billParams[6])
                            bankBill.settlementFee = new BigDecimal(billParams[7])

                            billList.add(bankBill)
                        }

                        prefix.set(1)
                    }
                }
            }

        } catch (IOException e) {
            logger.error(e.getMessage(), e)
        }

        return billList
    }

    RetResult<ViewBillResponse> execute(ProcessMapItem source) {
        RMap params = source.itemData
        String dataSourceId = source.dataSourceId
        long supplierCode = source.supplierCode

        String payDate = params.getString("payDate")
        HeatingApp app = params.get("app") as HeatingApp

        params.remove("app")//避免影响下面验签

        //接口均返回正确,错误放在result里
        if (app == null) {
            logger.error("下载对账单传入app为空")
            return RetResult.<ViewBillResponse> successT().result(new ViewBillResponse.Builder()
                    .respCode("DEF0010")
                    .respMsg("用户不存在")
                    .timeStamp((new Date()).time as String)
                    .build())
        }

        if (StringUtils.isBlank(payDate)) {
            logger.error("下载对账单传入参数不正确")
            return RetResult.<ViewBillResponse> successT().result(new ViewBillResponse.Builder()
                    .respCode("DEF0006")
                    .respMsg("系统错误")
                    .timeStamp((new Date()).time as String)
                    .build())
        }

        //查找对应日期的文件夹是否存在

        Path dirPath = Paths.get(downloadBillRoot + File.separator + payDate)
        if (Files.exists(dirPath) && (Files.isDirectory(dirPath))) {
            Path filePath = Paths.get(downloadBillRoot + File.separator + payDate + File.separator + "GD_" + payDate + "_" + app.upperChannelAppId + ".txt")
            if (Files.exists(filePath)) {
                //读取文件内容
                List<BankBill> billList = readBillFile(filePath, true, logger)

                return RetResult.<ViewBillResponse> successT().result(new ViewBillResponse.Builder()
                        .respCode("00000")
                        .respMsg("success")
                        .appId(app.appId)
                        .billList(billList)
                        .timeStamp((new Date()).time as String)
                        .build())

            } else {
                logger.error("找不到对账单" + filePath.toString())
                return RetResult.<ViewBillResponse> successT().result(new ViewBillResponse.Builder()
                        .respCode("DEF0020")
                        .respMsg("该日期账单文件暂未生成")
                        .timeStamp((new Date()).time as String)
                        .build())
            }
        } else {
            logger.error("找不到对账单日期" + payDate + "的目录")
            return RetResult.<ViewBillResponse> successT().result(new ViewBillResponse.Builder()
                    .respCode("DEF0020")
                    .respMsg("该日期账单文件暂未生成")
                    .timeStamp((new Date()).time as String)
                    .build())
        }


    }
}