package com.ruoyi.home.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.ruoyi.approve.mapper.ApproveProcessMapper;
import com.ruoyi.approve.pojo.ApproveProcess;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.dto.MapDto;
import com.ruoyi.framework.security.LoginUser;
import com.ruoyi.home.dto.*;
import com.ruoyi.home.service.HomeService;
import com.ruoyi.procurementrecord.mapper.ProcurementRecordMapper;
import com.ruoyi.procurementrecord.mapper.ProcurementRecordOutMapper;
import com.ruoyi.procurementrecord.pojo.ProcurementRecordOut;
import com.ruoyi.procurementrecord.pojo.ProcurementRecordStorage;
import com.ruoyi.project.system.domain.SysDept;
import com.ruoyi.project.system.mapper.SysDeptMapper;
import com.ruoyi.purchase.mapper.PaymentRegistrationMapper;
import com.ruoyi.purchase.mapper.PurchaseLedgerMapper;
import com.ruoyi.purchase.pojo.PaymentRegistration;
import com.ruoyi.purchase.pojo.PurchaseLedger;
import com.ruoyi.quality.mapper.QualityInspectMapper;
import com.ruoyi.quality.pojo.QualityInspect;
import com.ruoyi.sales.mapper.ReceiptPaymentMapper;
import com.ruoyi.sales.mapper.SalesLedgerMapper;
import com.ruoyi.sales.mapper.SalesLedgerProductMapper;
import com.ruoyi.sales.pojo.ReceiptPayment;
import com.ruoyi.sales.pojo.SalesLedger;
import com.ruoyi.sales.pojo.SalesLedgerProduct;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.math.RoundingMode;
import java.time.*;
import java.time.temporal.TemporalAdjusters;
import java.util.*;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.stream.Collectors;

/**
 * @author :yys
 * @date : 2025/7/25 9:23
 */
@Service
@Slf4j
public class HomeServiceImpl implements HomeService {

    @Autowired
    private SalesLedgerMapper salesLedgerMapper;

    @Autowired
    private PurchaseLedgerMapper purchaseLedgerMapper;

    @Autowired
    private SalesLedgerProductMapper salesLedgerProductMapper;

    @Autowired
    private ProcurementRecordOutMapper procurementRecordOutMapper;

    @Autowired
    private ProcurementRecordMapper procurementRecordStorageMapper;

    @Autowired
    private QualityInspectMapper qualityStatisticsMapper;

    @Autowired
    private ApproveProcessMapper approveProcessMapper;

    @Autowired
    private ReceiptPaymentMapper receiptPaymentMapper;

    @Autowired
    private PaymentRegistrationMapper paymentRegistrationMapper;

    @Autowired
    private SysDeptMapper sysDeptMapper;

    @Override
    public HomeBusinessDto business() {
        LocalDate now = LocalDate.now();
        YearMonth currentMonth = YearMonth.from(now);
        // 创建LambdaQueryWrapper
        LambdaQueryWrapper<SalesLedger> salesLedgerLambdaQueryWrapper = new LambdaQueryWrapper<>();
        salesLedgerLambdaQueryWrapper.ge(SalesLedger::getEntryDate, currentMonth.atDay(1).atStartOfDay())  // 大于等于本月第一天
                .lt(SalesLedger::getEntryDate, currentMonth.plusMonths(1).atDay(1).atStartOfDay()); // 小于下月第一天
        List<SalesLedger> salesLedgers = salesLedgerMapper.selectList(salesLedgerLambdaQueryWrapper);
        // 合计合同金额
        BigDecimal contractAmount = salesLedgers.stream().map(SalesLedger::getContractAmount)
                .filter(Objects::nonNull)
                .reduce(BigDecimal.ZERO, BigDecimal::add);
        LambdaQueryWrapper<SalesLedgerProduct> salesLedgerProductMapperLambdaQueryWrapper = new LambdaQueryWrapper<SalesLedgerProduct>();
        salesLedgerProductMapperLambdaQueryWrapper.eq(SalesLedgerProduct::getType, 1)
                .in(SalesLedgerProduct::getSalesLedgerId, salesLedgers.stream().map(SalesLedger::getId).collect(Collectors.toList()));
        List<SalesLedgerProduct> salesLedgerProducts = salesLedgerProductMapper.selectList(salesLedgerProductMapperLambdaQueryWrapper);
        // 未开票金额
        BigDecimal noInvoiceAmountTotal = salesLedgerProducts.stream().map(SalesLedgerProduct::getNoInvoiceAmount)
                .filter(Objects::nonNull)
                .reduce(BigDecimal.ZERO, BigDecimal::add);

        // 创建LambdaQueryWrapper
        LambdaQueryWrapper<PurchaseLedger> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.ge(PurchaseLedger::getEntryDate, currentMonth.atDay(1).atStartOfDay())  // 大于等于本月第一天
                .lt(PurchaseLedger::getEntryDate, currentMonth.plusMonths(1).atDay(1).atStartOfDay()); // 小于下月第一天

        // 执行查询并计算总和
        List<PurchaseLedger> purchaseLedgers = purchaseLedgerMapper.selectList(queryWrapper);

        LambdaQueryWrapper<SalesLedgerProduct> salesLedgerProductMapperLambdaQueryWrapperCopy = new LambdaQueryWrapper<SalesLedgerProduct>();
        salesLedgerProductMapperLambdaQueryWrapper.eq(SalesLedgerProduct::getType, 2)
                .in(SalesLedgerProduct::getSalesLedgerId, purchaseLedgers.stream().map(PurchaseLedger::getId).collect(Collectors.toList()));
        List<SalesLedgerProduct> salesLedgerProductsCopy = salesLedgerProductMapper.selectList(salesLedgerProductMapperLambdaQueryWrapperCopy);
        // 合计合同金额
        BigDecimal receiveAmount = purchaseLedgers.stream()
                .map(PurchaseLedger::getContractAmount)
                .filter(Objects::nonNull)
                .reduce(BigDecimal.ZERO, BigDecimal::add);
        // 未开票金额
        BigDecimal unReceiptPaymentAmount = salesLedgerProductsCopy.stream()
                .map(SalesLedgerProduct::getNoInvoiceAmount)
                .filter(Objects::nonNull)
                .reduce(BigDecimal.ZERO, BigDecimal::add);

        // 统计库存
        List<ProcurementRecordStorage> procurementRecordStorages = procurementRecordStorageMapper.selectList(null);
        BigDecimal stockAmount = procurementRecordStorages.stream()
                .map(ProcurementRecordStorage::getInboundNum)
                .filter(Objects::nonNull)
                .reduce(BigDecimal.ZERO, BigDecimal::add);
        List<ProcurementRecordOut> procurementRecordOuts = procurementRecordOutMapper.selectList(null);
        BigDecimal outboundAmount = procurementRecordOuts.stream()
                .map(ProcurementRecordOut::getInboundNum)
                .filter(Objects::nonNull)
                .reduce(BigDecimal.ZERO, BigDecimal::add);
        BigDecimal stock = stockAmount.subtract(outboundAmount);
        // 获取当天入库数量
        LambdaQueryWrapper<ProcurementRecordStorage> procurementRecordStorageLambdaQueryWrapper = new LambdaQueryWrapper<>();
        procurementRecordStorageLambdaQueryWrapper.ge(ProcurementRecordStorage::getCreateTime, now)  // 大于等于当天
                .lt(ProcurementRecordStorage::getCreateTime, now.plusDays(1)); // 小于明天
        List<ProcurementRecordStorage> procurementRecordStorages1 = procurementRecordStorageMapper.selectList(procurementRecordStorageLambdaQueryWrapper);
        BigDecimal stockAmount1 = procurementRecordStorages1.stream()
                .map(ProcurementRecordStorage::getInboundNum)
                .filter(Objects::nonNull)
                .reduce(BigDecimal.ZERO, BigDecimal::add);
        // 构建结果
        HomeBusinessDto homeBusinessDto = new HomeBusinessDto();
        homeBusinessDto.setMonthSaleMoney(contractAmount);
        homeBusinessDto.setMonthSaleHaveMoney(noInvoiceAmountTotal);
        homeBusinessDto.setMonthPurchaseMoney(receiveAmount);
        homeBusinessDto.setMonthPurchaseHaveMoney(unReceiptPaymentAmount);
        homeBusinessDto.setInventoryNum(stock);
        homeBusinessDto.setTodayInventoryNum(stockAmount1);

        return homeBusinessDto;
    }

    @Override
    public AnalysisCustomerContractAmountsDto analysisCustomerContractAmounts() {
        List<SalesLedger> salesLedgers = salesLedgerMapper.selectList(null);
        // 合计合同金额
        BigDecimal contractAmount = salesLedgers.stream().map(SalesLedger::getContractAmount)
                .filter(Objects::nonNull)
                .reduce(BigDecimal.ZERO, BigDecimal::add);
        // 计算周同比
        // 获取当前时间
        LocalDate today = LocalDate.now();

        // 获取本周周一
        LocalDate startOfWeek = today.with(DayOfWeek.MONDAY);

        // 获取本周周日
        LocalDate endOfWeek = today.with(DayOfWeek.SUNDAY);
        List<SalesLedger> salesLedgers1 = salesLedgerMapper.selectList(new LambdaQueryWrapper<SalesLedger>()
                .ge(SalesLedger::getEntryDate, startOfWeek)  // 大于等于本周周一
                .gt(SalesLedger::getEntryDate, endOfWeek));
        BigDecimal weekContractAmount = salesLedgers1.stream().map(SalesLedger::getContractAmount)
                .filter(Objects::nonNull)
                .reduce(BigDecimal.ZERO, BigDecimal::add);
        // 获取去年本周时间
        LocalDate lastYearStartOfWeek = today.minusYears(1).with(DayOfWeek.MONDAY);
        LocalDate lastYearEndOfWeek = today.minusYears(1).with(DayOfWeek.SUNDAY);
        List<SalesLedger> salesLedgers2 = salesLedgerMapper.selectList(new LambdaQueryWrapper<SalesLedger>()
                .ge(SalesLedger::getEntryDate, lastYearStartOfWeek)  // 大于等于去年本周周一
                .gt(SalesLedger::getEntryDate, lastYearEndOfWeek));
        BigDecimal lastYearWeekContractAmount = salesLedgers2.stream().map(SalesLedger::getContractAmount)
                .filter(Objects::nonNull)
                .reduce(BigDecimal.ZERO, BigDecimal::add);
        BigDecimal subtract = weekContractAmount.subtract(lastYearWeekContractAmount);
        String weekYny = "";
        // 周同比
        if(subtract.compareTo(BigDecimal.ZERO) == 0 || lastYearWeekContractAmount.compareTo(BigDecimal.ZERO) == 0){
            weekYny = "0.00";
        }else{
            weekYny = String.format("%.2f", subtract.divide(lastYearWeekContractAmount, 2, RoundingMode.HALF_UP).multiply(new BigDecimal("100")));

        }

        // 计算日环比
        LocalDate yesterday = today.minusDays(1);
        LocalDate plusDays = today.plusDays(1);
        List<SalesLedger> salesLedgers3 = salesLedgerMapper.selectList(new LambdaQueryWrapper<SalesLedger>()
                .ge(SalesLedger::getEntryDate, today)  // 大于等于昨天
                .lt(SalesLedger::getEntryDate, plusDays));
        BigDecimal yesterdayContractAmount = salesLedgers3.stream().map(SalesLedger::getContractAmount)
                .filter(Objects::nonNull)
                .reduce(BigDecimal.ZERO, BigDecimal::add);
        List<SalesLedger> salesLedgers4 = salesLedgerMapper.selectList(new LambdaQueryWrapper<SalesLedger>()
                .ge(SalesLedger::getEntryDate, yesterday)  // 大于等于去年昨天
                .lt(SalesLedger::getEntryDate, today));
        BigDecimal lastYearYesterdayContractAmount = salesLedgers4.stream().map(SalesLedger::getContractAmount)
                .filter(Objects::nonNull)
                .reduce(BigDecimal.ZERO, BigDecimal::add);
        BigDecimal subtract1 = yesterdayContractAmount.subtract(lastYearYesterdayContractAmount);
        // 日环比
        String chain = "";
        if(subtract1.compareTo(BigDecimal.ZERO) == 0 || lastYearYesterdayContractAmount.compareTo(BigDecimal.ZERO) == 0){
            chain = "0.00";
        }else{
            chain = String.format("%.2f", subtract1.divide(lastYearYesterdayContractAmount, 2, RoundingMode.HALF_UP).multiply(new BigDecimal("100")));
        }


        AnalysisCustomerContractAmountsDto analysisCustomerContractAmountsDto = new AnalysisCustomerContractAmountsDto();
        analysisCustomerContractAmountsDto.setSum(contractAmount);
        analysisCustomerContractAmountsDto.setYny(weekYny);
        analysisCustomerContractAmountsDto.setChain(chain);

        Map<String, BigDecimal> collect = salesLedgers.stream().collect(Collectors.groupingBy(SalesLedger::getCustomerName, Collectors.reducing(BigDecimal.ZERO,
                SalesLedger::getContractAmount, BigDecimal::add)));
        List<MapDto> mapDtos = new ArrayList<>();
        collect.forEach((k,v)->{
            MapDto mapDto = new MapDto();
            mapDto.setName(k);
            mapDto.setValue(v);
            if(contractAmount.compareTo(new BigDecimal(0)) == 0){
                mapDto.setRate("0");
            }else{
                mapDto.setRate(String.format("%.2f", v.divide(contractAmount, 2, RoundingMode.HALF_UP).multiply(new BigDecimal("100"))));
            }
            mapDtos.add(mapDto);
        });
        analysisCustomerContractAmountsDto.setItem(mapDtos);
        return analysisCustomerContractAmountsDto;
    }

    @Override
    public QualityStatisticsDto qualityStatistics() {
        // 获取一周数据
        // 获取当前时间
        LocalDate today = LocalDate.now();
        // 获取本周周一
        LocalDate startOfWeek = today.with(DayOfWeek.MONDAY);
        // 获取本周周日
        LocalDate endOfWeek = today.with(DayOfWeek.SUNDAY);
        LambdaQueryWrapper<QualityInspect> qualityInspectLambdaQueryWrapper = new LambdaQueryWrapper<>();
        qualityInspectLambdaQueryWrapper.ge(QualityInspect::getCheckTime, startOfWeek)
                .gt(QualityInspect::getCheckTime, endOfWeek);
        List<QualityInspect> qualityInspects = qualityStatisticsMapper.selectList(qualityInspectLambdaQueryWrapper);
        QualityStatisticsDto qualityStatisticsDto = new QualityStatisticsDto();
        qualityStatisticsDto.setSupplierNum(qualityInspects.stream().filter(item -> item.getInspectType().equals(0)).map(QualityInspect::getQuantity).reduce(BigDecimal.ZERO, BigDecimal::add));
        qualityStatisticsDto.setProcessNum(qualityInspects.stream().filter(item -> item.getInspectType().equals(1)).map(QualityInspect::getQuantity).reduce(BigDecimal.ZERO, BigDecimal::add));
        qualityStatisticsDto.setFactoryNum(qualityInspects.stream().filter(item -> item.getInspectType().equals(2)).map(QualityInspect::getQuantity).reduce(BigDecimal.ZERO, BigDecimal::add));
        List<QualityStatisticsItem> qualityStatisticsItems = new ArrayList<>();
        for (int j = 1; j < 8; j++) {
            LocalDate endTime = startOfWeek.plusDays(j);
            LocalDate startTime = endTime.minusDays(1);
            QualityStatisticsItem qualityStatisticsItem = new QualityStatisticsItem();
            qualityStatisticsItem.setDate(startTime.toString());
            qualityStatisticsItem.setSupplierNum(qualityInspects.stream()
                    .filter(item -> item.getInspectType().equals(0) && "不合格".equals(item.getCheckResult())
                            && (startTime.isEqual(item.getCheckTime().toInstant().atZone(ZoneId.systemDefault()).toLocalDate()) || startTime.isAfter(item.getCheckTime().toInstant().atZone(ZoneId.systemDefault()).toLocalDate()))
                            && endTime.isBefore(item.getCheckTime().toInstant().atZone(ZoneId.systemDefault()).toLocalDate()))
                    .map(QualityInspect::getQuantity)
                    .reduce(BigDecimal.ZERO, BigDecimal::add)
            );
            qualityStatisticsItem.setFactoryNum(qualityInspects.stream()
                    .filter(item -> item.getInspectType().equals(1) && "不合格".equals(item.getCheckResult())
                            && (startTime.isEqual(item.getCheckTime().toInstant().atZone(ZoneId.systemDefault()).toLocalDate()) || startTime.isAfter(item.getCheckTime().toInstant().atZone(ZoneId.systemDefault()).toLocalDate()))
                            && endTime.isBefore(item.getCheckTime().toInstant().atZone(ZoneId.systemDefault()).toLocalDate()))
                    .map(QualityInspect::getQuantity)
                    .reduce(BigDecimal.ZERO, BigDecimal::add)
            );
            qualityStatisticsItem.setProcessNum(qualityInspects.stream()
                    .filter(item -> item.getInspectType().equals(2) && "不合格".equals(item.getCheckResult())
                            && (startTime.isEqual(item.getCheckTime().toInstant().atZone(ZoneId.systemDefault()).toLocalDate()) || startTime.isAfter(item.getCheckTime().toInstant().atZone(ZoneId.systemDefault()).toLocalDate()))
                            && endTime.isBefore(item.getCheckTime().toInstant().atZone(ZoneId.systemDefault()).toLocalDate()))
                    .map(QualityInspect::getQuantity)
                    .reduce(BigDecimal.ZERO, BigDecimal::add));
            qualityStatisticsItems.add(qualityStatisticsItem);
        }
        qualityStatisticsDto.setItem(qualityStatisticsItems);
        return qualityStatisticsDto;
    }

    @Override
    public List<ApproveProcess> todos() {
        LoginUser loginUser = SecurityUtils.getLoginUser();
        LambdaQueryWrapper<ApproveProcess> approveProcessLambdaQueryWrapper = new LambdaQueryWrapper<>();
        approveProcessLambdaQueryWrapper.eq(ApproveProcess::getApproveDelete, 0)
                .eq(ApproveProcess::getApproveUserCurrentId, loginUser.getUserId())
                .ne(ApproveProcess::getApproveStatus, 2)
                .eq(ApproveProcess::getTenantId, loginUser.getTenantId());
        return approveProcessMapper.selectList(approveProcessLambdaQueryWrapper);
    }

    /**
     *
     * @param type 1-周 2-月 3-季度
     * @return
     */
    @Override
    public StatisticsReceivablePayableDto statisticsReceivablePayable(Integer type) {
        LocalDate today = LocalDate.now();
        LocalDate startDate = null;
        LocalDate endDate = null;
        switch (type){
            case 1:
                // 获取本周周一
                startDate = today.with(DayOfWeek.MONDAY);
                // 获取本周周日
                endDate = today.with(DayOfWeek.SUNDAY);
                break;
            case 2:
                startDate = today.with(TemporalAdjusters.firstDayOfMonth());
                endDate = today.with(TemporalAdjusters.lastDayOfMonth());
                break;
            case 3:
                Month currentMonth = today.getMonth();
                Month firstMonthOfQuarter = currentMonth.firstMonthOfQuarter();
                Month lastMonthOfQuarter = Month.of(firstMonthOfQuarter.getValue() + 2);

                startDate = today.withMonth(firstMonthOfQuarter.getValue())
                        .with(TemporalAdjusters.firstDayOfMonth());
                endDate = today.withMonth(lastMonthOfQuarter.getValue())
                        .with(TemporalAdjusters.lastDayOfMonth());
                break;
        }
        // 应收
        List<SalesLedger> salesLedgers = salesLedgerMapper.selectList(new LambdaQueryWrapper<SalesLedger>()
                .ge(SalesLedger::getEntryDate, startDate)
                .lt(SalesLedger::getEntryDate, endDate)
        );
        BigDecimal receivableMoney = salesLedgers.stream().map(SalesLedger::getContractAmount).reduce(BigDecimal.ZERO, BigDecimal::add);
        // 应付
        List<PurchaseLedger> procurementRecords = purchaseLedgerMapper.selectList(new LambdaQueryWrapper<PurchaseLedger>()
                .ge(PurchaseLedger::getEntryDate, startDate)
                .lt(PurchaseLedger::getEntryDate, endDate)
        );
        BigDecimal payableMoney = procurementRecords.stream().map(PurchaseLedger::getContractAmount).reduce(BigDecimal.ZERO, BigDecimal::add);
        // 预收
        List<ReceiptPayment> receiptPayments = receiptPaymentMapper.selectList(new LambdaQueryWrapper<ReceiptPayment>()
                .ge(ReceiptPayment::getReceiptPaymentDate, startDate)
                .lt(ReceiptPayment::getReceiptPaymentDate, endDate));
        BigDecimal advanceMoney = receiptPayments.stream().map(ReceiptPayment::getReceiptPaymentAmount).reduce(BigDecimal.ZERO, BigDecimal::add);
        // 预付
        List<PaymentRegistration> paymentRegistrations = paymentRegistrationMapper.selectList(new LambdaQueryWrapper<PaymentRegistration>()
                .ge(PaymentRegistration::getPaymentDate, startDate)
                .lt(PaymentRegistration::getPaymentDate, endDate));
        BigDecimal prepayMoney = paymentRegistrations.stream().map(PaymentRegistration::getCurrentPaymentAmount).reduce(BigDecimal.ZERO, BigDecimal::add);
        StatisticsReceivablePayableDto statisticsReceivablePayableDto = new StatisticsReceivablePayableDto();
        statisticsReceivablePayableDto.setPayableMoney(payableMoney);
        statisticsReceivablePayableDto.setReceivableMoney(receivableMoney);
        statisticsReceivablePayableDto.setAdvanceMoney(advanceMoney);
        statisticsReceivablePayableDto.setPrepayMoney(prepayMoney);

        return statisticsReceivablePayableDto;
    }
}