package com.ruoyi.web.controller.api;


import cn.afterturn.easypoi.excel.ExcelExportUtil;
import cn.afterturn.easypoi.excel.entity.ExportParams;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.ruoyi.common.annotation.Log;
import com.ruoyi.common.basic.PageInfo;
import com.ruoyi.common.constant.DictConstants;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.core.domain.R;
import com.ruoyi.common.enums.BusinessType;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.DictUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.WebUtils;
import com.ruoyi.system.dto.SetContractDto;
import com.ruoyi.system.dto.TContractDTO;
import com.ruoyi.system.dto.THouseDTO;
import com.ruoyi.system.dto.TerminateContractDTO;
import com.ruoyi.system.export.ContractExport;
import com.ruoyi.system.export.OpticalInspectionExport;
import com.ruoyi.system.model.*;
import com.ruoyi.system.query.TContractBillQuery;
import com.ruoyi.system.query.TContractQuery;
import com.ruoyi.system.query.THouseQuery;
import com.ruoyi.system.query.TUserHistoryQuery;
import com.ruoyi.system.service.*;
import com.ruoyi.system.vo.BillVO;
import com.ruoyi.system.vo.CheckAcceptRecordVO;
import com.ruoyi.system.vo.HouseVO;
import com.ruoyi.web.controller.tool.NumberToChineseUtils;
import com.ruoyi.web.controller.tool.WordUtil;
import io.swagger.annotations.Api;
import com.ruoyi.system.vo.TContractVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.apache.poi.ss.usermodel.Workbook;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.math.BigDecimal;
import java.net.URLEncoder;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.temporal.ChronoUnit;
import java.util.*;

/**
 * <p>
 * 合同管理 前端控制器
 * </p>
 *
 * @author xiaochen
 * @since 2025-01-17
 */
@Api(tags = "合同管理")
@RestController
@RequestMapping("/t-contract")
public class TContractController {
    @Autowired
    private TContractService contractService;
    @Autowired
    private TContractRentTypeService contractRentTypeService;
    @Autowired
    private THouseService houseService;
    @Autowired
    private TBillService billService;
    @Autowired
    private TCheckAcceptRecordService checkAcceptRecordService;
    @ApiOperation(value = "测试生成账单")
    @PostMapping(value = "/testBill")

    public R testBill(String id) {
        TContract contract = contractService.getById(id);
        // 查询所有已签订的合同并且未生成第一笔账单的

        List<TBill> bills = new ArrayList<>();
        List<TContractRentType> contractRentTypes = contractRentTypeService.list();
            contract.setFirstPayTime(contract.getStartTime().plusDays(10));
            // 第一次应缴费日期
            LocalDateTime firstPayTime = contract.getStartTime().plusDays(10).withHour(0).withMinute(0).withSecond(0);
            LocalDate localDate = contract.getStartTime().plusDays(10).toLocalDate();
            LocalDate now = LocalDate.now();
            TBill rentBill = new TBill();
            rentBill.setContractId(contract.getId());
            rentBill.setContractNumber(contract.getContractNumber());
            LocalDateTime startPayTime = contract.getStartPayTime();
            LocalDateTime endTime1 = contract.getEndTime();
//                // 计算两个时间相差多少天
//                // 如果时间小于30天 需要计算每日租金
//                if (days<30){
//                    rentBill.setPayableFeesMoney(contract.getMonthRent().divide(new BigDecimal("30"),2,BigDecimal.ROUND_DOWN).multiply(new BigDecimal(days)));
//                }else{
//                    rentBill.setPayableFeesMoney(contract.getPayType().equals("1")?contract.getMonthRent():
//                            contract.getPayType().equals("2")?contract.getMonthRent().multiply(new BigDecimal("3")):contract.getMonthRent().multiply(new BigDecimal("12")).setScale(2,BigDecimal.ROUND_DOWN));
//                }
            rentBill.setPayableFeesTime(firstPayTime);
            rentBill.setPayFeesStatus("1");
            rentBill.setBillType("1");
            rentBill.setStartTime(contract.getStartPayTime());
            TContractRentType tContractRentType = contractRentTypes.stream().filter(e -> e.getContractId().equals(contract.getId())).findFirst().orElse(null);

            if (tContractRentType!=null && contract.getStartPayTime().plusMonths(contract.getPayType().equals("1")? 1:contract.getPayType().equals("2")? 3:12).isAfter(tContractRentType.getChangeTime())){
                // 计算租金变动的天数
                long moneyDays = ChronoUnit.DAYS.between(tContractRentType.getChangeTime(), contract.getStartPayTime().plusMonths(contract.getPayType().equals("1")? 1:contract.getPayType().equals("2")? 3:12))+1L;
                contract.setChangeTime(LocalDateTime.now());
                // 递增递减的租金
                BigDecimal contractRentTypeMoney = new BigDecimal("0");
                // 不递增递减的租金
                BigDecimal originalMoney = new BigDecimal("0");
                // 原租金
                switch (tContractRentType.getIncreasingDecreasingType()){
                    case 1:
                        switch (tContractRentType.getIncreasingDecreasing()){
                            case 1:
                                contractRentTypeMoney =contractRentTypeMoney.add(contract.getChangeRent().multiply(new BigDecimal(100).add(tContractRentType.getNumericalValue())).divide(new BigDecimal(100),2,BigDecimal.ROUND_DOWN).divide(new BigDecimal(30), 2, BigDecimal.ROUND_DOWN).multiply(new BigDecimal(moneyDays)));
                                contract.setChangeRent(contractRentTypeMoney.add(contract.getChangeRent().multiply(new BigDecimal(100).add(tContractRentType.getNumericalValue())).divide(new BigDecimal(100),2,BigDecimal.ROUND_DOWN)));
                                break;
                            case 2:
                                contractRentTypeMoney = contractRentTypeMoney.add(contract.getChangeRent().multiply(new BigDecimal(100).subtract(tContractRentType.getNumericalValue())).divide(new BigDecimal(100),2,BigDecimal.ROUND_DOWN).divide(new BigDecimal(30), 2, BigDecimal.ROUND_DOWN).multiply(new BigDecimal(moneyDays)));
                                contract.setChangeRent(contractRentTypeMoney.add(contract.getChangeRent().multiply(new BigDecimal(100).subtract(tContractRentType.getNumericalValue())).divide(new BigDecimal(100),2,BigDecimal.ROUND_DOWN)));
                                break;
                        }
                        break;
                    case 2:
                        switch (tContractRentType.getIncreasingDecreasing()){
                            case 1:
                                contractRentTypeMoney =contractRentTypeMoney.add(contract.getChangeRent().add(tContractRentType.getNumericalValue())).divide(new BigDecimal(30), 2, BigDecimal.ROUND_DOWN).multiply(new BigDecimal(moneyDays));
                                contract.setChangeRent(contractRentTypeMoney.add(contract.getChangeRent().add(tContractRentType.getNumericalValue())));
                                break;
                            case 2:
                                contractRentTypeMoney = contractRentTypeMoney.add(contract.getChangeRent().subtract(tContractRentType.getNumericalValue())).divide(new BigDecimal(30), 2, BigDecimal.ROUND_DOWN).multiply(new BigDecimal(moneyDays));
                                contract.setChangeRent(contractRentTypeMoney.add(contract.getChangeRent().subtract(tContractRentType.getNumericalValue())));

                                break;
                        }
                        break;
                }
                // 不需要涨租金的时间段
                long originalDays = ChronoUnit.DAYS.between(contract.getFirstPayTime(), tContractRentType.getChangeTime());
                originalMoney=originalMoney.add(contract.getMonthRent().divide(new BigDecimal(30), 2, BigDecimal.ROUND_DOWN))
                        .multiply(new BigDecimal(originalDays));
                rentBill.setPayableFeesMoney(contractRentTypeMoney.add(originalMoney));
                rentBill.setOutstandingMoney(rentBill.getPayableFeesMoney());
                if (contract.getFirstPayTime().plusMonths(contract.getPayType().equals("1")? 1:contract.getPayType().equals("2")? 3:12).isAfter(contract.getEndTime())){
                    rentBill.setEndTime(contract.getFirstPayTime().plusMonths(contract.getPayType().equals("1")? 1:contract.getPayType().equals("2")? 3:12));
                }else{
                    rentBill.setEndTime(contract.getEndTime());
                }
            }else{
                if (contract.getFirstPayTime().plusMonths(contract.getPayType().equals("1")? 1:contract.getPayType().equals("2")? 3:12).isAfter(contract.getEndTime())){
                    rentBill.setEndTime(contract.getFirstPayTime().plusMonths(contract.getPayType().equals("1")? 1:contract.getPayType().equals("2")? 3:12));
                }else{
                    rentBill.setEndTime(contract.getEndTime());
                }
                // 不走递增递减
                long allDays = ChronoUnit.DAYS.between(contract.getFirstPayTime(), rentBill.getEndTime());
                rentBill.setPayableFeesMoney(contract.getMonthRent().divide(new BigDecimal(30), 2, BigDecimal.ROUND_DOWN).multiply(new BigDecimal(allDays)));
                rentBill.setOutstandingMoney(rentBill.getPayableFeesMoney());

            }
            // 租金账单
            bills.add(rentBill);
            // 押金账单
            TBill depositBill = new TBill();
            depositBill.setContractId(contract.getId());
            depositBill.setContractNumber(contract.getContractNumber());
            depositBill.setPayableFeesMoney(contract.getDeposit());
            depositBill.setOutstandingMoney(depositBill.getPayableFeesMoney());

            depositBill.setPayableFeesTime(firstPayTime);
            depositBill.setPayFeesStatus("1");
            depositBill.setBillType("2");
        contractService.updateById(contract);
        billService.save(rentBill);
        billService.save(depositBill);
        return R.ok();
    }
    @ApiOperation(value = "获取合同分页列表")
    @PostMapping(value = "/contractList")
    @PreAuthorize("@ss.hasPermi('system:contract:list')")

    public R<PageInfo<TContract>> contractList(@RequestBody TContractQuery query) {
        return R.ok(contractService.contractList(query));
    }
    @Log(title = "合同管理-新增合同", businessType = BusinessType.INSERT)
    @ApiOperation(value = "新增合同")
    @PostMapping(value = "/addContract")
    @PreAuthorize("@ss.hasPermi('system:contract:add')")
    public R<Boolean> addContract(@Validated @RequestBody TContractDTO dto) {
        dto.setChangeRent(dto.getMonthRent());
        contractService.save(dto);
        if (dto.getIsIncreasing()){
            TContractRentType tContractRentType = new TContractRentType();
            tContractRentType.setContractId(dto.getId());
            tContractRentType.setIncreasingDecreasing(dto.getIncreasingDecreasing());
            tContractRentType.setIncreasingDecreasingType(dto.getIncreasingDecreasingType());
            tContractRentType.setNumericalValue(dto.getNumericalValue());
            tContractRentType.setChangeTime(dto.getChangeTime());
            tContractRentType.setCycleTime(dto.getCycleTime());
            contractRentTypeService.save(tContractRentType);
        }
        return R.ok();
    }
    @Log(title = "合同管理-编辑合同", businessType =  BusinessType.UPDATE)
    @ApiOperation(value = "编辑合同")
    @PostMapping(value = "/updateContract")
    @PreAuthorize("@ss.hasPermi('system:contract:update')")

    public R<Boolean> updateContract(@Validated @RequestBody TContractDTO dto) {
        contractService.updateById(dto);
        contractRentTypeService.remove(new LambdaQueryWrapper<TContractRentType>()
                .eq(TContractRentType::getContractId,dto.getId()));
        if (dto.getIsIncreasing()){
            TContractRentType tContractRentType = new TContractRentType();
            tContractRentType.setContractId(dto.getId());
            tContractRentType.setIncreasingDecreasing(dto.getIncreasingDecreasing());
            tContractRentType.setIncreasingDecreasingType(dto.getIncreasingDecreasingType());
            tContractRentType.setNumericalValue(dto.getNumericalValue());
            tContractRentType.setChangeTime(dto.getChangeTime());
            tContractRentType.setCycleTime(dto.getCycleTime());
            contractRentTypeService.save(tContractRentType);
        }
        return R.ok();
    }
    @Log(title = "合同管理-批量删除合同", businessType = BusinessType.DELETE)
    @ApiOperation(value = "批量删除合同")
    @PreAuthorize("@ss.hasPermi('system:contract:delete')")

    @DeleteMapping(value = "/deleteContractByIds")
    public R<Boolean> deleteContractByIds
            (@RequestParam String ids) {
        if (StringUtils.isNotEmpty(ids)){
            contractService.removeBatchByIds(Arrays.asList(ids.split(",")));
        }
        return R.ok();
    }

    @ApiOperation(value = "查询合同信息信息")
    @GetMapping(value = "/getContractById")
    @PreAuthorize("@ss.hasPermi('system:contract:detail')")

    public R<TContractVO> getContractById(@RequestParam String id) {
        TContractVO res = new TContractVO();
        TContract contract = contractService.getById(id);
        BeanUtils.copyProperties(contract,res);
        res.setPayType(DictUtils.getDictLabel(DictConstants.DICT_TYPE_CONTRACT_PAY_TYPE,res.getPayType()));
        res.setStatus(DictUtils.getDictLabel(DictConstants.DICT_TYPE_CONTRACT_STATUS,res.getStatus()));
        TContractRentType contractRentType = contractRentTypeService.lambdaQuery().eq(TContractRentType::getContractId, id).one();
        if (contractRentType!=null){
            BeanUtils.copyProperties(contractRentType,res);
        }
        TContract oldContract = contractService.getOne(new LambdaQueryWrapper<TContract>()
                        .eq(TContract::getHouseId,contract.getHouseId())
                .eq(TContract::getStatus, 4)
                .le(TContract::getStartTime, LocalDateTime.now())
                .ge(TContract::getEndTime, LocalDateTime.now()));
        THouse house = houseService.getById(contract.getHouseId());
        if (oldContract!=null){
            house.setTenantType(oldContract.getPayType());
        }
        res.setHouse(house);
        List<TBill> list = billService.lambdaQuery()
                .eq(TBill::getContractId, id)
                .in(TBill::getPayFeesStatus, Arrays.asList("1,4"))
                .list();
        BigDecimal payMoney = new BigDecimal("0");
        for (TBill tBill : list) {
            payMoney = payMoney.add(tBill.getPayFeesMoney()).add(tBill.getPayableFeesPenalty());
        }
        TCheckAcceptRecord tCheckAcceptRecord = checkAcceptRecordService.lambdaQuery().eq(TCheckAcceptRecord::getContractId, id).one();
        res.setCheckResult(Objects.nonNull(tCheckAcceptRecord)?tCheckAcceptRecord.getCheckResult():false);
        res.setPayMoney(payMoney);

        return R.ok(res);
    }
    @Log(title = "合同管理-撤销审批", businessType =  BusinessType.UPDATE)
    @ApiOperation(value = "撤销审批")
    @PreAuthorize("@ss.hasPermi('system:contract:revoke')")

    @GetMapping(value = "/updateContractStatus")
    public R<Boolean> updateContractStatus(String id) {
        TContract contract = contractService.getById(id);
        contract.setStatus("1");
        contractService.updateById(contract);
        return R.ok();
    }
    @PreAuthorize("@ss.hasPermi('system:contract:confirm')")

    @Log(title = "合同管理-确认结算", businessType =  BusinessType.UPDATE)
    @ApiOperation(value = "确认结算")
    @PostMapping(value = "/confirmSettlement")

    public R<Boolean> confirmSettlement(String id) {
        TContract contract = contractService.getById(id);
        contract.setStatus("8");
        contractService.updateById(contract);
        return R.ok();
    }
    @ApiOperation(value = "终止合同剩余未缴费账单列表")
    @PostMapping(value = "/contractBillList")
    @PreAuthorize("@ss.hasPermi('system:contract:billList')")
    public R<PageInfo<BillVO>> contractBillList(@RequestBody TContractBillQuery query) {
        return R.ok(contractService.contractBillList(query));
    }
    @ApiOperation(value = "终止合同")
    @PostMapping(value = "/terminateContract")
    @PreAuthorize("@ss.hasPermi('system:contract:terminate')")
    public R terminateContract(@RequestBody TerminateContractDTO dto) {
        contractService.terminateContract(dto);
        return R.ok();
    }
    @ApiOperation(value = "根据合同id查看验收记录")
    @GetMapping(value = "/getCheckByContractId")
    @PreAuthorize("@ss.hasPermi('system:contract:checkDetail')")
    public R<CheckAcceptRecordVO> getCheckByContractId(String id) {
        return R.ok(contractService.getCheckByContractId(id));
    }
    @Autowired
    private WordUtil wordUtil;
    @ApiOperation(value = "生成合同附件")
    @PostMapping("/set")
    @Log(title = "生成合同附件", businessType = BusinessType.EXPORT)
    @PreAuthorize("@ss.hasPermi('system:contract:set')")
    public R<List<String>> set(@RequestBody SetContractDto dto,HttpServletResponse response){
        List<TContract> list = contractService.lambdaQuery().in(TContract::getId, dto.getIds()).list();
        List<String> res = new ArrayList<>();
        for (TContract contract : list) {
            THouse tHouse = houseService.getById(contract.getHouseId());
            Map<String, Object> templateParam = new HashMap<>(5);
            templateParam.put("partyOneName", contract.getPartyOneName());
            templateParam.put("partyTwoName", contract.getPartyTwoName());
            templateParam.put("houseAddress", tHouse.getHouseAddress());
            templateParam.put("houseArea", tHouse.getHouseArea()+"m²");
            templateParam.put("startTime", DateUtils.localDateTimeToStringYear(contract.getStartTime()));
            templateParam.put("endTime", DateUtils.localDateTimeToStringYear(contract.getEndTime()));
            templateParam.put("monthRent", "￥￥"+contract.getMonthRent()+"元");
            templateParam.put("monthRentString", "人民币"+NumberToChineseUtils.numberToChinese(contract.getMonthRent().setScale(2, BigDecimal.ROUND_DOWN).doubleValue()));
            templateParam.put("totalYear", "￥￥"+contract.getTotalYear()+"元");
            templateParam.put("totalYearString", "人民币"+NumberToChineseUtils.numberToChinese(contract.getTotalYear().setScale(2, BigDecimal.ROUND_DOWN).doubleValue()));
            templateParam.put("payType", contract.getPayType().equals("1")?"月":contract.getPayType().equals("2")?"季":"年");
            templateParam.put("firstRent", "￥"+(contract.getPayType().equals("1")?contract.getMonthRent():contract.getPayType().equals("2")?contract.getMonthRent().multiply(new BigDecimal("3")):contract.getMonthRent().multiply(new BigDecimal("12"))).setScale(2,BigDecimal.ROUND_DOWN)+"元");
            templateParam.put("firstRentString", "人民币"+NumberToChineseUtils.numberToChinese((contract.getPayType().equals("1")?contract.getMonthRent():contract.getPayType().equals("2")?contract.getMonthRent().multiply(new BigDecimal("3")):contract.getMonthRent().multiply(new BigDecimal("12")).setScale(2,BigDecimal.ROUND_DOWN)).doubleValue()));
            templateParam.put("nextPayTime", contract.getPayType().equals("1")?"月":contract.getPayType().equals("2")?"季":"年");
            templateParam.put("deposit", "￥"+contract.getDeposit()+"元");
            templateParam.put("depositString", NumberToChineseUtils.numberToChinese(contract.getDeposit().setScale(2, BigDecimal.ROUND_DOWN).doubleValue()));
            templateParam.put("partyOnePerson", contract.getPartyOnePerson());
            templateParam.put("partyOnePhone", contract.getPartyOnePhone());
            templateParam.put("partyTwoPerson", contract.getPartyTwoPerson());
            templateParam.put("partyTwoPhone", contract.getPartyTwoPhone());
            String url = wordUtil.generatePdf("/templates", "1_yzj_租赁合同.xml", templateParam, "租赁合同", "E:\\");
            res.add(url);
        }

        return R.ok(res);
    }

    /**
     * 导出
     */
    @ApiOperation(value = "导出")
    @PreAuthorize("@ss.hasPermi('system:contract:export')")
    @Log(title = "导出", businessType = BusinessType.EXPORT)
    @PostMapping("/export")
    public void exportOpticalInspection(@RequestBody TContractQuery query)
    {
        List<ContractExport> contractExports = new ArrayList<>();
        List<TContract> exportList = contractService.contractExportList(query);
        for (TContract contract : exportList) {
            ContractExport contractExport = new ContractExport();
            contractExport.setContractNumber(contract.getContractNumber());
            contractExport.setContractName(contract.getContractName());
            contractExport.setPartyOneName(contract.getPartyOneName());
            contractExport.setPartyTwoName(contract.getPartyTwoName());
            contractExport.setCreate_time(contract.getCreateTime());
            contractExport.setStartTime(contract.getStartTime());
            contractExport.setEndTime(contract.getEndTime());
            contractExport.setPayType(DictUtils.getDictLabel(DictConstants.DICT_TYPE_CONTRACT_PAY_TYPE,contract.getPayType()));
            contractExport.setDeposit(contract.getDeposit()+"");
            contractExport.setStatus(DictUtils.getDictLabel(DictConstants.DICT_TYPE_CONTRACT_STATUS,contract.getStatus()));
        }
        Workbook workbook = ExcelExportUtil.exportExcel(new ExportParams(), ContractExport.class, contractExports);
        HttpServletResponse response = WebUtils.response();
        response.setContentType("application/vnd.ms-excel");
        response.setCharacterEncoding("utf-8");
        ServletOutputStream outputStream = null;
        try {
            String fileName = URLEncoder.encode("合同列表.xls", "utf-8");
            response.setHeader("Content-Disposition", "attachment;filename=" + fileName);
            response.setContentType("application/vnd.ms-excel;charset=UTF-8");
            response.setHeader("Pragma", "no-cache");
            response.setHeader("Cache-Control", "no-cache");
            outputStream = response.getOutputStream();
            workbook.write(outputStream);
        } catch (IOException e) {
            e.printStackTrace();
            System.err.println("合同列表信息导出失败");
        } finally {
            try {
                outputStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}