package com.ruoyi.web.controller.api;


import cn.afterturn.easypoi.excel.ExcelExportUtil;
import cn.afterturn.easypoi.excel.ExcelImportUtil;
import cn.afterturn.easypoi.excel.entity.ExportParams;
import cn.afterturn.easypoi.excel.entity.ImportParams;
import cn.hutool.json.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.ruoyi.common.annotation.Log;
import com.ruoyi.common.basic.PageInfo;
import com.ruoyi.common.core.domain.R;
import com.ruoyi.common.core.domain.model.LoginUser;
import com.ruoyi.common.core.exception.ServiceException;
import com.ruoyi.common.enums.BusinessType;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.WebUtils;
import com.ruoyi.framework.web.service.TokenService;
import com.ruoyi.system.export.BigGiftPackageImport;
import com.ruoyi.system.model.TBigGiftPackage;
import com.ruoyi.system.query.BigGiftPackageQuery;
import com.ruoyi.system.service.TBigGiftPackageService;
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.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStream;
import java.math.BigDecimal;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;

/**
 * <p>
 * 大礼包 前端控制器
 * </p>
 *
 * @author xiaochen
 * @since 2025-12-08
 */
@RestController
@RequestMapping("/t-big-gift-package")
@Api(tags = "(嘉视达)大礼包")
public class TBigGiftPackageController {

    private final TBigGiftPackageService tBigGiftPackageService;
    private final TokenService tokenService;

    public TBigGiftPackageController(TBigGiftPackageService tBigGiftPackageService, TokenService tokenService) {
        this.tBigGiftPackageService = tBigGiftPackageService;
        this.tokenService = tokenService;
    }

    @ApiOperation(value = "大礼包分页列表")
    @PostMapping(value = "/pageList")
    public R<Page<TBigGiftPackage>> pageList(@RequestBody BigGiftPackageQuery query) {
        Page<TBigGiftPackage> tBigGiftPackagePage = new Page<>(query.getPageNum(), query.getPageSize());
        LambdaQueryWrapper<TBigGiftPackage> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(TBigGiftPackage::getStatus,1);
        wrapper.like(Objects.nonNull(query.getName()), TBigGiftPackage::getName, query.getName());
        wrapper.orderByDesc(TBigGiftPackage::getCreateTime);

        Page<TBigGiftPackage> pageInfo = tBigGiftPackageService.page(tBigGiftPackagePage, wrapper);
        return R.ok(pageInfo);
    }

    @ApiOperation(value = "大礼包详情")
    @GetMapping(value = "/detail/{id}")
    public R<TBigGiftPackage> detail(@PathVariable Integer id ) {
        TBigGiftPackage tBigGiftPackage = tBigGiftPackageService.getById(id);
        return R.ok(tBigGiftPackage);
    }


    @ApiOperation(value = "大礼包添加")
    @PostMapping(value = "/add")
    @Log(title = "大礼包-添加", businessType = BusinessType.INSERT)
    public R<String> add(@RequestBody TBigGiftPackage tBigGiftPackage) {

        LoginUser loginUser = tokenService.getLoginUser();
        tBigGiftPackage.setCreateUserId(loginUser.getUserId());
        boolean save = tBigGiftPackageService.save(tBigGiftPackage);
        if (save) {
            return R.ok("添加成功");
        }
        return R.fail("添加失败");
    }

    @ApiOperation(value = "大礼包修改")
    @PostMapping(value = "/update")
    @Log(title = "大礼包-修改", businessType = BusinessType.UPDATE)
    public R<String> update(@RequestBody TBigGiftPackage tBigGiftPackage) {

        LoginUser loginUser = tokenService.getLoginUser();
        tBigGiftPackage.setUpdateUserId(loginUser.getUserId());
        boolean update = tBigGiftPackageService.updateById(tBigGiftPackage);
        if (update) {
            return R.ok("修改成功");
        }
        return R.fail("修改失败");
    }

    @ApiOperation(value = "大礼包删除")
    @DeleteMapping(value = "/delete/{id}")
    @Log(title = "大礼包-删除", businessType = BusinessType.DELETE)
    public R<String> delete(@PathVariable Integer id ) {
        TBigGiftPackage bigGiftPackage = tBigGiftPackageService.getById(id);
        bigGiftPackage.setStatus(0);
        bigGiftPackage.setUpdateUserId(tokenService.getLoginUser().getUserId());
        boolean remove = tBigGiftPackageService.updateById(bigGiftPackage);
        if (remove) {
            return R.ok("删除成功");
        }
        return R.fail("删除失败");
    }


    @ApiOperation(value = "大礼包导入模板下载")
    @GetMapping("/import-template")
    public void importTemplate() {
        List<BigGiftPackageImport> bigGiftPackageImports = new ArrayList<>();
        BigGiftPackageImport bigGiftPackageImport = new BigGiftPackageImport();
        bigGiftPackageImports.add(bigGiftPackageImport);
        Workbook workbook = ExcelExportUtil.exportExcel(new ExportParams(), BigGiftPackageImport.class, bigGiftPackageImports);
        HttpServletResponse response = WebUtils.response();
        ServletOutputStream outputStream = null;
        try {
            String fileName = URLEncoder.encode("大礼包商品导入模板.xls", "utf-8");
            response.setHeader("Content-Disposition", "attachment;filename=" + fileName);
            response.setHeader("content-Type", "application/vnd.ms-excel");
            response.setHeader("Pragma", "no-cache");
            response.setHeader("Cache-Control", "no-cache");
            outputStream = response.getOutputStream();
            workbook.write(outputStream);
        } catch (IOException e) {
            e.printStackTrace();
            System.out.println("大礼包商品导入模板下载失败!");
        } finally {
            try {
                outputStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    @Log(title = "大礼包商品-导入", businessType = BusinessType.INSERT)
    @ApiOperation(value = "大礼包商品-导入")
    @Transactional(rollbackFor = Exception.class, propagation = Propagation.REQUIRES_NEW)
    @PostMapping("/import")
    public R<String> importInfo(@RequestPart("file") MultipartFile file) {
        List<BigGiftPackageImport> bigGiftPackageImports = new ArrayList<>();
        ImportParams params = new ImportParams();
        params.setHeadRows(1); //表头行数
        InputStream inputStream = null;
        List<TBigGiftPackage> bigGiftPackages = new ArrayList<>();
        try {
            inputStream = file.getInputStream();
            bigGiftPackageImports = ExcelImportUtil.importExcel(inputStream,
                    BigGiftPackageImport.class, params);
        } catch (Exception e) {
            e.printStackTrace();
            throw new ServiceException("大礼包商品导入失败!");
        } finally {
            try {
                inputStream.close();
            } catch (IOException e) {
                throw new ServiceException(e.getMessage());
            }
        }
        if (CollectionUtils.isEmpty(bigGiftPackageImports)) {
            throw new ServiceException("大礼包商品数据为空!");
        }
        JSONObject result = new JSONObject();
        int i = 1;
        for (BigGiftPackageImport bigGiftPackageImport : bigGiftPackageImports) {
            if (!StringUtils.hasLength(bigGiftPackageImport.getCode())){
                result.append("第"+i+"行：[", "商品ID"+"]不能为空");
                continue;
            }
            if (!StringUtils.hasLength(bigGiftPackageImport.getName())){
                result.append("第"+i+"行：[", "商品名称"+"]不能为空");
                continue;
            }
            if (!StringUtils.hasLength(bigGiftPackageImport.getTotalPrice())){
                result.append("第"+i+"行：[", "商品总价"+"]不能为空");
                continue;
            }
            if (!StringUtils.hasLength(bigGiftPackageImport.getDeposit())){
                result.append("第"+i+"行：[", "定金"+"]不能为空");
                continue;
            }
            if (!StringUtils.hasLength(bigGiftPackageImport.getPointsSettlementPrice())){
                result.append("第"+i+"行：[", "积分结算价格"+"]不能为空");
                continue;
            }
            if (!StringUtils.hasLength(bigGiftPackageImport.getIntroduction())){
                result.append("第"+i+"行：[", "商品简介"+"]不能为空");
                continue;
            }
            if (!StringUtils.hasLength(bigGiftPackageImport.getInventory())){
                result.append("第"+i+"行：[", "库存"+"]不能为空");
                continue;
            }
            TBigGiftPackage bigGiftPackage = new TBigGiftPackage();
            bigGiftPackage.setCode(bigGiftPackageImport.getCode());
            bigGiftPackage.setName(bigGiftPackageImport.getName());
            bigGiftPackage.setIntroduction(bigGiftPackageImport.getIntroduction());
            try {
                BigDecimal totalPrice = new BigDecimal(bigGiftPackageImport.getTotalPrice());
                bigGiftPackage.setTotalPrice(totalPrice);
            } catch (Exception e) {
                result.append("第"+i+"行：[", "商品总价"+"]格式错误");
                continue;
            }

            try {
                BigDecimal deposit = new BigDecimal(bigGiftPackageImport.getDeposit());
                bigGiftPackage.setDeposit(deposit);
            } catch (Exception e) {
                result.append("第"+i+"行：[", "商品定金"+"]格式错误");
                continue;
            }

            try {
                BigDecimal pointsSettlementPrice = new BigDecimal(bigGiftPackageImport.getPointsSettlementPrice());
                bigGiftPackage.setPointsSettlementPrice(pointsSettlementPrice);
            } catch (Exception e) {
                result.append("第"+i+"行：[", "积分结算价格"+"]格式错误");
                continue;
            }

            try {
                Integer inventory = Integer.parseInt(bigGiftPackageImport.getInventory());
                bigGiftPackage.setInventory(inventory);
            } catch (Exception e) {
                result.append("第"+i+"行：[", "库存"+"]格式错误");
                continue;
            }


            bigGiftPackages.add(bigGiftPackage);
            i++;
        }
        tBigGiftPackageService.saveBatch(bigGiftPackages);
        if(!result.isEmpty()){
            return R.fail(result.toString());
        }
        return R.ok();
    }


    @ApiOperation(value = "大礼包导出")
    @PostMapping(value = "/export")
    @Log(title = "大礼包-导出", businessType = BusinessType.EXPORT)
    public void exportRegistration(@RequestBody BigGiftPackageQuery query){

        LambdaQueryWrapper<TBigGiftPackage> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(TBigGiftPackage::getStatus,1);
        wrapper.like(Objects.nonNull(query.getName()), TBigGiftPackage::getName, query.getName());
        wrapper.orderByDesc(TBigGiftPackage::getCreateTime);
        List<TBigGiftPackage> list = tBigGiftPackageService.list(wrapper);
        ArrayList<BigGiftPackageImport> bigGiftPackageImports = new ArrayList<>();
        for (TBigGiftPackage tBigGiftPackage : list) {
            BigGiftPackageImport bigGiftPackageImport = new BigGiftPackageImport();
            bigGiftPackageImport.setCode(tBigGiftPackage.getCode());
            bigGiftPackageImport.setName(tBigGiftPackage.getName());
            bigGiftPackageImport.setTotalPrice(tBigGiftPackage.getTotalPrice().toString());
            bigGiftPackageImport.setDeposit(tBigGiftPackage.getDeposit().toString());
            bigGiftPackageImport.setPointsSettlementPrice(tBigGiftPackage.getPointsSettlementPrice().toString());
            bigGiftPackageImport.setIntroduction(tBigGiftPackage.getIntroduction());
            bigGiftPackageImport.setInventory(tBigGiftPackage.getInventory().toString());
            bigGiftPackageImports.add(bigGiftPackageImport);
        }


        Workbook workbook = ExcelExportUtil.exportExcel(new ExportParams(), BigGiftPackageImport.class, bigGiftPackageImports);
        HttpServletResponse response = WebUtils.response();
        assert response != null;
        response.setContentType("application/vnd.ms-excel");
        response.setCharacterEncoding("utf-8");
        ServletOutputStream outputStream = null;
        try {
            String fileName = URLEncoder.encode("大礼包导出信息.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();
        } finally {
            try {
                outputStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}