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.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.ruoyi.common.annotation.Log;
import com.ruoyi.common.core.domain.R;
import com.ruoyi.common.enums.BusinessType;
import com.ruoyi.common.utils.WebUtils;
import com.ruoyi.framework.web.service.TokenService;
import com.ruoyi.system.dto.RefundAuditDto;
import com.ruoyi.system.export.TPhysicalGoodsImport;
import com.ruoyi.system.model.*;
import com.ruoyi.system.query.BigGiftPackageQuery;
import com.ruoyi.system.service.TAppUserService;
import com.ruoyi.system.service.TBigGiftPackageOrderService;
import com.ruoyi.system.service.TBigGiftPackageService;
import com.ruoyi.system.service.TRefundApplicationService;
import com.ruoyi.system.vo.TRefundApplicationVo;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.apache.poi.ss.usermodel.Workbook;
import org.springframework.web.bind.annotation.*;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.net.URLEncoder;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;

/**
 * <p>
 * 退款申请 前端控制器
 * </p>
 *
 * @author xiaochen
 * @since 2025-12-08
 */
@RestController
@RequestMapping("/t-refund-application")
@Api(tags = "(嘉视达)退款申请")
public class TRefundApplicationController {
    private final TRefundApplicationService tRefundApplicationService;
    private final TokenService tokenService;
    private final TBigGiftPackageOrderService tBigGiftPackageOrderService;
    private final TAppUserService tAppUserService;
    private final TBigGiftPackageService tBigGiftPackageService;

    public TRefundApplicationController(TRefundApplicationService tRefundApplicationService, TokenService tokenService, TBigGiftPackageOrderService tBigGiftPackageOrderService, TAppUserService tAppUserService, TBigGiftPackageService tBigGiftPackageService) {
        this.tRefundApplicationService = tRefundApplicationService;
        this.tokenService = tokenService;
        this.tBigGiftPackageOrderService = tBigGiftPackageOrderService;
        this.tAppUserService = tAppUserService;
        this.tBigGiftPackageService = tBigGiftPackageService;
    }


    @ApiOperation(value = "退款申请列表")
    @PostMapping(value = "/pageRefundList")
    public R<Page<TBigGiftPackageOrder>> pageRefundList(@RequestBody BigGiftPackageQuery query) {
        Page<TBigGiftPackageOrder> page = tRefundApplicationService.pageRefundList(query);
        return R.ok(page);
    }


    @ApiOperation(value = "退款申请详情")
    @GetMapping(value = "/refundDetail/{id}")
    public R<TRefundApplicationVo> refundDetail(@PathVariable Integer id) {
        TRefundApplication refundApplication = tRefundApplicationService.getById(id);
        TRefundApplicationVo vo = new TRefundApplicationVo();
        vo.setId(refundApplication.getId());
        vo.setBigGiftPackageOrderId(refundApplication.getBigGiftPackageOrderId());

        // 订单信息
        TBigGiftPackageOrder order = tBigGiftPackageOrderService.getById(refundApplication.getBigGiftPackageOrderId());
        vo.setCode(order.getCode());
        vo.setCreateTime(order.getCreateTime());
        vo.setOrderPrice(order.getOrderPrice());

        // 用户信息
        TAppUser appUser = tAppUserService.getById(order.getAppUserId());
        vo.setUserName(appUser.getName());
        vo.setPhone(appUser.getPhone());


        // 商品信息
        TBigGiftPackage tBigGiftPackage = tBigGiftPackageService.getById(order.getBigGiftPackageId());
        vo.setBigGiftPackageName(tBigGiftPackage.getName());
        vo.setBigGiftPackageCover(tBigGiftPackage.getCoverImage());
        vo.setBigGiftPackagePrice(tBigGiftPackage.getTotalPrice());
        vo.setBigGiftPackageIntro(tBigGiftPackage.getIntroduction());

        // 销量
        long count = tBigGiftPackageOrderService.count(new LambdaQueryWrapper<TBigGiftPackageOrder>().eq(TBigGiftPackageOrder::getBigGiftPackageId, order.getBigGiftPackageId()).ne(TBigGiftPackageOrder::getStatus, 5));
        vo.setBigGiftPackageSales((int)count);

        // 支付信息
        vo.setStatus(order.getStatus());
        vo.setOrderAmount(order.getOrderPrice());
        vo.setFinalPayment(order.getFinalPayment());
        vo.setPaidTime(order.getFinalPaymentTime());
        vo.setRemark(order.getRemark());

        // 退款信息
        vo.setRefundReason(refundApplication.getRefundReason());
        vo.setVoucherPicture(refundApplication.getVoucherPicture());
        vo.setRefundStatus(refundApplication.getStatus());

        // 审核信息
        vo.setAuditRemark(refundApplication.getAuditRemark());
        vo.setAuditTime(refundApplication.getAuditTime());
        return R.ok(vo);
    }

    @ApiOperation(value = "退款申请删除")
    @DeleteMapping(value = "/delete/{id}")
    @Log(title = "退款申请-删除", businessType = BusinessType.DELETE)
    public R<String> delete(@PathVariable Integer id) {
        TRefundApplication refundApplication = tRefundApplicationService.getById(id);
        refundApplication.setDelFlag(1);
        tRefundApplicationService.updateById(refundApplication);
        return R.ok();
    }

    @ApiOperation(value = "退款申请审核")
    @PostMapping(value = "/refundAudit")
    @Log(title = "退款申请-审核", businessType = BusinessType.UPDATE)
    public R<String> refundAudit(@RequestBody RefundAuditDto dto) {
        TRefundApplication refundApplication = tRefundApplicationService.getById(dto.getId());
        refundApplication.setStatus(dto.getAuditStatus());
        refundApplication.setAuditTime(LocalDateTime.now());
        refundApplication.setAuditRemark(dto.getAuditRemark());
        Long userId = tokenService.getLoginUser().getUserId();
        refundApplication.setAuditUserId(userId);
        boolean b = tRefundApplicationService.updateById(refundApplication);
        if (b && dto.getAuditStatus()==2) {
            Integer bigGiftPackageOrderId = refundApplication.getBigGiftPackageOrderId();
            TBigGiftPackageOrder tBigGiftPackageOrder = tBigGiftPackageOrderService.getById(bigGiftPackageOrderId);
            tBigGiftPackageOrder.setStatus(5);
            tBigGiftPackageOrderService.updateById(tBigGiftPackageOrder);
        }
        return R.ok("操作成功");
    }


    @ApiOperation(value = "退款申请导出")
    @PostMapping(value = "/export")
    @Log(title = "退款申请-导出", businessType = BusinessType.EXPORT)
    public void exportRegistration(@RequestBody BigGiftPackageQuery query){

        List<TBigGiftPackageOrder> list = tRefundApplicationService.pageRefundExportList(query);


        Workbook workbook = ExcelExportUtil.exportExcel(new ExportParams(), TBigGiftPackageOrder.class, list);
        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("退款申请导出信息.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();
            }
        }
    }

}