package com.ruoyi.sales.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
// import com.ruoyi.approve.mapper.ApproveProcessMapper;
// import com.ruoyi.approve.service.impl.ApproveProcessServiceImpl;
// import com.ruoyi.approve.vo.ApproveProcessVO;
// import com.ruoyi.common.enums.FileNameType;
import com.ruoyi.approve.service.IApproveProcessService;
import com.ruoyi.approve.vo.ApproveProcessVO;
import com.ruoyi.common.utils.OrderUtils;
// import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.common.utils.poi.ExcelUtil;
import com.ruoyi.framework.aspectj.lang.annotation.Log;
import com.ruoyi.framework.aspectj.lang.enums.BusinessType;
// import com.ruoyi.framework.security.LoginUser;
import com.ruoyi.framework.security.LoginUser;
import com.ruoyi.framework.web.controller.BaseController;
import com.ruoyi.framework.web.domain.AjaxResult;
// import com.ruoyi.other.service.impl.TempFileServiceImpl;
// import com.ruoyi.procurementrecord.utils.StockUtils;
import com.ruoyi.sales.dto.ShippingInfoDto;
// import com.ruoyi.sales.mapper.ShipmentApprovalMapper;
import com.ruoyi.sales.mapper.ShippingInfoMapper;
import com.ruoyi.sales.pojo.SalesLedger;
import com.ruoyi.sales.pojo.SalesLedgerProduct;
// import com.ruoyi.sales.pojo.ShipmentApproval;
import com.ruoyi.sales.pojo.ShippingInfo;
import com.ruoyi.sales.service.ISalesLedgerProductService;
import com.ruoyi.sales.service.ISalesLedgerService;
import com.ruoyi.sales.service.ShippingInfoService;
// import com.ruoyi.sales.service.impl.CommonFileServiceImpl;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.apache.commons.collections4.CollectionUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
// import java.time.LocalDate;
import java.time.LocalDate;
import java.util.List;

/**
 * @author :yys
 * @date : 2025/10/22 9:34
 */
@RestController
@RequestMapping("/shippingInfo")
@Api(tags = "发货信息管理")
public class ShippingInfoController extends BaseController {

    @Autowired
    private ShippingInfoService shippingInfoService;

    // @Autowired
    // private CommonFileServiceImpl commonFileService;

     @Autowired
     private IApproveProcessService approveProcessService;

    // @Autowired
    // private StockUtils stockUtils;

    @Autowired
    private ISalesLedgerProductService salesLedgerProductService;

    @Autowired
    private ISalesLedgerService salesLedgerService;

    @Autowired
    private com.ruoyi.sales.mapper.SalesLedgerProductMapper salesLedgerProductMapper;


    @GetMapping("/listPage")
    @ApiOperation("发货信息列表")
    public AjaxResult listPage(Page page, ShippingInfo req) {
        IPage<ShippingInfoDto> listPage = shippingInfoService.listPage(page,req);
        return AjaxResult.success(listPage);
    }

    @PostMapping("/add")
    @ApiOperation("添加发货信息")
    @Transactional(rollbackFor = Exception.class)
    @Log(title = "发货信息管理", businessType = BusinessType.INSERT)
    public AjaxResult add(@RequestBody ShippingInfoDto req) throws Exception {
        LoginUser loginUser = SecurityUtils.getLoginUser();
        
        if (req.getSalesLedgerId() == null) {
            return AjaxResult.error("关联订单 ID 不能为空");
        }

        SalesLedger salesLedger = salesLedgerService.getById(req.getSalesLedgerId());
        if (salesLedger == null) {
            return AjaxResult.error("关联订单不存在");
        }

        // 检查是否已经在审批中或已发货
        if (salesLedger.getDeliveryStatus() != null && salesLedger.getDeliveryStatus() >= 2 && !salesLedger.getDeliveryStatus().equals(3)) {
             return AjaxResult.error("该订单已在审批中或已发货，无法重复发起");
        }

        String shNo = OrderUtils.countTodayByCreateTime(shippingInfoMapper, "SH");

        //  发起订审批
        ApproveProcessVO approveProcessVO = new ApproveProcessVO();
        approveProcessVO.setApproveType(7);
        approveProcessVO.setApproveDeptId(loginUser.getCurrentDeptId());
        // 审批理由包含合同号，用于后续审批通过后找回订单
        approveProcessVO.setApproveReason("发货审批:" + salesLedger.getSalesContractNo());
        approveProcessVO.setApproveUserIds(req.getApproveUserIds());
        approveProcessVO.setApproveUser(loginUser.getUserId());
        approveProcessVO.setApproveTime(LocalDate.now().toString());
        approveProcessService.addApprove(approveProcessVO);

        //  更新销售台账状态为 2 (审批中)
        salesLedger.setDeliveryStatus(2);
        salesLedgerService.updateById(salesLedger);

        //  为订单下的每一个产品生成发货台账记录 (显示单个产品)
        List<SalesLedgerProduct> products = salesLedgerProductMapper.selectList(new LambdaQueryWrapper<SalesLedgerProduct>()
                .eq(SalesLedgerProduct::getSalesLedgerId, salesLedger.getId()));
        
        if (CollectionUtils.isNotEmpty(products)) {
            for (SalesLedgerProduct product : products) {
                ShippingInfo si = new ShippingInfo();
                si.setSalesLedgerId(salesLedger.getId());
                si.setSalesLedgerProductId(product.getId());
                si.setShippingNo(shNo);
                si.setStatus("待审核");
                si.setType(req.getType()); // 来源/类型
                shippingInfoService.save(si);
            }
        }

        return AjaxResult.success("发货审批已发起");
    }

    @ApiOperation("发货扣库存")
    @PostMapping("/deductStock")
    @Transactional(rollbackFor = Exception.class)
    @Log(title = "发货信息管理", businessType = BusinessType.UPDATE)
    public AjaxResult deductStock(@RequestBody ShippingInfoDto req) throws IOException {
        return shippingInfoService.deductStock( req) ? AjaxResult.success() : AjaxResult.error();
    }

    @PostMapping("/update")
    @ApiOperation("修改发货信息")
    @Transactional(rollbackFor = Exception.class)
    @Log(title = "发货信息管理", businessType = BusinessType.UPDATE)
    public AjaxResult update(@RequestBody ShippingInfo req) {
        ShippingInfo byId = shippingInfoService.getById(req.getId());
        if (byId == null) {
            return AjaxResult.error("发货信息不存在");
        }
        boolean update = shippingInfoService.updateById(req);
        return update ? AjaxResult.success() : AjaxResult.error();
    }

    @DeleteMapping("/delete")
    @ApiOperation("删除发货信息")
    @Transactional(rollbackFor = Exception.class)
    @Log(title = "发货信息管理", businessType = BusinessType.DELETE)
    public AjaxResult delete(@RequestBody List<Long> ids) {

        return shippingInfoService.delete(ids) ? AjaxResult.success("删除成功") : AjaxResult.error("删除失败");
    }

    @Autowired
    private ShippingInfoMapper shippingInfoMapper;

    /**
     * 导出发货信息管理
     */
    @PostMapping("/export")
    @ApiOperation("导出发货信息")
    public void export(HttpServletResponse response) {
        List<ShippingInfo> list = shippingInfoMapper.listAll();
        ExcelUtil<ShippingInfo> util = new ExcelUtil<ShippingInfo>(ShippingInfo.class);
        util.exportExcel(response, list, "发货信息");
    }


    @GetMapping("/getByCustomerName")
    @ApiOperation("通过客户名称查询")
    public AjaxResult getByCustomerName(String customerName) {
        return AjaxResult.success(shippingInfoService.getShippingInfoByCustomerName(customerName));
    }
}