package com.ruoyi.stock.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.common.utils.poi.ExcelUtil;
import com.ruoyi.stock.dto.StockInRecordDto;
import com.ruoyi.stock.dto.StockInventoryDto;
import com.ruoyi.stock.dto.StockOutRecordDto;
import com.ruoyi.stock.dto.StockUninventoryDto;
import com.ruoyi.stock.execl.StockUnInventoryExportData;
import com.ruoyi.stock.mapper.StockUninventoryMapper;
import com.ruoyi.stock.pojo.StockUninventory;
import com.ruoyi.stock.service.StockInRecordService;
import com.ruoyi.stock.service.StockOutRecordService;
import com.ruoyi.stock.service.StockUninventoryService;
import lombok.AllArgsConstructor;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.servlet.http.HttpServletResponse;
import java.time.LocalDateTime;
import java.util.List;

@Service
@AllArgsConstructor
public class StockUninventoryServiceImpl extends ServiceImpl<StockUninventoryMapper, StockUninventory> implements StockUninventoryService {

    private StockUninventoryMapper stockUninventoryMapper;
    private StockOutRecordService stockOutRecordService;
    private StockInRecordService stockInRecordService;

    @Override
    public IPage<StockUninventoryDto> pageStockUninventory(Page page, StockUninventoryDto stockUninventoryDto) {
        return stockUninventoryMapper.pageStockUninventory(page, stockUninventoryDto);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public Integer addStockUninventory(StockUninventoryDto stockUninventoryDto) {
        LocalDateTime inboundTime = stockUninventoryDto.getInboundTime();

        StockInRecordDto stockInRecordDto = new StockInRecordDto();
        stockInRecordDto.setRecordId(stockUninventoryDto.getRecordId());
        stockInRecordDto.setRecordType(stockUninventoryDto.getRecordType());
        stockInRecordDto.setStockInNum(stockUninventoryDto.getQualitity());
        stockInRecordDto.setProductModelId(stockUninventoryDto.getProductModelId());
        stockInRecordDto.setType("1");
        if (inboundTime != null) {
            stockInRecordDto.setCreateTime(inboundTime);
        }
        stockInRecordService.add(stockInRecordDto);

        StockUninventory oldStockUnInventory = stockUninventoryMapper.selectOne(
                new QueryWrapper<StockUninventory>().lambda()
                        .eq(StockUninventory::getProductModelId, stockUninventoryDto.getProductModelId()));
        if (ObjectUtils.isEmpty(oldStockUnInventory)) {
            StockUninventory newStockUnInventory = new StockUninventory();
            newStockUnInventory.setProductModelId(stockUninventoryDto.getProductModelId());
            newStockUnInventory.setQualitity(stockUninventoryDto.getQualitity());
            newStockUnInventory.setVersion(1);
            newStockUnInventory.setRemark(stockUninventoryDto.getRemark());
            if (inboundTime != null) {
                newStockUnInventory.setCreateTime(inboundTime);
            }
            stockUninventoryMapper.insert(newStockUnInventory);
        } else {
            stockUninventoryMapper.updateAddStockUnInventory(stockUninventoryDto);
        }
        return 1;
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public Integer subtractStockUninventory(StockUninventoryDto stockUninventoryDto) {
        StockOutRecordDto stockOutRecordDto = new StockOutRecordDto();
        stockOutRecordDto.setRecordId(stockUninventoryDto.getRecordId());
        stockOutRecordDto.setRecordType(stockUninventoryDto.getRecordType());
        stockOutRecordDto.setStockOutNum(stockUninventoryDto.getQualitity());
        stockOutRecordDto.setProductModelId(stockUninventoryDto.getProductModelId());
        stockOutRecordDto.setType("1");
        LocalDateTime inboundTime = stockUninventoryDto.getInboundTime();
        if (inboundTime != null) {
            stockOutRecordDto.setCreateTime(inboundTime);
        }
        stockOutRecordService.add(stockOutRecordDto);

        StockUninventory oldStockInventory = stockUninventoryMapper.selectOne(
                new QueryWrapper<StockUninventory>().lambda()
                        .eq(StockUninventory::getProductModelId, stockUninventoryDto.getProductModelId()));
        if (ObjectUtils.isEmpty(oldStockInventory)) {
            throw new RuntimeException("产品库存不存在");
        }
        stockUninventoryMapper.updateSubtractStockUnInventory(stockUninventoryDto);
        return 1;
    }

    @Override
    public void exportStockUninventory(HttpServletResponse response, StockUninventoryDto stockUninventoryDto) {
        List<StockUnInventoryExportData> list = stockUninventoryMapper.listStockInventoryExportData(stockUninventoryDto);
        ExcelUtil<StockUnInventoryExportData> util = new ExcelUtil<>(StockUnInventoryExportData.class);
        util.exportExcel(response, list, "不合格库存信息");
    }

    @Override
    public Boolean frozenStock(StockInventoryDto stockInventoryDto) {
        StockUninventory stockUninventory = stockUninventoryMapper.selectById(stockInventoryDto.getId());
        if (stockUninventory.getQualitity().compareTo(stockInventoryDto.getLockedQuantity()) < 0) {
            throw new RuntimeException("冻结数量不能超过库存数量");
        }
        if (ObjectUtils.isEmpty(stockUninventory.getLockedQuantity())) {
            stockUninventory.setLockedQuantity(stockInventoryDto.getLockedQuantity());
        } else {
            stockUninventory.setLockedQuantity(stockUninventory.getLockedQuantity().add(stockInventoryDto.getLockedQuantity()));
        }
        return this.updateById(stockUninventory);
    }

    @Override
    public Boolean thawStock(StockInventoryDto stockInventoryDto) {
        StockUninventory stockUninventory = stockUninventoryMapper.selectById(stockInventoryDto.getId());
        if (stockUninventory.getLockedQuantity().compareTo(stockInventoryDto.getLockedQuantity()) < 0) {
            throw new RuntimeException("解冻数量不能超过冻结数量");
        }
        stockUninventory.setLockedQuantity(stockUninventory.getLockedQuantity().subtract(stockInventoryDto.getLockedQuantity()));
        return this.updateById(stockUninventory);
    }
}