/*
 *    Copyright (c) 2018-2025, ztt All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * Neither the name of the pig4cloud.com developer nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * Author: ztt
 */
package com.chinaztt.mes.warehouse.service.impl;


import cn.hutool.core.collection.CollectionUtil;
import cn.hutool.core.util.BooleanUtil;
import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.ExcelWriter;
import com.alibaba.excel.write.metadata.WriteSheet;
import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.chinaztt.mes.common.numgen.NumberGenerator;
import com.chinaztt.mes.warehouse.dto.InventoryMainDTO;
import com.chinaztt.mes.warehouse.entity.InventoryDetail;
import com.chinaztt.mes.warehouse.entity.InventoryMain;
import com.chinaztt.mes.warehouse.excel.InventoryData;
import com.chinaztt.mes.warehouse.mapper.InventoryDetailMapper;
import com.chinaztt.mes.warehouse.mapper.InventoryMainMapper;
import com.chinaztt.mes.warehouse.mapper.StockMapper;
import com.chinaztt.mes.warehouse.service.InventoryDetailService;
import com.chinaztt.mes.warehouse.service.InventoryMainService;
import com.chinaztt.mes.warehouse.state.constant.InventoryMainState;
import lombok.AllArgsConstructor;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.math.BigDecimal;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

/**
 * 新盘点主表
 *
 * @author yangyao
 * @date 2022-10-13 11:06:00
 */
@AllArgsConstructor
@Service
public class InventoryMainServiceImpl extends ServiceImpl<InventoryMainMapper, InventoryMain> implements InventoryMainService {

	private NumberGenerator<InventoryMain> numberGenerator;

	private StockMapper stockMapper;

	private InventoryDetailService inventoryDetailService;

	private InventoryDetailMapper inventoryDetailMapper;


	@Transactional(rollbackFor = Exception.class)
	@Override
	public boolean fullSave(InventoryMainDTO inventoryMainDTO) {
		if(CollectionUtil.isEmpty(inventoryMainDTO.getWarehouseIds())){
			throw new RuntimeException("没有选择仓库!");
		}
		inventoryMainDTO.setInyNo(numberGenerator.generateNumberWithPrefix(InventoryMain.DIGIT, InventoryMain.PREFIX, InventoryMain::getInyNo));
		inventoryMainDTO.setInyStatus(InventoryMainState.DRAFT.getCode());
		baseMapper.insert(inventoryMainDTO);
		List<InventoryDetail> stockByInventoryList = stockMapper.getStockByInventory(inventoryMainDTO.getLocationIds(), inventoryMainDTO.getWarehouseIds(), inventoryMainDTO.getPartId());
		if(CollectionUtil.isNotEmpty(stockByInventoryList)){
			stockByInventoryList.stream().forEach(inventoryDetail ->{
				inventoryDetail.setInyNo(inventoryMainDTO.getInyNo());
				inventoryDetail.setInyDiffQty(inventoryDetail.getStockQuantity());
				inventoryDetail.setInventoryMainId(inventoryMainDTO.getId());
			});
			Map<String, List<InventoryDetail>> collect =
					stockByInventoryList.stream().collect(Collectors.groupingBy(d -> d.getInventoryMainId() + "-" + d.getPartNo() + "-" + d.getSn() + "-" + d.getIfsBatchNo() + "-" + d.getLocNo()));
			List<InventoryDetail> resultList = new ArrayList<>();
			for (Map.Entry<String, List<InventoryDetail>> entry : collect.entrySet()) {
				BigDecimal quantity =
						entry.getValue().stream().map(InventoryDetail::getStockQuantity).reduce(BigDecimal.ZERO,
								BigDecimal::add);
				InventoryDetail inventoryDetail = entry.getValue().get(0);
				inventoryDetail.setStockQuantity(quantity);
				resultList.add(inventoryDetail);
			}
			inventoryDetailService.saveBatch(resultList);

		}
		return true;
	}


	@Override
	public boolean remove(Long id) {
		List<InventoryDetail> inventoryDetails = inventoryDetailMapper.selectList(Wrappers.<InventoryDetail>lambdaQuery()
				.eq(InventoryDetail::getInventoryMainId, id));
		if(CollectionUtil.isNotEmpty(inventoryDetails)){
			boolean inyQtyNotNull = inventoryDetails.stream().anyMatch(d -> d.getInyQty() != null);
			if (BooleanUtil.isTrue(inyQtyNotNull)) {
				throw new RuntimeException("明细表存在盘点数量，盘点表不能删除该条记录！");
			}
			inventoryDetailMapper.delete(Wrappers.<InventoryDetail>lambdaQuery().eq(InventoryDetail::getInventoryMainId, id));
		}
		baseMapper.deleteById(id);
		return true;
	}

	@Override
	public void export(HttpServletResponse response, List<Long> ids) throws IOException {
		response.setContentType("application/vnd.ms-excel");
		response.setCharacterEncoding("UTF-8");
		// 这里URLEncoder.encode可以防止中文乱码 当然和easyexcel没有关系
		String fileName = URLEncoder.encode("盘点信息导出", "UTF-8").replaceAll("\\+", "%20");;
		response.setHeader("Content-disposition", "attachment;filename=" + fileName + ".xlsx");
		try {
			//新建ExcelWriter
			ExcelWriter excelWriter = EasyExcel.write(response.getOutputStream()).registerWriteHandler(new LongestMatchColumnWidthStyleStrategy()).build();
			//获取sheet0对象
			WriteSheet mainSheet = EasyExcel.writerSheet(0, "导出").head(InventoryData.class).build();
			//向sheet0写入数据 传入空list这样只导出表头
			List<InventoryData> inventoryDataList = baseMapper.getExport(ids);
			excelWriter.write(inventoryDataList, mainSheet);
			//关闭流
			excelWriter.finish();
		} catch (IOException e) {
			throw new RuntimeException("导出失败");
		}
	}
}