package com.ims.eval.controller;


import com.baomidou.mybatisplus.core.metadata.IPage;
import com.ims.eval.config.CustomException;
import com.ims.eval.entity.PartyBuildingMultiplier;
import com.ims.eval.entity.dto.result.R;
import com.ims.eval.service.IPartyBuildingMultiplierService;
import com.ims.eval.util.ExcelUtil;
import com.ims.eval.util.ExcelUtils;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.beans.IntrospectionException;
import java.io.*;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

/**
 * <p>
 *  前端控制器
 * </p>
 *
 * @author wang
 * @since 2023-03-29
 */
@Slf4j
@RestController
@RequestMapping("//party-building-multiplier")
public class PartyBuildingMultiplierController {

	@Autowired
	private IPartyBuildingMultiplierService iPartyBuildingMultiplierService;



	/**
	 * 查询
	 *
	 * @param id         主键ID
	 * @param departId     部门id
	 * @param sectionId   板块id
	 * @param year       年度
	 * @return
	 */
	@GetMapping(value = "/list")
	public R list(@RequestParam(value = "pageNum", required = false) Integer pageNum,
				  @RequestParam(value = "pageSize", required = false) Integer pageSize,
		          @RequestParam(value = "id", required = false) String id,
				  @RequestParam(value = "departId", required = false) String departId,
				  @RequestParam(value = "sectionId", required = false) String sectionId,
				  @RequestParam(value = "year", required = false) String year) {

		IPage<PartyBuildingMultiplier> list = iPartyBuildingMultiplierService.listAll(pageNum,pageSize,id, departId, sectionId, year);
		return R.ok().data(list);

	}

	/**
	 * 查询
	 *
	 * @param id         主键ID
	 * @param departId     部门id
	 * @param sectionId   板块id
	 * @param year       年度
	 * @return
	 */
	@GetMapping(value = "/export1")
	public void export1(HttpServletResponse response,
				  @RequestParam(value = "id", required = false) String id,
				  @RequestParam(value = "departId", required = false) String departId,
				  @RequestParam(value = "sectionId", required = false) String sectionId,
				  @RequestParam(value = "year", required = false) String year) throws IOException, IllegalAccessException, IntrospectionException, InvocationTargetException {

		List<PartyBuildingMultiplier> list = iPartyBuildingMultiplierService.listByParam(id, departId, sectionId, year);
		if (list.size() > 0){
			OutputStream out = response.getOutputStream();
			List<String> titleList = new ArrayList<>();
			titleList.add("id");
			titleList.add("单位名称");
			titleList.add("板块名称");
			titleList.add("党建乘数");
			titleList.add("年度");
			titleList.add("备注");
			HSSFWorkbook workBook = ExcelUtils.getWorkBook(titleList, list);
			//响应到客户端
			try {
				this.setResponseHeader(response, "党建乘数.xls");
				OutputStream os = response.getOutputStream();
				BufferedOutputStream bufferOutput =new BufferedOutputStream(os);
				bufferOutput.flush();
				workBook.write(bufferOutput);
				bufferOutput.close();
			} catch (Exception e) {
				e.printStackTrace();
			}
		}else {
			throw new CustomException("党建乘数数据为空！");
		}
	}

	/**
	 * 发送响应流方法
	 */
	public void setResponseHeader(HttpServletResponse response, String fileName) {
		try {
			try {
				fileName = new String(fileName.getBytes("UTF-8"), "ISO8859-1");
			} catch (UnsupportedEncodingException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			response.setContentType("application/vnd.ms-excel;charset=UTF-8");
			response.setHeader("Content-Disposition", "attachment;filename=" + fileName);
			response.addHeader("Pargam", "no-cache");
			response.addHeader("Cache-Control", "no-cache");
			response.setHeader("Expires", " 0");
		} catch (Exception ex) {
			ex.printStackTrace();
		}
	}


	@PostMapping(value = "/import")
	@ResponseBody
	public R importAlertrule(@RequestParam("file") MultipartFile file, HttpServletRequest request) {

		if (!file.isEmpty()) {
			try {
				//获取原始的文件名
				String originalFilename = file.getOriginalFilename();
				//获取文件类型
				String fileType = originalFilename.substring(originalFilename.lastIndexOf(".") + 1, originalFilename.length());
				//默认从第一行开始读取
				Integer startRows = 1;
				//获取输入流
				InputStream is = file.getInputStream();
				List<PartyBuildingMultiplier> bindingList = new ArrayList<>();
				//Excel导入导出的单元类
				List<String[]> strings = ExcelUtil.readData(fileType, startRows, true, is);
				//遍历Excel表每一行的数据
				for (String[] str : strings) {
					PartyBuildingMultiplier partyBuildingMultiplier = new PartyBuildingMultiplier();
					partyBuildingMultiplier.setId(str[0]);
					partyBuildingMultiplier.setMultiplier(str[3]);
					partyBuildingMultiplier.setYear(str[4]);
					partyBuildingMultiplier.setRemarks(str[5]);
					bindingList.add(partyBuildingMultiplier);
				}
				boolean b = iPartyBuildingMultiplierService.saveOrUpdateBatch(bindingList);
				if (b) {
					return R.ok().data(b);
				} else {
					return R.error().data("保存失败！");
				}
			} catch (Exception e) {
				log.error("错误", e);
				return R.customError(e.getMessage()).data("失败！");
			}
		}
		return R.customError("上传文件为空！");
	}


	/**
	 * 添加
	 *
	 * @param partyBuildingMultiplier
	 * @return
	 */
	@PostMapping(value = "/save")
	@ApiOperation(value = "新增(修改)", notes = "新增（修改）")
	public R addAll(@RequestBody PartyBuildingMultiplier partyBuildingMultiplier) {

		try {
			boolean b = iPartyBuildingMultiplierService.saveOrUpdate(partyBuildingMultiplier);
			if (b) {
				return R.ok().data(b);
			} else {
				return R.error().data("保存失败！");
			}
		} catch (CustomException e){
			return R.customError(e.getMessage()).data("失败！");
		}
	}


	/**
	 * 批量删除
	 *
	 * @param ids
	 * @return
	 */
	@PostMapping(value = "/remove/{ids}")
	@ApiOperation(value = "删除", notes = "删除")
	public R deleteAll(@PathVariable("ids") String ids) {
		String[] strings = ids.split(",");
		boolean b = iPartyBuildingMultiplierService.removeByIds(Arrays.asList(strings));
		if (b) {
			return R.ok().data(b);
		} else {
			return R.error().data("删除失败！");
		}
	}

}