package org.springblade.mdm.program.service;

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.codec.digest.DigestUtils;
import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
import org.apache.commons.compress.archivers.zip.ZipFile;
import org.apache.commons.compress.utils.SeekableInMemoryByteChannel;
import org.springblade.core.mp.base.BizServiceImpl;
import org.springblade.core.tool.utils.FileUtil;
import org.springblade.core.tool.utils.Func;
import org.springblade.core.tool.utils.IoUtil;
import org.springblade.mdm.flow.service.CureFlowService;
import org.springblade.mdm.program.entity.NcProgram;
import org.springblade.mdm.program.entity.NcProgramExchange;
import org.springblade.mdm.program.mapper.NcProgramExchangeMapper;
import org.springblade.mdm.program.vo.DncSendBackData;
import org.springblade.mdm.program.vo.MdmProgramImportVO;
import org.springblade.mdm.utils.CustomBinaryReader;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.*;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.time.LocalDateTime;
import java.util.*;

/**
 * MDM程序导入（工控网功能）
 *
 * @author yangys
 */
@Slf4j
@Service
@AllArgsConstructor
public class MdmProgramImportService extends BizServiceImpl<NcProgramExchangeMapper, NcProgramExchange> {
	private final CureFlowService cureFlowService;
	private final NcProgramService ncProgramService;
	/**
	 * MDM导入文件上传
	 * @param file MDM涉密网导出文件
	 * @return
	 */
	public List<MdmProgramImportVO> mdmImportUpload(MultipartFile file) {
		List<MdmProgramImportVO> list;
		try {
			//String fileName = file.getOriginalFilename();
			//InputStream zipFileInputStream = FileExchangeUtil.convertFileToZip(file.getInputStream());
			InputStream zipFileInputStream = file.getInputStream();//test

			byte[] bytes = FileUtil.copyToByteArray(zipFileInputStream);
			list = parseMdmZipFromByteArray(bytes);


		} catch (IOException e) {
			log.error("上传dnc回传文件失败",e);
			list = Collections.emptyList();
		}
		return list;
	}

	InputStream convertFileToZip(InputStream inputStream) throws IOException {

		File tempFile = createTempFile();
		FileOutputStream fos = new FileOutputStream(tempFile);
		CustomBinaryReader.read(inputStream,fos);


		FileInputStream dInstream = new FileInputStream(tempFile);

		return dInstream;
	}

	/**
	 * 创建一个临时文件
	 * @return
	 * @throws IOException
	 */
	File createTempFile() throws IOException {
		Path tempDir = Paths.get(System.getProperty("java.io.tmpdir"));
		// 在临时目录中创建文件
		String tfilename = "t"+System.currentTimeMillis();
		Path tempFile = Files.createTempFile(tempDir, tfilename, ".tmp");
		System.out.println("创建的临时文件: " + tempFile);
		return tempFile.toFile();
	}
	public static List<MdmProgramImportVO> parseMdmZipFromByteArray(byte[] zipData) throws IOException {
		List<MdmProgramImportVO> list = new ArrayList<>();
		Map<String,String> fileMd5Map = new HashMap<>();
		Map<String,MdmProgramImportVO> fileDataMap = new HashMap<>();
		try (SeekableInMemoryByteChannel channel = new SeekableInMemoryByteChannel(zipData);
			 ZipFile zipFile = new ZipFile(channel)) {

			ZipArchiveEntry entry;
			Enumeration<ZipArchiveEntry> entries = zipFile.getEntries();
			while (entries.hasMoreElements()) {
				entry = entries.nextElement();

				String entryName = entry.getName();

				if (!entry.isDirectory()) {
					//直接解析程序的json文件
					if(entryName.equals(NcProgramExportDNCService.PROGRAM_JSON_FILE)){

						try (InputStream inputStream = zipFile.getInputStream(entry)) {
							String jsonStr = IoUtil.readToString(inputStream);

							JSONArray jsonArray = JSONArray.parseArray(jsonStr);
							for(int i=0;i<jsonArray.size();i++){
								JSONObject jsonObject = jsonArray.getJSONObject(i);
								MdmProgramImportVO d = new MdmProgramImportVO();
								d.setName(jsonObject.getString("name"));
								d.setId(jsonObject.getLong("id"));
								d.setCode(jsonObject.getString("code"));
								d.setDescription(jsonObject.getString("description"));
								d.setCategory(jsonObject.getString("category"));
								d.setBindNcNodeId(jsonObject.getLong("bindNcNodeId"));
								d.setIsLastEdition(jsonObject.getInteger("isLastEdition"));
								d.setIsLocked(jsonObject.getInteger("isLocked"));
								d.setIsTest(jsonObject.getInteger("isTest"));
								d.setMachineCode(jsonObject.getString("machineCode"));
								d.setNcNodeId(jsonObject.getLong("ncNodeId"));
								d.setPartNo(jsonObject.getString("partNo"));
								d.setProcessEdition(jsonObject.getString("processEdition"));

								fileDataMap.put(d.getName(),d);

								list.add(d);
							}

						}
					}else{
						try (InputStream inputStream = zipFile.getInputStream(entry)) {
							fileMd5Map.put(entryName,DigestUtils.md5Hex(inputStream));//获取文件MD5
						}

					}

				}

			}

		}
		//设置md5值
		fileDataMap.forEach((k,v)->{
			if(fileMd5Map.containsKey(k)){
				v.setMd5(fileMd5Map.get(k));
			}
		});
		return list;
	}


	/**
	 * 入库mdm涉密网文件
	 * @param ids id列表逗号分隔
	 * @return
	 */
	public void mdmFileAccept(String ids) {
		/*
		List<Long> idList = Func.toLongList(ids);
		List<NcProgram> progList = ncProgramService.listByIds(idList);
		NcProgramExchange exchange;
		//NcProgram program;
		//NcNode programNode;

		for(NcProgram prog:progList){
			exchange = new NcProgramExchange();
			exchange.setName(prog.getName());
			exchange.setExchangeType(2);//回传
			exchange.setNcProgramId(prog.getId());

			this.save(exchange);

		}
	//直接入库，无流程
		*/

	}
}