package com.yssh.scheduled;

import java.io.File;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;

import com.yssh.entity.VocVals;
import com.yssh.service.VocValsService;
import com.yssh.utils.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

import com.github.biyanwen.EasyCsv;
import com.yssh.config.CsvFilePathConfig;
import com.yssh.entity.DictRecord;
import com.yssh.entity.SuYuan;
import com.yssh.service.IDictRecordService;
import com.yssh.service.IWarningAnalyseService;
import com.yssh.service.impl.SuYuanServiceImpl;

import javax.annotation.Resource;

@Component
public class ReadCsvTask {
	protected final Logger logger = LoggerFactory.getLogger(this.getClass());

	@Resource
	private VocValsService vocValsService;

	@Resource
	private SuYuanServiceImpl suYuanService;

	@Resource
	private CsvFilePathConfig csvFilePathConfig;

	@Resource
	private IDictRecordService dictRecordService;

	@Resource
	private IWarningAnalyseService warningAnalyseService;

	@Value("${csv.cron_max}")
	private int cronMax = 48;

	@Value("${csv.voc_max}")
	private int vocMax = 120;

	private final static List<String> md5List = new ArrayList<>();

	private final static SimpleDateFormat format = new SimpleDateFormat("yyyyMMddHH");

	public void corpReserveDataSync() {
		loadVocSync();
		loadCsvSync();
	}

	@Scheduled(cron = "${csv.voc}")
	private void loadVocSync() {
		vocValsService.deleteLastYear();
		Calendar calendar = getCalendar(96);
		for (int i = 0; i < cronMax; i++) {
			calendar.add(Calendar.HOUR, -1);
			String time = format.format(calendar.getTime());
			String filePath = csvFilePathConfig.getVocPath() + File.separator + time + ".csv";

			File file = new File(filePath);
			if (!file.exists()) {
				logger.info(file.getAbsolutePath() + " is not exist ！");
				continue;
			}

			String md5 = FileUtils.getFileMd5(filePath);
			if (null != md5 && md5List.contains(md5)) {
				continue; // csv已入库
			}

			int count = vocValsService.countByTime(time);
			if (count > 0) {
				vocValsService.deleteByTime(time); // 删除已入库
			}
			addFileMd5(md5);

			try {
				logger.info("loadVocSync: " + filePath);
				Date date = (Date) calendar.getTime().clone();
				EasyCsv.read(filePath, VocVals.class, new VocParser(vocValsService, date)).doRead();

				// Thread.sleep(3 * 1000);
			} catch (Exception e) {
				logger.error(e.getMessage(), e);
			}
		}
	}

	private void addFileMd5(String md5) {
		md5List.add(md5);
		if (md5List.size() > 512) {
			md5List.remove(0);
		}
	}

	@Scheduled(cron = "${csv.cron}")
	private void loadCsvSync() {
		Calendar calendar = getCalendar(1);
		for (int i = 0; i < vocMax; i++) {
			calendar.add(Calendar.HOUR, -1);
			String time = format.format(calendar.getTime());
			String filePath = csvFilePathConfig.getFilePath() + File.separator + time + ".csv";

			File file = new File(filePath);
			if (!file.exists()) {
				logger.info(file.getAbsolutePath() + " is not exist ！");
				continue;
			}

			// 创建表
			String newTableName = TableStrategy.getTableStrategy(time);
			Integer rows = suYuanService.isTableExists(newTableName);
			if (rows > 0) {
				continue;
			}

			suYuanService.createNewTable(newTableName);

			Long createTime = Long.parseLong(time);
			DictRecord dr = dictRecordService.selectByCreateTime(createTime);
			if (null == dr) {
				dictRecordService.insertDictRecord(new DictRecord(1L, newTableName, Long.parseLong(time), ""));
			}

			logger.info("loadCsvSync: " + filePath);
			EasyCsv.read(filePath, SuYuan.class, new CsvParser(suYuanService, time)).doRead();

//			try {
//				// 计算预警/报警,并且进行入库操作
//				Thread.sleep(2 * 60 * 1000);
//			} catch (InterruptedException e) {
//				logger.error("睡眠一分钟后执行预警/报警计算,并且进行入库操作出现异常，异常原因是：", e);
//				e.printStackTrace();
//			}
			warningAnalyseService.warningOperationStorage(calendar.getTime());
		}
	}

	public Calendar getCalendar(int start) {
		Calendar calendar = Calendar.getInstance();
		calendar.setTime(new Date());
		calendar.add(Calendar.HOUR, start);
		calendar.set(Calendar.MINUTE, 0);
		calendar.set(Calendar.SECOND, 0);
		calendar.set(Calendar.MILLISECOND, 0);

		// 测试 -> 2023-04-23 19:00
		//calendar.set(Calendar.MONTH, 3);
		//calendar.set(Calendar.DAY_OF_MONTH, 23);
		//calendar.set(Calendar.HOUR_OF_DAY, 20);

		return calendar;
	}

	private void loadCsv_old() {
		Date date = DateUtils.getNowDate();
		String time = DateUtils.parseDateToStr(DateUtils.YYYYMMDDHH, date);
		String filePath = csvFilePathConfig.getFilePath() + "\\\\" + time + ".csv";
		File file = new File(filePath);
		if (!file.exists()) {
			logger.info(file.getAbsolutePath() + " is not exist ！");
			return;
		}
		//创建表
		String newTableName = TableStrategy.getTableStrategy(time);
		suYuanService.createNewTable(newTableName);
		dictRecordService.insertDictRecord(new DictRecord(1L, newTableName, Long.parseLong(time), ""));
		EasyCsv.read(filePath, SuYuan.class, new CsvParser(suYuanService, time)).doRead();
		//计算预警/报警,并且进行入库操作
		try {
			Thread.sleep(60 * 1000);
		} catch (InterruptedException e) {
			logger.error("睡眠一分钟后执行预警/报警计算,并且进行入库操作出现异常，异常原因是：", e);
			e.printStackTrace();
		}
		warningAnalyseService.warningOperationStorage(date);
	}
}