package com.engine.kq.job;

import com.alibaba.fastjson.JSON;
import com.engine.kq.biz.KQShiftManagementComInfo;
import com.engine.kq.biz.KQShiftRestTimeSectionComInfo;
import com.engine.kq.biz.KQWorkTime;
import com.engine.kq.entity.WorkTimeEntity;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.lang3.StringUtils;
import weaver.common.DateUtil;
import weaver.conn.RecordSet;
import weaver.general.BaseBean;

import java.time.Duration;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;
import java.time.temporal.ChronoUnit;
import java.util.*;

/**
 * @author:dxfeng
 * @createTime: 2024/03/29
 * @version: 1.0
 */
public class UpdateEffectiveDuration {
    /**
     * 日期时间格式化
     */
    private static final DateTimeFormatter DATE_TIME_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");


    /**
     * 更新加班台账表，有效时长字段
     * <p/>
     * <p>导入的加班数据增加根据班次的最早最晚打卡时间取交集，按照系统的加班单和打卡数据取交集处理</p>
     *
     * @param mainId         当前数据ID
     * @param userId         加班人ID
     * @param gzrq           归属日志
     * @param earlyStartTime 最早打卡时间
     * @param afterEndTime   最晚打卡时间
     */
    public static void execute(String mainId, String userId, String gzrq, String earlyStartTime, String afterEndTime, String startTime, String endTime) {
        RecordSet recordSet = new RecordSet();
        try {
            KQWorkTime kqWorkTime = new KQWorkTime();
            WorkTimeEntity workTimeEntity = kqWorkTime.getWorkTime(userId, gzrq);
            String serialId = workTimeEntity.getSerialId();
            recordSet.writeLog("serialId===" + serialId);
            if (StringUtils.isBlank(serialId) || "-1".equals(serialId)) {
                kqWorkTime.setIsFormat(true);
                workTimeEntity = kqWorkTime.getWorkTime(userId, gzrq);
                serialId = workTimeEntity.getSerialId();
            }
            recordSet.writeLog("userId==" + userId + ",serialId===" + JSON.toJSONString(serialId) + ",workTimeEntity===" + JSON.toJSONString(workTimeEntity));
            // 转换所有的工作时间
            List<Map<String, String>> workTimeList = new ArrayList<>();
            Map<String, String> workMap = new HashMap<>();
            workMap.put("startTimes", startTime);
            workMap.put("endTimes", endTime);
            workTimeList.add(workMap);
            recordSet.writeLog("userId==" + userId + ",workTimeList===" + JSON.toJSONString(workTimeList));


            // 转换所有的休息时间
            List<Map<String, String>> restTimeList = new ArrayList<>();
            KQShiftManagementComInfo kqShiftManagementComInfo = new KQShiftManagementComInfo();
            String isRestTimeOpen = kqShiftManagementComInfo.getIsresttimeopen(serialId);
            // 排除休息时间是否开启 1表示开启
            recordSet.writeLog("isRestTimeOpen===" + isRestTimeOpen);
            if ("1".equals(isRestTimeOpen)) {
                List<Object> restSectionTimes = new KQShiftRestTimeSectionComInfo().getRestSectionTimes(serialId);
                recordSet.writeLog("userId==" + userId + ",restSectionTimes===" + JSON.toJSONString(restSectionTimes));
                if (CollectionUtils.isNotEmpty(restSectionTimes)) {
                    //convertDateTime(gzrq, restSectionTimes, restTimeList);
                    convertDateTime2(gzrq, restSectionTimes, restTimeList);
                    recordSet.writeLog("userId==" + userId + ",restTimeList===" + JSON.toJSONString(restTimeList));
                }
            }

            // 所有的有效时间区间
            recordSet.writeLog("userId==" + userId + ",earlyStartTime===" + earlyStartTime + ",afterEndTime===" + afterEndTime);
            List<String> effectiveTime = getEffectiveTime(earlyStartTime, afterEndTime, startTime, endTime, restTimeList);
            recordSet.writeLog("userId==" + userId + ",effectiveTime===" + JSON.toJSONString(effectiveTime));

            // 有效区间总计分钟数
            long totalMinutes = effectiveTime.stream()
                    .mapToInt(interval -> {
                        String[] parts = interval.split(",");
                        LocalDateTime start = LocalDateTime.parse(parts[0], DATE_TIME_FORMATTER);
                        LocalDateTime end = LocalDateTime.parse(parts[1], DATE_TIME_FORMATTER);
                        return (int) (start.until(end, ChronoUnit.MINUTES));
                    })
                    .sum();
            double totalHours = (double) totalMinutes / 60;
            // 将小时数按照0.5小时的单位向下取整
            double roundedHours = (int) Math.floor(totalHours / 0.5) * 0.5;
            recordSet.writeLog("userId==" + userId + ",totalMinutes===" + totalMinutes + ",totalHours==" + totalHours + ",roundedHours==" + roundedHours);
            // 更新当前数据的有效时长
            recordSet.executeUpdate("update uf_jbtz set yxsc=? where id=? ", roundedHours, mainId);


        } catch (Exception e) {
            recordSet.writeLog(e);
        }
    }

    /**
     * 获取有效时长时间区间
     */
    private static List<String> getEffectiveTime(String earlyStartTime, String afterEndTime, String startTime, String endTime, List<Map<String, String>> restTimeList) {
        // 打卡时间区间，去除所有的休息时间
        List<String> effectiveTimeList = new ArrayList<>();
        LocalDateTime startSignTime = LocalDateTime.parse(earlyStartTime, DATE_TIME_FORMATTER);
        LocalDateTime endSignTime = LocalDateTime.parse(afterEndTime, DATE_TIME_FORMATTER);

        LocalDateTime startWorkTime = LocalDateTime.parse(startTime, DATE_TIME_FORMATTER);
        LocalDateTime endWorkTime = LocalDateTime.parse(endTime, DATE_TIME_FORMATTER);

        // 计算交集
        LocalDateTime intersectionStart = startSignTime.isAfter(startWorkTime) ? startSignTime : startWorkTime;
        LocalDateTime intersectionEnd = endSignTime.isBefore(endWorkTime) ? endSignTime : endWorkTime;


        List<TimeInterval> restIntervals = new ArrayList<>();
        for (Map<String, String> restTimeMap : restTimeList) {
            restIntervals.add(new TimeInterval(
                    LocalDateTime.parse(restTimeMap.get("startTimes"), DATE_TIME_FORMATTER),
                    LocalDateTime.parse(restTimeMap.get("endTimes"), DATE_TIME_FORMATTER)
            ));
        }
        // 休息时间区间排序
        restIntervals.sort(Comparator.comparing(TimeInterval::getStart));
        // 实际的工作开始时间、结束时间
        List<TimeInterval> workIntervals = calculateWorkIntervals(intersectionStart, intersectionEnd, restIntervals);
        new BaseBean().writeLog("workIntervals===" + JSON.toJSONString(workIntervals));
        for (TimeInterval workInterval : workIntervals) {
             effectiveTimeList.add(workInterval.getStart().format(DATE_TIME_FORMATTER) + "," + workInterval.getEnd().format(DATE_TIME_FORMATTER));
        }
        long totalMinutes = calculateTotalWorkMinutes(workIntervals);
        new BaseBean().writeLog("totalMinutes==="+totalMinutes);


        //if (intersectionStart.isBefore(intersectionEnd)) {
        //    // 去除休息时间
        //    for (Map<String, String> restTimeMap : restTimeList) {
        //        LocalDateTime startRestTime = LocalDateTime.parse(restTimeMap.get("startTimes"), DATE_TIME_FORMATTER);
        //        LocalDateTime endRestTime = LocalDateTime.parse(restTimeMap.get("endTimes"), DATE_TIME_FORMATTER);
        //
        //        if (!intersectionEnd.isBefore(startRestTime) && !intersectionStart.isAfter(endRestTime)) {
        //            if (intersectionStart.isBefore(startRestTime)) {
        //                // 交集在休息时间之前
        //                intersectionEnd = intersectionEnd.isBefore(startRestTime) ? intersectionEnd : startRestTime;
        //            } else if (intersectionEnd.isAfter(endRestTime)) {
        //                // 交集在休息时间之后
        //                intersectionStart = intersectionStart.isAfter(endRestTime) ? intersectionStart : endRestTime;
        //            } else {
        //                // 休息时间在交集中间
        //                intersectionStart = startRestTime;
        //                intersectionEnd = endRestTime;
        //            }
        //        }
        //    }
        //    effectiveTimeList.add(intersectionStart.format(DATE_TIME_FORMATTER) + "," + intersectionEnd.format(DATE_TIME_FORMATTER));
        //}

        return effectiveTimeList;
    }


    /**
     * 转换日期时间
     *
     * @param gzrq         归属日期
     * @param sectionTimes 转换前时间
     * @param timeList     转换后日期时间
     */
    private static void convertDateTime(String gzrq, List<Object> sectionTimes, List<Map<String, String>> timeList) {
        String currentDate = gzrq;
        String preTime = "";
        for (Object sectionTime : sectionTimes) {
            List<Map<String, String>> sectionTime1 = (List) sectionTime;
            if (sectionTime1.size() != 2) {
                break;
            }
            // 获取当前的打卡时间
            Map<String, String> startMap = sectionTime1.get(0);
            String startTimes = startMap.get("times");
            Map<String, String> map = new HashMap<>();
            currentDate = getDateStr(currentDate, preTime, startTimes);
            map.put("startTimes", currentDate + " " + startTimes + ":00");

            Map<String, String> endMap = sectionTime1.get(1);
            String endTimes = endMap.get("times");
            currentDate = getDateStr(currentDate, startTimes, endTimes);
            map.put("endTimes", currentDate + " " + endTimes + ":00");

            preTime = endTimes;
            timeList.add(map);
        }
    }

    private static void convertDateTime2(String gzrq, List<Object> sectionTimes, List<Map<String, String>> timeList) {
        String currentDate = gzrq;
        String preTime = "";
        for (Object sectionTime : sectionTimes) {
            List<Map<String, String>> sectionTime1 = (List) sectionTime;
            if (sectionTime1.size() != 2) {
                break;
            }
            // 获取当前的打卡时间
            Map<String, String> startMap = sectionTime1.get(0);
            String startTimes = startMap.get("times");
            String startAcross = startMap.get("across");
            Map<String, String> map = new HashMap<>();
            //currentDate = getDateStr(currentDate, preTime, startTimes);
            if ("1".equals(startAcross)) {
                map.put("startTimes", DateUtil.addDate(currentDate, 1) + " " + startTimes + ":00");
            } else {
                map.put("startTimes", currentDate + " " + startTimes + ":00");
            }

            Map<String, String> endMap = sectionTime1.get(1);
            String endTimes = endMap.get("times");
            String endAcross = endMap.get("across");

            //currentDate = getDateStr(currentDate, startTimes, endTimes);
            if ("1".equals(endAcross)) {
                map.put("endTimes", DateUtil.addDate(currentDate, 1) + " " + endTimes + ":00");
            } else {
                map.put("endTimes", currentDate + " " + endTimes + ":00");
            }

            preTime = endTimes;
            timeList.add(map);
        }
    }

    /**
     * 组合日期、时间
     *
     * @param currentDate 当前日期
     * @param preTime     之前处理的时间
     * @param currentTime 当前需要处理的时间
     * @return
     */
    private static String getDateStr(String currentDate, String preTime, String currentTime) {
        // 前一个时间为空，返回当前日期+当前时间
        if (StringUtils.isBlank(preTime)) {
            return currentDate;
        }
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("HH:mm");
        LocalTime localPreTime = LocalTime.parse(preTime, formatter);
        LocalTime localCurrentTime = LocalTime.parse(currentTime, formatter);
        if (localPreTime.isAfter(localCurrentTime)) {
            return DateUtil.addDate(currentDate, 1);
        } else {
            return currentDate;
        }
    }

    public static List<TimeInterval> calculateWorkIntervals(LocalDateTime startWork, LocalDateTime endWork,
                                                            List<TimeInterval> restIntervals) {
        List<TimeInterval> workIntervals = new ArrayList<>();
        LocalDateTime currentStart = startWork;

        for (TimeInterval restInterval : restIntervals) {
            LocalDateTime restStart = restInterval.getStart();
            LocalDateTime restEnd = restInterval.getEnd();

            // 如果休息时间与工作时间重合，则调整工作时间段
            if (currentStart.isBefore(restEnd) && endWork.isAfter(restStart)) {
                if (currentStart.isBefore(restStart)) {
                    workIntervals.add(new TimeInterval(currentStart, restStart));
                }
                currentStart = restEnd;
            }
        }

        // 添加剩余的工作时间段
        if (currentStart.isBefore(endWork)) {
            workIntervals.add(new TimeInterval(currentStart, endWork));
        }

        return workIntervals;
    }

    public static long calculateTotalWorkMinutes(List<TimeInterval> workIntervals) {
        long totalMinutes = 0;

        for (TimeInterval interval : workIntervals) {
            totalMinutes += Duration.between(interval.getStart(), interval.getEnd()).toMinutes();
        }

        return totalMinutes;
    }


    static class TimeInterval {
        private LocalDateTime start;
        private LocalDateTime end;

        public TimeInterval(LocalDateTime start, LocalDateTime end) {
            this.start = start;
            this.end = end;
        }

        public LocalDateTime getStart() {
            return start;
        }

        public LocalDateTime getEnd() {
            return end;
        }
    }
}