package com.yuanchu.mom.service.impl;

import cn.hutool.core.date.DateUtil;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.yuanchu.mom.dto.PerformanceShiftAddDto;
import com.yuanchu.mom.mapper.PerformanceShiftMapper;
import com.yuanchu.mom.pojo.Enums;
import com.yuanchu.mom.pojo.PerformanceShift;
import com.yuanchu.mom.service.EnumService;
import com.yuanchu.mom.service.PerformanceShiftService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.time.temporal.TemporalAdjusters;
import java.util.*;

/**
 * <p>
 * 绩效管理-班次 服务实现类
 * </p>
 *
 * @author 江苏鵷雏网络科技有限公司
 * @since 2024-05-08 09:12:04
 */
@Service
public class PerformanceShiftServiceImpl extends ServiceImpl<PerformanceShiftMapper, PerformanceShift> implements PerformanceShiftService {

    @Autowired
    private EnumService enumService;

    public List<PerformanceShift> list = new ArrayList<>();

    @Transactional(rollbackFor = Exception.class)
    @Override
    public void performanceShiftAdd(PerformanceShiftAddDto performanceShiftAddDto) {
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
        String formattedDateTime = performanceShiftAddDto.getStartWeek().format(formatter);
        boolean exists = baseMapper.exists(Wrappers.<PerformanceShift>lambdaQuery()
                .eq(PerformanceShift::getWorkTime, formattedDateTime));
        String[] splitUserId = performanceShiftAddDto.getUserId().split(",");
        // 如果不存在添加数据
        if (!exists) {
            LocalDate firstDayOfMonth = performanceShiftAddDto.getEndWeek().toLocalDate().withDayOfMonth(1);
            LocalDate lastDayOfMonth = performanceShiftAddDto.getEndWeek().toLocalDate().with(TemporalAdjusters.lastDayOfMonth());
            List<LocalDateTime> localDateTimesBetween = getLocalDateTimesBetween(firstDayOfMonth.atStartOfDay(), lastDayOfMonth.atStartOfDay());
            localDateTimesBetween.forEach(i -> {
                for (String s : splitUserId) {
                    PerformanceShift performanceShift = new PerformanceShift();
                    performanceShift.setUserId(Integer.valueOf(s));
                    performanceShift.setWorkTime(i);
                    performanceShift.setShift("");
                    list.add(performanceShift);
                }
                if (list.size() >= 1000) {
                    baseMapper.insertBatchSomeColumn(list);
                    list.clear();
                }
            });
            if (!list.isEmpty()) {
                baseMapper.insertBatchSomeColumn(list);
            }
        }
        // 再次更新
        List<LocalDateTime> datesBetween = getLocalDateTimesBetween(performanceShiftAddDto.getStartWeek(), performanceShiftAddDto.getEndWeek());
        for (LocalDateTime date : datesBetween) {
            for (String s : splitUserId) {
                PerformanceShift performanceShift = new PerformanceShift();
                performanceShift.setShift(performanceShiftAddDto.getShift());
                performanceShift.setUserId(Integer.valueOf(s));
                performanceShift.setWorkTime(date);
                String formatterDateTime = date.format(formatter);
                baseMapper.update(new PerformanceShift(), Wrappers.<PerformanceShift>lambdaUpdate()
                        .set(PerformanceShift::getShift, performanceShiftAddDto.getShift())
                        .eq(PerformanceShift::getUserId, s)
                        .eq(PerformanceShift::getWorkTime, formatterDateTime));
            }
        }
    }

    @Override
    public IPage<Map<String, Object>> performanceShiftPage(Page<Object> page, String time, String userName, String laboratory) {
        IPage<Map<String, Object>> mapIPage = baseMapper.performanceShiftPage(page, time, userName, laboratory);
        List<Enums> shiftType = enumService.selectEnumByCategory("班次类型");
        for (Map<String, Object> i : mapIPage.getRecords()) {
            String[] shiftTimes = i.get("shiftTime").toString().split(";");
            int totalAttendance = 0;
            List<Object> map = new ArrayList<>();
            // 分割日期
            for (String shiftTime : shiftTimes) {
                Map<Object, Object> hashMap = new HashMap<>();
                String[] shiftTimeAndShift = shiftTime.split("：");
                for (Enums enums : shiftType) {
                    if (!i.containsKey(enums.getLabel())) {
                        i.put(enums.getLabel(), 0);
                    }
                    if (enums.getValue().equals(shiftTimeAndShift[1])) {
                        Integer num = (Integer) i.get(enums.getLabel());
                        i.put(enums.getLabel(), num += 1);
                    }
                }
                if (shiftTimeAndShift[1].equals("1") || shiftTimeAndShift[1].equals("2") || shiftTimeAndShift[1].equals("0")) {
                    i.put("totalAttendance", totalAttendance += 1);
                }
                hashMap.put("id", shiftTimeAndShift[2]);
                hashMap.put("shift", shiftTimeAndShift[1]);
                hashMap.put("weekly", DateUtil.weekOfYear(DateUtil.parse(shiftTimeAndShift[0])));
                hashMap.put("time", shiftTimeAndShift[0]);
                hashMap.put("headerTime", getWeek(shiftTimeAndShift[0]));
                map.add(hashMap);
            }
            i.put("list", map);
            i.remove("shiftTime");
        }
        return mapIPage;
    }

    @Override
    public void performanceShiftUpdate(String shift, Integer id) {
        PerformanceShift performanceShift = new PerformanceShift();
        performanceShift.setId(id);
        performanceShift.setShift(shift);
        baseMapper.updateById(performanceShift);
    }

    // 获取两个localDateTime的每一天
    public static List<LocalDateTime> getLocalDateTimesBetween(LocalDateTime start, LocalDateTime end) {
        List<LocalDateTime> localDateTimes = new ArrayList<>();
        LocalDate currentDate = start.toLocalDate();
        LocalDateTime currentLocalDateTime = start;
        while (!currentDate.isAfter(end.toLocalDate())) {
            localDateTimes.add(currentLocalDateTime);
            currentLocalDateTime = currentLocalDateTime.plusDays(1);
            currentDate = currentDate.plusDays(1);
        }
        return localDateTimes;
    }

    public static String getWeek(String dayStr) {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        try {
            Date date = sdf.parse(dayStr);
            Calendar calendar = Calendar.getInstance();
            calendar.setTime(date);
            int dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK);
            int day = calendar.get(Calendar.DAY_OF_MONTH);
            return day + " " + getWeekDay(dayOfWeek);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    public static String getWeekDay(int dayOfWeek) {
        switch (dayOfWeek) {
            case Calendar.MONDAY:
                return "周一";
            case Calendar.TUESDAY:
                return "周二";
            case Calendar.WEDNESDAY:
                return "周三";
            case Calendar.THURSDAY:
                return "周四";
            case Calendar.FRIDAY:
                return "周五";
            case Calendar.SATURDAY:
                return "周六";
            case Calendar.SUNDAY:
                return "周日";
            default:
                return "未知";
        }
    }
}