package com.example.demo.serviceImpl;

import com.example.demo.mapper.GeneralMapper;
import com.example.demo.service.GeneralService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.ZoneId;
import java.util.*;
import java.util.stream.Collectors;

/**
 * @program: GOLD
 * @ClassName GeneralServiceImpl
 * @description:
 * @author: huangqizhen
 * @create: 2025−06-22 11:01
 * @Version 1.0
 **/
@Service
public class GeneralServiceImpl implements GeneralService {


    @Autowired
    private GeneralMapper generalMapper;
    @Override
    public List<String> getMarket() {
        List<String> list = generalMapper.getMarket();
        return list;
    }

    @Override
    public List<String> getPlatform() {
        List<String> list = generalMapper.getPlatform();
        return list;
    }

    @Override
    public List<String> getGoods() {
        List<String> list = generalMapper.getGoods();
        // 使用 Java 8 的 Stream API 过滤 null 和空字符串
        List<String> filteredList = list.stream()
                .filter(Objects::nonNull)  // 过滤掉 null 值
                .filter(str -> !str.trim().isEmpty())  // 过滤掉空字符串和仅包含空白字符的字符串
                .collect(Collectors.toList());
        return filteredList;
    }

    @Override
    public List<String> getActivity() {
        List<String> list = generalMapper.getActivity();
        List<String> filteredList = list.stream()
                .filter(Objects::nonNull)  // 过滤掉 null 值
                .filter(str -> !str.trim().isEmpty())  // 过滤掉空字符串和仅包含空白字符的字符串
                .collect(Collectors.toList());
        return filteredList;
    }


    /*
    获取昨天的日期
     */
    @Override
    public Date getYesterday() {
        Calendar cal = Calendar.getInstance();
        cal.add(Calendar.DAY_OF_YEAR, -1);  //当前天数-1
        return getStartOfDay(cal.getTime());    //昨天的00:00:00
    }
    /*
    获取某天的开始时间(00:00:00)
     */
    @Override
    public Date getStartOfDay(Date date) {
        LocalDateTime localDate = date.toInstant()
                .atZone(ZoneId.systemDefault()) // 转换为本地时区
                .toLocalDateTime()
                .with(LocalTime.MIN); // 设置时间为当天 00:00:00
        return Date.from(localDate.atZone(ZoneId.systemDefault()).toInstant());
    }
    /*
    转换日期格式为yyyy-MM-dd
    */
    @Override
    public String formatDate(Date date) {
        return date.toInstant()
                .atZone(ZoneId.systemDefault())
                .format(java.time.format.DateTimeFormatter.ISO_LOCAL_DATE); // 输出格式如 "2025-10-01"
    }
    /*
    获取时间段内的所有日期（包含起始和结束日）
     */
    @Override
    public List<Date> getAllDatesBetween(Date start, Date end) {
        List<Date> dates = new ArrayList<>();
        //初始化日历对象
        Calendar tempStart = Calendar.getInstance();
        tempStart.setTime(start);
        Calendar tempEnd = Calendar.getInstance();
        tempEnd.setTime(end);

        while (!tempStart.after(tempEnd)) {
            dates.add(tempStart.getTime()); // 将当前日期添加到列表中
            tempStart.add(Calendar.DAY_OF_YEAR, 1); // 每次增加一天
        }

        return dates;
    }

    /*
    获取角色的地区权限列表
     */
    @Override
    public List<String> getRoleMarket(String account) throws Exception {
        String market = generalMapper.getRoleMarket(account);
        if (market == null)
            throw new Exception("没有地区权限");
        List<String> list = Arrays.asList(market.split(","));
        return list;
    }


}