package com.ruoyi.system.wxPay.utils;

import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;
import org.springframework.util.StringUtils;

import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Date;
import java.util.Objects;
import java.util.TimeZone;

/**
 * @author xiaochen
 * @ClassName WxTimeUtils
 * @Description
 * @date 2021-12-16 16:07
 */
public class WxTimeUtils {
    /**
     * 系统默认时区
     */
    private static final ZoneId ZONE = ZoneId.systemDefault();
    /**
     * yyyy-MM-dd'T'HH:mm:ssxxx 比如：2020-05-23T17:06:30+08:00 0时区时末尾 为+00:00
     */
    public static final DateTimeFormatter YYYY_MM_DD_T_HH_MM_SS_XXX_FMT = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ssxxx");
    /**
     * yyyy-MM-dd HH:mm:ss 比如：2020-05-23 17:06:30
     */
    public static final DateTimeFormatter YYYY_MM_DD_HH_MM_SS_FMT = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss").withZone(ZONE);

    /**
     * 时间转 TimeZone
     *
     * @param date
     * @return
     * @throws Exception
     */
    public static String dateToTimeZone(Date date) throws Exception {
        String time;
        if (date == null) {
            throw new Exception("date is not null");
        }
        ZonedDateTime zonedDateTime = toZonedDateTime(date);
        time = format(zonedDateTime, YYYY_MM_DD_T_HH_MM_SS_XXX_FMT);
        return time;
    }

    /**
     * Date转ZonedDateTime，时区为系统默认时区
     *
     * @param date Date
     * @return ZonedDateTime
     */
    public static ZonedDateTime toZonedDateTime(Date date) {
        Objects.requireNonNull(date, "date");
        return Instant.ofEpochMilli(date.getTime()).atZone(ZoneId.systemDefault());
    }

    /**
     * 根据 formatter格式化 zonedDateTime
     *
     * @param zonedDateTime ZonedDateTime
     * @param formatter     DateTimeFormatter
     * @return String
     */
    public static String format(ZonedDateTime zonedDateTime, DateTimeFormatter formatter) {
        Objects.requireNonNull(zonedDateTime, "zonedDateTime");
        Objects.requireNonNull(formatter, "formatter");
        return zonedDateTime.format(formatter);
    }


    /**
     * TimeZone 时间转标准时间
     *
     * @param date
     * @return
     * @throws Exception
     */
    public static String toTimeZoneStr(String date) {
        String time;
        if (!StringUtils.hasLength(date)) {
            throw new RuntimeException("str is not null");
        }
        ZonedDateTime zonedDateTime = parseToZonedDateTime(date, YYYY_MM_DD_T_HH_MM_SS_XXX_FMT);
        if (zonedDateTime == null) {
            throw new RuntimeException("str to zonedDateTime fail");
        }
        time = zonedDateTime.format(YYYY_MM_DD_HH_MM_SS_FMT);
        return time;
    }

    /**
     * 转date
     *
     * @param date
     * @return
     * @throws Exception
     */
    public static Date toDate(String date) {
        String time;
        if (!StringUtils.hasLength(date)) {
            throw new RuntimeException("str is not null");
        }
        ZonedDateTime zonedDateTime = parseToZonedDateTime(date, YYYY_MM_DD_T_HH_MM_SS_XXX_FMT);
        if (zonedDateTime == null) {
            throw new RuntimeException("str to zonedDateTime fail");
        }
        return Date.from(zonedDateTime.toInstant());
    }

    /**
     * str --> Date
     *
     * @param date
     * @return java.util.Date
     * @author xiaochen
     * @date 2022-01-20 18:20
     */
    public static Date toRfc3339Date(String date) {
        DateTime dt2 = new DateTime(date);
        return dt2.toDate();
    }

    /**
     * 将 Date 转为 LocalDateTime
     *
     * @param date
     * @return java.time.LocalDateTime;
     */
    public static LocalDateTime dateToLocalDateTime(Date date) {
        return date.toInstant().atZone(ZoneId.systemDefault()).toLocalDateTime();
    }


    /**
     * str --> Date
     *
     * @param date
     * @return java.util.Date
     * @author xiaochen
     * @date 2022-01-20 18:20
     */
    public static String toRfc3339Str(Date date) {
        DateTime dt1 = new DateTime(new Date(), DateTimeZone.forTimeZone(TimeZone.getTimeZone("Asia/Shanghai")));
        return dt1.toString();
    }

    /**
     * 根据 formatter解析为 ZonedDateTime
     *
     * @param text      待解析字符串
     * @param formatter DateTimeFormatter
     * @return ZonedDateTime
     */
    public static ZonedDateTime parseToZonedDateTime(String text, DateTimeFormatter formatter) {
        return ZonedDateTime.parse(text, formatter);
    }
}