/******************************************************************************
 * 作者：kerwincui
 * 时间：2021-06-08
 * 邮箱：164770707@qq.com
 * 源码地址：https://gitee.com/kerwincui/wumei-smart
 * author: kerwincui
 * create: 2021-06-08
 * email：164770707@qq.com
 * source:https://github.com/kerwincui/wumei-smart
 ******************************************************************************/
#include "lwip_sntp.h"

static const char *TAG = "sntp";

static void obtain_time(void);


void sntp_start(void)
{
    time_t now;
    struct tm timeinfo;
    time(&now);
    localtime_r(&now, &timeinfo);
    ESP_LOGI(TAG, "Connecting to WiFi and getting time over NTP.");
    obtain_time();
    // 使用当前时间更新'now'变量
    time(&now);

    char strftime_buf[64];

    // 将时区设置为东部标准时间并打印本地时间
    setenv("TZ", "EST5EDT,M3.2.0/2,M11.1.0", 1);
    tzset();
    localtime_r(&now, &timeinfo);
    strftime(strftime_buf, sizeof(strftime_buf), "%c", &timeinfo);
    ESP_LOGI(TAG, "The current date/time in New York is: %s", strftime_buf);

    // 设置时区为中国标准时间
    setenv("TZ", "CST-8", 1);
    tzset();
    localtime_r(&now, &timeinfo);
    strftime(strftime_buf, sizeof(strftime_buf), "%c", &timeinfo);
    ESP_LOGI(TAG, "The current date/time in Shanghai is: %s", strftime_buf);

}

//时间同步通知的回调函数
void time_sync_notification_cb(struct timeval *tv)
{
    ESP_LOGI(TAG, "Notification of a time synchronization event");
}

//获取时间
static void obtain_time(void)
{
    ESP_LOGI(TAG, "Initializing SNTP");
    sntp_setoperatingmode(SNTP_OPMODE_POLL);
    sntp_setservername(0, "ntp1.aliyun.com");
    sntp_setservername(1, "time2.cloud.tencent.com");
    sntp_setservername(2, "ntp.ntsc.ac.cn");
    sntp_setservername(3, "pool.ntp.org");
    sntp_set_time_sync_notification_cb(time_sync_notification_cb);
    sntp_init();

    // 等待时间设定
    time_t now = 0;
    struct tm timeinfo = { 0 };
    int retry = 0;
    const int retry_count = 10;
    while (sntp_get_sync_status() == SNTP_SYNC_STATUS_RESET && ++retry < retry_count) {
        ESP_LOGI(TAG, "Waiting for system time to be set... (%d/%d)", retry, retry_count);
        vTaskDelay(2000 / portTICK_PERIOD_MS);
    }
    time(&now);
    localtime_r(&now, &timeinfo);

}