package main

import (
	"bytes"
	"fmt"
	"io/ioutil"
	"net/http"
	"time"
)

// HTTPRequest 用于发送 HTTP 请求
func HTTPRequest(method, url string, headers map[string]string, body []byte) (string, error) {
	// 创建一个新的 HTTP 请求
	client := &http.Client{
		Timeout: 10 * time.Second, // 设置请求超时时间
	}

	// 创建 HTTP 请求
	req, err := http.NewRequest(method, url, bytes.NewBuffer(body))
	if err != nil {
		return "", fmt.Errorf("failed to create request: %v", err)
	}

	// 设置请求头
	for key, value := range headers {
		req.Header.Set(key, value)
	}

	// 发送请求
	resp, err := client.Do(req)
	if err != nil {
		return "", fmt.Errorf("failed to send request: %v", err)
	}
	defer resp.Body.Close()

	// 读取响应体
	respBody, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		return "", fmt.Errorf("failed to read response body: %v", err)
	}

	// 如果响应状态码不是 200，则返回错误
	if resp.StatusCode != http.StatusOK {
		return "", fmt.Errorf("request failed with status: %d", resp.StatusCode)
	}

	return string(respBody), nil
}

// validateAndFormatDate 验证时间字段
func validateAndFormatDate(dateTime *time.Time) *time.Time {
	if dateTime == nil {
		return nil // 如果是空，返回 nil
	}

	if dateTime.Before(time.Date(1970, 1, 1, 0, 0, 0, 0, time.UTC)) || dateTime.After(time.Date(2105, 12, 31, 23, 59, 59, 0, time.UTC)) {
		return nil
	}
	return dateTime
}