package captcha

import (
	"fmt"
	"io"
	"net/http"
	"os"
	"strings"

	"jwts/client"
	"jwts/config"

	"github.com/PuerkitoBio/goquery"
)

// 保存验证码图片
func SaveCaptchaImage(httpClient *http.Client) ([]byte, error) {
	fmt.Println("[2] 获取验证码...")

	req, err := http.NewRequest("GET", config.BaseURL+"/captchaImage", nil)
	if err != nil {
		return nil, err
	}
	req.Header = client.GetHeaders()

	resp, err := httpClient.Do(req)
	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()

	body, err := io.ReadAll(resp.Body)
	if err != nil {
		return nil, err
	}

	if err := os.WriteFile("captcha.png", body, 0644); err != nil {
		fmt.Printf("    警告: 无法保存验证码图片: %v\n", err)
	} else {
		fmt.Println("    验证码已保存到: captcha.png")
	}

	return body, nil
}

// 识别验证码 - 使用固定验证码用于测试
func Recognize(imagePath string) (string, error) {
	fmt.Println("[3] 使用固定验证码...")
	// 固定验证码用于测试
	return "....", nil
}

// 获取并识别验证码
func GetAndRecognize(client *http.Client) (string, error) {
	_, err := SaveCaptchaImage(client)
	if err != nil {
		return "", err
	}

	captchaCode, err := Recognize("captcha.png")
	if err != nil {
		return "", err
	}

	fmt.Printf("    识别结果: %s\n", captchaCode)
	return captchaCode, nil
}

// 用于解析HTML（登录页面）
func ParseHTML(html string) (*goquery.Document, error) {
	return goquery.NewDocumentFromReader(strings.NewReader(html))
}