package common

import (
	"bytes"
	"image"
	"io"
	"net/http"
)

type PictureProp struct {
	Size   int `json:"size" bson:"size,omitempty"` // 单位:b
	Width  int `json:"height" bson:"height,omitempty"`
	Height int `json:"width" bson:"width,omitempty"`
}

const ImgUrlHost = "http://image.lhexm.com/"

func GetPictureProp(imgURL string) PictureProp {
	res, err := http.Get(imgURL)
	if err != nil {
		return PictureProp{}
	}
	defer res.Body.Close()
	body, err := io.ReadAll(res.Body)
	if err != nil {
		return PictureProp{}
	}
	buf := bytes.NewBuffer(body)
	cfg, _, err := image.DecodeConfig(buf)
	if err != nil {
		return PictureProp{}
	}
	return PictureProp{
		Size:   len(body),
		Width:  cfg.Width,
		Height: cfg.Height,
	}
}