import java.io.BufferedReader;

import java.io.InputStreamReader;

import java.net.HttpURLConnection;

import java.net.URL;

import java.net.URLEncoder;

import org.jsoup.Jsoup;

import org.jsoup.nodes.Document;

import org.jsoup.nodes.Element;

import kr.inflearn.ExcelVO;

public class Project03_D {

public static void main(String[] args) {

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

try {

System.out.print("책제목:");

String title=br.readLine();

System.out.print("책저자:");

String author=br.readLine();

System.out.print("출판사:");

String company=br.readLine();

ExcelVO vo=new ExcelVO(title, author, company);

getIsbnImage(vo);

} catch (Exception e) {

e.printStackTrace();

}

}

private static void getIsbnImage(ExcelVO vo) {

try {

String openApi="https://openapi.naver.com/v1/search/book_adv.xml?d_titl="

+ URLEncoder.encode(vo.getTitle(), "UTF-8")

+ "&d_auth="+URLEncoder.encode(vo.getAuthor(), "UTF-8")

+ "&d_publ="+URLEncoder.encode(vo.getCompany(), "UTF-8");

URL url=new URL(openApi);

HttpURLConnection con=(HttpURLConnection) url.openConnection();

con.setRequestMethod("GET");

con.setRequestProperty("X-Naver-Client-Id", "hQLwYhKiYEGobEsmc8fU");

con.setRequestProperty("X-Naver-Client-Secret", "CndvMziCkZ");

int responseCode=con.getResponseCode();

BufferedReader br1=null;

if(responseCode==200) {

br1=new BufferedReader(new InputStreamReader(con.getInputStream(),"UTF-8"));

}else {

br1=new BufferedReader(new InputStreamReader(con.getErrorStream()));

}

String inputLine;

StringBuffer response=new StringBuffer();

while((inputLine=br1.readLine())!=null) {

response.append(inputLine);

}

br1.close();

//System.out.println(response.toString());

// isbn, image

Document doc=Jsoup.parse(response.toString());

//System.out.println(doc.toString());

Element total=doc.select("total").first();

//System.out.println(total.text());

if(!(total.text().equals("0"))) {

Element isbn=doc.select("isbn").first();

String isbnStr=isbn.text();

//System.out.println(isbnStr);

String isbn_find=isbnStr.split(" ")[1];

vo.setIsbn(isbn_find);

//-------------------------------------

//Element img=doc.select("img").first();

//System.out.println(img.toString());

String imgDoc=doc.toString();

String imgTag=imgDoc.substring(imgDoc.indexOf("<img>")+5);

//System.out.println(imgTag); // http://~~~~~~~~~~~~~~

String imgURL=imgTag.substring(0, imgTag.indexOf("?"));

System.out.println(imgURL);

String fileName=imgURL.substring(imgURL.lastIndexOf("/")+1);

System.out.println(fileName);

vo.setImgurl(fileName);

System.out.println(vo);

}else {

System.out.println("검색데이터가 없습니다.");

}

} catch (Exception e) {

e.printStackTrace();

}

}

}