package br.com.Controle;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;

public class Controle {

    private String login;
    private String senha;
    private String url;
    private String sessionCookie="";
    private String urlFicha;
    private HttpURLConnection urlConnection;

    public Controle(String urlLogin, String urlFicha) {
        this.url   = urlLogin;
        this.urlFicha = urlFicha;
    }

    public void conectar(String login,String senha) throws Exception {
        System.out.print("Conectando ................................. ");
        try {
            this.login = login;
            this.senha = senha;
            String data;
            data = URLEncoder.encode("login", "UTF-8") + "=" + URLEncoder.encode(this.login, "UTF-8")+"&";
            data += URLEncoder.encode("senha", "UTF-8") + "=" + URLEncoder.encode(this.senha, "UTF-8");

            URL url = new URL(this.url);
            this.urlConnection = (HttpURLConnection) url.openConnection();
            this.urlConnection.setInstanceFollowRedirects(false);
            this.urlConnection.setDoOutput(true);
            OutputStreamWriter wr = new OutputStreamWriter(this.urlConnection.getOutputStream());
            wr.write(data);
            wr.flush();
            String headerName=null;
            for (int i=1; (headerName = this.urlConnection.getHeaderFieldKey(i))!=null; i++) {
                if ( headerName.equalsIgnoreCase("Set-Cookie") ) {
                    if(sessionCookie == "") {
                        this.sessionCookie = this.urlConnection.getHeaderField(i);
                    }else {
                        this.sessionCookie += "; " + this.urlConnection.getHeaderField(i);
                    }
                }
            }
            System.out.println("[OK]");
        } catch (MalformedURLException e) {
            System.out.println("[FALHOU]");
            System.out.println(e.getMessage());
            throw new Exception("Erro ao pegar sessao.");
        }
    }

    public String pegaFicha(String id) throws Exception {
        System.out.print("Listando ficha ............................. ");
        try {
            //System.out.println(this.urlFicha+id);
            URL urlSouceCode = new URL(this.urlFicha+id);
            this.urlConnection = (HttpURLConnection) urlSouceCode.openConnection();
            this.urlConnection.setInstanceFollowRedirects(false);
            this.urlConnection.setRequestProperty("Cookie", this.sessionCookie);
            InputStream is = this.urlConnection.getInputStream();
            InputStreamReader isr = new InputStreamReader(is);
            BufferedReader br = new BufferedReader(isr);
            String linha, tmp = "";
            while ((linha = br.readLine())!= null) {
                tmp += linha;
                linha = br.readLine();
            }
            System.out.println("[OK] <= id: "+id);
            return tmp;
        } catch (Exception e) {
            System.out.println("[FALHOU] <= id: "+id);
            System.out.println(e.getMessage());
            throw new Exception("Erro ao pegar ficha!");
        }
    }
}