package org.geeckodev.formadroid.dao;

import java.io.IOException;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.geeckodev.formadroid.model.Lesson;
import org.geeckodev.formadroid.model.Week;

import android.util.Log;

public class DAO {
    private final String url = "http://vpnetudiant.fr/formafetch/";
    private DefaultHttpClient client;

    public DAO() {
        this.client = new DefaultHttpClient();
    }

    private String retrieve(String url) {
        HttpGet getRequest = new HttpGet(url);

        try {
            HttpResponse getResponse = client.execute(getRequest);
            final int statusCode = getResponse.getStatusLine().getStatusCode();

            if (statusCode != HttpStatus.SC_OK) {
                Log.w(getClass().getSimpleName(), "Error " + statusCode + " for URL " + url);
                return null;
            }

            HttpEntity getResponseEntity = getResponse.getEntity();

            if (getResponseEntity != null) {
                return EntityUtils.toString(getResponseEntity);
            }
        } catch (IOException e) {
            getRequest.abort();
            Log.w(getClass().getSimpleName(), "Error for URL " + url, e);
        }

        return null;
    }

    private void build(String data, Week week) {
        int day = 0;

        week.clear();

        for (String i : data.split("\n")) {
            if (i.startsWith(">")) {
                day++;
            }

            String begin = i.substring(0, 6);
            String end = i.substring(7, 13);
            String name = i.substring(14, i.length());

            week.getDay(day).addLesson(new Lesson(begin, end, name));
        }
    }

    public void find(String group, Week week, Week nextWeek) {
        build(retrieve(this.url + group), week);
        //build(retrieve(this.url + group + "_next"), nextWeek);
    }

}