/*
 * Copyright 2008 CIPRES project. http://www.phylo.org/
 * All Rights Reserved.
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for educational, research and non-profit purposes, without
 * fee, and without a written agreement is hereby granted, provided that the
 * above copyright notice, this paragraph and the following two paragraphs
 * appear in all copies.
 *
 * Permission to incorporate this software into commercial products may be
 * obtained by contacting us:
 *              http://www.phylo.org/contactUs.html
 *
 * The software program and documentation are supplied "as is". In no event
 * shall the CIPRES project be liable to any party for direct, indirect,
 * special, incidental, or consequential damages, including lost profits,
 * arising out of the use of this software and its documentation, even if
 * the CIPRES project has been advised of the possibility of such damage.
 * The CIPRES project specifically disclaims any warranties, including, but
 * not limited to, the implied warranties of merchantability and fitness for
 * a particular purpose. The CIPRES project has no obligations to provide
 * maintenance, support, updates, enhancements, or modifications.
 */
package org.ngbw.web.actions;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
import java.net.URLEncoder;
import org.json.JSONObject;
import org.json.JSONArray;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;


/**
 * RegisterUser.java
 *
 * @author <a href="mailto:lcchan@sdsc.edu">Lucie Chan </a>
 *
 */
public class RegisterUser extends SessionManager
{
    private static final Log logger = LogFactory.getLog(RegisterUser.class);

    
    private String fulltext = null;
    private Map<String, String> autocompleteList = new HashMap<String, String>();
    
    @Override
    public String execute () throws Exception
    {
        return INPUT;
    }


    public String cancel () throws Exception
    {
        return "cancel";
    }
 
    public String autocompleteList()
    {
        buildAutocompleteList(fulltext, true, autocompleteList);
        
        if (autocompleteList.size() <= 0)
            buildAutocompleteList(fulltext, false, autocompleteList);
        
        return SUCCESS;
    } 
    
    
    
    public String buildAutocompleteList(String fulltext, boolean affiliationSearch, Map<String, String> autocompleteList)
    {
        if (fulltext != null)
        {
            /*
            for (String s : autocompleteAllList.keySet())
            {
                if (s.contains(fulltext))
                    autocompleteList.put(s, s);
            }*/
            
            try
            {
                String urlStr = null;
                if (affiliationSearch)
                    urlStr = "https://api.ror.org/organizations?affiliation=" + URLEncoder.encode(fulltext, "UTF-8");
                else
                    urlStr = "https://api.ror.org/organizations?query.advanced=name:"+ URLEncoder.encode(fulltext, "UTF-8");
                URL url = new URL(urlStr);

                HttpURLConnection http = (HttpURLConnection) url.openConnection ();
                http.connect ();

                //int code = http.getResponseCode();
                BufferedReader br = null;
                if (100 <= http.getResponseCode() && http.getResponseCode() <= 399) {
                    br = new BufferedReader(new InputStreamReader(http.getInputStream()));
                } else {
                    br = new BufferedReader(new InputStreamReader(http.getErrorStream()));
                }

                String output;
                StringBuffer sb = new StringBuffer();

                while ((output = br.readLine()) != null)
                {
                    //logger.info("ror returned value: " + output );
                    sb.append(output);
                }
                if (sb.length() > 0)
                {
                    JSONObject json = new JSONObject(sb.toString());
                   
                    JSONArray items = json.getJSONArray("items");
                    if (items != null)
                    {
                        for (int i = 0; i < items.length(); ++i)
                        {
                            JSONObject json2 = items.getJSONObject(i);
                            String name = null;
                            if (affiliationSearch)
                            {
                                JSONObject organization = json2.getJSONObject("organization");
                                name = organization.getString("name");
                            }
                            else
                                name = json2.getString("name");
                            
                            logger.info("ror organization name = " + name);
                            autocompleteList.put(name, name);
                        }
                    }
                    
                }
            }
            catch (Exception ex)
            {
                logger.error("Exception caught while parsing json results");
                logger.error(ex);
            }
        }
        return SUCCESS;
    }

    public Map<String, String> getAutocompleteList()
    {
        return autocompleteList;
    }
    
    public void setFulltext(String fulltext)
    {
        this.fulltext = fulltext;
    }
    
    public String getFulltext()
    {
        return fulltext;
    }
}