/** 
 * Copyright (C) 2011 Whisper Systems
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.thoughtcrime.securesms.recipients;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.thoughtcrime.securesms.util.NumberUtil;

import android.os.Parcel;
import android.os.Parcelable;

public class Recipients implements Parcelable {

  public static final Parcelable.Creator<Recipients> CREATOR = new Parcelable.Creator<Recipients>() {
    public Recipients createFromParcel(Parcel in) {
      return new Recipients(in);
    }

    public Recipients[] newArray(int size) {
      return new Recipients[size];
    }
  };

	
  private List<Recipient> recipients;
	
  public Recipients(List<Recipient> recipients) {
    this.recipients = recipients;
  }
	
  public Recipients(Parcel in) {
    this.recipients = new ArrayList<Recipient>();
    in.readTypedList(recipients, Recipient.CREATOR);
  }
	
  public Recipients truncateToSingleRecipient() {
    assert(!this.recipients.isEmpty());
    this.recipients = this.recipients.subList(0, 1);
    return this;
  }
	
  public boolean isEmailRecipient() {
    for (Recipient recipient : recipients) {
      if (NumberUtil.isValidEmail(recipient.getNumber()))
	return true;
    }
		
    return false;
  }
	
  public boolean isEmpty() {
    return this.recipients.isEmpty();
  }
	
  public boolean isSingleRecipient() {
    return this.recipients.size() == 1;
  }
	
  public Recipient getPrimaryRecipient() {
    if (!isEmpty())
      return this.recipients.get(0);
    else
      return null;
  }
	
  public List<Recipient> getRecipientsList() {
    return this.recipients;
  }
	
  public String[] toNumberStringArray() {
    String[] recipientsArray     = new String[recipients.size()];
    Iterator<Recipient> iterator = recipients.iterator();
    int i                        = 0;
		
    while (iterator.hasNext())
      recipientsArray[i++] = iterator.next().getNumber();
		
    return recipientsArray;
  }

  public String toShortString() {
    String fromString = "";
		
    for (int i=0;i<recipients.size();i++) {
      fromString += recipients.get(i).toShortString();
			
      if (i != recipients.size() -1 )
	fromString += ", ";			
    }
		
    return fromString;
  }

  public int describeContents() {
    return 0;
  }

  public void writeToParcel(Parcel dest, int flags) {
    dest.writeTypedList(recipients);
  }
}