package de.danoeh.antennapod.feed;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;

import android.preference.PreferenceManager;
import de.danoeh.antennapod.PodcastApp;

/**
 * Data Object for a whole feed
 * 
 * @author daniel
 * 
 */
public class Feed extends FeedFile {
	public static final String TYPE_RSS2 = "rss";
	public static final String TYPE_ATOM1 = "atom";

	private String title;
	/** Link to the website. */
	private String link;
	private String description;
	private String language;
	/** Name of the author */
	private String author;
	private FeedImage image;
	private FeedCategory category;
	private List<FeedItem> items;
	/** Date of last refresh. */
	private Date lastUpdate;
	private String paymentLink;
	/** Feed type, for example RSS 2 or Atom */
	private String type;

	public Feed(Date lastUpdate) {
		super();
		items = new CopyOnWriteArrayList<FeedItem>();
		this.lastUpdate = lastUpdate;
	}

	/**
	 * This constructor is used for requesting a feed download. It should NOT be
	 * used if the title of the feed is already known.
	 * */
	public Feed(String url, Date lastUpdate) {
		this(lastUpdate);
		this.download_url = url;
	}

	/**
	 * This constructor is used for requesting a feed download. It should be
	 * used if the title of the feed is already known.
	 * */
	public Feed(String url, Date lastUpdate, String title) {
		this(url, lastUpdate);
		this.title = title;
	}

	/**
	 * Returns the number of FeedItems where 'read' is false. If the 'display
	 * only episodes' - preference is set to true, this method will only count
	 * items with episodes.
	 * */
	public int getNumOfNewItems() {
		int count = 0;
		boolean displayOnlyEpisodes = PreferenceManager
				.getDefaultSharedPreferences(PodcastApp.getInstance())
				.getBoolean(PodcastApp.PREF_DISPLAY_ONLY_EPISODES, false);

		for (FeedItem item : items) {
			if (!item.isRead()) {
				if (!displayOnlyEpisodes || item.getMedia() != null) {
					count++;
				}
			}
		}
		return count;
	}

	/**
	 * Returns true if at least one item in the itemlist is unread.If the
	 * 'display only episodes' - preference is set to true, this method will
	 * only count items with episodes.
	 */
	public boolean hasNewItems() {
		boolean displayOnlyEpisodes = PreferenceManager
				.getDefaultSharedPreferences(PodcastApp.getInstance())
				.getBoolean(PodcastApp.PREF_DISPLAY_ONLY_EPISODES, false);
		for (FeedItem item : items) {
			if (!item.isRead()) {
				if (!displayOnlyEpisodes || item.getMedia() != null) {
					return true;
				}
			}
		}
		return false;
	}

	/**
	 * Returns the number of FeedItems. If the 'display only episodes' -
	 * preference is set to true, this method will only count items with
	 * episodes.
	 * */
	public int getNumOfItems() {
		int count = 0;
		boolean displayOnlyEpisodes = PreferenceManager
				.getDefaultSharedPreferences(PodcastApp.getInstance())
				.getBoolean(PodcastApp.PREF_DISPLAY_ONLY_EPISODES, false);
		for (FeedItem item : items) {
			if (!displayOnlyEpisodes || item.getMedia() != null) {
				count++;
			}
		}
		return count;
	}

	public String getTitle() {
		return title;
	}

	public void setTitle(String title) {
		this.title = title;
	}

	public String getLink() {
		return link;
	}

	public void setLink(String link) {
		this.link = link;
	}

	public String getDescription() {
		return description;
	}

	public void setDescription(String description) {
		this.description = description;
	}

	public FeedImage getImage() {
		return image;
	}

	public void setImage(FeedImage image) {
		this.image = image;
	}

	public FeedCategory getCategory() {
		return category;
	}

	public void setCategory(FeedCategory category) {
		this.category = category;
	}

	public List<FeedItem> getItems() {
		return items;
	}

	public void setItems(ArrayList<FeedItem> items) {
		this.items = items;
	}

	public Date getLastUpdate() {
		return lastUpdate;
	}

	public void setLastUpdate(Date lastUpdate) {
		this.lastUpdate = lastUpdate;
	}

	public String getPaymentLink() {
		return paymentLink;
	}

	public void setPaymentLink(String paymentLink) {
		this.paymentLink = paymentLink;
	}

	public String getLanguage() {
		return language;
	}

	public void setLanguage(String language) {
		this.language = language;
	}

	public String getAuthor() {
		return author;
	}

	public void setAuthor(String author) {
		this.author = author;
	}

	public String getType() {
		return type;
	}

	public void setType(String type) {
		this.type = type;
	}

}