package com.xtremelabs.robolectric.shadows;

import static org.junit.Assert.assertThat;
import android.media.MediaPlayer;
import android.net.Uri;
import android.widget.VideoView;

import com.xtremelabs.robolectric.internal.Implementation;
import com.xtremelabs.robolectric.internal.Implements;

@Implements(VideoView.class)
@SuppressWarnings({"UnusedDeclaration"})
public class ShadowVideoView extends ShadowSurfaceView {
	
	private MediaPlayer.OnCompletionListener completionListner;
	private MediaPlayer.OnErrorListener errorListener;
	private MediaPlayer.OnPreparedListener preparedListener;
	
	private Uri uri;
	private String path;
		
	public static final int STOP = 0;
	public static final int START = 1;
	public static final int SUSPEND = 2;
	public static final int PAUSE = 3;
	public static final int RESUME = 4;
	
	private int currentState = -1;
	private int prevState;
	
	@Implementation
	public void setOnPreparedListener(MediaPlayer.OnPreparedListener l) {
		preparedListener = l;		
	}
		
	@Implementation
	public void setOnErrorListener(MediaPlayer.OnErrorListener l) {
		errorListener = l;
	}
	
	@Implementation
	public void setOnCompletionListener(MediaPlayer.OnCompletionListener l) {
		completionListner = l;
	}
	
	@Implementation
	public void setVideoPath(String path) {
		this.path = path;
	}
	
	@Implementation
	public void setVideoURI(Uri uri) {
		this.uri = uri;
	}
	
	@Implementation
	public void start() {
		savePrevState();
		currentState = ShadowVideoView.START;
	}
	
	@Implementation
	public void stopPlayback() {
		savePrevState();
		currentState = ShadowVideoView.STOP;
	}
	
	@Implementation
	public void suspend() {
		savePrevState();
		currentState = ShadowVideoView.SUSPEND;
	}
	
	@Implementation
	public void pause() {
		savePrevState();
		currentState = ShadowVideoView.PAUSE;
	}
	
	@Implementation
	public void resume() {
		savePrevState();
		currentState = ShadowVideoView.RESUME;
	}
	
	@Implementation
	public boolean isPlaying() {
		return (currentState == ShadowVideoView.START);
	}
	
	@Implementation
	public boolean canPause() {
		return (currentState != ShadowVideoView.PAUSE && 
				currentState != ShadowVideoView.STOP && 
				currentState != ShadowVideoView.SUSPEND);
	}

	/**
	 * Non-Android accessor.
	 */
	public MediaPlayer.OnPreparedListener getOnPreparedListener() {
		return preparedListener;
	}
	
	/**
	 * Non-Android accessor.
	 * @return
	 */
	public MediaPlayer.OnErrorListener getOnErrorListener() {
		return errorListener;
	}
	
	/**
	 * Non-Android accessor.
	 * @return
	 */
	public MediaPlayer.OnCompletionListener getOnCompletionListener() {
		return completionListner; 
	}
	
	/**
	 * Non-Android accessor.
	 * @return
	 */
	public String getVideoPath() {
		return path;
	}
	
	/**
	 * Non-Android accessor.
	 * @return
	 */
	public String getVideoURIString() {
		return uri == null ? null : uri.toString();
	}
	
	/**
	 * Non-Android accessor.
	 * @return
	 */
	public int getCurrentVideoState() {
		return currentState;
	}
		
	/**
	 * Non-Android accessor.
	 * @return
	 */
	public int getPrevVideoState() {
		return prevState;
	}
	
	/**
	 * Non-Android accessor.
	 */
	private void savePrevState() {
		prevState = currentState;
	}
	
}