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package com.sun.mediabox.controls;

import javafx.scene.control.Behavior;
import javafx.scene.input.KeyEvent;
import javafx.scene.media.MediaPlayer;
import com.sun.javafx.mediabox.controls.*;

/**
 * @author baechul
 */

public class MediaSliderBehavior extends Behavior {

    // control
    var slider = bind skin.control as MediaSlider;
    var mediaPlayer: MediaPlayer = bind slider.mediaPlayer;

    // behaviors
    var skip: Boolean = false;
    public function updateMediaPlayerCurrentTime(progress: Number) {
        if(mediaPlayer != null and mediaPlayer.media != null) {
            if(isValidTime(mediaPlayer.media.duration)) {
                skip = true;
                mediaPlayer.currentTime = mediaPlayer.media.duration.mul(progress);
                skip = false;
            }
        }
    }

    var currentTime = bind mediaPlayer.currentTime on replace {
        if(mediaPlayer.media != null and not skip) {
            if(mediaPlayer.media.duration != 0s and
            isValidTime(mediaPlayer.media.duration) and
            isValidTime(mediaPlayer.currentTime)) {
                slider.progress = mediaPlayer.currentTime.toMillis()/mediaPlayer.media.duration.toMillis();
            }
        }
    }

    var bufferProgressTime = bind mediaPlayer.bufferProgressTime on replace {
        if(mediaPlayer.media != null) {
            if(mediaPlayer.media.duration != 0s and
            isValidTime(mediaPlayer.media.duration) and
            isValidTime(mediaPlayer.bufferProgressTime)) {
                slider.impl_setBufferProgress(mediaPlayer.bufferProgressTime.toMillis()/mediaPlayer.media.duration.toMillis());
            }
        }
    }

    function isValidTime(dur: Duration): Boolean {
        return dur.toMillis() != Double.NEGATIVE_INFINITY and
           dur.toMillis() != Double.POSITIVE_INFINITY;
    }
    
    // TODO
    public override function callActionForEvent(e:KeyEvent):Void {
    }
}