package {
    import com.pfp.events.JPEGAsyncCompleteEvent;
    import com.pfp.utils.JPEGAsyncEncoder;

    import flash.display.Bitmap;
    import flash.display.BitmapData;
    import flash.display.Sprite;
    import flash.display.StageAlign;
    import flash.display.StageScaleMode;
    import flash.events.MouseEvent;
    import flash.filesystem.File;
    import flash.filesystem.FileMode;
    import flash.filesystem.FileStream;
    import flash.media.Camera;
    import flash.media.Video;
    import flash.utils.ByteArray;

    import qnx.dialog.AlertDialog;
    import qnx.ui.buttons.LabelButton;
    import qnx.ui.text.TextInput;

    public class fishyLightningCam extends Sprite {
        private var bitmapData:BitmapData = new BitmapData(972, 546);
        private var bitmap:Bitmap;
        private var byteArray:ByteArray;

        private var file:File = File.documentsDirectory;
        private var fstream:FileStream;

        private var captureBTN:LabelButton = new LabelButton();
        private var discardBTN:LabelButton = new LabelButton();
        private var saveBTN:LabelButton = new LabelButton();
        private var fileName:TextInput = new TextInput();

        private var cam:Camera = Camera.getCamera("1");
        private var vid:Video = new Video(972, 546);

        private var jpgEncoder:JPEGAsyncEncoder;

        public function fishyLightningCam() {
            super();

            // support autoOrients
            stage.align = StageAlign.TOP_LEFT;
            stage.scaleMode = StageScaleMode.NO_SCALE;

            cam.setMode(2592, 1456, 30, true);
            cam.setQuality(0, 100);

            takePictures();
        }
        private function takePictures():void {
            if (cam != null) {
                vid.attachCamera(cam);
                vid.x = 26;
                vid.y = 5;
                addChild(vid);
            } else {
                var noCamAlert:AlertDialog = new AlertDialog();
                noCamAlert.title = "Camera Error";
                noCamAlert.message = "No camera was detected. Please ensure no other apps are using the camera.";
                noCamAlert.addButton("Okay");
                noCamAlert.show();
            }

            captureBTN.label = "Capture!";
            captureBTN.setPosition(400, 550);
            captureBTN.width = 224;
            captureBTN.addEventListener(MouseEvent.CLICK, captureImage);
            addChild(captureBTN);

            fileName.prompt = "File Name";
            fileName.setPosition(36, 555);
            fileName.width = 350;
            fileName.visible = false;
            addChild(fileName);

            saveBTN.label = "Save";
            saveBTN.setPosition(400, 550);
            saveBTN.width = 100;
            saveBTN.visible = false;
            saveBTN.addEventListener(MouseEvent.CLICK, saveCapture);
            addChild(saveBTN);

            discardBTN.label = "Discard";
            discardBTN.setPosition(524, 550);
            discardBTN.width = 100;
            discardBTN.visible = false;
            discardBTN.addEventListener(MouseEvent.CLICK, discardCapture);
            addChild(discardBTN);
        }
        private function captureImage(e:MouseEvent):void {
            bitmapData.draw(vid);
            bitmap = new Bitmap(bitmapData);
            bitmap.x = 26;
            bitmap.y = 5;
            addChild(bitmap);
            removeChild(vid);

            captureBTN.visible = false;
            saveBTN.visible = true;
            discardBTN.visible = true;
            fileName.visible = true;
        }
        private function saveCapture(e:MouseEvent):void {
            jpgEncoder = new JPEGAsyncEncoder(100);
            jpgEncoder.addEventListener(JPEGAsyncCompleteEvent.JPEGASYNC_COMPLETE, encodeWIN);
            jpgEncoder.encode(bitmapData);
        }
        private function encodeWIN(e:JPEGAsyncCompleteEvent):void {
            addChild(vid);
            removeChild(bitmap);
            fstream = new FileStream();
            fstream.openAsync(file.resolvePath(fileName.text + ".jpg"), FileMode.WRITE);
            fstream.writeBytes(e.ImageData);

            /* byteArray = new ByteArray();
            byteArray = e.ImageData;

            byteArray.position = 0;
            fstream.writeBytes(byteArray);
            fstream.close();
            */

            captureBTN.visible = true;
            saveBTN.visible = false;
            discardBTN.visible = false;
            fileName.text = "";
            fileName.visible = false;
        }
        private function discardCapture(e:MouseEvent):void {
            addChild(vid);
            removeChild(bitmap);

            captureBTN.visible = true;
            saveBTN.visible = false;
            discardBTN.visible = false;
            fileName.text = "";
            fileName.visible = false;
        }
    }
}