// enable double clicking from the Macintosh Finder or the Windows Explorer
#target photoshop

// in case we double clicked the file
app.bringToFront();


///////////////////////////
//       SET-UP          //
///////////////////////////

// Set the script location

var scriptLocation = findScript() + "0";

// A list of file extensions to skip, keep them lower case

	gFilesToSkip = Array( "db", "xmp", "thm", "txt", "doc", "md0", "tb0", "adobebridgedb", "adobebridgedbt", "bc", "bct" );


///////////////////////////
//         MAIN          //
///////////////////////////

	main();
	
///////////////////////////
//       FUNCTIONS       //
///////////////////////////

function main(){

	if (documents.length > 0){
		alert ("This script requires that there are no open documents to run.");
	return;
	}
	
	// Pops open a dialog for the user to choose the folder of documents to process

	var inputFolder = Folder.selectDialog("Select a folder of documents to process");

	// Pops open a dialog for the user to set the output folder

	var outputFolder = Folder.selectDialog("Select a folder for the output files");
	
	// Open and process a folder of Images
	
	OpenFolder(outputFolder, inputFolder);
	
}

// Given the a Folder of files, open them

function OpenFolder(outputFolder, inputFolder) {

	// Generate LOG File 
    
	var LOGFilePath = outputFolder + "/" + "imagedata.LOG";
	var LOGFile = File(LOGFilePath);
	LOGFile.remove();
	var LOGFilePath = new File(outputFolder + "/" + "imagedata.LOG");
	
        var filesOpened = 0;
        var fileList = inputFolder.getFiles();
        for ( var i = 0; i < fileList.length; i++ ) {
				// Make sure all the files in the folder are compatible with PS
				if ( fileList[i] instanceof File && ! fileList[i].hidden && ! IsFileOneOfThese( fileList[i], gFilesToSkip )) {
					open( fileList[i] );
					filesOpened++;

				var docRef = activeDocument;
				var myImage = docRef.name

				cropAndStraighten();

				docRef.close(SaveOptions.DONOTSAVECHANGES);
				
				// Check to make sure the right number of images were cropped 
				
				if (app.documents.length > 2) {
					writeImageCountLog(LOGFile, myImage);
				}
							
				while (app.documents.length >=1){
				
				app.activeDocument.flatten();
					
				saveJPG(outputFolder);
				
				// Check the image sizes of the cropped images
				
				if (app.activeDocument.height.value > 600 || app.activeDocument.height.value < 1000 ) {
					writeImageSizeLog(LOGFile, myImage);
				}
				
				fileClose(SaveOptions.DONOTSAVECHANGES);
				
				}

				

				}
        }
        return filesOpened;
}


// given a file name and a list of extensions
// determine if this file is in the list of extensions

function IsFileOneOfThese( inFileName, inArrayOfFileExtensions ) {
	var lastDot = inFileName.toString().lastIndexOf( "." );
	if ( lastDot == -1 ) {
		return false;
	}
	var strLength = inFileName.toString().length;
	var extension = inFileName.toString().substr( lastDot + 1, strLength - lastDot );
	extension = extension.toLowerCase();
	for (var i = 0; i < inArrayOfFileExtensions.length; i++ ) {
		if ( extension == inArrayOfFileExtensions[i] ) {
			return true;
		}
	}
	return false;
}


// fileClose function for closing current document

function fileClose(options) {
	
		app.activeDocument.close(options);
}

// Crop and Straighten

function cropAndStraighten(){
var id333 = stringIDToTypeID( "CropPhotosAuto0001" );
executeAction( id333, undefined, DialogModes.NO );
}

// Save JPG

function saveJPG(filePath){
var id43 = charIDToTypeID( "save" );
    var desc11 = new ActionDescriptor();
    var id44 = charIDToTypeID( "As  " );
        var desc12 = new ActionDescriptor();
        var id45 = charIDToTypeID( "EQlt" );
        desc12.putInteger( id45, 10 );
        var id46 = charIDToTypeID( "MttC" );
        var id47 = charIDToTypeID( "MttC" );
        var id48 = charIDToTypeID( "None" );
        desc12.putEnumerated( id46, id47, id48 );
    var id49 = charIDToTypeID( "JPEG" );
    desc11.putObject( id44, id49, desc12 );
    var id50 = charIDToTypeID( "In  " );
    desc11.putPath( id50, new File( filePath ) );
    var id51 = charIDToTypeID( "LwCs" );
    desc11.putBoolean( id51, true );
executeAction( id43, desc11, DialogModes.NO );
}

// Write out image name LOG

    function writeLOGDocRef(fileType) {
    	LOGFile = fileType;
		writeLOG("<IMAGE><NAME>" + app.activeDocument.name + "</NAME></IMAGE>" + "\n");
    }
    
// Write LOG file

    function writeLOG(log) {
        try {
            if(LOGFile.exists) {
                LOGFile.open ("e");
                LOGFile.seek (0,2);      // Move to EOF
            } else {
            LOGFile.open ("w");          // Add unicode marker if we change to LOG file format for this log file
        }
        LOGFile.encoding = "UTF8"; // set UTF8
        LOGFile.write(log);
        LOGFile.close();
        } catch (e) {
            alert(e);
        } finally {
        }
        return;
    }
    
// Write out Image Count Log

    function writeImageCountLog(fileType, myImage) {
    	LOGFile = fileType;
		writeLOG("Too many images returned from crop on: " + myImage + "\n");
    }
    
// Write out Image Count Log

    function writeImageSizeLog(fileType, myImage) {
    	LOGFile = fileType;
		writeLOG("Incorrect Image Size returned from crop on: " + myImage + "\n");
    }