package helpers;


import haxe.io.Bytes;
import haxe.io.Path;
import haxe.zip.Writer;
import sys.io.File;
import sys.FileSystem;


class ZipHelper {
	
	
	public static function compress (path:String, targetPath:String = ""):Void {
		
		var files = new Array <Dynamic> ();
		
		if (FileSystem.isDirectory (path)) {
			
			readDirectory (path, "", files);
			
		} else {
			
			readFile (path, "", files);
			
		}
		
		if (targetPath == "") {
			
			targetPath = path;
			
		}
		
		PathHelper.mkdir (Path.directory (targetPath));
		var output = File.write (targetPath, true);
		
		/*if (Path.extension (path) == "crx") {
			
			var input = File.read (defines.get ("KEY_STORE"), true);
			var publicKey:Bytes = input.readAll ();
			input.close ();
			
			var signature = SHA1.encode ("this isn't working");
			
			output.writeString ("Cr24"); // magic number
			output.writeInt32 (Int32.ofInt (2)); // CRX file format version
			output.writeInt32 (Int32.ofInt (publicKey.length)); // public key length
			output.writeInt32 (Int32.ofInt (signature.length)); // signature length
			output.writeBytes (publicKey, 0, publicKey.length);
			output.writeString (signature);
			
			//output.writeBytes (); // public key contents "The contents of the author's RSA public key, formatted as an X509 SubjectPublicKeyInfo block. "
			//output.writeBytes (); // "The signature of the ZIP content using the author's private key. The signature is created using the RSA algorithm with the SHA-1 hash function."
			
		}*/
		
		LogHelper.info ("", " - \x1b[1mWriting file:\x1b[0m " + targetPath);
		
		var writer = new Writer (output);
		writer.write (cast files);
		output.close ();
		
	}
	
	
	private static function readDirectory (basePath:String, path:String, files:Array<Dynamic>):Void {
		
		var directory = PathHelper.combine (basePath, path);
		
		for (file in FileSystem.readDirectory (directory)) {
			
			var fullPath = PathHelper.combine (directory, file);
			var childPath = PathHelper.combine (path, file);
			
			if (FileSystem.isDirectory (fullPath)) {
				
				readDirectory (basePath, childPath, files);
				
			} else {
				
				readFile (basePath, childPath, files);
				
			}
			
		}
		
	}
	
	
	private static function readFile (basePath:String, path:String, files:Array<Dynamic>):Void {
		
		if (Path.extension (path) != "zip" && Path.extension (path) != "crx" && Path.extension (path) != "wgt") {
			
			var fullPath = PathHelper.combine (basePath, path);
			
			var name = path;
			//var date = FileSystem.stat (directory + "/" + file).ctime;
			var date = Date.now ();
			
			LogHelper.info ("", " - \x1b[1mCompressing file:\x1b[0m " + fullPath);
			
			var input = File.read (fullPath, true);
			var data = input.readAll ();
			input.close ();
			
			files.push ( { fileName: name, fileTime: date, data: data } );
			
		}
		
	}
	

}