/*######################################################################

### I N I T I A L I Z A T I O N

######################################################################*/

var Y = global.Y;

// Global jQuery callback queues.  Used across the application to trigger actions

// on various events.

//

Y.callback = function( name, flags ) {

        if ( ! Y.callbacks ) Y.callbacks = {};

        // Create a new callback queue if one doesn't already exist

        // for the provided +name+.

        //

        if ( ! Y.callbacks[name] ) {

                if ( ! flags ) flags = 'unique';

                Y.callbacks[name] = $.Callbacks( flags );

        }

        return Y.callbacks[name];

};

// Node's gui interface.

Y.gui = require( 'nw.gui' );

// Execute yubi external processes.

//

Y.yubiexec = function( cmd, args ) {

	// Add the dynamic lib path for libyubi.

	//

	var lib = './yubi/' + process.platform + '/lib';

	var env = process.env;

	env[ 'DYLD_LIBRARY_PATH' ] = env[ 'DYLD_LIBRARY_PATH' ] + ':' + lib;

	// FIXME:  need to add linux and windows

	if ( ! args ) args = [];

	var binary = './yubi/' + process.platform + '/bin/' + cmd;

	Y.fs.chmodSync( binary, 0755 );

	var child = Y.spawn( binary, args, { env: env });

	if ( ! child ) {

		Y.callback( cmd + '-fatal' ).fire();

		return;

	}

	// Send callbacks when data is received.

	//

	child.stdout.on( 'data', function(data) {

		Y.callback( cmd ).fire( data );

	});

	child.stderr.on( 'data', function(data) {

		Y.callback( cmd + '-error' ).fire( data );

	});

	// Log exit code.

	//

	child.on( 'close', function(code) {

		console.log( cmd + ' process exited with code: ' + code);

	});

};

// Callback behaviors for ykinfo execution.

//

Y.callback( 'ykinfo' ).add( function(data) {

	Y.keyinfo = {};

	$.each( data.toString().split("\n"), function(i, info) {

		var match = info.match( /^(\w+):\s+(.+)$/ );

		if ( match ) Y.keyinfo[ match[1] ] = match[2];

	});

});

Y.callback( 'ykinfo-fatal' ).add( function() { Y.keyinfo = {} } );

Y.callback( 'ykinfo-error' ).add( function() { Y.keyinfo = {} } );