//
//  AppDelegate.m
//  PyRu
//
//  Created by Bill Bumgarner on 11/24/07.
//  Copyright 2007 __MyCompanyName__. All rights reserved.
//

#import "AppDelegate.h"

@class PythonStuff;

@interface NSObject (MethodsThatReallyDoExist)
- (NSArray *) arrayOfNamedStrings;
@end

@implementation AppDelegate

- (void)applicationDidFinishLaunching: (NSApplication *)anApp
{
    NSBundle *mainBundle = [NSBundle mainBundle];
    NSString *resourcePath = [mainBundle resourcePath];
    NSArray *pythonPathArray = [NSArray arrayWithObjects: resourcePath, [resourcePath stringByAppendingPathComponent:@"PyObjC"], nil];
    
    setenv("PYTHONPATH", [[pythonPathArray componentsJoinedByString:@":"] UTF8String], 1);
    
    NSArray *possibleMainExtensions = [NSArray arrayWithObjects: @"py", @"pyc", @"pyo", nil];
    NSString *mainFilePath = nil;
    
    for (NSString *possibleMainExtension in possibleMainExtensions) {
        mainFilePath = [mainBundle pathForResource: @"main" ofType: possibleMainExtension];
        if ( mainFilePath != nil ) break;
    }
    
	if ( !mainFilePath ) {
        [NSException raise: NSInternalInconsistencyException format: @"%s:%d main() Failed to find the Main.{py,pyc,pyo} file in the application wrapper's Resources directory.", __FILE__, __LINE__];
    }
    
    Py_SetProgramName("/usr/bin/python");
    Py_Initialize();
    
    const char *mainFilePathPtr = [mainFilePath UTF8String];
    FILE *mainFile = fopen(mainFilePathPtr, "r");
    int result = PyRun_SimpleFile(mainFile, (char *)[[mainFilePath lastPathComponent] UTF8String]);
    
    if ( result != 0 )
        [NSException raise: NSInternalInconsistencyException
                    format: @"%s:%d main() PyRun_SimpleFile failed with file '%@'.  See console for errors.", __FILE__, __LINE__, mainFilePath];
    
    [self willChangeValueForKey: @"arrayOfNamedStrings"];
    [self didChangeValueForKey: @"arrayOfNamedStrings"];
}

- (NSArray *) arrayOfNamedStrings;
{
    if (!stuff) {
        Class PythonStuffClass = NSClassFromString(@"PythonStuff");
        stuff = [PythonStuffClass new];
    }    
    return [stuff arrayOfNamedStrings];
}
@end