/* AppDelegate.m
 *
 * Copyright (C) 2023 Free Software Foundation, Inc.
 *
 * Author:	Gregory John Casamento <greg.casamento@gmail.com>
 * Date:	2023
 *
 * This file is part of GNUstep.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111
 * USA.
 */

#import "ArgPair.h"
#import "GormToolPrivate.h"
#import "AppDelegate.h"

#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wobjc-protocol-method-implementation"
// Smash this method in NSDocument to prevent it from popping up an NSRunAlertPanel
@interface NSDocument (__ReplaceLoadPrivate__)

- (id) initWithContentsOfFile: (NSString *)fileName ofType: (NSString *)fileType;

@end
  
@implementation NSDocument (__ReplaceLoadPrivate__)

- (id) initWithContentsOfFile: (NSString *)fileName ofType: (NSString *)fileType
{
  self = [self init];
  if (self != nil)
    {
      [self setFileType: fileType];
      [self setFileName: fileName];
      if (![self readFromFile: fileName ofType: fileType])
	{
	  NSLog(@"Load failed, could not load file");
	  DESTROY(self);
	}
    }
  return self;
}

@end
#pragma GCC diagnostic pop

// AppDelegate...
@implementation AppDelegate

// Are we in a tool?
- (BOOL) isInTool
{
  return YES;
}

// Handle all alerts...

- (BOOL) shouldUpgradeOlderArchive
{
  NSLog(@"Upgrading archive to latest version of .gorm format");
  return YES;
}

- (BOOL) shouldLoadNewerArchive
{
  NSLog(@"Refusing to load archive since it is from a newer version of Gorm/gormtool");
  return NO;
}

- (BOOL) shouldBreakConnectionsForClassNamed: (NSString *)className
{
  NSLog(@"Breaking connections for instances of class: %@", className);
  return YES;
}

- (BOOL) shouldRenameConnectionsForClassNamed: (NSString *)className toClassName: (NSString *)newName
{
  NSLog(@"Renaming connections from class %@ to class %@", className, newName);
  return YES;
}

- (BOOL) shouldBreakConnectionsModifyingLabel: (NSString *)name isAction: (BOOL)action prompted: (BOOL)prompted
{
  NSLog(@"Breaking connections for %@ %@", action?@"action":@"outlet", name);
  return YES;
}

- (void) couldNotParseClassAtPath: (NSString *)path;
{
  NSLog(@"Could not parse class at path: %@", path);
}

- (void) exceptionWhileParsingClass: (NSException *)localException
{
  NSLog(@"Exception while parsing class: %@", [localException reason]);
}

- (BOOL) shouldBreakConnectionsReparsingClass: (NSString *)className
{
  NSLog(@"Breaking any existing connections with instances of class %@", className);
  return YES;
}

- (id<IBDocuments>) activeDocument
{
  return _doc;
}

// Handle arguments

- (NSDictionary *) parseArguments
{
  GormDocumentController *dc = [GormDocumentController sharedDocumentController];
  NSMutableDictionary *result = [NSMutableDictionary dictionary];
  NSProcessInfo *pi = [NSProcessInfo processInfo];
  NSMutableArray *args = [NSMutableArray arrayWithArray: [pi arguments]];
  // BOOL filenameIsLastObject = NO;
  NSString *file = nil;

  // If the --read option isn't specified, we assume that the last argument is
  // the file to be processed.
  if ([args containsObject: @"--read"] == NO)
    {
      file = [args lastObject];
      // filenameIsLastObject = YES;
      [args removeObject: file];
      NSDebugLog(@"file = %@", file);

      NSString  *type = [dc typeFromFileExtension: [file pathExtension]];
      
      if (type != nil)
	{
	  ArgPair *pair = AUTORELEASE([[ArgPair alloc] init]);

	  [pair setArgument: @"--read"];
	  [pair setValue: file];
	  
	  [result setObject: pair forKey: @"--read"];
	  NSDebugLog(@"Faking read pair %@", file);
	}      
    }
  
  NSEnumerator *en = [args objectEnumerator];
  id obj = nil;
  BOOL parse_val = NO;
  ArgPair *pair = AUTORELEASE([[ArgPair alloc] init]);
  
  while ((obj = [en nextObject]) != nil)
    {
      if (parse_val)
	{
	  [pair setValue: obj];
	  [result setObject: pair forKey: [pair argument]];
	  parse_val = NO;
	  continue;
	}
      else
	{
	  pair = AUTORELEASE([[ArgPair alloc] init]);

	  if ([obj isEqualToString: @"--read"])
	    {
	      [pair setArgument: obj];
	      parse_val = YES;	      
	    }

	  if ([obj isEqualToString: @"--write"])
	    {
	      [pair setArgument: obj];
	      parse_val = YES;
	    }

	  if ([obj isEqualToString: @"--export-strings-file"])
	    {
	      [pair setArgument: obj];
	      parse_val = YES;
	    }

	  if ([obj isEqualToString: @"--import-strings-file"])
	    {
	      [pair setArgument: obj];
	      parse_val = YES;
	    }

	  if ([obj isEqualToString: @"--export-class"])
	    {
	      [pair setArgument: obj];
	      parse_val = YES;
	    }
	  
	  if ([obj isEqualToString: @"--import-class"])
	    {
	      [pair setArgument: obj];
	      parse_val = YES;
	    }

	  if ([obj isEqualToString: @"--output-path"])
	    {
	      [pair setArgument: obj];
	      parse_val = YES;
	    }

	  if ([obj isEqualToString: @"--connections"])
	    {
	      [pair setArgument: obj];
	      parse_val = NO;
	    }

	  if ([obj isEqualToString: @"--classes"])
	    {
	      [pair setArgument: obj];
	      parse_val = NO;
	    }

	  if ([obj isEqualToString: @"--objects"])
	    {
	      [pair setArgument: obj];
	      parse_val = NO;
	    }

	  if ([obj isEqualToString: @"--errors"])
	    {
	      [pair setArgument: obj];
	      parse_val = NO;
	    }

	  if ([obj isEqualToString: @"--warnings"])
	    {
	      [pair setArgument: obj];
	      parse_val = NO;
	    }

	  if ([obj isEqualToString: @"--notices"])
	    {
	      [pair setArgument: obj];
	      parse_val = NO;
	    }

	  if ([obj isEqualToString: @"--source-language"])
	    {
	      [pair setArgument: obj];
	      parse_val = YES;
	    }

	  if ([obj isEqualToString: @"--target-language"])
	    {
	      [pair setArgument: obj];
	      parse_val = YES;
	    }

	  if ([obj isEqualToString: @"--export-xliff"])
	    {
	      [pair setArgument: obj];
	      parse_val = YES;
	    }

	  if ([obj isEqualToString: @"--import-xliff"])
	    {
	      [pair setArgument: obj];
	      parse_val = YES;
	    }

	  if ([obj isEqualToString: @"--test"])
	    {
	      [pair setArgument: obj];
	      parse_val = NO;
	    }

	  // If there is no parameter for the argument, set it anyway...
	  if (parse_val == NO)
	    {
	      [result setObject: pair forKey: obj];
	    }
	}
    }

  return result;
}

- (void) process
{
  NSProcessInfo *pi = [NSProcessInfo processInfo];
  
  [NSClassSwapper setIsInInterfaceBuilder: YES];

  isTesting = NO;
  
  if ([[pi arguments] count] > 1)
    {
      NSString *file = nil;
      NSString *outputPath = @"./";
      GormDocumentController *dc = [GormDocumentController sharedDocumentController];
      // GormDocument *doc = nil;
      NSDictionary *args = [self parseArguments];
      ArgPair *opt = nil;
      NSString *slang = nil;
      NSString *tlang = nil;
      
      NSDebugLog(@"args = %@", args);
      NSDebugLog(@"file = %@", file);

      // Get the file to write out to...
      NSString *outputFile = nil;

      opt = [args objectForKey: @"--read"];
      if (opt != nil)
	{
	  file = [opt value];
	}

      NS_DURING
	{
	  if (file != nil)
	    {
	      _doc = [dc openDocumentWithContentsOfFile: file display: NO];
	      if (_doc == nil)
		{
		  NSLog(@"Unable to load document %@", file);
		  return;
		}
	    }
	  else
	    {
	      NSLog(@"No document specified");
	      return;
	    }
	}
      NS_HANDLER
	{
	  NSLog(@"Exception: %@", [localException reason]);
	}
      NS_ENDHANDLER;
      
      NSDebugLog(@"Document = %@", _doc);

      // Get other options...
      opt = [args objectForKey: @"--output-path"];
      if (opt != nil)
	{
	  outputPath = [opt value];
	}
      
      opt = [args objectForKey: @"--export-strings-file"];
      if (opt != nil)
	{
	  NSString *stringsFile = [opt value];

	  [_doc exportStringsToFile: stringsFile];
	}

      opt = [args objectForKey: @"--import-strings-file"];
      if (opt != nil)
	{
	  NSString *stringsFile = [opt value];
	  [_doc importStringsFromFile: stringsFile];
	}

      opt = [args objectForKey: @"--export-class"];
      if (opt != nil)
	{
	  NSString *className = [opt value];
	  BOOL saved = NO;
	  GormClassManager *cm = [_doc classManager];
	  NSString *hFile = [className stringByAppendingPathExtension: @"h"];
	  NSString *mFile = [className stringByAppendingPathExtension: @"m"];
	  NSString *hPath = [outputPath stringByAppendingPathComponent: hFile];
	  NSString *mPath = [outputPath stringByAppendingPathComponent: mFile];
	  
	  saved = [cm makeSourceAndHeaderFilesForClass: className
					      withName: mPath
						   and: hPath];
	  
	  if (saved == NO)
	    {
	      NSLog(@"Class named %@ not saved", className);
	    }
	}

      opt = [args objectForKey: @"--import-class"];
      if (opt != nil)
	{
	  NSString *classFile = [opt value];
	  GormClassManager *cm = [_doc classManager];
	  
	  [cm parseHeader: classFile];
	}

      opt = [args objectForKey: @"--connections"];
      if (opt != nil)
	{
	  NSArray *connections = [_doc connections];
	  puts([[NSString stringWithFormat: @"%@", connections] cStringUsingEncoding: NSUTF8StringEncoding]);
	}

      opt = [args objectForKey: @"--classes"];
      if (opt != nil)
	{
	  NSDictionary *classes = [[_doc classManager] customClassInformation];
	  puts([[NSString stringWithFormat: @"%@", classes] cStringUsingEncoding: NSUTF8StringEncoding]);
	}

      opt = [args objectForKey: @"--objects"];
      if (opt != nil)
	{
	  NSSet *objects = [_doc topLevelObjects];
	  puts([[NSString stringWithFormat: @"%@", objects] cStringUsingEncoding: NSUTF8StringEncoding]);
	}

      opt = [args objectForKey: @"--errors"];
      if (opt != nil)
	{
	  GormFilePrefsManager *mgr = [_doc filePrefsManager];
	  NSDictionary *p = [NSDictionary dictionaryWithDictionary: [mgr currentProfile]];
	  puts([[NSString stringWithFormat: @"%@", p] cStringUsingEncoding: NSUTF8StringEncoding]);
	}

      opt = [args objectForKey: @"--warnings"];
      if (opt != nil)
	{
	  GormFilePrefsManager *mgr = [_doc filePrefsManager];
	  NSDictionary *p = [NSDictionary dictionaryWithDictionary: [mgr currentProfile]];
	  puts([[NSString stringWithFormat: @"%@", p] cStringUsingEncoding: NSUTF8StringEncoding]);
	}

      opt = [args objectForKey: @"--notices"];
      if (opt != nil)
	{
	  GormFilePrefsManager *mgr = [_doc filePrefsManager]; 
	  NSDictionary *p = [NSDictionary dictionaryWithDictionary: [mgr currentProfile]];
	  puts([[NSString stringWithFormat: @"%@", p] cStringUsingEncoding: NSUTF8StringEncoding]);
	}

      opt = [args objectForKey: @"--source-language"];
      if (opt != nil)
	{
	  slang = [opt value];
	}

      opt = [args objectForKey: @"--target-language"];
      if (opt != nil)
	{
	  tlang = [opt value];
	}

      opt = [args objectForKey: @"--export-xliff"];
      if (opt != nil)
	{
	  NSString *xliffDocumentName = [opt value];
	  BOOL result = NO;
	  GormXLIFFDocument *xd = [GormXLIFFDocument xliffWithGormDocument: _doc];
	  
	  if (slang == nil)
	    {
	      NSLog(@"Please specify a source language");	      
	    }

	  result = [xd exportXLIFFDocumentWithName: xliffDocumentName
				withSourceLanguage: slang
				 andTargetLanguage: tlang];	  
	  if (result == NO)
	    {
	      NSLog(@"File not generated");
	    }
	}

      opt = [args objectForKey: @"--import-xliff"];
      if (opt != nil)
	{
	  NSString *xliffDocumentName = [opt value];
	  BOOL result = NO;
	  GormXLIFFDocument *xd = [GormXLIFFDocument xliffWithGormDocument: _doc];
	  
	  result = [xd importXLIFFDocumentWithName: xliffDocumentName];
	  if (result == NO)
	    {
	      NSLog(@"No translation performed.");
	    }
	}

      // These options sound always be processed last...
      opt = [args objectForKey: @"--write"];
      if (opt != nil)
	{
	  outputFile = [opt value];
	  if (outputFile != nil)
	    {	  
	      BOOL saved = NO;
	      NSURL *file = [NSURL fileURLWithPath: outputFile isDirectory: YES];
	      NSString *type = [dc typeFromFileExtension: [outputFile pathExtension]];
	      NSError *error = nil;
	      
	      saved = [_doc saveToURL: file
			       ofType: type
			    forSaveOperation: NSSaveOperation
				error: &error];
	      if ( !saved )
		{
		  NSLog(@"Document %@ of type %@ was not saved", file, type);
		}
	      
	      if (error != nil)
		{
		  NSLog(@"Error = %@", error);
		}
	    }
	}

      opt = [args objectForKey: @"--test"];
      if (opt != nil)
	{
	  NSLog(@"Control-C to end");
	  isTesting = YES;
	  [self testInterface: self];
	}
    }
  
  [NSClassSwapper setIsInInterfaceBuilder: NO];
}

- (void) exceptionWhileLoadingModel: (NSString *)errorMessage
{
  NSLog(@"Exception: %@", errorMessage);
}

- (void) applicationDidFinishLaunching: (NSNotification *)n
{
  NSDebugLog(@"processInfo: %@", [NSProcessInfo processInfo]);
  [self process];

  if (isTesting == NO)
    {
      [NSApp terminate: nil];
    }
}

- (void) applicationWillTerminate: (NSNotification *)n
{
}

@end