/*
  CStackDocument.m - NSDocument subclass for Popup.app
  Copyright (C) 2003, 2004 Rob Burns

  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 2 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., 675 Mass Ave, Cambridge, MA 02111, USA.
*/

#include "CStackDocument.h"
#include "EditorWindowController.h"
#include "ChoiceQuizController.h"
#include "SpellingQuizController.h"
#include "CardQuizController.h"
#include "Constants.h"

@implementation CStackDocument 

- (void) dealloc
{
  RELEASE(cardStack);
	
  [super dealloc];
}

- (id) init
{ 
  if( (self = [super init]) )
    {
      cardStack = [[StackModel alloc] init];     
      return self;
    }
  return nil;
}

- (void) insertImportedCards: (NSArray *)cards
{
  EditorWindowController *ec = [[self windowControllers] objectAtIndex: 0];
  [[ec cardStack] insertData: cards atRow: 0 inTableView: [ec cardsView]];
}

- (void) exportFile: (id)sender
{
  NSArray *cards = [[[[self windowControllers] objectAtIndex: 0] cardStack] cards];
  NSString *path = [[self fileName] stringByDeletingLastPathComponent];
  NSString *name = [[[self fileName] lastPathComponent] stringByDeletingPathExtension];
  NSMutableString *stringData = [[NSMutableString alloc] init];
  NSSavePanel *sPanel = [NSSavePanel savePanel];
  int i;
  
  [sPanel setAccessoryView: nil];
  [sPanel setRequiredFileType: @"txt"];
  [sPanel setTitle: _(@"Export")];
  [sPanel setPrompt: _(@"Export")];
  if( [sPanel runModalForDirectory: path file: name] )
    {
      for( i=0; i < [cards count]; i++)
        {
          [stringData appendString: [NSString stringWithFormat: @"\n%@\n%@\n", 
            [[cards objectAtIndex: i] front], [[cards objectAtIndex: i] back]]];
        } 
      if( stringData != nil )
        [stringData writeToFile: [sPanel filename] atomically: YES];
      else
        NSRunInformationalAlertPanel(_(@"Export Error"), [NSString stringWithFormat:
          _(@"An error occured while trying to export %@"), name], nil,nil,@"OK");
    }
}

- (void) startDefaultQuizWithMethod: (int)method
{
  NSUserDefaults *def = [NSUserDefaults standardUserDefaults];
  NSString *quiz; 
  
  if( method == SHOWONCE_QUIZ_METHOD )
    quiz = [def objectForKey: @"DefaultQuiz"];
  else
    quiz = [def objectForKey: @"DefaultPractice"];
   
  if( [quiz isEqual: @"MULTIPLE_CHOICE_QUIZ"] )
    [self startChoiceQuizWithMethod: method];
  else if( [quiz isEqual: @"SPELLING_QUIZ"] )
    [self startSpellingQuizWithMethod: method];
  else
    [self startCardQuizWithMethod: method];
}

- (void) startChoiceQuizWithMethod: (int)method
{
  ChoiceQuizController *quiz;
  NSRect editorF;
  NSPoint center;
  NSPoint quizO;
  
  editorF = [[[[self windowControllers] objectAtIndex: 0] window] frame];
  center = NSMakePoint(editorF.origin.x + editorF.size.width/2,
    editorF.origin.y + editorF.size.height/2);
  quizO = NSMakePoint(center.x-210, center.y-132); // Numbers must be in sync with the gorm file
	
  [[[[self windowControllers] objectAtIndex: 0] window] orderOut: self];
  quiz = [[ChoiceQuizController alloc] initWithStack: cardStack];
  [quiz setQuizMethod: method];  
  [[quiz window] setFrameOrigin: quizO];
  [[quiz window] makeKeyAndOrderFront: self];
  [self addWindowController: quiz];
  [quiz beginQuiz: self]; 
}

- (void) startCardQuizWithMethod: (int)method
{
  CardQuizController *quiz;
  NSRect editorF;
  NSPoint center;
  NSPoint quizO;
  
  editorF = [[[[self windowControllers] objectAtIndex: 0] window] frame];
  center = NSMakePoint(editorF.origin.x + editorF.size.width/2,
    editorF.origin.y + editorF.size.height/2);
  quizO = NSMakePoint(center.x-210, center.y-120); // Numbers must be in sync with the gorm file
  
  [[[[self windowControllers] objectAtIndex: 0] window] orderOut: self];
  quiz = [[CardQuizController alloc] initWithStack: cardStack];
  [quiz setQuizMethod: method];
  [[quiz window] setFrameOrigin: quizO];  
  [[quiz window] makeKeyAndOrderFront: self];
  [self addWindowController: quiz];
  [quiz beginQuiz: self]; 
}

- (void) startSpellingQuizWithMethod: (int)method
{
  SpellingQuizController *quiz;
  NSRect editorF;
  NSPoint center;
  NSPoint quizO;
  
  editorF = [[[[self windowControllers] objectAtIndex: 0] window] frame];
  center = NSMakePoint(editorF.origin.x + editorF.size.width/2,
    editorF.origin.y + editorF.size.height/2);
  quizO = NSMakePoint(center.x-210, center.y-125); // Numbers must be in sync with the gorm file
  
  [[[[self windowControllers] objectAtIndex: 0] window] orderOut: self];
  quiz = [[SpellingQuizController alloc] initWithStack: cardStack];
  [quiz setQuizMethod: method];
  [[quiz window] setFrameOrigin: quizO];
  [[quiz window] makeKeyAndOrderFront: self];
  [self addWindowController: quiz];
  [quiz beginQuiz: self]; 
}

- (void) editStack
{
  if( [[self windowControllers] count] > 1 )
    {
      [self removeWindowController: [[self windowControllers] objectAtIndex: 1]];
    }
  [[[[self windowControllers] objectAtIndex: 0] window] makeKeyAndOrderFront: self];
  [[[self windowControllers] objectAtIndex: 0] reloadScheduleView: self];
}

// NSDocument Override methods
// ***************************


- (BOOL) loadDataRepresentation: (NSData *)docData ofType: (NSString *)docType
{
  NSString *tmp = AUTORELEASE([[NSString alloc] initWithData: docData encoding: NSASCIIStringEncoding]);
    
  if( [docType isEqualToString: @"card stack"] && tmp != nil )
    {
      if( [tmp rangeOfString: @"<?xml"].length > 0 )
        {
          tmp = AUTORELEASE([[NSString alloc] initWithData: docData encoding: NSUTF8StringEncoding]);
        }

      RELEASE(cardStack);
      cardStack = [(StackModel *)[StackModel alloc] initWithDictionary: [tmp propertyList]];
     
      return YES;
    }
  return NO; 
}

- (NSData *) dataRepresentationOfType: (NSString *)aType
{
  if ( [aType isEqualToString: @"card stack"] )
    {
      return [[[cardStack stackFileRep] description] dataUsingEncoding: NSASCIIStringEncoding];
    }
  return nil;
}

- (void) makeWindowControllers
{
  EditorWindowController *editor;

  editor = AUTORELEASE([[EditorWindowController alloc] initWithStack: cardStack]);	
  	
  [self addWindowController: editor];
}

@end