/*****************************************************************
 *   Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 ****************************************************************/

#import <HessianObjC/BBSHessianObjC.h>
#import "AppController.h"
#import <CocoaCayenne/CAYBootstrapMessage.h>
#import <CocoaCayenne/CAYNamedQuery.h>
#import <CocoaCayenne/CAYQueryMessage.h>
#import <CocoaCayenne/CAYObjectContext.h>
#import <CocoaCayenne/CAYHessianConnection.h>
#import <CocoaCayenne/CAYObjEntity.h>
#import <CocoaCayenne/CAYEntityResolver.h>
#import <CocoaCayenne/CAYCocoaCayenne.h>
#import <CocoaCayenne/CAYClientConnection.h>
#import <CocoaCayenne/CAYDataMap.h>
#import <CocoaCayenne/CAYDataMapIO.h>

@implementation AppController

- (IBAction)commit:(id)sender
{
    NSError *error = nil;
    BOOL ok = [[self objectContext] commitChanges:&error];
    if(!ok)
    {
        NSLog(@"Error in commitChanges: %@", [error localizedDescription]);
        [NSApp presentError:error];
    }
}

- (IBAction)query:(id)sender
{
    if([self objectContext] == nil)
    {
        NSLog(@" *** initing cayenne client *** ");
        
        // TODO: user interface for username/password
        // NSURL * url = [NSURL URLWithString:@"http://localhost:8080/cayenne-service"];
        NSURL * url = [NSURL URLWithString:@"http://cayenne-user:secret@localhost:8080/cayenne-service"];
        CAYClientConnection *conn = [[CAYHessianConnection alloc] initWithUrl:url];
        [conn connect];
        
        CAYObjectContext *ctxt = [[CAYObjectContext alloc] init];
        [ctxt setConnection:conn];
        [conn release];
        [self setObjectContext:ctxt];
        [ctxt release];
        
        // set the undo manager if you want undo support. see also windowWillReturnUndoManager that make
        // the undoManager accessible to the application
        NSUndoManager *um = [[NSUndoManager alloc] init];
        [ctxt setUndoManager:um];
        [um release];
        
        // set the object context of the custom array controller. needed to
        // be able to add artists
        [artistsController setObjectContext:[self objectContext]];
        [artistsController setDeleteObjectOnRemove:YES];
        
        [galleriesController setObjectContext:[self objectContext]];
        [galleriesController setDeleteObjectOnRemove:YES];
        
        // try without context. most stuff will still work as it is a
        // related entity.
        [paintingsController setDeleteObjectOnRemove:YES];
        
        // test creating core data model:
        // CAYEntityResolver *entityResolver = [[self objectContext] entityResolver];
        // CAYDataMap *dataMap = [[entityResolver maps] objectAtIndex:0];
        // NSManagedObjectModel *coreDataModel = [CAYDataMapIO dataMapAsManagedObjectModel:dataMap entityResolver:entityResolver];
        // NSLog(@"DEBUG: core data model: %@", coreDataModel);
    }

    NSError *error = nil;
    
    // prepare/refresh the galleries controller
    CAYNamedQuery *gquery = [[CAYNamedQuery alloc] init];
    [gquery setName:@"galleryQuery"];
    NSArray *grows = [[self objectContext] performQuery:gquery error:&error];
    [gquery release];
    if(!grows)
    {
        [NSApp presentError:error];
        return;
    }
    [galleriesController setContent:grows];
    
    // prepare/refresh the artist controller
	CAYNamedQuery *aquery = [[CAYNamedQuery alloc] init];
	[aquery setName:@"artistQuery"];
	NSArray *arows = [[self objectContext] performQuery:aquery error:&error];
	[aquery release];
    if(!arows)
    {
        [NSApp presentError:error];
        return;
    }
    [artistsController setContent:arows];
    
}

-(void)setObjectContext:(CAYObjectContext *)ctxt
{
    [ctxt retain];
    [objectContext release];
    objectContext = ctxt;
}

-(CAYObjectContext *)objectContext
{
    return objectContext;
}

// trick to use NSUndoManager in a non-document based application
// http://developer.apple.com/documentation/Cocoa/Conceptual/CoreData/Articles/cdFAQ.html#//apple_ref/doc/uid/TP40001802-244036
- (NSUndoManager *) windowWillReturnUndoManager:(NSWindow *)sender {
    return [[self objectContext] undoManager];
}

-(void)dealloc
{
	[self setObjectContext:nil];
	[super dealloc];
}

@end