//
//  MPDocumentQueryService.m
//  MacPass
//
//  Created by Michael Starke on 17.06.13.
//  Copyright (c) 2013 HicknHack Software GmbH. All rights reserved.
//

#import "MPDocumentQueryService.h"
#import "MPDocumentWindowController.h"
#import "MPDocument.h"
#import "KPKEntry.h"

#import "NSUUID+KeePassKit.h"

static NSUUID *_rootUuid = nil;

@interface MPDocumentQueryService ()

@property (weak) MPDocument *queryDocument;
@property (nonatomic, weak) KPKEntry *configurationEntry;

@end

@implementation MPDocumentQueryService

+ (MPDocumentQueryService *)sharedService {
  static id instance;
  static dispatch_once_t onceToken;
  dispatch_once(&onceToken, ^{
    instance = [[MPDocumentQueryService alloc] init];
  });
  return instance;
}

- (id)init {
  self = [super init];
  if (self) {
    static const uuid_t uuidBytes = {
      0x34, 0x69, 0x7a, 0x40, 0x8a, 0x5b, 0x41, 0xc0,
      0x9f, 0x36, 0x89, 0x7d, 0x62, 0x3e, 0xcb, 0x31
    };
    _rootUuid = [[NSUUID alloc] initWithUUIDBytes:uuidBytes];
  }
  return self;
}

- (KPKEntry *)configurationEntry {
  /* TODO: lazy getter or do something different like init at first call? */
  if(nil != _configurationEntry) {
    return  _configurationEntry;
  }
  /* no config entry there, start looking for it */
  NSArray *documents = [[NSDocumentController sharedDocumentController] documents];
  for(MPDocument *document in documents) {
    if(document.encrypted) {
      NSLog(@"Skipping locked Database: %@", [document displayName]);
      /* TODO: Show input window and open db with window */
      continue;
    }
    KPKEntry *configEntry = [document findEntry:_rootUuid];
    if(nil != configEntry) {
      self.configurationEntry = configEntry;
      self.queryDocument = document;
      return _configurationEntry;
    }
  }
  return nil;
}

- (KPKEntry *)createConfigurationEntry {
  return nil;
}

@end