//
//  MPPasswordInputController.m
//  MacPass
//
//  Created by Michael Starke on 17.02.13.
//  Copyright (c) 2013 HicknHack Software GmbH. All rights reserved.
//

#import "MPPasswordInputController.h"
#import "MPDocumentWindowController.h"
#import "MPDocument.h"
#import "MPKeyfilePathControlDelegate.h"

#import "HNHRoundedSecureTextField.h"

@interface MPPasswordInputController ()

@property (weak) IBOutlet HNHRoundedSecureTextField *passwordTextField;
@property (weak) IBOutlet NSPathControl *keyPathControl;
@property (strong) MPKeyfilePathControlDelegate *pathControlDelegate;
@property (weak) IBOutlet NSImageView *errorImageView;
@property (weak) IBOutlet NSTextField *errorInfoTextField;
@property (weak) IBOutlet NSButton *togglePasswordButton;
@property (assign) BOOL showPassword;

- (IBAction)_decrypt:(id)sender;
- (IBAction)_clearKey:(id)sender;

@end

@implementation MPPasswordInputController

- (id)init {
  return [[MPPasswordInputController alloc] initWithNibName:@"PasswordInputView" bundle:nil];
}


- (void)didLoadView {
  [self.keyPathControl setDelegate:self.pathControlDelegate];
  [self.errorImageView setImage:[NSImage imageNamed:NSImageNameCaution]];
  [self.passwordTextField bind:@"showPassword" toObject:self withKeyPath:@"showPassword" options:nil];
  [self.togglePasswordButton bind:NSValueBinding toObject:self withKeyPath:@"showPassword" options:nil];
  [self _reset];
}

- (NSResponder *)reconmendedFirstResponder {
  return self.passwordTextField;
}

- (void)requestPassword {
  // show Warnign if read-only mode!
  [self _reset];
}
#pragma mark NSTextViewDelegate

#pragma mark -
#pragma mark Private
- (IBAction)_decrypt:(id)sender {
  id windowController = [[[self view] window] windowController];
  MPDocument *document = [windowController document];
  if(document) {
    BOOL isOk = NO;
    if(document.decrypted) {
      // TODO: Fix unlocking to actually test
      BOOL noPassword = !document.password && [[self.passwordTextField stringValue] length] == 0;
      BOOL passwordOk = [document.password isEqualToString:[self.passwordTextField stringValue]];
      BOOL noKey = document.key == [self.keyPathControl URL];
      BOOL keyOk = [document.key isEqualTo:[self.keyPathControl URL]];
      isOk = (noPassword || passwordOk) && (noKey || keyOk);
    }
    else {
      isOk = [document unlockWithPassword:[self.passwordTextField stringValue] keyFileURL:[self.keyPathControl URL]];
    }
    if(!isOk) {
      [self _showError];
    }
    else {
      [windowController showEntries];
    }
  }
}

- (IBAction)_clearKey:(id)sender {
  [self.keyPathControl setURL:nil];
}

- (void)_reset {
  self.showPassword = NO;
  [self.passwordTextField setStringValue:@""];
  [self.keyPathControl setURL:nil];
  [self.errorInfoTextField setHidden:YES];
  [self.errorImageView setHidden:YES];
  
}

- (void)_showError {
  [self.errorImageView setHidden:NO];
  [self.errorInfoTextField setHidden:NO];
}
@end