//
//  AppDelegate.m
//  Password Generator
//
//  Created by User on 9/16/26.
//  Copyright (c) 2026 User. All rights reserved.
//

#import "AppDelegate.h"

@implementation AppDelegate

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

- (void)applicationDidFinishLaunching:(NSNotification *)aNotification
{
    [self.regenerateButton sendAction:self.regenerateButton.action to:self.regenerateButton.target];
}

- (IBAction)lengthSliderChanged:(id)sender {
    [self.lengthText setStringValue:[NSString stringWithFormat:@"Password Length: %ld", (long)[sender integerValue]]];
    [self.regenerateButton sendAction:self.regenerateButton.action to:self.regenerateButton.target];
}

// preset buttons

- (IBAction)preset8ButtonClicked:(id)sender
{
    self.lengthSlider.integerValue = 8;
    [self.lengthSlider sendAction:self.lengthSlider.action to:self.lengthSlider.target];
}

- (IBAction)preset16ButtonClicked:(id)sender
{
    self.lengthSlider.integerValue = 16;
    [self.lengthSlider sendAction:self.lengthSlider.action to:self.lengthSlider.target];
}

- (IBAction)preset32ButtonClicked:(id)sender
{
    self.lengthSlider.integerValue = 32;
    [self.lengthSlider sendAction:self.lengthSlider.action to:self.lengthSlider.target];
}

- (IBAction)preset64ButtonClicked:(id)sender
{
    self.lengthSlider.integerValue = 64;
    [self.lengthSlider sendAction:self.lengthSlider.action to:self.lengthSlider.target];
}

- (IBAction)preset128ButtonClicked:(id)sender
{
    self.lengthSlider.integerValue = 128;
    [self.lengthSlider sendAction:self.lengthSlider.action to:self.lengthSlider.target];
}

// end

- (IBAction)checkBoxChange:(id)sender
{
    [self.regenerateButton sendAction:self.regenerateButton.action to:self.regenerateButton.target];
}

- (IBAction)regenerateButtonClicked:(id)sender {
    NSMutableString *chars = [NSMutableString string];
    if ([self.uppercaseCheck state] == NSOnState) [chars appendString:@"ABCDEFGHIJKLMNOPQRSTUVWXYZ"];
    if ([self.lowercaseCheck state] == NSOnState) [chars appendString:@"abcdefghijklmnopqrstuvwxyz"];
    if ([self.numbersCheck state] == NSOnState) [chars appendString:@"0123456789"];
    if ([self.symbolsCheck state] == NSOnState) [chars appendString:@"!@#$%^&*"];
    
    if (chars.length == 0) {
        [self.outputBox setStringValue:@""];
        return;
    }
    
    NSMutableString *password = [NSMutableString stringWithCapacity:self.lengthSlider.integerValue];
    for (NSUInteger i = 0; i < self.lengthSlider.integerValue; i++) {
        uint32_t randomIndex = arc4random_uniform((uint32_t)chars.length);
        unichar c = [chars characterAtIndex:randomIndex];
        [password appendFormat:@"%C", c];
    }
         
    [self.outputBox setStringValue:[password copy]];
}

@end