//
//  main.m
//  chartest
//
//  Created by Kevin Bradley on 9/24/23.
//  Copyright © 2023 nito. All rights reserved.
//

#import <Foundation/Foundation.h>

/*
 + (NSString *)getNumberWithLimit:(NSInteger)limit {
     NSString *errorString = @"\nChoose a number, 0 to exit. [1]: ";
     char c;
     printf("%s", [errorString UTF8String] );
     c=getchar();
     while (c > limit) {
         printf("c = %c", c);
         c=getchar();
     }
     printf("c = %c", c);
     return @"";
 }
 */

@interface Dumb: NSObject
+ (NSInteger)getNumberFromPrompt:(NSString *)prompt;
@end

@implementation Dumb
+ (NSInteger)getNumberFromPrompt:(NSString *)prompt {
    char c;
    char buf[64];
    int i = 0;
    printf("%s", [prompt UTF8String]);
    c=getchar();
    while (c != '\n') {
        buf[i] = c;
        i++;
        c=getchar();
    }
    buf[i] = '\0';
    return atoi(buf);
}
@end

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        // insert code here...
        NSInteger limit = 20;
        NSInteger number = [Dumb getNumberFromPrompt:@"\nChoose a number, 0 to exit. [1]: "];
        NSLog(@"number: %lu", number);
        while (number > limit) {
            number = [Dumb getNumberFromPrompt:@"\nChoose a number, 0 to exit. [1]: "];
            NSLog(@"number: %lu", number);
        }
    }
    return 0;
}