//
//  SharedDecleartions.m
//  FMC Planner 2
//
//  Created by Kilian Hofmann on 23.03.16.
//  Copyright © 2016 Kilian Hofmann. All rights reserved.
//

#import "SharedDeclerations.h"

@implementation SharedDeclerations

NSString *const FMCNEXTRTEPAGE = @"NEXTRTEPAGE";
NSString *const FMCFIRSTRTEPAGE = @"FIRSTRTEPAGE";
NSString *const DropboxErrorDomain = @"com.weebly.alikja.FMC";
NSString *const DropboxErrorUserInfo = @"error_summary";

#pragma mark - Adaptive font size method

+ (UIFont *)findAdaptiveFontForUILabelSize:(CGSize)labelSize
                           withMinimumSize:(NSInteger)minSize
                                   withMod:(float)mod
{
    UIFont *tempFont = nil;
    NSString *testString =
        @"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";

    NSInteger tempMin = minSize / mod;
    NSInteger tempMax = 256;
    NSInteger mid = 0;
    NSInteger difference = 0;

    while (tempMin <= tempMax) {
        mid = tempMin + (tempMax - tempMin) / 2;
        tempFont = [UIFont systemFontOfSize:mid];
        difference = labelSize.height / mod - [testString sizeWithAttributes:@{
                                                  NSFontAttributeName : tempFont
                                              }].height;

        if (mid == tempMin || mid == tempMax) {
            if (difference < 0) {
                return [UIFont systemFontOfSize:(mid - 1)];
            }

            return [UIFont systemFontOfSize:mid];
        }

        if (difference < 0) {
            tempMax = mid - 1;
        }
        else if (difference > 0) {
            tempMin = mid + 1;
        }
        else {
            return [UIFont systemFontOfSize:mid];
        }
    }

    return [UIFont systemFontOfSize:mid];
}

#pragma mark - Savepath method

+ (NSString *)savePathForFile:(NSString *)file
{
    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,
                                                         NSUserDomainMask, YES);
    NSString *documentsPath = paths[0];
    return [documentsPath
        stringByAppendingString:[NSString stringWithFormat:@"/%@", file]];
}

#pragma mark - Alert for handling displaying Eroor Messages.

+ (void)presentErrorAlert:(NSError *)error
                presenter:(UIViewController *)presenter
{
    if ([UIAlertController class]) {
        UIAlertController *alert = [UIAlertController
            alertControllerWithTitle:@"Error"
                             message:error.localizedDescription
                      preferredStyle:UIAlertControllerStyleActionSheet];
        UIAlertAction *defaultAction =
            [UIAlertAction actionWithTitle:@"OK"
                                     style:UIAlertActionStyleCancel
                                   handler:nil];
        [alert addAction:defaultAction];

        [presenter presentViewController:alert animated:YES completion:nil];
    }
    else {
        UIAlertView *alert =
            [[UIAlertView alloc] initWithTitle:@"Error"
                                       message:error.localizedDescription
                                      delegate:nil
                             cancelButtonTitle:@"Cancel"
                             otherButtonTitles:nil];
        [alert show];
    }
}

@end