/* Utils.m
 *
 * Copyright (C) 2012  Belledonne Comunications, Grenoble, France
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */


#import "Utils.h"
#include "linphone/linphonecore.h"

@implementation LinphoneLogger


+ (void)logv:(LinphoneLoggerSeverity)severity file:(const char*)file line:(int)line format:(NSString*)format args:(va_list)args{
    NSString *str = [[NSString alloc] initWithFormat:format arguments:args];
	OrtpLogLevel ortp_severity;
	int filesize = 20;
	if (severity <= LinphoneLoggerDebug) {
		ortp_severity = ORTP_DEBUG;
	} else if(severity <= LinphoneLoggerLog) {
		ortp_severity = ORTP_MESSAGE;
	} else if(severity <= LinphoneLoggerWarning) {
		ortp_severity = ORTP_WARNING;
	} else if(severity <= LinphoneLoggerError) {
		ortp_severity = ORTP_ERROR;
	} else {
		ortp_severity = ORTP_FATAL;
	}
    ortp_log(ortp_severity, "%*s:%3d - %s", filesize, file+MAX((int)strlen(file)-filesize,0), line, [str UTF8String]);
    [str release];
}

+ (void)log:(LinphoneLoggerSeverity) severity file:(const char*)file line:(int)line format:(NSString *)format,... {
    va_list args;
	va_start (args, format);
	[LinphoneLogger logv:severity file:file line:line format:format args:args];
    va_end (args);
}

@end

@implementation LinphoneUtils

+ (BOOL)findAndResignFirstResponder:(UIView*)view {
    if (view.isFirstResponder) {
        [view resignFirstResponder];
        return YES;
    }
    for (UIView *subView in view.subviews) {
        if ([LinphoneUtils findAndResignFirstResponder:subView])
            return YES;
    }
    return NO;
}

+ (void)adjustFontSize:(UIView*)view mult:(float)mult{
    if([view isKindOfClass:[UILabel class]]) {
        UILabel *label = (UILabel*)view;
        UIFont *font = [label font];
        [label setFont:[UIFont fontWithName:font.fontName size:font.pointSize * mult]];
    } else if([view isKindOfClass:[UITextField class]]) {
        UITextField *label = (UITextField*)view;
        UIFont *font = [label font];
        [label setFont:[UIFont fontWithName:font.fontName size:font.pointSize * mult]];
    } else if([view isKindOfClass:[UIButton class]]) {
        UIButton* button = (UIButton*)view;
        UIFont* font = button.titleLabel.font;
        [button.titleLabel setFont:[UIFont fontWithName:font.fontName size:font.pointSize*mult]];
    } else {
        for(UIView *subView in [view subviews]) {
            [LinphoneUtils adjustFontSize:subView mult:mult];
        }
    }
}

+ (void)buttonFixStates:(UIButton*)button {
    // Set selected+over title: IB lack !
    [button setTitle:[button titleForState:UIControlStateSelected]
                 forState:(UIControlStateHighlighted | UIControlStateSelected)];

    // Set selected+over titleColor: IB lack !
    [button setTitleColor:[button titleColorForState:UIControlStateHighlighted]
                      forState:(UIControlStateHighlighted | UIControlStateSelected)];

    // Set selected+disabled title: IB lack !
    [button setTitle:[button titleForState:UIControlStateSelected]
                 forState:(UIControlStateDisabled | UIControlStateSelected)];

    // Set selected+disabled titleColor: IB lack !
    [button setTitleColor:[button titleColorForState:UIControlStateDisabled]
                      forState:(UIControlStateDisabled | UIControlStateSelected)];
}

+ (void)buttonFixStatesForTabs:(UIButton*)button {
    // Set selected+over title: IB lack !
    [button setTitle:[button titleForState:UIControlStateSelected]
            forState:(UIControlStateHighlighted | UIControlStateSelected)];

    // Set selected+over titleColor: IB lack !
    [button setTitleColor:[button titleColorForState:UIControlStateSelected]
                 forState:(UIControlStateHighlighted | UIControlStateSelected)];

    // Set selected+disabled title: IB lack !
    [button setTitle:[button titleForState:UIControlStateSelected]
            forState:(UIControlStateDisabled | UIControlStateSelected)];

    // Set selected+disabled titleColor: IB lack !
    [button setTitleColor:[button titleColorForState:UIControlStateDisabled]
                 forState:(UIControlStateDisabled | UIControlStateSelected)];
}

+ (void)buttonMultiViewAddAttributes:(NSMutableDictionary*)attributes button:(UIButton*)button {
    [LinphoneUtils addDictEntry:attributes item:[button titleForState:UIControlStateNormal] key:@"title-normal"];
    [LinphoneUtils addDictEntry:attributes item:[button titleForState:UIControlStateHighlighted] key:@"title-highlighted"];
    [LinphoneUtils addDictEntry:attributes item:[button titleForState:UIControlStateDisabled] key:@"title-disabled"];
    [LinphoneUtils addDictEntry:attributes item:[button titleForState:UIControlStateSelected] key:@"title-selected"];
    [LinphoneUtils addDictEntry:attributes item:[button titleForState:UIControlStateDisabled | UIControlStateHighlighted] key:@"title-disabled-highlighted"];
    [LinphoneUtils addDictEntry:attributes item:[button titleForState:UIControlStateSelected | UIControlStateHighlighted] key:@"title-selected-highlighted"];
    [LinphoneUtils addDictEntry:attributes item:[button titleForState:UIControlStateSelected | UIControlStateDisabled] key:@"title-selected-disabled"];

    [LinphoneUtils addDictEntry:attributes item:[button titleColorForState:UIControlStateNormal] key:@"title-color-normal"];
    [LinphoneUtils addDictEntry:attributes item:[button titleColorForState:UIControlStateHighlighted] key:@"title-color-highlighted"];
    [LinphoneUtils addDictEntry:attributes item:[button titleColorForState:UIControlStateDisabled] key:@"title-color-disabled"];
    [LinphoneUtils addDictEntry:attributes item:[button titleColorForState:UIControlStateSelected] key:@"title-color-selected"];
    [LinphoneUtils addDictEntry:attributes item:[button titleColorForState:UIControlStateDisabled | UIControlStateHighlighted] key:@"title-color-disabled-highlighted"];
    [LinphoneUtils addDictEntry:attributes item:[button titleColorForState:UIControlStateSelected | UIControlStateHighlighted] key:@"title-color-selected-highlighted"];
    [LinphoneUtils addDictEntry:attributes item:[button titleColorForState:UIControlStateSelected | UIControlStateDisabled] key:@"title-color-selected-disabled"];

	[LinphoneUtils addDictEntry:attributes item:NSStringFromUIEdgeInsets([button titleEdgeInsets]) key:@"title-edge"];
	[LinphoneUtils addDictEntry:attributes item:NSStringFromUIEdgeInsets([button contentEdgeInsets]) key:@"content-edge"];
	[LinphoneUtils addDictEntry:attributes item:NSStringFromUIEdgeInsets([button imageEdgeInsets]) key:@"image-edge"];

    [LinphoneUtils addDictEntry:attributes item:[button imageForState:UIControlStateNormal] key:@"image-normal"];
    [LinphoneUtils addDictEntry:attributes item:[button imageForState:UIControlStateHighlighted] key:@"image-highlighted"];
    [LinphoneUtils addDictEntry:attributes item:[button imageForState:UIControlStateDisabled] key:@"image-disabled"];
    [LinphoneUtils addDictEntry:attributes item:[button imageForState:UIControlStateSelected] key:@"image-selected"];
    [LinphoneUtils addDictEntry:attributes item:[button imageForState:UIControlStateDisabled | UIControlStateHighlighted] key:@"image-disabled-highlighted"];
    [LinphoneUtils addDictEntry:attributes item:[button imageForState:UIControlStateSelected | UIControlStateHighlighted] key:@"image-selected-highlighted"];
    [LinphoneUtils addDictEntry:attributes item:[button imageForState:UIControlStateSelected | UIControlStateDisabled] key:@"image-selected-disabled"];

    [LinphoneUtils addDictEntry:attributes item:[button backgroundImageForState:UIControlStateNormal] key:@"background-normal"];
    [LinphoneUtils addDictEntry:attributes item:[button backgroundImageForState:UIControlStateHighlighted] key:@"background-highlighted"];
    [LinphoneUtils addDictEntry:attributes item:[button backgroundImageForState:UIControlStateDisabled] key:@"background-disabled"];
    [LinphoneUtils addDictEntry:attributes item:[button backgroundImageForState:UIControlStateSelected] key:@"background-selected"];
    [LinphoneUtils addDictEntry:attributes item:[button backgroundImageForState:UIControlStateDisabled | UIControlStateHighlighted] key:@"background-disabled-highlighted"];
    [LinphoneUtils addDictEntry:attributes item:[button backgroundImageForState:UIControlStateSelected | UIControlStateHighlighted] key:@"background-selected-highlighted"];
    [LinphoneUtils addDictEntry:attributes item:[button backgroundImageForState:UIControlStateSelected | UIControlStateDisabled] key:@"background-selected-disabled"];
}

+ (void)buttonMultiViewApplyAttributes:(NSDictionary*)attributes button:(UIButton*)button {
    [button setTitle:[LinphoneUtils getDictEntry:attributes key:@"title-normal"] forState:UIControlStateNormal];
    [button setTitle:[LinphoneUtils getDictEntry:attributes key:@"title-highlighted"] forState:UIControlStateHighlighted];
    [button setTitle:[LinphoneUtils getDictEntry:attributes key:@"title-disabled"] forState:UIControlStateDisabled];
    [button setTitle:[LinphoneUtils getDictEntry:attributes key:@"title-selected"] forState:UIControlStateSelected];
    [button setTitle:[LinphoneUtils getDictEntry:attributes key:@"title-disabled-highlighted"] forState:UIControlStateDisabled | UIControlStateHighlighted];
    [button setTitle:[LinphoneUtils getDictEntry:attributes key:@"title-selected-highlighted"] forState:UIControlStateSelected | UIControlStateHighlighted];
    [button setTitle:[LinphoneUtils getDictEntry:attributes key:@"title-selected-disabled"] forState:UIControlStateSelected | UIControlStateDisabled];

    [button setTitleColor:[LinphoneUtils getDictEntry:attributes key:@"title-color-normal"] forState:UIControlStateNormal];
    [button setTitleColor:[LinphoneUtils getDictEntry:attributes key:@"title-color-highlighted"] forState:UIControlStateHighlighted];
    [button setTitleColor:[LinphoneUtils getDictEntry:attributes key:@"title-color-disabled"] forState:UIControlStateDisabled];
    [button setTitleColor:[LinphoneUtils getDictEntry:attributes key:@"title-color-selected"] forState:UIControlStateSelected];
    [button setTitleColor:[LinphoneUtils getDictEntry:attributes key:@"title-color-disabled-highlighted"] forState:UIControlStateDisabled | UIControlStateHighlighted];
    [button setTitleColor:[LinphoneUtils getDictEntry:attributes key:@"title-color-selected-highlighted"] forState:UIControlStateSelected | UIControlStateHighlighted];
    [button setTitleColor:[LinphoneUtils getDictEntry:attributes key:@"title-color-selected-disabled"] forState:UIControlStateSelected | UIControlStateDisabled];

	[button setTitleEdgeInsets:UIEdgeInsetsFromString([LinphoneUtils getDictEntry:attributes key:@"title-edge"])];
	[button setContentEdgeInsets:UIEdgeInsetsFromString([LinphoneUtils getDictEntry:attributes key:@"content-edge"])];
	[button setImageEdgeInsets:UIEdgeInsetsFromString([LinphoneUtils getDictEntry:attributes key:@"image-edge"])];

    [button setImage:[LinphoneUtils getDictEntry:attributes key:@"image-normal"] forState:UIControlStateNormal];
    [button setImage:[LinphoneUtils getDictEntry:attributes key:@"image-highlighted"] forState:UIControlStateHighlighted];
    [button setImage:[LinphoneUtils getDictEntry:attributes key:@"image-disabled"] forState:UIControlStateDisabled];
    [button setImage:[LinphoneUtils getDictEntry:attributes key:@"image-selected"] forState:UIControlStateSelected];
    [button setImage:[LinphoneUtils getDictEntry:attributes key:@"image-disabled-highlighted"] forState:UIControlStateDisabled | UIControlStateHighlighted];
    [button setImage:[LinphoneUtils getDictEntry:attributes key:@"image-selected-highlighted"] forState:UIControlStateSelected | UIControlStateHighlighted];
    [button setImage:[LinphoneUtils getDictEntry:attributes key:@"image-selected-disabled"] forState:UIControlStateSelected | UIControlStateDisabled];

    [button setBackgroundImage:[LinphoneUtils getDictEntry:attributes key:@"background-normal"] forState:UIControlStateNormal];
    [button setBackgroundImage:[LinphoneUtils getDictEntry:attributes key:@"background-highlighted"] forState:UIControlStateHighlighted];
    [button setBackgroundImage:[LinphoneUtils getDictEntry:attributes key:@"background-disabled"] forState:UIControlStateDisabled];
    [button setBackgroundImage:[LinphoneUtils getDictEntry:attributes key:@"background-selected"] forState:UIControlStateSelected];
    [button setBackgroundImage:[LinphoneUtils getDictEntry:attributes key:@"background-disabled-highlighted"] forState:UIControlStateDisabled | UIControlStateHighlighted];
    [button setBackgroundImage:[LinphoneUtils getDictEntry:attributes key:@"background-selected-highlighted"] forState:UIControlStateSelected | UIControlStateHighlighted];
    [button setBackgroundImage:[LinphoneUtils getDictEntry:attributes key:@"background-selected-disabled"] forState:UIControlStateSelected | UIControlStateDisabled];
}


+ (void)addDictEntry:(NSMutableDictionary*)dict item:(id)item key:(id)key {
    if(item != nil && key != nil) {
        [dict setObject:item forKey:key];
    }
}

+ (id)getDictEntry:(NSDictionary*)dict key:(id)key {
    if(key != nil) {
        return [dict objectForKey:key];
    }
    return nil;
}

@end

@implementation NSNumber (HumanReadableSize)

- (NSString*)toHumanReadableSize {
    float floatSize = [self floatValue];
	if (floatSize < 1023)
		return([NSString stringWithFormat:@"%1.0f bytes",floatSize]);
	floatSize = floatSize / 1024;
	if (floatSize < 1023)
		return([NSString stringWithFormat:@"%1.1f KB",floatSize]);
	floatSize = floatSize / 1024;
	if (floatSize < 1023)
		return([NSString stringWithFormat:@"%1.1f MB",floatSize]);
	floatSize = floatSize / 1024;

	return([NSString stringWithFormat:@"%1.1f GB",floatSize]);
}

@end

@implementation NSString(md5)

#import <CommonCrypto/CommonDigest.h>

- (NSString *)md5 {
	const char *ptr = [self UTF8String];
	unsigned char md5Buffer[CC_MD5_DIGEST_LENGTH];
	CC_MD5(ptr, (unsigned int)strlen(ptr), md5Buffer);
	NSMutableString *output = [NSMutableString stringWithCapacity:CC_MD5_DIGEST_LENGTH * 2];
	for(int i = 0; i < CC_MD5_DIGEST_LENGTH; i++) {
		[output appendFormat:@"%02x",md5Buffer[i]];
	}

	return output;
}

@end