extensions

//
//  Extensions.swift
//  Apostle Partnerapp
//
//  Created by Bas on 15/01/2015.
//  Copyright (c) 2015 Bas. All rights reserved.
//

import UIKit

/// String extensions.
extension String
{
    /**
        Checks if a given email is valid.
    */
    func isEmail() -> Bool
    {
        let regex = NSRegularExpression(pattern: "^[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,4}$", options: .CaseInsensitive, error: nil)
        
        return regex?.firstMatchInString(self, options: nil, range: NSMakeRange(0, countElements(self))) != nil
    }
	
	/**
		Checks if a Twitter post doesn't exceed the platform's char limit.
	
		:returns: If the message is a valid Twitter post.
	*/
	func isValidTwitterPost() -> Bool
	{
		return countElements(self) <= 140
	}
	
	/**
		Gets the amount of Twitter chars left.
	
		:returns: The amount of Twitter chars left.
	*/
	func twitterCharsLeft() -> Int
	{
		return 140 - countElements(self)
	}
}

/// NSDate extensions
extension NSDate: Equatable, Comparable
{
	/**
		Checks if the date is today.
	
		:returns: If NSDate is today or not.
	*/
	func isToday() -> Bool
	{
		return NSCalendar.currentCalendar().isDateInToday(self)
	}
	
	func inPast() -> Bool
	{
		return self < NSDate()
	}
	
	func format(dateStyle style: DateType) -> String
	{
		switch(style)
		{
			case .Today:
				return NSDateFormatter.localizedStringFromDate(self, dateStyle: .NoStyle, timeStyle: .ShortStyle)
			default:
				return NSDateFormatter.localizedStringFromDate(self, dateStyle: .MediumStyle, timeStyle: .ShortStyle)
		}
	}
}

public func ==(lhs: NSDate, rhs: NSDate) -> Bool
{
	return lhs.timeIntervalSince1970 == rhs.timeIntervalSince1970
}

public func <(lhs: NSDate, rhs: NSDate) -> Bool
{
	return lhs.timeIntervalSince1970 < rhs.timeIntervalSince1970
}

/// UIColor extensions
extension UIColor
{
	/**
		Returns a color object whose RGB values are 0.0, 0.737, and 0.871 and whose alpha value is 1.0.
	
		:returns: The UIColor object.
	*/
	class func apostleColor() -> UIColor
	{
		return UIColor(red: 0, green: 0.737, blue: 0.871, alpha: 1)
	}
	
	/**
		Returns a color object whose RGB values are 0.012, 0.478, and 1.0 and whose alpha value is 1.0.

		:returns: The UIColor object.
	*/
	class func lightBlueColor() -> UIColor
	{
		return UIColor(red: 0.012, green: 0.478, blue: 1, alpha: 1)
	}
	
	/**
		Returns a color object whose RGB values are 0.349, 0.729, and 0.384 and whose alpha value is 1.0.
	
		:returns: UIColor with darkGreenColor
	*/
	class func darkGreenColor() -> UIColor
	{
		return UIColor(red: 0.349, green: 0.729, blue: 0.384, alpha: 1.0)
	}
}

/// UIDevice extensions
let deviceList = [
	"i386":			"Simulator",
	"x86_64":		"Simulator",
	"iPod1,1":		"iPod Touch",
	"iPod2,1":		"iPod Touch 2",
	"iPod3,1":		"iPod Touch 3",
	"iPod4,1":		"iPod Touch 4",
	"iPhone1,1":	"iPhone",
	"iPhone1,2":	"iPhone 3G",
	"iPhone2,1":	"iPhone 3GS",
	"iPad1,1":		"iPad",
	"iPad2,1":		"iPad 2",
	"iPad3,1":		"The new iPad",				// iPad 3
	"iPhone3,1":	"iPhone 4",
	"iPhone3,2":	"iPhone 4",
	"iPhone4,1":	"iPhone 4S",
	"iPhone5,1":	"iPhone 5",					// (model A1428, AT&T/Canada)
	"iPhone5,2":	"iPhone 5",					// (model A1429, everything else)
	"iPad3,4":		"iPad with Retina Display",	// iPad 4
	"iPad2,5":		"iPad mini",
	"iPhone5,3":	"iPhone 5c",				// (model A1456, A1532 | GSM)
	"iPhone5,4":	"iPhone 5c",				// (model A1507, A1516, A1526 (China), A1529 | Global)
	"iPhone6,1":	"iPhone 5s",				// (model A1433, A1533 | GSM)
	"iPhone6,2":	"iPhone 5s",				// (model A1457, A1518, A1528 (China), A1530 | Global)
	"iPad4,1":		"iPad Air (WiFi)",
	"iPad4,2":		"iPad Air (Cellular)",
	"iPad4,4":		"iPad mini 2 (WiFi)",
	"iPad4,5":		"iPad mini 2 (Cellular)",
	"iPhone7,1":	"iPhone 6 Plus",
	"iPhone7,2":	"iPhone 6",
	"iPad4,7":		"iPad mini 3 (WiFi)",
	"iPad4,8":		"iPad mini 3 (Cellular)",
	"iPad4,9":		"iPad mini 3 (China model)",
	"iPad5,3":		"iPad Air 2 (WiFi)",
	"ipad5,4":		"iPad Air 2 (Cellular)"
]

public extension UIDevice
{
	/// The current device used.
	var modelName: String
		{
		var systemInfo: utsname = utsname(sysname: (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
			nodename: (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
			release: (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
			version: (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
			machine: (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
		)
		uname(&systemInfo)
		
		let machine = systemInfo.machine
		var identifier = ""
		let mirror = reflect(machine)
		for i in 0 ..< reflect(machine).count
		{
			if mirror[i].1.value as Int8 == 0
			{
				break
			}
			
			identifier.append(UnicodeScalar(UInt8(mirror[i].1.value as Int8)))
		}
			
		if let readableIdentifier = deviceList[identifier]
		{
			return readableIdentifier
		}
			
		return identifier
	}
}