Introduce enum for password generator flavour

passKit/Models/Password.swift

@@ -9,7 +9,6 @@
 import SwiftyUserDefaults
 import OneTimePassword
 import Base32
-import KeychainAccess
 
 public class Password {
     
@@ -276,31 +275,4 @@ public class Password {
         // get and return the password
         return self.otpToken?.currentPassword
     }
-    
-    public static func generatePassword(length: Int) -> String{
-        switch SharedDefaults[.passwordGeneratorFlavor] {
-        case "Random":
-            return randomString(length: length)
-        case "Apple":
-            return Keychain.generatePassword()
-        default:
-            return randomString(length: length)
-        }
-    }
-    
-    private static func randomString(length: Int) -> String {
-        
-        let letters : NSString = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*_+-="
-        let len = UInt32(letters.length)
-        
-        var randomString = ""
-        
-        for _ in 0 ..< length {
-            let rand = arc4random_uniform(len)
-            var nextChar = letters.character(at: Int(rand))
-            randomString += NSString(characters: &nextChar, length: 1) as String
-        }
-        
-        return randomString
-    }
 }