//
//  BWHockeyManager.h
//
//  Created by Andreas Linde on 8/17/10.
//  Copyright 2010-2011 Andreas Linde. All rights reserved.
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//  THE SOFTWARE.


#import <UIKit/UIKit.h>
#import "BWHockeyViewController.h"
#import "BWGlobal.h"

typedef enum {
	HockeyComparisonResultDifferent,
	HockeyComparisonResultGreater
} HockeyComparisonResult;

typedef enum {
	HockeyAuthorizationDenied,
	HockeyAuthorizationAllowed,
	HockeyAuthorizationPending
} HockeyAuthorizationState;

typedef enum {
  HockeyUpdateCheckStartup = 0,
  HockeyUpdateCheckDaily = 1,
  HockeyUpdateCheckManually = 2
} HockeyUpdateSetting;

@protocol BWHockeyManagerDelegate;

@class BWApp;

@interface BWHockeyManager : NSObject <UIAlertViewDelegate> {
  id <BWHockeyManagerDelegate> delegate_;
  NSArray *apps_;
  
  NSString *updateURL_;
  NSString *appIdentifier_;
  NSString *currentAppVersion_;
  
  UINavigationController *navController_;
  BWHockeyViewController *currentHockeyViewController_;
  UIView *authorizeView_;
  
  NSMutableData *receivedData_;
  
  BOOL loggingEnabled_;
  BOOL checkInProgress_;
  BOOL dataFound;
  BOOL updateAvailable_;
  BOOL showFeedback_; 
  BOOL updateURLOffline_;
  BOOL updateAlertShowing_;
  BOOL lastCheckFailed_;
  
  BOOL isAppStoreEnvironment_;
  
  NSURLConnection *urlConnection_;
  NSDate *lastCheck_;
  NSDate *usageStartTimestamp_;
  
  BOOL sendUserData_;
  BOOL sendUsageTime_;
  BOOL allowUserToDisableSendData_;
  BOOL userAllowsSendUserData_;
  BOOL userAllowsSendUsageTime_;
  BOOL showUpdateReminder_;
  BOOL checkForUpdateOnLaunch_;
  HockeyComparisonResult compareVersionType_;
  HockeyUpdateSetting updateSetting_;
  BOOL showUserSettings_;
  BOOL showDirectInstallOption_;
  
  BOOL requireAuthorization_;
  NSString *authenticationSecret_;
}

///////////////////////////////////////////////////////////////////////////////////////////////////

// this is a singleton
+ (BWHockeyManager *)sharedHockeyManager;

// update url needs to be set
@property (nonatomic, retain) NSString *updateURL;

// private app identifier (optional)
@property (nonatomic, retain) NSString *appIdentifier;

// delegate is optional
@property (nonatomic, assign) id <BWHockeyManagerDelegate> delegate;

// hockey secret is required if authentication is used
@property (nonatomic, retain) NSString *authenticationSecret;

// this URL can be used as an alternative to when the install button is pushed. this could be used to point at an app store link. 
@property (nonatomic, copy) NSString *alternativeInstallURL;


///////////////////////////////////////////////////////////////////////////////////////////////////
// settings

// if YES, states will be logged using NSLog. Only enable this for debugging!
// if NO, nothing will be logged. (default)
@property (nonatomic, assign, getter=isLoggingEnabled) BOOL loggingEnabled;

// if YES, the current user data is send: device type, iOS version, app version, UDID (default)
// if NO, no such data is send to the server
@property (nonatomic, assign, getter=shouldSendUserData) BOOL sendUserData;

// if YES, the the users usage time of the app to the service, only in 1 minute granularity! (default)
// if NO, no such data is send to the server
@property (nonatomic, assign, getter=shouldSendUsageTime) BOOL sendUsageTime;

// if YES, the user agrees to send the usage data, user can change it if the developer shows the settings (default)
// if NO, the user overwrites the developer setting and no such data is sent
@property (nonatomic, assign, getter=isAllowUserToDisableSendData) BOOL allowUserToDisableSendData;

// if YES, the user allowed to send user data (default)
// if NO, the user denied to send user data
@property (nonatomic, assign, getter=doesUserAllowsSendUserData) BOOL userAllowsSendUserData;

// if YES, the user allowed to send usage data (default)
// if NO, the user denied to send usage data
@property (nonatomic, assign, getter=doesUserAllowsSendUsageTime) BOOL userAllowsSendUsageTime;

// if YES, the new version alert will be displayed always if the current version is outdated (default)
// if NO, the alert will be displayed only once for each new update
@property (nonatomic, assign) BOOL alwaysShowUpdateReminder;

// if YES, the user can change the HockeyUpdateSetting value (default)
// if NO, the user can not change it, and the default or developer defined value will be used
@property (nonatomic, assign, getter=shouldShowUserSettings) BOOL showUserSettings;

// if YES, then an update check will be performed after the application becomes active (default)
// if NO, then the update check will not happen unless invoked explicitly
@property (nonatomic, assign, getter=isCheckForUpdateOnLaunch) BOOL checkForUpdateOnLaunch;

// if YES, the alert notifying about an new update also shows a button to install the update directly
// if NO, the alert notifying about an new update only shows ignore and show update button
@property (nonatomic, assign, getter=ishowingDirectInstallOption) BOOL showDirectInstallOption;

// if YES, each app version needs to be authorized by the server to run on this device
// if NO, each app version does not need to be authorized (default) 
@property (nonatomic, assign, getter=isRequireAuthorization) BOOL requireAuthorization;

// HockeyComparisonResultDifferent: alerts if the version on the server is different (default)
// HockeyComparisonResultGreater: alerts if the version on the server is greater
@property (nonatomic, assign) HockeyComparisonResult compareVersionType;

// see HockeyUpdateSetting-enum. Will be saved in user defaults.
// default value: HockeyUpdateCheckStartup
@property (nonatomic, assign) HockeyUpdateSetting updateSetting;

// if YES, this will cause the install button to point to alternativeInstallURL
// if NO, this will cuase the install buton to point to the a URL generated by hocker server at updateURL (default)
@property (nonatomic, assign, getter=shouldUseAlternativeInstallURL) BOOL useAlternativeInstallURL;

///////////////////////////////////////////////////////////////////////////////////////////////////

@property (nonatomic, readonly) BOOL isAppStoreEnvironment;

// is an update available?
- (BOOL)isUpdateAvailable;

// are we currently checking for updates?
- (BOOL)isCheckInProgress;

// open update info view
- (void)showUpdateView;

// manually start an update check
- (void)checkForUpdate;

// checks for update, informs the user (error, no update found, etc)
- (void)checkForUpdateShowFeedback:(BOOL)feedback;

// initiates app-download call. displays an system UIAlertView
- (BOOL)initiateAppDownload;

// checks wether this app version is authorized
- (BOOL)appVersionIsAuthorized;

// start checking for an authorization key
- (void)checkForAuthorization;

// convenience methode to create hockey view controller
- (BWHockeyViewController *)hockeyViewController:(BOOL)modal;

// get/set current active hockey view controller
@property (nonatomic, retain) BWHockeyViewController *currentHockeyViewController;

// convenience method to get current running version string
- (NSString *)currentAppVersion;

// get newest app or array of all available versions
- (BWApp *)app;

- (NSArray *)apps;

// check if there is any newer version mandatory
- (BOOL)hasNewerMandatoryVersion;

@end

///////////////////////////////////////////////////////////////////////////////////////////////////
@protocol BWHockeyManagerDelegate <NSObject>

/*
 Return the device UDID which is required for beta testing, should return nil for app store configuration!
 Example implementation if your configuration for the App Store is called "AppStore":
 
 #ifndef (CONFIGURATION_AppStore)
 if ([[UIDevice currentDevice] respondsToSelector:@selector(uniqueIdentifier)])
 return [[UIDevice currentDevice] performSelector:@selector(uniqueIdentifier)];
 #endif
 return nil;
 
 */
- (NSString *)customDeviceIdentifier;

@optional

// Invoked when the internet connection is started, to let the app enable the activity indicator
- (void)connectionOpened;

// Invoked when the internet connection is closed, to let the app disable the activity indicator
- (void)connectionClosed;

// optional parent view controller for the update screen when invoked via the alert view, default is the root UIWindow instance
- (UIViewController *)viewControllerForHockeyController:(BWHockeyManager *)hockeyController;

@end