//
//  AppDelegate.m
//  Perforce
//
//  Created by Adam Czubernat on 07.05.2013.
//  Copyright (c) 2013 Perforce Software, Inc. All rights reserved.
//

#import "AppDelegate.h"

#import "P4Workspace.h"
#import "P4Defaults.h"
#import "P4WorkspaceDefaults.h"
#import "MainWindowController.h"

@interface AppDelegate () {
	MainWindowController *windowController;
	SEL launchAction;
	id launchObject;
	BOOL loggingIn;
}
- (void)automaticLogin;
- (void)showLoginPanel;
- (void)loadWorkspace;
- (void)performWorkspaceAction:(SEL)selector withObject:(id)object;
- (void)handleOpenEvent:(NSAppleEventDescriptor *)event withReplyEvent:(NSAppleEventDescriptor *)replyEvent;
- (void)handleServices:(NSPasteboard *)pboard userData:(NSString *)userData error:(NSString **)error;
@end

@implementation AppDelegate

- (void)applicationWillFinishLaunching:(NSNotification *)notification {
	// Set URL handler
	NSAppleEventManager *appleEventManager = [NSAppleEventManager sharedAppleEventManager];
	[appleEventManager setEventHandler:self andSelector:@selector(handleOpenEvent:withReplyEvent:)
						 forEventClass:kInternetEventClass andEventID:kAEGetURL];
	// Register as default URL scheme handler
	CFStringRef bundleID = (__bridge CFStringRef)[[NSBundle mainBundle] bundleIdentifier];
	LSSetDefaultHandlerForURLScheme((__bridge CFStringRef)@"p4", bundleID);
}

- (void)applicationDidFinishLaunching:(NSNotification *)notification {
	// Check if launched as service
	NSAppleEventDescriptor *event = [[NSAppleEventManager sharedAppleEventManager] currentAppleEvent];
	BOOL launchedAsService = [event eventID] == kAEOpenApplication &&
	[[event paramDescriptorForKeyword:keyAEPropData] enumCodeValue] == keyAELaunchedAsServiceItem;	
	// Update services
	[NSApp setServicesProvider:self];
    NSUpdateDynamicServices();
	// Set the exception handler
	PSDebugInstallCrashHandler();
	// Log app info
    NSDictionary *info = [[NSBundle mainBundle] infoDictionary];
    NSString *appName = [info objectForKey:@"CFBundleExecutable"];
    NSString *appVersion = [info objectForKey:@"CFBundleShortVersionString"];
    NSString *appBuild = [info objectForKey:@"CFBundleVersion"];
	NSString *appBuildDate = [info objectForKey:@"BuildDate"];
	PSLogStore(@"AppVersion", @"%@ v%@ (%@)", appName, appVersion, appBuild);
	PSLogStore(@"BuildDate", @"%@", appBuildDate);
	// Load default values
	[NSUserDefaults loadDefaultsWithName:@"UserDefaults"];
	
	NSString *lastWorkspace = [P4Defaults sharedInstance].workspace;
	windowController = [[MainWindowController alloc] init];

	// Check if show window
	if (launchedAsService) {
		PSLog(@"Launching with service");
		[windowController window];
	} else {
		PSLog(@"Launching normally");
		[windowController showWindow:nil];
	}
	
	if (lastWorkspace.length) {
		[self automaticLogin];
		if ([windowController.window isVisible])
			[windowController showLoading:@"Connecting..."];
	} else {
		[windowController showWindow:nil];
		[self showLoginPanel];
	}
}

//- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)sender {
//	return YES;
//}

- (BOOL)applicationShouldHandleReopen:(NSApplication *)sender hasVisibleWindows:(BOOL)windows {
	if (!windows) {
		[windowController showWindow:self];
		if (loggingIn)
			[windowController showLoading:@"Connecting..."];
	}
	return YES;
}

#pragma mark - Private

- (void)automaticLogin {
	PSLog(@"Automatic login...");
	loggingIn = YES;
	
	P4Credentials *credentials = [[P4Credentials alloc] init];
	credentials.username = [P4Defaults sharedInstance].username;
	credentials.address = [P4Defaults sharedInstance].host;
	credentials.resumeSession = YES;
	
	// Connect to host
	[[P4Workspace sharedInstance]
	 connectWithCredentials:credentials
	 response:^(P4Operation *operation, NSArray *response) {
		 
		 if (operation.errors) {
			 PSLog(@"Failed to connect");
			 [self showLoginPanel];
			 return;
		 }
		 
		 // Try login last session
		 [[P4Workspace sharedInstance]
		  loginWithCredentials:credentials
		  response:^(P4Operation *operation, NSArray *response) {
			  
			  if (operation.errors) {
				  PSLog(@"Failed logging-in using last session");
				  PSLog(@"Automatic login using SSO...");
				  
				  // Try SSO login
				  [[P4Workspace sharedInstance]
				   loginWithSSO:credentials
				   response:^(P4Operation *operation, NSArray *response) {
					   if (operation.errors) {
						   PSLog(@"Failed to login using SSO");
						   [self showLoginPanel];
						   return;
					   }
					   
					   PSLog(@"Logged-in using SSO");
					   [self loadWorkspace];
				   }];
				  return;
			  }
			  
			  PSLog(@"Logged-in using last session");
			  [self loadWorkspace];
		  }];
	 }];
}

- (void)showLoginPanel {
	loggingIn = NO;
	[windowController dismissLoading];
	if (![windowController.window isVisible])
		[windowController showWindow:nil];
	[windowController connect:nil];
}

- (void)loadWorkspace {
	
	NSString *workspace = [P4Defaults sharedInstance].workspace;

	[[P4Workspace sharedInstance]
	 setWorkspace:workspace
	 response:^(P4Operation *operation, NSArray *response) {
		 loggingIn = NO;
		 [windowController dismissLoading];
		 
		 if (operation.errors) {
			 PSLog(@"Couldn't use last workspace %@", workspace);
			 [self showLoginPanel];
			 [windowController showWorkspaceSelection:nil];
			 
		 } else {
			 PSLog(@"Connected to last workspace: %@", workspace);
			 PSLogStore(@"Workspace info", @"%@", response);
			 
			 // Save last workspace details
			 [P4WorkspaceDefaults setWorkspace:workspace];
			 
			 [windowController reload];
			 
			 if (launchAction != @selector(openFile:))
				 [windowController loadPath:@"//"];
			 
			 // Perform dispatched service action
			 if (launchAction) {
				 PSLog(@"Service: dispatched action -%@ %@", NSStringFromSelector(launchAction), launchObject);
				 [windowController performSelectorOnMainThread:launchAction withObject:launchObject
												 waitUntilDone:NO];
				 launchAction = nil;
				 launchObject = nil;
			 }
		 }
	 }];
}

- (void)performWorkspaceAction:(SEL)selector withObject:(id)object {
	if ([[P4Workspace sharedInstance] isLoggedIn] &&
		[[P4Workspace sharedInstance] workspace]) {
		PSLog(@"Service: action -%@ %@", NSStringFromSelector(selector), object);
		[windowController performSelectorOnMainThread:selector withObject:object
										waitUntilDone:NO];
	} else {
		launchAction = selector;
		launchObject = object;
	}
}

#pragma mark - URL Event handler

- (void)handleOpenEvent:(NSAppleEventDescriptor *)event withReplyEvent:(NSAppleEventDescriptor *)replyEvent {
	NSString *url = [[event paramDescriptorForKeyword:keyDirectObject] stringValue];
	PSLog(@"Opening external URL:\n%@", url);
	
	[self performWorkspaceAction:@selector(openFile:) withObject:url];
}

- (void)handleServices:(NSPasteboard *)pboard userData:(NSString *)userData error:(NSString *__autoreleasing *)error {
	PSLog(@"Service: %@", userData);
	
	NSArray *files = nil;

    if ([[pboard types] containsObject:NSFilenamesPboardType]){

		files = [pboard propertyListForType:NSFilenamesPboardType];

	} else if ([userData hasPrefix:@"com.adobe.illustrator"]) {
		NSAppleScript *appleScript = [[NSAppleScript alloc] initWithSource:
									  @"tell application id \"com.adobe.illustrator\"\n"
									  "set theFilePath to file path of front document\n"
									  "end tell"];
		NSDictionary *errorDict = nil;
		NSAppleEventDescriptor *descriptor = [appleScript executeAndReturnError:&errorDict];
		NSURL *url = [NSURL URLWithString:[descriptor stringValue]];
		NSString *path = [url path];
        if(path) {
		files = [NSArray arrayWithObject:path];
        } else {
            files = [NSArray array];
        }
        if (!files.count) {
			PSLog(@"Error > Failed to run illustrator script %@\n%@", userData, errorDict);
            [windowController showErrors:@[ [NSError errorWithFormat:@"Failed to run illustrator script %@\n%@.\nIllustrator failed to return  \nCheck if your file name contains illegal characters.", userData, errorDict] ]];
        }
	}

	if (!files.count)
		return PSLog(@"Error > Failed to retrieve urls from service %@ %@", userData, pboard);
	
	// Parse urls

	if ([userData hasPrefix:@"com.apple.finder.folder"]) { // Add '/' to directory paths
		files = [files valueForKey:@"directoryPath"];		
	}
	
	if ([userData hasPrefix:@"com.apple.finder.symlink"]) { // Resolve symlinks
		files = [files arrayUsingBlock:^id(NSString *file, NSUInteger idx) {
			NSURL *url = [NSURL fileURLWithPath:file];
			NSNumber *isSymlink = nil;
			[url getResourceValue:&isSymlink forKey:NSURLIsSymbolicLinkKey error:NULL];
			if (isSymlink.boolValue) {
				NSString *dest = [[NSFileManager defaultManager]
								  destinationOfSymbolicLinkAtPath:url.path error:NULL];
				url = [NSURL fileURLWithPath:dest];
			}
			NSNumber *isDir = nil;
			[url getResourceValue:&isDir forKey:NSURLIsDirectoryKey error:NULL];
			if (isDir.boolValue)
				return [url.path directoryPath];
			return url.path;
		}];
	}

	if ([userData hasSuffix:@"edit"])
		[self performWorkspaceAction:[files.firstObject hasSuffix:@"/"] ?
		 @selector(editAllFiles:) : @selector(editFiles:) withObject:files];
	else if ([userData hasSuffix:@"submit"])
		[self performWorkspaceAction:[files.firstObject hasSuffix:@"/"] ?
		 @selector(submitAllFiles:) : @selector(submitFiles:) withObject:files];
	else if ([userData hasSuffix:@"open"])
		[self performWorkspaceAction:@selector(openFile:) withObject:files.firstObject];
	else
		PSLog(@"Error > Unrecognized service %@", userData);
}

@end