#import "Beam.h"

static BOOL isBeamEnabled;
static BOOL isTFDeletedOnly;
static CGFloat pushshiftRequestTimeoutValue;

%group Beam

%hook CommentCell
%property(strong, nonatomic) UIButton *undeleteButton;

-(void) layoutSubviews{
	%orig;
	
	UIButton *undeleteButton = [self undeleteButton];
	
	if (undeleteButton){
		if ([self isCollapsed]){
			[undeleteButton setHidden:YES];
		} else {
			[undeleteButton setHidden:NO];
		}
	} else {
		
		NSString *commentBody = [[self comment] content];
	
		HBLogDebug(@"body: %@", commentBody);
	
		if ((isTFDeletedOnly && ([commentBody isEqualToString:@"[deleted]"] || [commentBody isEqualToString:@"[removed]"])) || !isTFDeletedOnly){
			
			CGFloat authorTextHeight = [[self authorButton] frame].size.height;
			
			undeleteButton = [UIButton buttonWithType:UIButtonTypeCustom];
			[undeleteButton addTarget:self action:@selector(handleUndeleteCommentAction:) forControlEvents:UIControlEventTouchUpInside];
			
			[undeleteButton setImage:[UIImage imageWithContentsOfFile:@"/var/mobile/Library/Application Support/TFDidThatSay/eye160dark.png"] forState:UIControlStateNormal];
			undeleteButton.imageView.contentMode = UIViewContentModeScaleAspectFit;
			undeleteButton.imageEdgeInsets = UIEdgeInsetsMake(5, 5, 5, 5);
			
			undeleteButton.frame = CGRectMake([[UIScreen mainScreen] bounds].size.width - authorTextHeight - 5, 5, authorTextHeight, authorTextHeight);
			
			[[self commentContentView] addSubview:undeleteButton];
			[self setUndeleteButton:undeleteButton];
		}
	}
}

%new
-(void) handleUndeleteCommentAction:(id) sender{
	
	[sender setEnabled:NO];
	
	id comment = [self comment];
	
	NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
	NSOperationQueue *queue = [[NSOperationQueue alloc] init];

	[request setURL:[NSURL URLWithString:[NSString stringWithFormat:@"https://api.pushshift.io/reddit/search/comment/?ids=%@&fields=author,body", [comment identifier]]]];
	[request setHTTPMethod:@"GET"];
	[request setTimeoutInterval:pushshiftRequestTimeoutValue];

	[NSURLConnection sendAsynchronousRequest:request queue:queue completionHandler:^(NSURLResponse *response, NSData *data, NSError *error) {
		
		NSString *author = @"[author]";
		NSString *body = @"[body]";

		if (data != nil && error == nil){
			id jsonData = [NSJSONSerialization JSONObjectWithData:data options:0 error:&error];
			if ([[jsonData objectForKey:@"data"] count] != 0){
				author = [[jsonData objectForKey:@"data"][0] objectForKey:@"author"];
				body = [[jsonData objectForKey:@"data"][0] objectForKey:@"body"];
				if ([body isEqualToString:@"[deleted]"] || [body isEqualToString:@"[removed]"]){
					body = @"[pushshift was unable to archive this]";
				}
			} else {
				body = @"[pushshift has not archived this yet]";
			}
		} else if (error != nil || data == nil){
			body = [NSString stringWithFormat:@"[an error occured while attempting to contact pushshift api (%@)]", [error localizedDescription]];
		}
		
		[comment setAuthor:author];
		[comment setContent:body];
		[comment setMarkdownString:nil];
		
		[self setCommentDidChange:YES];
		[self performSelectorOnMainThread:@selector(reloadContents) withObject:nil waitUntilDone:YES];
		[[MSHookIvar<id>(self, "delegate") tableView] performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:NO];
		
		[sender setEnabled:YES];
	}];
}

%end


%hook PostSelfTextPartCell

-(void) setSelected:(BOOL) arg1 animated:(BOOL) arg2{
	%orig;
	
	id postViewController = [self _viewControllerForAncestor];
	
	if ([postViewController isMemberOfClass:objc_getClass("beam.PostDetailEmbeddedViewController")]){
	
		[postViewController setSelfTextView:self];
		[postViewController setPost:[self post]];
	}
}

%end


%hook PostMetadataView

-(void) layoutSubviews{
	%orig;
	
	id postViewController = MSHookIvar<id>(self, "delegate");
	
	if ([postViewController isMemberOfClass:objc_getClass("beam.PostDetailEmbeddedViewController")]){
		[postViewController setMetadataView:self];
	}
}

%end


%hook PostToolbarView
%property(strong, nonatomic) UIButton *undeleteButton;

-(void) layoutSubviews{
	%orig;
	
	if (![self undeleteButton] && [[[self post] isSelfText] boolValue] && [MSHookIvar<id>(self, "delegate") isMemberOfClass:objc_getClass("beam.PostDetailEmbeddedViewController")]){
		
		NSString *postBody = [[self post] content];
		
		if ((isTFDeletedOnly && ([postBody isEqualToString:@"[deleted]"] || [postBody isEqualToString:@"[removed]"])) || !isTFDeletedOnly){
		
			id moreButton = MSHookIvar<id>(self, "moreButton");
			
			CGFloat buttonHeight = [moreButton frame].size.height;
			
			UIButton *undeleteButton = [UIButton buttonWithType:UIButtonTypeCustom];
			[undeleteButton addTarget:MSHookIvar<id>(self, "delegate") action:@selector(handleUndeletePostAction:) forControlEvents:UIControlEventTouchUpInside];
			
			[undeleteButton setImage:[UIImage imageWithContentsOfFile:@"/var/mobile/Library/Application Support/TFDidThatSay/eye160dark.png"] forState:UIControlStateNormal];
			undeleteButton.imageView.contentMode = UIViewContentModeScaleAspectFit;
			undeleteButton.imageEdgeInsets = UIEdgeInsetsMake(5, 5, 5, 5);
			
			undeleteButton.frame = CGRectMake([moreButton frame].origin.x - buttonHeight, 1, buttonHeight, buttonHeight);
			
			[self addSubview:undeleteButton];
			[self setUndeleteButton:undeleteButton];
		}
	}
}

%end

%hook PostDetailEmbeddedViewController
%property(strong, nonatomic) id selfTextView;
%property(strong, nonatomic) id metadataView;
%property(strong, nonatomic) id post;

%new
-(void) handleUndeletePostAction:(id) sender{
	
	[sender setEnabled:NO];
	
	id post = [self post];
	
	if (post){

		NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
		NSOperationQueue *queue = [[NSOperationQueue alloc] init];

		[request setURL:[NSURL URLWithString:[NSString stringWithFormat:@"https://api.pushshift.io/reddit/search/submission/?ids=%@&fields=author,selftext", [post identifier]]]];
		[request setHTTPMethod:@"GET"];
		[request setTimeoutInterval:pushshiftRequestTimeoutValue];

		[NSURLConnection sendAsynchronousRequest:request queue:queue completionHandler:^(NSURLResponse *response, NSData *data, NSError *error) {
			
			NSString *author = @"[author]";
			NSString *body = @"[body]";

			if (data != nil && error == nil){
				id jsonData = [NSJSONSerialization JSONObjectWithData:data options:0 error:&error];
				if ([[jsonData objectForKey:@"data"] count] != 0){
					author = [[jsonData objectForKey:@"data"][0] objectForKey:@"author"];
					body = [[jsonData objectForKey:@"data"][0] objectForKey:@"selftext"];
					if ([body isEqualToString:@"[deleted]"] || [body isEqualToString:@"[removed]"]){
						body = @"[pushshift was unable to archive this]";
					}
				} else {
					body = @"[pushshift has not archived this yet]";
				}
			} else if (error != nil || data == nil){
				body = [NSString stringWithFormat:@"[an error occured while attempting to contact pushshift api (%@)]", [error localizedDescription]];
			}
			
			[post setAuthor:author];
			[post setContent:body];
			[post setMarkdownString:nil];
			
			if ([self selfTextView]){
				[[self selfTextView] performSelectorOnMainThread:@selector(reloadContents) withObject:nil waitUntilDone:YES];
			}
			
			if ([self metadataView]){
				[[self metadataView] performSelectorOnMainThread:@selector(setPost:) withObject:post waitUntilDone:YES];
			}
			
			[[self tableView] performSelectorOnMainThread:@selector(reloadData) withObject:post waitUntilDone:NO];

			[sender setEnabled:YES];
		}];
	}
}

%end

%end


static void loadPrefs(){
	NSMutableDictionary *prefs = [[NSMutableDictionary alloc] initWithContentsOfFile:@"/User/Library/Preferences/com.lint.undelete.prefs.plist"];
	
	if (prefs){
		
		if ([prefs objectForKey:@"isBeamEnabled"] != nil){
			isBeamEnabled = [[prefs objectForKey:@"isBeamEnabled"] boolValue];
		} else {
			isBeamEnabled = YES;
		}
		
		if ([prefs objectForKey:@"isTFDeletedOnly"] != nil) {
			isTFDeletedOnly = [[prefs objectForKey:@"isTFDeletedOnly"] boolValue];
		} else {
			isTFDeletedOnly = YES;
		}
		
		if ([prefs objectForKey:@"requestTimeoutValue"] != nil){
			pushshiftRequestTimeoutValue = [[prefs objectForKey:@"requestTimeoutValue"] doubleValue];
		} else {
			pushshiftRequestTimeoutValue = 10;
		}
		
	} else {
		isBeamEnabled = YES;
		isTFDeletedOnly = YES;
		pushshiftRequestTimeoutValue = 10;
	}	
}

static void prefsChanged(CFNotificationCenterRef center, void *observer, CFStringRef name, const void *object, CFDictionaryRef userInfo) {
  loadPrefs();
}


%ctor{
	loadPrefs();
	
	NSString* processName = [[NSProcessInfo processInfo] processName];

	if ([processName isEqualToString:@"beam"]){		
		if (isBeamEnabled){
			
			CFNotificationCenterAddObserver(CFNotificationCenterGetDarwinNotifyCenter(), NULL, prefsChanged, CFSTR("com.lint.undelete.prefs.changed"), NULL, CFNotificationSuspensionBehaviorDeliverImmediately);
			
			%init(Beam, CommentCell = objc_getClass("beam.CommentCell"), PostDetailEmbeddedViewController = objc_getClass("beam.PostDetailEmbeddedViewController"), PostToolbarView = objc_getClass("beam.PostToolbarView"), PostSelfTextPartCell = objc_getClass("beam.PostSelfTextPartCell"), PostMetadataView = objc_getClass("beam.PostMetadataView"));
		}
	}
}