#import "Reddit.h"
#import "assets/TFHelper.h"

static BOOL isEnabled;
static BOOL isRedditEnabled;
static BOOL isTFDeletedOnly;
static CGFloat pushshiftRequestTimeoutValue;

int firstVersionPart = 0;
int secondVersionPart = 0;

%group Reddit_v4_current

UIColor * getCurrentTextColor() {

	ThemeManager *themeManager;
	id isNightMode;
	UIColor *textColor;

	if (firstVersionPart >= 2021) {

		RUIThemeGuidance *themeGuidance = [%c(RUIThemeGuidance) sharedGuidance];
		textColor = [[themeGuidance currentTheme] bodyTextColor];

	} else if (firstVersionPart == 2020) {
		if (secondVersionPart <= 40) {

			AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
			AppSettings *appSettings = [%c(AppSettings) sharedSettings];
			AccountManager *accountManager = secondVersionPart >= 29 ? [appDelegate accountManager] : [%c(AccountManager) sharedManager];
			themeManager = [[%c(ThemeManager) alloc] initWithAppSettings:appSettings];
			isNightMode = [[accountManager defaults] objectForKey:@"kUseNightKey"];

			if (SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(@"13.0") && [appSettings isAutoDarkModeEnabled]) {

				NSInteger sysInterfaceStyle = [[UITraitCollection _currentTraitCollection] userInterfaceStyle];

				if (sysInterfaceStyle == UIUserInterfaceStyleDark){
					textColor = [[themeManager darkTheme] bodyTextColor];
				} else {
					textColor = [[themeManager lightTheme] bodyTextColor];
				}

			} else {

				if (isNightMode) {
					textColor = [[themeManager darkTheme] bodyTextColor];
				} else {
					textColor = [[themeManager lightTheme] bodyTextColor];
				}
			}

			[themeManager release];
		} else {
			RUIThemeGuidance *themeGuidance = [%c(RUIThemeGuidance) sharedGuidance];
			textColor = [[themeGuidance currentTheme] bodyTextColor];
		}

	} else {

		if (secondVersionPart >= 45) {
			themeManager = [[%c(ThemeManager) alloc] initWithAppSettings:[%c(AppSettings) sharedSettings]];
			isNightMode = [[[%c(AccountManager) sharedManager] defaults] objectForKey:@"kUseNightKey"];

			if (isNightMode) {
				textColor = [[themeManager darkTheme] bodyTextColor];
			} else {
				textColor = [[themeManager lightTheme] bodyTextColor];
			}

			[themeManager release];

		} else if (secondVersionPart >= 37) {
			themeManager  = [[%c(ThemeManager) alloc] initWithTraitCollection:nil appSettings:[%c(AppSettings) sharedSettings]];
			isNightMode = [[[%c(AccountManager) sharedManager] defaults] objectForKey:@"kUseNightKey"];

			if (isNightMode) {
				textColor = [[themeManager nightTheme] bodyTextColor];
			} else {
				textColor = [[themeManager dayTheme] bodyTextColor];
			}

			[themeManager release];

		} else {
			themeManager  = [%c(ThemeManager) sharedManager];
			isNightMode = [[[%c(AccountManager) sharedManager] defaults] objectForKey:@"kUseNightKey"];

			if (isNightMode) {
				textColor = [[themeManager nightTheme] bodyTextColor];
			} else {
				textColor = [[themeManager dayTheme] bodyTextColor];
			}
		}
	}

	return textColor;
}

%hook CommentTreeNode
%property(assign,nonatomic)id commentTreeHeaderNode;
%property(assign,nonatomic)id commentTreeCommandBarNode;
%end

%hook CommentTreeHeaderView

- (void)layoutSubviews {
	%orig;

	[[self commentTreeNode] setCommentTreeHeaderNode:self];
}

%end

%hook CommentTreeHeaderNode

- (void)didLoad {
	%orig;

	[[self commentTreeNode] setCommentTreeHeaderNode:self];
}
%end


%hook CommentTreeCommandBarNode

- (void)didLoad {
	%orig;

	[[self commentTreeNode] setCommentTreeCommandBarNode:self];
}
%end


%hook CommentActionSheetViewController

- (void)setItems:(id)arg1 {

	NSString *author = [[self comment] author];

	if ([%c(TFHelper) shouldShowUndeleteButtonWithInfo:author isDeletedOnly:isTFDeletedOnly]) {

		UIImage* origImage = [UIImage imageWithContentsOfFile:@"/var/mobile/Library/Application Support/TFDidThatSay/eye160dark.png"];

		CGSize existingImageSize = [[arg1[0] leftIconImage] size];
		CGFloat scale = origImage.size.width / existingImageSize.width;

		UIImage *newImage = [UIImage imageWithCGImage:[origImage CGImage] scale:scale orientation:origImage.imageOrientation];

		id undeleteItem = [[%c(RUIActionSheetItem) alloc] initWithLeftIconImage:newImage text:@"TF did that say?" identifier:@"undeleteItemIdentifier" context:[self comment]];

		arg1 = [arg1 arrayByAddingObject:undeleteItem];

		[undeleteItem release];
	}

	%orig;
}

- (void)handleDidSelectActionSheetItem:(id)arg1 {
	%orig;

	if ([[arg1 identifier] isEqualToString:@"undeleteItemIdentifier"]) {

		[self dismissViewControllerAnimated:YES completion:nil];

		id commentTreeNode = [self commentTreeNode];
		Comment *comment = [commentTreeNode comment];

		[%c(TFHelper) getUndeleteDataWithID:[[comment pk] componentsSeparatedByString:@"_"][1] isComment:YES timeout:pushshiftRequestTimeoutValue extraData:nil completionTarget:self completionSelector:@selector(completeUndeleteCommentAction:)];
	}
}

%new
- (void)completeUndeleteCommentAction:(NSDictionary *)data {

	id commentTreeNode = [self commentTreeNode];
	Comment *comment = [commentTreeNode comment];

	NSString *author = data[@"author"];
	NSString *body = data[@"body"];

	UIColor *textColor = getCurrentTextColor();
	NSMutableAttributedString *bodyMutableAttributedText;

	bodyMutableAttributedText = [[NSMutableAttributedString alloc] initWithAttributedString:[%c(NSAttributedStringMarkdownParser) attributedStringUsingCurrentConfig:body]];

	[bodyMutableAttributedText beginEditing];
	[bodyMutableAttributedText enumerateAttribute:NSForegroundColorAttributeName inRange:NSMakeRange(0, bodyMutableAttributedText.length) options:0 usingBlock:^(id  _Nullable value, NSRange range, BOOL * _Nonnull stop) {
		[bodyMutableAttributedText removeAttribute:NSForegroundColorAttributeName range:range];
		[bodyMutableAttributedText addAttribute:NSForegroundColorAttributeName value:textColor range:range];
	}];
	[bodyMutableAttributedText endEditing];

	[comment setAuthor:author];
	[comment setBodyText:body];
	[comment setBodyRichTextAttributed:bodyMutableAttributedText];

	if ((firstVersionPart == 2020 && secondVersionPart <= 39) || firstVersionPart == 4) {
		[comment setBodyAttributedText:bodyMutableAttributedText];
	}

	CommentTreeHeaderNode *headerNode = [commentTreeNode commentTreeHeaderNode];
	[headerNode updateContentViewsForData:comment];
	[headerNode configureNodes];

	if (firstVersionPart >= 2021) {
		CommentTreeTextNode *textNode = [[headerNode supernode] textNode];
		[textNode configureTextNode];
	}

	[bodyMutableAttributedText release];
}

%end


%hook PostDetailViewController
%property(strong,nonatomic) id feedPostTextWithThumbnailNode;
%property(strong,nonatomic) id feedPostDetailCellNode;
%end

%hook FeedPostDetailCellNode

- (void)didLoad {
	%orig;

	[[[self delegate] viewController] setFeedPostDetailCellNode:self];
}
%end

%hook PostActionSheetViewController

- (void)setItems:(id)arg1 {

	Post *post = [self post];
	NSString *author = [post author];

	if ([post isSelfPost]) {
		if ([%c(TFHelper) shouldShowUndeleteButtonWithInfo:author isDeletedOnly:isTFDeletedOnly]) {

			UIImage* origImage = [UIImage imageWithContentsOfFile:@"/var/mobile/Library/Application Support/TFDidThatSay/eye160dark.png"];

			CGSize existingImageSize = [[arg1[0] leftIconImage] size];
			CGFloat scale = origImage.size.width / existingImageSize.width;

			UIImage *newImage = [UIImage imageWithCGImage:[origImage CGImage] scale:scale orientation:origImage.imageOrientation];

			id undeleteItem = [[%c(RUIActionSheetItem) alloc] initWithLeftIconImage:newImage text:@"TF did that say?" identifier:@"undeleteItemIdentifier" context:[self post]];

			arg1 = [arg1 arrayByAddingObject:undeleteItem];

			[undeleteItem release];
		}
	}

	%orig;
}

- (void)handleDidSelectActionSheetItem:(id)arg1 {
	%orig;

	if ([[arg1 identifier] isEqualToString:@"undeleteItemIdentifier"]) {

		[self dismissViewControllerAnimated:YES completion:nil];

		Post *post = [self post];

		if ([post isSelfPost]){

			[%c(TFHelper) getUndeleteDataWithID:[[post pk] componentsSeparatedByString:@"_"][1] isComment:NO timeout:pushshiftRequestTimeoutValue extraData:nil completionTarget:self completionSelector:@selector(completeUndeletePostAction:)];
		}
	}
}

%new
- (void)completeUndeletePostAction:(NSDictionary *)data {
	Post *post = [self post];

	NSString *author = data[@"author"];
	NSString *body = data[@"body"];

	UIColor *textColor = getCurrentTextColor();
	NSMutableAttributedString *bodyMutableAttributedText = [[NSMutableAttributedString alloc] initWithAttributedString:[%c(NSAttributedStringMarkdownParser) attributedStringUsingCurrentConfig:body]];

	[bodyMutableAttributedText beginEditing];
	[bodyMutableAttributedText enumerateAttribute:NSForegroundColorAttributeName inRange:NSMakeRange(0, bodyMutableAttributedText.length) options:0 usingBlock:^(id  _Nullable value, NSRange range, BOOL * _Nonnull stop) {
		[bodyMutableAttributedText removeAttribute:NSForegroundColorAttributeName range:range];
		[bodyMutableAttributedText addAttribute:NSForegroundColorAttributeName value:textColor range:range];
	}];
	[bodyMutableAttributedText endEditing];

	[post setSelfText:body];
	[post setAuthor:author];
	[post setSelfPostRichTextAttributed:bodyMutableAttributedText];

	FeedPostTitleNode *titleNode = [[[[self postActionSheetDelegate] controller] feedPostDetailCellNode] titleNode];
	Post *feedPost = [titleNode post];
	[feedPost setAuthor:author];

	if (firstVersionPart >= 2021) {
		RichTextDisplayNode *selfTextNode = [[[[[self postActionSheetDelegate] controller] feedPostDetailCellNode] contentNode] selfTextNode];
		[selfTextNode setAttributedText:bodyMutableAttributedText];
		[selfTextNode configureDisplayNodes];
		[titleNode configureNodes];

	} else if (firstVersionPart == 2020) {
		if (secondVersionPart >= 42) {
			RichTextDisplayNode *selfTextNode = [[[[[self postActionSheetDelegate] controller] feedPostDetailCellNode] contentNode] selfTextNode];
			[selfTextNode setAttributedText:bodyMutableAttributedText];
			[selfTextNode configureDisplayNodes];
		} else {
			[post setPreviewFeedPostTextString:bodyMutableAttributedText];
			[[[[[self postActionSheetDelegate] controller] feedPostDetailCellNode] contentNode] configureSelfTextNode];
		}

		if (secondVersionPart >= 41) {
			[titleNode configureNodes];
		}
	} else {
		[post setPreviewFeedPostTextString:bodyMutableAttributedText];

		if (secondVersionPart >= 44) {
			[[[[[self postActionSheetDelegate] controller] feedPostDetailCellNode] contentNode] configureSelfTextNode];
		} else if (secondVersionPart >= 38) {
			[[[[self postActionSheetDelegate] controller] feedPostDetailCellNode] configureSelfTextNode];
		} else {
			[[[[self postActionSheetDelegate] controller] feedPostDetailCellNode] configureSelfTextNode];
			[[[[[self postActionSheetDelegate] controller] feedPostDetailCellNode] titleNode] configureNodes];
		}
	}

	[bodyMutableAttributedText release];
}

%end

%end


%group Reddit_v4_ios10

%hook CommentsViewController

%new
- (void)updateComments {
	[self reloadCommentsWithNewCommentsHighlight:NO autoScroll:NO animated:NO];
}

%new
- (void)updatePostText {

	if (secondVersionPart >= 2){
		[self reloadPostSection:YES];
	} else {
		[self feedPostViewDidUpdatePost:[self postData] shouldReloadFeed:NO];
	}
}

%end

%hook CommentActionSheetViewController

- (void)setItems:(id)arg1 {

	NSString *author = [[self comment] author];

	if ([%c(TFHelper) shouldShowUndeleteButtonWithInfo:author isDeletedOnly:isTFDeletedOnly]) {

		UIImage* origImage = [UIImage imageWithContentsOfFile:@"/var/mobile/Library/Application Support/TFDidThatSay/eye160dark.png"];

		CGSize existingImageSize = [[arg1[0] leftIconImage] size];
		CGFloat scale = origImage.size.width / existingImageSize.width;

		UIImage *newImage = [UIImage imageWithCGImage:[origImage CGImage] scale:scale orientation:origImage.imageOrientation];

		id undeleteItem;

		if (secondVersionPart >= 18) {
			undeleteItem = [[%c(RUIActionSheetItem) alloc] initWithLeftIconImage:newImage text:@"TF did that say?" identifier:@"undeleteItemIdentifier" context:[self comment]];
		} else {
			undeleteItem = [[%c(ActionSheetItem) alloc] initWithLeftIconImage:newImage text:@"TF did that say?" identifier:@"undeleteItemIdentifier" context:[self comment]];
		}

		arg1 = [arg1 arrayByAddingObject:undeleteItem];

		[undeleteItem release];
	}

	%orig;
}

// >= 4.21
- (void)handleDidSelectActionSheetItem:(id)arg1 {
	%orig;

	if ([[arg1 identifier] isEqualToString:@"undeleteItemIdentifier"]) {

		[self dismissViewControllerAnimated:YES completion:nil];

		Comment *comment = [self comment];

		[%c(TFHelper) getUndeleteDataWithID:[[comment pk] componentsSeparatedByString:@"_"][1] isComment:YES timeout:pushshiftRequestTimeoutValue extraData:nil completionTarget:self completionSelector:@selector(completeUndeleteCommentAction:)];
	}
}

// <= 4.20
- (void)actionSheetViewController:(id)arg1 didSelectItem:(id)arg2 {
	%orig;

	if ([[arg2 identifier] isEqualToString:@"undeleteItemIdentifier"]){

		[self dismissViewControllerAnimated:YES completion:nil];

		Comment *comment = [self comment];

		[%c(TFHelper) getUndeleteDataWithID:[[comment pk] componentsSeparatedByString:@"_"][1] isComment:YES timeout:pushshiftRequestTimeoutValue extraData:nil completionTarget:self completionSelector:@selector(completeUndeleteCommentAction:)];
	}
}

%new
- (void)completeUndeleteCommentAction:(NSDictionary *)data {

	Comment *comment = [self comment];

	NSString *body = data[@"body"];

	NSMutableAttributedString *bodyMutableAttributedText = [[NSMutableAttributedString alloc] initWithAttributedString:[%c(NSAttributedStringMarkdownParser) attributedStringUsingCurrentConfig:body]];

	[comment setAuthor:data[@"author"]];
	[comment setBodyText:body];
	[comment setBodyAttributedText:bodyMutableAttributedText];

	if (secondVersionPart >= 12) {
		[comment setBodyRichTextAttributed:bodyMutableAttributedText];
	}

	[[self commentActionSheetDelegate] updateComments];

	[bodyMutableAttributedText release];
}
%end


%hook PostActionSheetViewController

- (void)setItems:(id)arg1{

	Post *post = [self post];
	NSString *author = [post author];

	if ([post isSelfPost]) {
		if ([%c(TFHelper) shouldShowUndeleteButtonWithInfo:author isDeletedOnly:isTFDeletedOnly]) {

			UIImage* origImage = [UIImage imageWithContentsOfFile:@"/var/mobile/Library/Application Support/TFDidThatSay/eye160dark.png"];

			CGSize existingImageSize = [[arg1[0] leftIconImage] size];
			CGFloat scale = origImage.size.width / existingImageSize.width;

			UIImage *newImage = [UIImage imageWithCGImage:[origImage CGImage] scale:scale orientation:origImage.imageOrientation];

			id undeleteItem;

			if (secondVersionPart >= 18) {
				undeleteItem = [[%c(RUIActionSheetItem) alloc] initWithLeftIconImage:newImage text:@"TF did that say?" identifier:@"undeleteItemIdentifier" context:[self post]];
			} else {
				undeleteItem = [[%c(ActionSheetItem) alloc] initWithLeftIconImage:newImage text:@"TF did that say?" identifier:@"undeleteItemIdentifier" context:[self post]];
			}

			arg1 = [arg1 arrayByAddingObject:undeleteItem];

			[undeleteItem release];
		}
	}

	%orig;
}

// >= 4.21
- (void)handleDidSelectActionSheetItem:(id)arg1 {
	%orig;

	if ([[arg1 identifier] isEqualToString:@"undeleteItemIdentifier"]) {

		[self dismissViewControllerAnimated:YES completion:nil];

		Post *post = [self post];

		if ([post isSelfPost]) {
			[%c(TFHelper) getUndeleteDataWithID:[[post pk] componentsSeparatedByString:@"_"][1] isComment:NO timeout:pushshiftRequestTimeoutValue extraData:nil completionTarget:self completionSelector:@selector(completeUndeletePostAction:)];
		}
	}
}

// <= 4.20
- (void)actionSheetViewController:(id)arg1 didSelectItem:(id)arg2 {
	%orig;

	if ([[arg2 identifier] isEqualToString:@"undeleteItemIdentifier"]) {

		[self dismissViewControllerAnimated:YES completion:nil];

		Post *post = [self post];

		if ([post isSelfPost]){

			[%c(TFHelper) getUndeleteDataWithID:[[post pk] componentsSeparatedByString:@"_"][1] isComment:NO timeout:pushshiftRequestTimeoutValue extraData:nil completionTarget:self completionSelector:@selector(completeUndeletePostAction:)];
		}
	}
}

%new
- (void)completeUndeletePostAction:(NSDictionary *)data {

	Post *post = [self post];

	NSString *body = data[@"body"];

	NSMutableAttributedString *bodyMutableAttributedText = [[NSMutableAttributedString alloc] initWithAttributedString:[%c(NSAttributedStringMarkdownParser) attributedStringUsingCurrentConfig:body]];

	[post setAuthor:data[@"author"]];
	[post setSelfText:body];
	[post setSelfTextAttributed:bodyMutableAttributedText];

	if (secondVersionPart >= 8) {
		[post setSelfPostRichTextAttributed:bodyMutableAttributedText];
	}

	if (secondVersionPart >= 15) {
		[post setPreviewFeedPostTextString:bodyMutableAttributedText];
	}

	[[self postActionSheetDelegate] updatePostText];

	[bodyMutableAttributedText release];
}

%end

%end


//outdated and unchanged from first version of this tweak...
//TODO: move button to menu, add post support, make async requests once I feel like doing it
%group Reddit_v3

%hook CommentView

%new
-(void) buttonAction {

	id commentsViewController = [self delegate];
	id comment = [self comment];

	NSError* error;

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

	NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:&error];

	NSString *author = @"[author]";
	NSString *body = @"[body]";

	if (data != nil && error == nil){

		id jsonData = [NSJSONSerialization JSONObjectWithData:data options:0 error:&error];

		author = [[jsonData objectForKey:@"data"][0] objectForKey:@"author"];
		body = [[jsonData objectForKey:@"data"][0] objectForKey:@"body"];

		if ([body isEqualToString:@"[deleted]"] || [body isEqualToString:@"[removed]"]){
			body = @"[comment was unable to be archived]";
		}

	} else if (error != nil || data == nil){
		body = @"[an error occured]";
	}

	[comment setValue:author forKey:@"author"];

	[comment setValue:[%c(MarkDownParser) attributedStringFromMarkdownString: body] forKey:@"bodyAttributedText"];
	[comment setValue:body forKey:@"bodyText"];

	[commentsViewController reloadCommentsWithNewCommentsHighlight:NO autoScroll:NO animated:NO];
}

-(id) initWithFrame:(id)arg1{
	id orig = %orig;
	id commandView = [self commandView];

	UIButton *undeleteButton = [UIButton buttonWithType:UIButtonTypeCustom];
	[undeleteButton addTarget:self action:@selector(buttonAction) forControlEvents:UIControlEventTouchUpInside];

	UIImage* undeleteImage = [UIImage imageWithContentsOfFile:@"/var/mobile/Library/Application Support/TFDidThatSay/eye160dark.png"];

	[undeleteButton setImage:undeleteImage forState:UIControlStateNormal];

	[commandView setUndeleteButton:undeleteButton];
	[commandView addSubview:undeleteButton];

	return orig;
}

%end


%hook CommentCommandView
%property (assign, nonatomic) id undeleteButton;

-(void) layoutSubviews{
	%orig;

	UIButton *button = [self undeleteButton];

	button.frame = CGRectMake([[self overflowButton ] frame].origin.x - 32, 0, 32, 32);
}
%end

%end


static void loadPrefs(){
	NSMutableDictionary *prefs = [[NSMutableDictionary alloc] initWithContentsOfFile:@"/User/Library/Preferences/com.lint.undelete.prefs.plist"];

	if (prefs){
		isEnabled = [prefs objectForKey:@"isEnabled"] ? [[prefs objectForKey:@"isEnabled"] boolValue] : YES;
		isRedditEnabled = [prefs objectForKey:@"isRedditEnabled"] ? [[prefs objectForKey:@"isRedditEnabled"] boolValue] : YES;
		isTFDeletedOnly = [prefs objectForKey:@"isTFDeletedOnly"] ? [[prefs objectForKey:@"isTFDeletedOnly"] boolValue] : YES;
		pushshiftRequestTimeoutValue = [prefs objectForKey:@"requestTimeoutValue"] ? [[prefs objectForKey:@"requestTimeoutValue"] doubleValue] : 10;
	} else {
		isEnabled = YES;
		isRedditEnabled = 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];

	@try {
		NSArray *redditVersion = [[[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleShortVersionString"] componentsSeparatedByString:@"."];

		firstVersionPart = [redditVersion[0] intValue];
		secondVersionPart = [redditVersion[1] intValue];
	}
	@catch (NSException *exc) {
		firstVersionPart = 0;
		secondVersionPart = 0;
	}

	if ([processName isEqualToString:@"Reddit"]){
		if (isRedditEnabled && isEnabled) {

			CFNotificationCenterAddObserver(CFNotificationCenterGetDarwinNotifyCenter(), NULL, (CFNotificationCallback)prefsChanged, CFSTR("com.lint.undelete.prefs.changed"), NULL, CFNotificationSuspensionBehaviorCoalesce);

			if (firstVersionPart >= 2020 || (firstVersionPart == 4 && secondVersionPart > 32)) {
				%init(Reddit_v4_current);
			} else if (firstVersionPart == 4 && secondVersionPart <= 32) {
				%init(Reddit_v4_ios10);
			} else if (firstVersionPart == 3) {
				%init(Reddit_v3);
			}
		}
	}
}