// Copyright (C) 2003-2026, Foxit Software Inc..
// All Rights Reserved.
//
// http://www.foxitsoftware.com
//
// The following code is copyrighted and contains proprietary information and trade secrets of Foxit Software Inc..
// You cannot distribute any part of Foxit PDF SDK to any third party or general public,
// unless there is a separate license agreement with Foxit Software Inc. which explicitly grants you such rights.
//
// This file contains an example to demonstrate how to use Foxit PDF SDK to enumerate and modify bookmarks
// in PDF document.

#include "FSPDFObjC.h"

NSString *input_path = @"../input_files/";
NSString *output_path = @"../output_files/";

NSString* sn = @"bPxThFlBAYifO3yiW0C51bKbjPap1zHaf5aG5sX378TjFvB7Q0802A==";
NSString* key = @"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";

void ShowBookmarkInfo(FSBookmark *bookmark, NSMutableString *info, int depth) {
	if (depth > 32)
		return;
	if ([bookmark isEmpty]) {
		return;
	}
	for (int i = 0; i < depth; i++) {
		[info appendString:@"\t"];
	}
	[info appendString:[bookmark getTitle] ?: @""];
	[info appendString:[NSString stringWithFormat:@"\tcolor: 0x%x\n", [bookmark getColor]]];
	ShowBookmarkInfo([bookmark getFirstChild], info, depth + 1);
	ShowBookmarkInfo([bookmark getNextSibling], info, depth);
}

void ShowBookmarksInfo(FSPDFDoc *doc, NSString *info_path) {
	NSMutableString *info = [NSMutableString new];
	FSBookmark *root = [doc getRootBookmark];
	if (![root isEmpty]) {
		ShowBookmarkInfo(root, info, 0);
	} else {
		[info appendString:@"No bookmark information!\n"];
	}
	[[info dataUsingEncoding:NSUTF8StringEncoding] writeToFile:info_path atomically:YES];
}

int main(int argc, const char * argv[]) {
	
	@autoreleasepool {
		NSString *output_directory = [output_path stringByAppendingString:@"bookmark/"];
		
		NSFileManager *fileManager = [NSFileManager defaultManager];
		BOOL isDir = NO;
		if ([fileManager fileExistsAtPath:output_directory isDirectory:&isDir]) {
			if (!isDir) {
				NSError *error = nil;
				if (![fileManager removeItemAtPath:output_directory error:&error] || error) {
					return -1;
				}
				if (![fileManager createDirectoryAtPath:output_directory withIntermediateDirectories:YES attributes:nil error:&error] || error) {
					return -1;
				}
			}
		} else {
			NSError *error = nil;
			if (![fileManager createDirectoryAtPath:output_directory withIntermediateDirectories:YES attributes:nil error:&error] || error) {
				return -1;
			}
		}
		
		// Initialize library
		FSErrorCode errorCode = [FSLibrary initialize:sn key:key];
		if (errorCode != FSErrSuccess) {
			NSLog(@"Library Initialize Error: %ld", errorCode);
			return -1;
		}
		
		NSString *input_file = [input_path stringByAppendingPathComponent:@"AboutFoxit.pdf"];
		NSString *output_file1 = [output_directory stringByAppendingPathComponent:@"bookmark_add.pdf"];
		NSString *output_file2 = [output_directory stringByAppendingPathComponent:@"bookmark_change.pdf"];
		NSString *bookmark_info_file = [output_directory stringByAppendingPathComponent:@"bookmark_info.txt"];
		
		@try {
			
			FSPDFDoc *doc = [[FSPDFDoc alloc] initWithPath:input_file];
			FSErrorCode code = [doc load:nil];
			if (code != FSErrSuccess) {
				NSLog(@"The Doc [%@] Error: %d", input_file, (int)code);
				return 1;
			}
			
			// Show original bookmark information.
			ShowBookmarksInfo(doc, bookmark_info_file);
			
			// Get bookmark root node or Create new bookmark root node.
			FSBookmark *root = [doc getRootBookmark];
			if ([root isEmpty]) {
				root = [doc createRootBookmark];
			}
			for (int i = 0; i < [doc getPageCount]; i += 2) {
				FSDestination *dest = [FSDestination createFitPage:doc page_index:i];
				NSString *title = [NSString stringWithFormat:@"A bookmark to a page (index: %d)", i];
				FSBookmark *child = [root insert:title position:FSBookmarkPosLastChild];
				[child setDestination:dest];
				[child setColor:i * 0xF68C21];
			}
			[doc saveAs:output_file1 save_flags:FSPDFDocSaveFlagNoOriginal];
			
			// Get first bookmark and change properties.
			FSBookmark *first_bookmark = [root getFirstChild];
			[first_bookmark setStyle:FSBookmarkStyleItalic];
			[first_bookmark setColor:0xFF0000];
			[first_bookmark setTitle:@"Change bookmark title, style, and color"];
			
			// Remove next sibling bookmark
			if (![[first_bookmark getNextSibling] isEmpty]) {
				[doc removeBookmark:[first_bookmark getNextSibling]];
			}
			
			NSString *bookmark_info_file = [output_directory stringByAppendingPathComponent:@"bookmark_info1.txt"];
			ShowBookmarksInfo(doc, bookmark_info_file);
			
			[doc saveAs:output_file2 save_flags:FSPDFDocSaveFlagNoOriginal];
			NSLog(@"Bookmark demo.");
		}
		@catch (NSException *e) {
			NSLog(@"Unknown Exception, %@", e);
			return -1;
		}
	}
	[FSLibrary destroy];
	return 0;
}
