// 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 operate OFD outlines.

// Include Foxit SDK header files.
#include <iostream>
#if defined(_WIN32) || defined(_WIN64)
#include <direct.h>
#else
#include <sys/stat.h>
#endif

#include "common/fs_common.h"
#include "ofd/fs_ofdpackage.h"
#include "ofd/fs_ofddoc.h"
#include "ofd/fs_ofdoutline.h"
#include "ofd/fs_ofdaction.h"

using namespace std;
using namespace foxit;
using namespace foxit::common;
using foxit::common::Library;
using namespace foxit::ofd;

static const char* sn = "fpj42y0uOGt8cNp2iJUJdW5LNQGpJDawgJ5niOHYLl+0Emd0mMDhtA==";
static const char* key = "8f3gFsNtvW8N+Vea402IXXgHXIciB/Uw21sIKl1s0+MWvuGiCwz8VVTEwrNsIr1uDlREGorTmUmz7lEC6UcgWUsLrWhG6ezQc5PcgosYOpKsVTaOCyFdxIVCIj7QY9pjCyDgAV1S24QKmBz/ayQSbCepuRh2MBANca27kAN9Frb1qZXYI6Bmrr08YesEz5YKDHFyC04BbHhHiCKBeoQQXzf3O8KST9cFlArWUdIIz2/c3cMjj8uuxFiqVskJrKA1wxvsW4TzZEnDldm9Aye/mZIgHOhIlf8Hg1gIvnA0GCnWhUOs2UpRSFd8YuSnm0UPI7WR1K6vRdgeT/1sYh5bctEzdQh/0bMoN0LpciklqYPwpIFR8HU/zxfleXVwkxWKYkaPW7HxBAE6apzSd18nwRZ8fTsZjcYhTo64q4Jzukyr7m4ODp3tnWgrTgJKnTQYDEEEqK2cRA0ZIsKYTJoQ45gbVMpB7u7wLZ8kAIJbCmXrRPRh72fobCrlh67yJeH98JF8tB7pljmdGX7AD/0IDqtbcXcTUBxLskyaFPQHCuTzzMpLdoCxzGIsqVyobq7E3XKBC7kYcmdH79GwcsHl3BrYma1jTnRobtVOAWg9AgdI2yIhcZJSPrCn7SiQ4+73kbKHpQ2ekoZCF7Cwy6mQ3I+45yg1SLNB0K4YTtoz0t7FMDU1sLf0WsZ4GGlI67WdrOCrYKiXmHK/xjO5+20eR1nSYQlm3H/gyfCLHGdJtEzCB0K/ZwncTJ8ChQTdMHjtU5/rGK7BpDwbIewU2QItE935S9+BHfTQqcSlIvdiDlMtakKkfTCFkr5DUJPCD7XTxoaFN2s8fr9FvQPhhduKufiyl4Ds//jjiT0gRGSN6zDPfrEfJehqsSJgdqDOPlPHDCCj0BK34I8khlWiE8GVxb8qOWUXUfHY9eGLJgMkDiC6UtODXYCwEwNnrWpXGsQjuwtFmUBX7rtNrFr1uVqC1hmvo17a+cnvkRvKMuW9AxiFyak0WMVKT5zvzm9zBsBpAslZP17COOVYIhsDWnmVKt/i5AGFTCwlTlyqxi4RABXOhXHGRpTog+9wV6R2Z9VFjPSLDogFTcO5SkChkmQIKml+anIAnbLjll5Tgwgs7pqsAiCjetSJN0v3fLfcEeyonSnyN3s4VZrxYS1LE4S604EcW0O9gOXAVC6cmZDZkUvSfMh+UVj8pBhF7BSL6qUd5HEfObkL1SZkhh8EHFfe48elqVidbY3Lj9pq52rBnR03oWtUeMNkTYWncYTSzeTTP3jEnlbduUkKQOLVPdXAzPAfQ0FlB31RXm3a1y6VZcgNMsHF/WmPmd6Hwgc48+TUFY7XzLaBlEwcfolyAvFCfVOxO/m0b9pxEfCBYN7lhaMU9+Vjyujj15uCNDSpn4wcs32F2+wfY03pvsv+XMCrYZxvYYDHtw==";

#if defined(_WIN32) || defined(_WIN64)
static WString output_path = WString::FromLocal("../output_files/");
static WString input_path = WString::FromLocal("../input_files/");
#else
static WString output_path = WString::FromLocal("./output_files/");
static WString input_path = WString::FromLocal("./input_files/");
#endif

class SdkLibMgr {
public:
  SdkLibMgr() : is_initialize_(false) {};
  ErrorCode Initialize() {
    ErrorCode error_code = Library::Initialize(sn, key);
    if (error_code != foxit::e_ErrSuccess) {
      printf("Library Initialize Error: %d\n", error_code);
    } else {
      is_initialize_ = true;
    }
    return error_code;
  }
  ~SdkLibMgr() {
    if (is_initialize_)
      Library::Release();
  }
private:
  bool is_initialize_;
};

void PrintOutlineTree(Outline& outline, int level) {
  int count = outline.GetOutlineCount();
  for (int i = 0; i < count; i++) {
    Outline child = outline.GetOutline(i);
    if (!child.IsEmpty()) {
      String title = child.GetTitle();
      for (int j = 0; j < level; j++) cout << "  ";
      cout << "Outline[" << i << "]: title=\"" << (FX_LPCSTR)title << "\"";
      
      try {
        ActionDestinationInfo dest = child.GetDestination();
        cout << ", page_id=" << dest.page_id
          << ", left=" << dest.left
          << ", top=" << dest.top << endl;
      } catch (const Exception& e) {
        try {
          String uri = child.GetURI();
          cout << ", URI=\"" << (FX_LPCSTR)uri << "\"" << endl;
        } catch (const Exception& e) {
          cout << ", no destination or URI." << endl;
        }
      }

      // Recursively print child outlines
      PrintOutlineTree(child, level + 1);
    }
  }
}

int main(int argc, char* argv[])
{
  WString output_directory = output_path + L"ofd_outline/";
#if defined(_WIN32) || defined(_WIN64)
  _mkdir(String::FromUnicode(output_directory));
#else
  mkdir(String::FromUnicode(output_directory), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
#endif

  int err_ret = 0;
  SdkLibMgr sdk_lib_mgr;
  // Initialize library
  ErrorCode error_code = sdk_lib_mgr.Initialize();
  if (error_code != foxit::e_ErrSuccess) {
    return 1;
  }

  // Create outlines in OFD document
  try {
    cout << "Start: Create outlines in OFD document." << endl;
    {
      WString input_file = input_path + L"sample.ofd";
      WString output_file = output_directory + L"sample_outline_add.ofd";

      OFDPackage pkg(input_file);
      if (pkg.IsEmpty()) {
        cout << "Failed to open OFD package." << endl;
        return 1;
      }

      OFDDoc doc = pkg.LoadDocument(0, "");
      if (doc.IsEmpty()) {
        cout << "Failed to load OFD document." << endl;
        return 1;
      }

      // Create root outline
      Outline root_outline = doc.CreateOutline();
      if (root_outline.IsEmpty()) {
        cout << "Failed to create outline." << endl;
        err_ret = 1;
      } else {
        // Add first level outline nodes
        Outline chapter1 = root_outline.AddOutline();
        if (!chapter1.IsEmpty()) {
          chapter1.SetTitle("Chapter 1 - Introduction");
          chapter1.SetDestination(0, 0.0f, 0.0f);
          chapter1.EnableExpanded(true);
          cout << "Added outline 'Chapter 1 - Introduction'." << endl;

          // Add child outlines under chapter 1
          Outline section1_1 = chapter1.AddOutline();
          if (!section1_1.IsEmpty()) {
            section1_1.SetTitle("1.1 Overview");
            section1_1.SetDestination(0, 0.0f, 100.0f);
            cout << "Added sub-outline '1.1 Overview'." << endl;
          }

          Outline section1_2 = chapter1.AddOutline();
          if (!section1_2.IsEmpty()) {
            section1_2.SetTitle("1.2 Background");
            section1_2.SetDestination(0, 0.0f, 200.0f);
            cout << "Added sub-outline '1.2 Background'." << endl;
          }
        }

        Outline chapter2 = root_outline.AddOutline();
        if (!chapter2.IsEmpty()) {
          chapter2.SetTitle("Chapter 2 - Details");
          chapter2.SetDestination(0, 0.0f, 300.0f);
          chapter2.EnableExpanded(false);
          cout << "Added outline 'Chapter 2 - Details'." << endl;
        }

        // Add outline with URI
        Outline link_outline = root_outline.AddOutline();
        if (!link_outline.IsEmpty()) {
          link_outline.SetTitle("Foxit Website");
          link_outline.SetURI("https://www.foxitsoftware.com");
          cout << "Added outline 'Foxit Website' with URI." << endl;
        }

        cout << "Root outline count: " << root_outline.GetOutlineCount() << endl;

        bool save_result = pkg.SaveAs(output_file);
        if (save_result) {
          cout << "Saved OFD document with outlines successfully." << endl;
        } else {
          cout << "Failed to save OFD document with outlines." << endl;
          err_ret = 1;
        }
      }
    }
    cout << "End: Create outlines in OFD document." << endl;
  } catch (const Exception& e) {
    cout << e.GetMessage() << endl;
    err_ret = 1;
  }

  // Get and display outlines from OFD document
  try {
    cout << "Start: Get outlines from OFD document." << endl;
    {
      WString input_file = output_directory + L"sample_outline_add.ofd";

      OFDPackage pkg(input_file);
      if (pkg.IsEmpty()) {
        cout << "Failed to open OFD package for reading outlines." << endl;
        err_ret = 1;
      } else {
        OFDDoc doc = pkg.LoadDocument(0, "");
        if (doc.IsEmpty()) {
          cout << "Failed to load OFD document for reading outlines." << endl;
          err_ret = 1;
        } else {
          Outline root_outline = doc.GetOutline();
          if (root_outline.IsEmpty()) {
            cout << "No outlines found in the document." << endl;
            err_ret = 1;
          } else {
            cout << "Outline tree:" << endl;
            PrintOutlineTree(root_outline, 0);

            // Get URI from the link outline
            int count = root_outline.GetOutlineCount();
            if (count > 0) {
              Outline last = root_outline.GetOutline(count - 1);
              if (!last.IsEmpty()) {
                String uri = last.GetURI();
                cout << "Last outline URI: " << (FX_LPCSTR)uri << endl;
              }
            }
          }
        }
      }
    }
    cout << "End: Get outlines from OFD document." << endl;
  } catch (const Exception& e) {
    cout << e.GetMessage() << endl;
    err_ret = 1;
  }

  // Modify outlines in OFD document
  try {
    cout << "Start: Modify outlines in OFD document." << endl;
    {
      WString input_file = output_directory + L"sample_outline_add.ofd";
      WString output_file = output_directory + L"sample_outline_modify.ofd";

      OFDPackage pkg(input_file);
      if (pkg.IsEmpty()) {
        cout << "Failed to open OFD package for modifying outlines." << endl;
        err_ret = 1;
      } else {
        OFDDoc doc = pkg.LoadDocument(0, "");
        Outline root_outline = doc.GetOutline();
        if (!root_outline.IsEmpty()) {
          int count = root_outline.GetOutlineCount();
          if (count > 0) {
            // Modify first outline title and destination
            Outline first = root_outline.GetOutline(0);
            if (!first.IsEmpty()) {
              first.SetTitle("Chapter 1 - Introduction (Modified)");
              first.SetDestination(0, 10.0f, 20.0f);
              cout << "Modified outline[0] title and destination." << endl;
            }
          }

          bool save_result = pkg.SaveAs(output_file);
          if (save_result) {
            cout << "Saved modified OFD document successfully." << endl;
          } else {
            cout << "Failed to save modified OFD document." << endl;
            err_ret = 1;
          }
        }
      }
    }
    cout << "End: Modify outlines in OFD document." << endl;
  } catch (const Exception& e) {
    cout << e.GetMessage() << endl;
    err_ret = 1;
  }

  // Remove outlines from OFD document
  try {
    cout << "Start: Remove outlines from OFD document." << endl;
    {
      WString input_file = output_directory + L"sample_outline_add.ofd";
      WString output_file = output_directory + L"sample_outline_remove.ofd";

      OFDPackage pkg(input_file);
      if (pkg.IsEmpty()) {
        cout << "Failed to open OFD package for removing outlines." << endl;
        err_ret = 1;
      } else {
        OFDDoc doc = pkg.LoadDocument(0, "");
        Outline root_outline = doc.GetOutline();
        if (!root_outline.IsEmpty()) {
          int count = root_outline.GetOutlineCount();
          cout << "Outline count before removal: " << count << endl;

          if (count > 0) {
            // Remove the first outline node
            bool remove_result = root_outline.RemoveOutline(0);
            if (remove_result) {
              cout << "Removed outline[0] successfully." << endl;
            } else {
              cout << "Failed to remove outline[0]." << endl;
              err_ret = 1;
            }
          }

          int new_count = root_outline.GetOutlineCount();
          cout << "Outline count after removal: " << new_count << endl;

          bool save_result = pkg.SaveAs(output_file);
          if (save_result) {
            cout << "Saved OFD document after removing outline successfully." << endl;
          } else {
            cout << "Failed to save OFD document after removing outline." << endl;
            err_ret = 1;
          }
        }
      }
    }
    cout << "End: Remove outlines from OFD document." << endl;
  } catch (const Exception& e) {
    cout << e.GetMessage() << endl;
    err_ret = 1;
  }

  // Remove all outlines from OFD document
  try {
    cout << "Start: Remove all outlines from OFD document." << endl;
    {
      WString input_file = output_directory + L"sample_outline_add.ofd";
      WString output_file = output_directory + L"sample_outline_remove_all.ofd";

      OFDPackage pkg(input_file);
      if (pkg.IsEmpty()) {
        cout << "Failed to open OFD package." << endl;
        err_ret = 1;
      } else {
        OFDDoc doc = pkg.LoadDocument(0, "");
        bool remove_result = doc.RemoveOutline();
        if (remove_result) {
          cout << "Removed all outlines successfully." << endl;
        } else {
          cout << "Failed to remove all outlines." << endl;
          err_ret = 1;
        }

        // Verify outlines are removed
        Outline root_outline = doc.GetOutline();
        if (root_outline.IsEmpty()) {
          cout << "Verified: no outlines in document after removal." << endl;
        } else {
          cout << "Warning: outlines still exist after removal." << endl;
        }

        bool save_result = pkg.SaveAs(output_file);
        if (save_result) {
          cout << "Saved OFD document after removing all outlines successfully." << endl;
        } else {
          cout << "Failed to save OFD document." << endl;
          err_ret = 1;
        }
      }
    }
    cout << "End: Remove all outlines from OFD document." << endl;
  } catch (const Exception& e) {
    cout << e.GetMessage() << endl;
    err_ret = 1;
  }

  return err_ret;
}
