// 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 get preflight keys and analyze or fixup PDF file.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;

using foxit;
using foxit.common;
//using foxit.common.fxcrt;
using foxit.addon.compliance;
using System.Runtime.InteropServices;

namespace preflightCS
{
    class TextDoc 
    {
        private FileStream mfile_stream;
        public TextDoc(string file_name, FileMode fill_mode)
        {
            mfile_stream = new FileStream(file_name, fill_mode);
        }
        ~TextDoc()
        {
            try
            {
                mfile_stream.Flush();
                mfile_stream.Close();
            }
            catch (System.ObjectDisposedException e)
            {
                string str = e.Message;
            }
            
        }
        public void Write(string contents)
        {
            if (null == contents) return;
            byte[] byte_data = Encoding.Default.GetBytes(contents);
            // Move file pointer to the end of file.
            mfile_stream.Seek(0, SeekOrigin.End);
            mfile_stream.Write(byte_data, 0, byte_data.Length);
            mfile_stream.Flush();
        }
        public string Read()
        {
            int fs_len = (int)mfile_stream.Length;
            byte[] byte_data = new byte[fs_len];
            int r = mfile_stream.Read(byte_data, 0, byte_data.Length);
            string contents = System.Text.Encoding.UTF8.GetString(byte_data);
            return contents;
        }
    };

    class MyComplianceProgressCallback : ProgressCallback
    {
        private TextDoc text_doc_ = null;

        public MyComplianceProgressCallback(string output_txt_file_path)
        {
            this.text_doc_ = new TextDoc(output_txt_file_path, FileMode.Create);
        }

        public override void Release()
        {

        }

        public override void UpdateCurrentStateData(int current_rate, string current_state_string)
        {
            Console.WriteLine("Current rate:{0}", current_rate);

            text_doc_.Write(string.Format("Current rate:{0}, state str:{1}\r\n", current_rate, current_state_string));
            text_doc_.Write("\r\n");
        }

    }

    class preflight
    {
        public static string input_path = "../input_files/";
        public static string output_directory = "../output_files/preflight/";
        public static void ListPreflightKeys(Preflight preflight, PreflightSettingData.LibraryType library_type, PreflightSettingData.OperateType operate_type) {
            StringArray group_arr = preflight.GetGroupNamesArray(library_type, operate_type);
            for (uint i = 0; i < group_arr.GetSize(); i++) {
                Console.WriteLine("Group name: {0}", group_arr.GetAt(i));
                StringArray item_array = preflight.GetItemKeysArray(group_arr.GetAt(i));
                Console.WriteLine("    Item count: {0}", item_array.GetSize());
                for (uint j = 0; j < item_array.GetSize(); j++) {
                    Console.WriteLine("    Item name: {0}",item_array.GetAt(j));
                }
            }
        }

        public static void AnalyzeAndFixup(Preflight preflight, PreflightSettingData.OperateType operate_type, String preflight_key, bool is_fixed) {
          PreflightSettingData setting_data = new PreflightSettingData();
          setting_data.operate_type = operate_type;
          setting_data.preflight_key = preflight_key;
          setting_data.first_page_index = 0;
          setting_data.src_pdf_path = input_path + "AboutFoxit.pdf";
          String fixpath = output_directory + "AboutFoxit_" + preflight_key + "_fixed.pdf";
          setting_data.saved_pdf_path = fixpath;
          MyComplianceProgressCallback callback = new MyComplianceProgressCallback(output_directory + "AboutFoxit_" + preflight_key + "_progress.txt");
          if (is_fixed)
            preflight.AnalyzeAndFixup(setting_data, callback);
          else
            preflight.Analyze(setting_data, callback);
        }
        public static void GenerateReport(Preflight preflight, PreflightReportSettingData.ReportFileFormatType format_type, String preflight_key) {
          PreflightReportSettingData report_setting_data = new PreflightReportSettingData();
          report_setting_data.report_file_format_type = format_type;
          String path = output_directory + "AboutFoxit_" + preflight_key + "_report.pdf";
          report_setting_data.report_file_path = path;
          report_setting_data.to_generate_overview = true;
          report_setting_data.to_highlight_problems = true;
          report_setting_data.problems_highlight_method = PreflightReportSettingData.ProblemsHighlightMethod.e_ProblemsHighlightMethodTransparentMasks;
          preflight.GenerateReport(report_setting_data, null);
        }
        static void Main(string[] args)
        {
            System.IO.Directory.CreateDirectory(output_directory);

            string sn = "Rew1vB0TqoMIxX444UcpScARWdhgJpsJfzmyMLR32a0+EgrCjp2NaQ==";
            string key = "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";
            // Initialize library
            ErrorCode error_code = Library.Initialize(sn, key);
            if (error_code != ErrorCode.e_ErrSuccess)
            {
                Console.WriteLine("Library Initialize Error: {0}", error_code);
                return;
            }

            try
            {
                string input_file = input_path + "AboutFoxit.pdf";
                // "compliance_resource_folder_path" is the path of compliance resource folder. Please refer to Developer Guide for more details.
                string compliance_resource_folder_path = "";
                // If you use an authorization key for Foxit PDF SDK, please set a valid unlock code string to compliance_engine_unlockcode for ComplianceEngine.
                // If you use an trial key for Foxit PDF SDK, just keep compliance_engine_unlockcode as an empty string.
                string compliance_engine_unlockcode = "";

                if (compliance_resource_folder_path.Length < 1) {
                  Console.WriteLine("compliance_resource_folder_path is still empty. Please set it with a valid path to compliance resource folder path.");
                  return ;
                }
                // Initialize compliance engine.
                error_code = ComplianceEngine.Initialize(compliance_resource_folder_path, compliance_engine_unlockcode);
                if (error_code != ErrorCode.e_ErrSuccess) {
                  switch (error_code) {
                      case ErrorCode.e_ErrInvalidLicense:
                          Console.WriteLine("[Failed] Compliance module is not contained in current Foxit PDF SDK keys.");
                        break;
                    default:
                        Console.WriteLine("[Failed] Fail to initialize compliance engine. Error: {0}", error_code);
                        break;
                  }
                  return ;
                }
                Console.WriteLine("ComplianceEngine is initialized.");
                using (Preflight preflight = new Preflight()) {
                    // List all Foxit preflight keys.
                    Console.WriteLine("Library Type: Foxit, Operate Type: Profiles");
                    ListPreflightKeys(preflight, PreflightSettingData.LibraryType.e_LibraryTypeFoxit, PreflightSettingData.OperateType.e_OperateTypeProfiles);
                    Console.WriteLine("Library Type: Foxit, Operate Type: Checks");
                    ListPreflightKeys(preflight, PreflightSettingData.LibraryType.e_LibraryTypeFoxit, PreflightSettingData.OperateType.e_OperateTypeSingleChecks);
                    Console.WriteLine("Library Type: Foxit, Operate Type: Fixups");
                    ListPreflightKeys(preflight, PreflightSettingData.LibraryType.e_LibraryTypeFoxit, PreflightSettingData.OperateType.e_OperateTypeSingleFixups);

                    bool is_fixup = false;
                    // Analyze and fixup a PDF file.
                    Console.WriteLine("== Profiles. ==");
                    is_fixup = preflight.CanFixup("pppp_ConverttoPDFA1a");
                    AnalyzeAndFixup(preflight, PreflightSettingData.OperateType.e_OperateTypeProfiles, "pppp_ConverttoPDFA1a", is_fixup);
                    GenerateReport(preflight, PreflightReportSettingData.ReportFileFormatType.e_ReportFileFormatTypePdf, "pppp_ConverttoPDFA1a");

                    // Analyze a PDF file.
                    Console.WriteLine("== Single Checks.==");
                    AnalyzeAndFixup(preflight, PreflightSettingData.OperateType.e_OperateTypeSingleChecks, "R_6_Annotationinsidepagearea", false);
                    GenerateReport(preflight, PreflightReportSettingData.ReportFileFormatType.e_ReportFileFormatTypePdf, "R_6_Annotationinsidepagearea");

                    //Fixup a PDF file.
                    Console.WriteLine("== Single Fixups. ==");
                    AnalyzeAndFixup(preflight, PreflightSettingData.OperateType.e_OperateTypeSingleFixups, "F_9_RemoveXMPMetadataifnotcompliantwithPDFA1", true);
                    GenerateReport(preflight, PreflightReportSettingData.ReportFileFormatType.e_ReportFileFormatTypePdf, "F_9_RemoveXMPMetadataifnotcompliantwithPDFA1");
                    // Release compliance engine.
                    ComplianceEngine.Release();

                    Console.WriteLine("== End: Preflight demo. ==");
                }
            }
            catch (foxit.PDFException e)
            {
                Console.WriteLine(e.Message);
            }

            Library.Release();
        }
    }
}
