// 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.

const FSDK = require("@fuxinsoft/foxit-pdf-sdk-node");
const fs = require('fs');
const os = require('os');
const path = require('path');
const util = require('util');

var sn = "Rew1vB0TqoMIxX444UcpScARWdhgJpsJfzmyMLR32a0+EgrCjp2NaQ==";
var key = "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";

const input_path = "../input_files/";
const output_path = "../output_files/";

class TextDoc {
  constructor(file_name, file_mode) {
    this.file_name = file_name;
    this.file_mode = file_mode;
    this.file_stream = fs.openSync(file_name, file_mode);
    if (!this.file_stream) {
      throw new Error('Cannot open file');
    }
  }
  Write(format, ...args) {
    if(!this.file_stream) 
      throw new Error("File not opened");
    let formatted_string = util.format(format, ...args);
    let buffer = new Buffer.from(formatted_string, 'utf-8');
    fs.writeSync(this.file_stream, buffer, 0, buffer.length);
  }
  WriteWithPrefix(count, prefix, format, ...args){
    for (let i = 0; i < count; i++) {
      this.Write(prefix);
    }
    this.Write(format, ...args);
  }
  Close() {
    fs.closeSync(this.file_stream);
    this.file_stream = null;
  }
}

class MyComplianceProgressCallback {
  constructor(output_txt_file_path) {
    this.text_doc_ = new TextDoc(output_txt_file_path, "w");
  }

  Release() { }

  UpdateCurrentStateData(current_rate, current_state_string) {
    console.log("Current rate:", current_rate);
    let temp_string = `Current rate:${current_rate}, state str:`;
    this.text_doc_.Write(temp_string);
    this.text_doc_.Write(current_state_string);
    this.text_doc_.Write("\r\n");
  }
}

let error_code = FSDK.Library.Initialize(sn, key);
if (FSDK.e_ErrSuccess != error_code) {
  if (FSDK.e_ErrInvalidLicense == error_code)
    console.log("[Failed] Current used Foxit PDF SDK key information is invalid.");
  else
    console.log("Library Initialize Error: %d", FSDK.e_ErrSuccess);
  return;
}

let input_file = input_path + "AboutFoxit.pdf";
let output_directory = output_path + "preflight/";

if (!fs.existsSync(output_directory)) {
  fs.mkdirSync(output_directory);
}

function ListPreflightKeys(preflight, library_type, operate_type) {
  let group_arr = preflight.GetGroupNamesArray(library_type, operate_type);
  for (let i = 0; i < group_arr.GetSize(); i++){
    console.log("Group name: %s",group_arr.GetAt(i));
    let item_array = preflight.GetItemKeysArray(group_arr.GetAt(i))
    console.log("    Item count: %d",item_array.GetSize());
    for (let j = 0; j < item_array.GetSize();j++){
      console.log("    Item name: %s",item_array.GetAt(j));
    }
  }
}

function AnalyzeAndFixup(preflight, operate_type, preflight_key, is_fixed) {
    let setting_data = new FSDK.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";
    let fixpath = output_directory + "AboutFoxit_" + preflight_key + "_fixed.pdf";
    setting_data.saved_pdf_path = fixpath;
    let progress_callback = new MyComplianceProgressCallback(output_directory + "AboutFoxit_" + preflight_key + "_progress.txt");
    let convert_progress_callback = new FSDK.ProgressCallback(progress_callback);
    if (is_fixed)
        preflight.AnalyzeAndFixup(setting_data, convert_progress_callback);
    else
        preflight.Analyze(setting_data, convert_progress_callback);
}

function GenerateReport(preflight, format_type, preflight_key) {
    let report_setting_data = new FSDK.PreflightReportSettingData()
    report_setting_data.report_file_format_type = format_type;
    let 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 = FSDK.PreflightReportSettingData.e_ProblemsHighlightMethodTransparentMasks;
    preflight.GenerateReport(report_setting_data, null);
}

try {
  // "compliance_resource_folder_path" is the path of compliance resource folder. Please refer to Developer Guide for more details.
  let 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.
  let compliance_engine_unlockcode = "";

  if (compliance_resource_folder_path == "") {
    console.log("compliance_resource_folder_path is still empty. Please set it with a valid path to compliance resource folder path.");
    return 1;
  }

  // Initialize compliance engine.
  error_code = FSDK.ComplianceEngine.Initialize(compliance_resource_folder_path, compliance_engine_unlockcode);
  if (error_code != FSDK.e_ErrSuccess) {
    switch (error_code) {
    case FSDK.e_ErrInvalidLicense:
      console.log("[Failed] Compliance module is not contained in current Foxit PDF SDK keys.\n");
      break;
    default:
      console.log("[Failed] Fail to initialize compliance engine. Error: %d\n", error_code);
      break;
    }
    return 1;
  }
  console.log("ComplianceEngine is initialized.");

  // Set custom temp folder path for ComplianceEngine. 
  //FSDK.ComplianceEngine.SetTempFolderPath("");
  // Set languages. If not set language to ComplianceEngine, "English" will be used as default.
  //FSDK.ComplianceEngine.SetLanguage("Chinese-Simplified");
  {
    let preflight = new FSDK.Preflight();
    // List all Foxit preflight keys.
    console.log("Library Type: Foxit, Operate Type: Profiles");
    ListPreflightKeys(preflight, FSDK.PreflightSettingData.e_LibraryTypeFoxit, FSDK.PreflightSettingData.e_OperateTypeProfiles);
    console.log("Library Type: Foxit, Operate Type: Checks");
    ListPreflightKeys(preflight, FSDK.PreflightSettingData.e_LibraryTypeFoxit, FSDK.PreflightSettingData.e_OperateTypeSingleChecks);
    console.log("Library Type: Foxit, Operate Type: Fixups");
    ListPreflightKeys(preflight, FSDK.PreflightSettingData.e_LibraryTypeFoxit, FSDK.PreflightSettingData.e_OperateTypeSingleFixups);
      
    let is_fixup = false;
    // Analyze and fixup a PDF file.
    console.log("== Profiles. ==");
    is_fixup = preflight.CanFixup("pppp_ConverttoPDFA1a");
    AnalyzeAndFixup(preflight, FSDK.PreflightSettingData.e_OperateTypeProfiles, "pppp_ConverttoPDFA1a", is_fixup);
    GenerateReport(preflight, FSDK.PreflightReportSettingData.e_ReportFileFormatTypePdf, "pppp_ConverttoPDFA1a");
    
    // Analyze a PDF file.
    console.log("== Single Checks.==");
    AnalyzeAndFixup(preflight, FSDK.PreflightSettingData.e_OperateTypeSingleChecks, "R_6_Annotationinsidepagearea", false);
    GenerateReport(preflight, FSDK.PreflightReportSettingData.e_ReportFileFormatTypePdf, "R_6_Annotationinsidepagearea");
    
    //Fixup a PDF file.
    console.log("== Single Fixups. ==");
    AnalyzeAndFixup(preflight, FSDK.PreflightSettingData.e_OperateTypeSingleFixups, "F_9_RemoveXMPMetadataifnotcompliantwithPDFA1", true);
    GenerateReport(preflight, FSDK.PreflightReportSettingData.e_ReportFileFormatTypePdf, "F_9_RemoveXMPMetadataifnotcompliantwithPDFA1");
    //Release compliance engine.
  }
  FSDK.ComplianceEngine.Release();
  console.log("== End: Preflight demo. ==")

} catch (e) {
  console.log(e)
}
FSDK.Library.Release();

