CHS Minutes, AGM, SGM - Old

  // Default modification always applied
  string defaultPrompts = @"Apply the following modification:
  Generate a professional and formal version of the meeting minutes in structured paragraphs. 
  Correct grammar, spelling, and sentence structure to make the minutes polished.
  Expand the meeting minutes into detailed descriptive paragraphs with complete context.";

  // Get user-selected modification type
  // string userPrompts = selectedPrompts switch
  // {
  //     "Summarize Notes" => "Summarize the meeting minutes into short points for quick reference.",
  //     "Expand Notes" => "Expand the meeting minutes into detailed descriptive paragraphs with complete context.",
  //     _ => "NA" // Default for None
  // };


  // Combine both instructions
  var instructions = new StringBuilder();
  instructions.AppendLine(defaultPrompts);
  // if (userPrompts != "NA")
  // {
  //     instructions.AppendLine(userPrompts);
  // }

  // Define system prompt
  // var systemPrompt = @"You are an assistant that enhances cooperative housing society meeting minutes. 
  // Always return polished, professional text in HTML format suitable for conversion to Word. 

  // Follow these formatting rules:
  // You are an assistant that enhances cooperative housing society meeting minutes. 

  // - Preserve the **original formatting** of the PDF exactly, including tables, spacing, and alignment.
  // - Only make the following modifications:
  // 1. Correct grammar and spelling.
  // 2. Expand notes if requested.
  // 3. Summarize notes if requested.
  // - Do not change table structures or layout.
  // - Return the output in **HTML format** suitable for Word, but mimic the PDF layout exactly.
  // - Avoid adding extra spaces, bullet points, or new tables.
  // ";

  var systemPrompt = @"You are an assistant that enhances cooperative housing society meeting minutes. Always return polished, professional text in html format suitable for conversion to Word.";

  // Upload PDF to OpenAI
  var pdfFilePath = "\\CHSReports\\Reports\\" + dbname + "\\" + "MC_Minutes.pdf"; ;
  using var multipartForm = new MultipartFormDataContent
  {
      { new StringContent("assistants"), "purpose" }, // purpose must be "assistants" as we have to use this file for next call
      { new StreamContent(File.OpenRead(pdfFilePath)), "file", Path.GetFileName(pdfFilePath) }
  };

  var uploadResponse = await _OpenAIHttpClient.PostAsync("v1/files", multipartForm);
  uploadResponse.EnsureSuccessStatusCode();
  var uploadJson = await uploadResponse.Content.ReadFromJsonAsync<OpenAIFileResponse>();

  var fileId = uploadJson!.id?.ToString();

  var requestBody = new
  {
      model = _model,
      input = new object[]
      {
          new
          {
    role = "system",
    content = systemPrompt
          },
          new
          {
    role = "user",
    content = new object[]
    {
        new { type = "input_text", text = instructions.ToString() },
        new { type = "input_file", file_id = fileId }
    }
          }
      }
  };

  // Call OpenAI endpoint
  var response = await _OpenAIHttpClient.PostAsJsonAsync("v1/responses", requestBody);

  if (!response.IsSuccessStatusCode)
  {
      var error = await response.Content.ReadAsStringAsync();
      Console.WriteLine($"OpenAI API Error: {error}");//why this need to do ?
      return string.Empty;
  }

  var openAIResponse = await response.Content.ReadFromJsonAsync<OpenAIResponseV2>();

  if (openAIResponse?.output?.Count > 0 && openAIResponse.output[0].content?.Count != null)
  {
      var htmlcode = openAIResponse.output[1].content[0].text.Trim();
      // htmlcode = htmlmessage.content.Trim();

      // --- Direct File Saving Logic ---
      Random rnd = new();
      var randomfilename = $"{rnd.Next(1000000000)}.html";
      string pathdirname = $"\\CHSReports\\Reports\\{dbname}";

      if (!Directory.Exists(pathdirname))
      {
          Directory.CreateDirectory(pathdirname);
      }

      string pathname = $"{pathdirname}\\{randomfilename}";
      await File.WriteAllTextAsync(pathname, htmlcode);
      return randomfilename; // Return the name of the file you just saved
  }
  await _OpenAIHttpClient.DeleteAsync($"v1/files/{fileId}");

  return string.Empty;