import os
import openai
import PyPDF2
import gradio as gr
import docx
from openai import AzureOpenAI

class CourseGenarator:
    def __init__(self):
        pass

    def extract_text_from_file(self,file_path):
        # Get the file extension
        file_extension = os.path.splitext(file_path)[1]

        if file_extension == '.pdf':
            with open(file_path, 'rb') as file:
                # Create a PDF file reader object
                reader = PyPDF2.PdfFileReader(file)

                # Create an empty string to hold the extracted text
                extracted_text = ""

                # Loop through each page in the PDF and extract the text
                for page_number in range(reader.getNumPages()):
                    page = reader.getPage(page_number)
                    extracted_text += page.extractText()
            return extracted_text

        elif file_extension == '.txt':
            with open(file_path, 'r') as file:
                # Just read the entire contents of the text file
                return file.read()

        elif file_extension == '.docx':
              doc = docx.Document(file_path)
              text = []
              for paragraph in doc.paragraphs:
                  text.append(paragraph.text)
              return '\n'.join(text)

        else:
            return "Unsupported file type"

    def response(self,resume_path):
        client = AzureOpenAI(api_key=os.getenv("AZURE_OPENAI_KEY"),  
                            api_version="2023-07-01-preview",
                            azure_endpoint = os.getenv("AZURE_OPENAI_ENDPOINT"),
                             azure_deployment = "GPT-3")
        
        resume_path = resume_path.name
        resume = self.extract_text_from_file(resume_path)


        # Create a conversation for the OpenAI chat API
        conversation = [
            {"role": "system", "content": "You are a Resume Summarizer."},
            {"role": "user", "content": f"""Analyze the Given Resume and Summarize {resume}"""}
        ]

        # Call OpenAI GPT-3.5-turbo
        chat_completion = client.chat.completions.create(
            model = "ChatGPT",
            messages = conversation,
            max_tokens=500,
            temperature=0
        )

        generated_text = chat_completion.choices[0].message.content

        return generated_text

    def gradio_interface(self):
      with gr.Blocks(css="style.css",theme="freddyaboulton/test-blue") as app:
            gr.HTML("""
            <center><h1 class ="center" style="color:#fff">ADOPLE AI</h1></center>
            <br><center><h1 style="color:#fff">Resume Summarizer</h1></center>""")
          
            with gr.Row(elem_id="col-container"):
              with gr.Column():
                resume = gr.File(label="Resume",elem_classes="heightfit")

              with gr.Column():
                analyse = gr.Button("Analyze")

              with gr.Column():
                result = gr.Textbox(label="Summarized",lines=8)

            analyse.click(self.response, [resume], result)
            print(result)

      app.launch(debug=True)

ques = CourseGenarator()
ques.gradio_interface()