import re

import requests


# (Keep Constants as is)
# --- Constants ---
DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"


def get_question() :
    questions_url = f"{DEFAULT_API_URL}/questions"

    print(f"Fetching questions from: {questions_url}")
    try:
        response = requests.get(questions_url, timeout=15)
        response.raise_for_status()
        questions_data = response.json()
        if not questions_data:
             print("Fetched questions list is empty.")
             return "Fetched questions list is empty or invalid format.", None
        print(f"Fetched {len(questions_data)} questions.")
        return questions_data
    except requests.exceptions.RequestException as e:
        print(f"Error fetching questions: {e}")
        return f"Error fetching questions: {e}", None
    except requests.exceptions.JSONDecodeError as e:
         print(f"Error decoding JSON response from questions endpoint: {e}")
         print(f"Response text: {response.text[:500]}")
         return f"Error decoding server response for questions: {e}", None
    except Exception as e:
        print(f"An unexpected error occurred fetching questions: {e}")
        return f"An unexpected error occurred fetching questions: {e}", None


def get_random_question():
    random_question_url = f"{DEFAULT_API_URL}/random-question"
    print(f"Fetching a random question from: {random_question_url}")
    try:
        response = requests.get(random_question_url, timeout=15)
        response.raise_for_status()
        questions_data = response.json()
        if not questions_data:
             print("Fetched questions list is empty.")
             return "Fetched questions list is empty or invalid format.", None
        return questions_data
    except requests.exceptions.RequestException as e:
        print(f"Error fetching a random question: {e}")
        return f"Error fetching a random question: {e}", None
    except requests.exceptions.JSONDecodeError as e:
         print(f"Error decoding JSON response from a random question endpoint: {e}")
         print(f"Response text: {response.text[:500]}")
         return f"Error decoding server response for a random question: {e}", None
    except Exception as e:
        print(f"An unexpected error occurred fetching a random question: {e}")
        return f"An unexpected error occurred fetching a random question: {e}", None


def get_file_by_task_id(task_id:str):
    file_by_task_id_url = f"{DEFAULT_API_URL}/files/{task_id}"
    print(f"Fetching a file from: {file_by_task_id_url}")
    try:
        response = requests.get(file_by_task_id_url, timeout=15)

        response.raise_for_status()
        content_disp = response.headers.get("Content-Disposition")
        file_name = re.findall('filename=(.+)', content_disp)
        questions_data = response.content
        if not questions_data or not file_name:
             print("No file to fetch.")
             return "No file to fetch.", None
        return questions_data, file_name[0].replace('"', '').strip()
    except requests.exceptions.RequestException as e:
        print(f"Error fetching a file: {e}")
        return f"Error fetching a file: {e}", None
    except requests.exceptions.JSONDecodeError as e:
         print(f"Error decoding JSON response from the file by task id endpoint: {e}")
         print(f"Response text: {response.text[:500]}")
         return f"Error decoding server response for the file by task id: {e}", None
    except Exception as e:
        print(f"An unexpected error occurred fetching a file: {e}")
        return f"An unexpected error occurred fetching a file: {e}", None