import gradio as gr
import os
import json
from pathlib import Path
from transformers import AutoModelForSequenceClassification, AutoTokenizer
import logging
import hashlib

# Set up logging
logging.basicConfig(filename='remokode.log', level=logging.INFO)

# Load the Hugging Face model and tokenizer
model_name = "distilbert-base-uncased"
model = AutoModelForSequenceClassification.from_pretrained(model_name)
tokenizer = AutoTokenizer.from_pretrained(model_name)

# Define the chatbot function
def chatbot(message):
    """
    Handles user input and responds with a relevant message
    """
    try:
        inputs = tokenizer(message, return_tensors="pt")
        outputs = model(**inputs)
        response = tokenizer.decode(outputs.logits.argmax(-1), skip_special_tokens=True)
        return response
    except Exception as e:
        logging.error(f"Error in chatbot: {e}")
        return "Error: unable to process input"

# Define the terminal function
def terminal(command):
    """
    Executes a terminal command and returns the output
    """
    try:
        # Validate input command
        if not command.strip():
            return "Error: invalid command"
        # Execute command and return output
        output = os.popen(command).read()
        return output
    except Exception as e:
        logging.error(f"Error in terminal: {e}")
        return "Error: unable to execute command"

# Define the in-app-explorer function
def explorer(path):
    """
    Returns a list of files and directories in the given path
    """
    try:
        # Validate input path
        if not path.strip():
            return "Error: invalid path"
        # Return list of files and directories
        files = []
        for file in Path(path).iterdir():
            files.append(file.name)
        return json.dumps(files)
    except Exception as e:
        logging.error(f"Error in explorer: {e}")
        return "Error: unable to access path"

# Define the package manager function
def package_manager(command):
    """
    Manages packages and abilities for the chat app
    """
    try:
        # Validate input command
        if not command.strip():
            return "Error: invalid command"
        # Execute package manager command
        if command == "list":
            return "List of packages: [...]"
        elif command == "install":
            return "Package installed successfully"
        else:
            return "Error: invalid package manager command"
    except Exception as e:
        logging.error(f"Error in package manager: {e}")
        return "Error: unable to execute package manager command"

# Define the user authentication function
def authenticate(username, password):
    """
    Authenticates the user and returns a session token
    """
    try:
        # Validate input username and password
        if not username.strip() or not password.strip():
            return "Error: invalid username or password"
        # Authenticate user and return session token
        # (this is a placeholder, you should implement a secure authentication mechanism)
        session_token = hashlib.sha256(f"{username}:{password}".encode()).hexdigest()
        return session_token
    except Exception as e:
        logging.error(f"Error in authentication: {e}")
        return "Error: unable to authenticate user"

# Define the session management function
def manage_session(session_token):
    """
    Manages the user session and returns the session state
    """
    try:
        # Validate input session token
        if not session_token.strip():
            return "Error: invalid session token"
        # Manage session and return session state
        # (this is a placeholder, you should implement a secure session management mechanism)
        session_state = {"username": "user", "packages": ["package1", "package2"]}
        return session_state
    except Exception as e:
        logging.error(f"Error in session management: {e}")
        return "Error: unable to manage session"

# Create the Gradio interface
demo = gr.Interface(
    fn=chatbot,
    inputs="textbox",
    outputs="textbox",
    title="Remokode Chat App",
    description="A dev space chat app with terminal and in-app-explorer"
)

# Add a terminal component to the interface
terminal_component = gr.components.Textbox(label="Terminal")
demo.add_component(terminal_component, inputs="textbox", outputs="textbox", fn=terminal)

# Add an in-app-explorer component to the interface
explorer_component = gr.components.FileBrowser(label="In-App Explorer")
demo.add_component(explorer_component, inputs=None, outputs="json", fn=explorer)

# Add a package manager component to the interface
package_manager_component = gr.components.Textbox(label="Package Manager")
demo.add_component(package_manager_component, inputs="textbox", outputs="textbox", fn=package_manager)

# Add a user authentication component to the interface
authentication_component = gr.components.Textbox(label="Username")
password_component = gr.components.Textbox(label="Password", type="password")
demo.add_component(authentication_component, inputs=[authentication_component, password_component], outputs="textbox", fn=authenticate)

# Add a session management component to the interface
session_component = gr.components.Textbox(label="Session Token")
demo.add_component(session_component, inputs=[session_component], outputs="textbox", fn=manage_session)

# Launch the demo
demo.launch(share=True)