#!/usr/bin/bash

# Install Python 3.10 and pip
echo -n "Checking for python3.10..."
if command -v python3.10 > /dev/null 2>&1; then
  echo "OK"
else
  read -p "Python3.10 is not installed. Would you like to install Python3.10? [Y/N] " choice
  if [ "$choice" = "Y" ] || [ "$choice" = "y" ]; then
    echo "Installing Python3.10..."
    sudo apt update
    sudo apt install -y python3.10 python3.10-venv
  else
    echo "Please install Python3.10 and try again."
    exit 1
  fi
fi

# Install venv module
echo -n "Checking for venv module..."
if python3.10 -m venv env > /dev/null 2>&1; then
  echo "OK"
else
  read -p "venv module is not available. Would you like to install it? [Y/N] " choice
  if [ "$choice" = "Y" ] || [ "$choice" = "y" ]; then
    echo "Installing venv module..."
    sudo apt update
    sudo apt install -y python3.10-venv
  else
    echo "Please install venv module and try again."
    exit 1
  fi
fi

# Create a new virtual environment
echo -n "Creating virtual environment..."
python3.10 -m venv env
if [ $? -ne 0 ]; then
  echo "Failed to create virtual environment. Please check your Python installation and try again."
  exit 1
else
  echo "OK"
fi

# Activate the virtual environment
echo -n "Activating virtual environment..."
source env/bin/activate
echo "OK"

# Install the required packages
echo "Installing requirements..."
export DS_BUILD_OPS=0
export DS_BUILD_AIO=0
python3.10 -m pip install pip --upgrade
python3.10 -m pip install -r requirements.txt

if [ $? -ne 0 ]; then
  echo "Failed to install required packages. Please check your internet connection and try again."
  exit 1
fi

echo Downloading latest model
wget -P models/  https://the-eye.eu/public/AI/models/nomic-ai/gpt4all/gpt4all-lora-quantized-ggml.bin
if [ $? -ne 0 ]; then
  echo "Failed to download model. Please check your `wget` dependency, internet connection and try again."
  exit 1
fi

echo "Virtual environment created and packages installed successfully."
exit 0