#!/bin/bash

# Function to download game files based on version
download_game() {
  local version=$1
  local url
  local extract_path="~/.local/share/vintagestory_${version}"
  
  # Check if version contains a "-"
  if [[ $version == *"-"* ]]; then
    url="https://cdn.vintagestory.at/gamefiles/unstable/vs_server_linux-x64_${version}.tar.gz"
  else
    url="https://cdn.vintagestory.at/gamefiles/stable/vs_server_linux-x64_${version}.tar.gz"
  fi
  
  if [[ $version == *"-pre"* ]]; then
    url="https://cdn.vintagestory.at/gamefiles/pre/vs_server_linux-x64_${version}.tar.gz"
  fi

  # Check if extract path already exists and is not empty
  if [ -d "$extract_path" ] && [ ! -z "$(ls -A "$extract_path")" ]; then
    echo "Extract path $extract_path already exists and is not empty, skipping download."
    return
  fi

  # Download game files
  download_path="/vs_server_linux-x64_${version}"
  curl -k "$url" -o "${download_path}.tar.gz"

  # Extract and clean up
  mkdir -pv $extract_path
  cd $extract_path
  tar -xf "${download_path}.tar.gz" && rm -v "${download_path}.tar.gz"

  if [ $? -eq 0 ]
  then
    cd /
    echo "Successfully downloaded and extracted $version to $extract_path"
  else 
    rm -rf "$download_path"
    rm -rf "$extract_path"
    echo "Game version ${version} was not found. Something went wrong. Cleaning up artifacts..."
    cd /
  fi
}

# Call the function with version as argument (e.g. "1.20.12")

download_game "$1"