#!/bin/bash

set -e

usage() {
  printf "%s\n" "Usage: $(basename "${0}") -u <steam username> -p <steam password>
  --username <steam username> | -u <steam username>
    Example:
      --username Sbinalla"
}

error() {
  printf "\n%s\n" "$1" >&2
  exit 1
}

confirmation() {
  while true; do
  read -p "${1}" -n 1 -r choice
  case "$choice" in
    y|Y ) return 1;;
    n|N ) return 0;;
    * ) echo -e "\nInput must be either y, Y, n, or N";;
  esac
done
}


while :; do
  case $1 in
    -h | -\? | --help)
      usage # Display a usage synopsis.
      exit
      ;;
    --) # End of all options.
      shift
      break
      ;;
    -u | --username)
      shift
      STEAMUSERNAME="${1}"
      ;;
    -?*)
      printf 'Unknown option: %s\n' "$1" >&2
      usage
      error
      ;;
    *) # Default case: No more options, so break out of the loop.
      break ;;
  esac
  shift
done

[[ "${STEAMUSERNAME}" == "" ]] && error "A steam username must be passed"

# Securely read password without echoing
stty -echo
printf "Enter the password for %s: " "${STEAMUSERNAME}"
read -r STEAMPASSWORD
stty echo
printf "\n"

[[ "${STEAMPASSWORD}" == "" ]] && error "A password for the steam account must be passed"


# Used to ensure a Steam directory is generated for userdata saving of account data
steamcmd +quit

# The below FEELS and LOOKS like bullshit, but steam does have output for the operation below.
# SteamCMD fails to return any exit code via the commands below and as such scripting it is a PITA and thus it
# stays like this.
steamcmd +login "${STEAMUSERNAME}" "${STEAMPASSWORD}" +quit