#!/bin/env bash

if [[ "$(id -u)" -eq 0 ]]
then
  echo "Please, use an unprivileged user with sudo permissions instead of the root user to run this script properly."
  exit 1
fi

if [[ ! -x $(command -v pacman) ]]
then
  echo "Please, use this script with an Arch Linux operating system."
  exit 2
fi

if [[ ! -x "$(command -v sudo)" ]]
then
  echo "Sudo not found. Please install it using the following command:"
  echo "pacman -Syy sudo"
  exit 3
fi

if [[ ! -x "$(command -v ansible)" ]]
then
  echo "Ansible not found, installing..."
  if [[ ! "$(sudo pacman -Syy --noconfirm ansible)" ]]
    then

    echo "Installion failed."
    exit 4
  fi
fi

echo "Choose a configuration";

available_playbook_paths=$(ls ansible/*.yml)

for index in $(seq 1 ${#available_playbook_paths[@]})
do
  available_playbook_path="$(basename "${available_playbook_paths[$index - 1]}")"

  echo "$index - $available_playbook_path"
done

read -r -p "Choice: " index

choosen_playbook_path=${available_playbook_paths[$index - 1]}

if [[ -z $choosen_playbook_path ]]
then
  echo "Error: invalid index."
  exit 5
fi

echo "Installing needed Ansible packages..."

ansible-galaxy collection install --collections-path ansible/collections kewlfft.aur

echo "Done installing needed Ansible packages."
echo "Running choosen Ansible Playbook at $choosen_playbook_path..."

ansible-playbook --ask-become-pass --inventory ./ansible/hosts --module-path ansible/collections "$choosen_playbook_path"

echo "Done running choosen Ansible Playbook. If this is your first installation, you might want to reboot in order for the settings to take effect."