#!/usr/bin/env bash

# Store the first command line argument in the variable "command" and shift the rest
command_args="$1"
shift

# Evaluate the command arguments
if [ "$command_args" = "search" ]; then
  command="pacman"
  command_args="-Ss"
elif [ "$command_args" = "update" ]; then
  command="pacman"
  command_args="-Sy"
  su_needed=true
elif [ "$command_args" = "upgradable" ]; then
  command="pacman"
  command_args="-Qu"
elif [ "$command_args" = "upgrade" ]; then
  command="pacman"
  command_args="-Syu"
  su_needed=true
elif [ "$command_args" = "install" ]; then
  command="pacman"
  command_args="-S"
  su_needed=true
elif [ "$command_args" = "provides" ]; then
  command="pacman"
  command_args="-F"
elif [ "$command_args" = "config" ]; then
  command="nano"
  command_args="/etc/pacman.conf"
  su_needed=true
else
  echo "Invalid command: \"$command_args\""
  echo
  echo "Usage: pman <command> [args...]"
  echo "Available commands:"
  echo "  search     - pacman -Ss       | search packages"
  echo "  update     - pacman -Sy       | updates the repositories"
  echo "  upgradable - pacman -Qu       | list available upgrades"
  echo "  upgrade    - pacman -Syu      | upgrades your system"
  echo "  provides   - pacman -F        | list packages that provide file"
  echo "  config     - /etc/pacman.conf | edits pacman configuration"
  exit 1
fi

# If sudo is needed and necessary (and installed), prepend it
if [ "$su_needed" = "true" ] && [ "$UID" != 0 ] && command -v "sudo" &>/dev/null; then
  sudo $command $command_args "${@}"
else
  $command $command_args "${@}"
fi