#!/usr/bin/env miaou-bash

# CONSTANTS

readonly REQUIRED_PKGS=(file jq vim)
readonly ORIGINAL="ORIGINAL"
readonly PREDEFINED_CONFIG_FILES=(/etc/bash.bashrc /etc/inputrc)

# FUNCTIONS

function required_packages {
  "$MIAOU_BASH_DIR/tools/idem_apt_install" "${REQUIRED_PKGS[@]}"
}

function no_more_skeleton {
  [[ -e /etc/skel/.bashrc ]] && rm /etc/skel/.bashrc && echo "skeleton .bashrc removed!"
  true
}

function predefine_config_files {
  for i in "${PREDEFINED_CONFIG_FILES[@]}"; do
    local miaou_file
    miaou_file="${MIAOU_BASH_DIR}/etc/$(basename "$i")"
    if [[ -L "$i" ]]; then
      if [[ "$(readlink "$i")" == "${miaou_file}" ]]; then
        echo "$i => MIAOU_BASH_DIR already set!"
      else
        ln -sf "${miaou_file}" "$i"
        echo "$i => MIAOU_BASH_DIR freshly defined."
      fi
    else
      mv "$i" "$i.$ORIGINAL"
      ln -s "${miaou_file}" "$i"
      echo "$i => MIAOU_BASH_DIR freshly defined + .ORIGINAL backuped"
    fi
  done
}

# MAIN

[ "$UID" -ne 0 ] && echo 'root privilege required' && exit 1

source "$MIAOU_BASH_DIR/lib/functions.bash"
required_packages
no_more_skeleton
predefine_config_files