distro=""
ubuntu="false"
debian="false"
arch="false"
fedora="false"
alpine="false"
opensuse="false"

# ─< ANSI color codes >───────────────────────────────────────────────────────────────────
RED='\033[0;31m'
CYAN='\033[0;36m'
YELLOW='\033[0;33m'
LIGHT_GREEN='\033[0;92m'
BOLD='\033[1m'
NC='\033[0m' # No Color

echo_error() {
  printf "${BOLD}${RED}ERROR: ${NC}${RED}%s${NC}\n" "$1" >&2
}

echo_info() {
  printf "${BOLD}${CYAN}INFO: ${NC}${CYAN}%s${NC}\n" "$1"
}

echo_warning() {
  printf "${BOLD}${YELLOW}WARNING: ${NC}${YELLOW}%s${NC}\n" "$1"
}

echo_note() {
  printf "${BOLD}${LIGHT_GREEN}NOTE: ${NC}${LIGHT_GREEN}%s${NC}\n" "$1"
}

# ─< Check if the given command exists silently >─────────────────────────────────────────
command_exists() {
  command -v "$@" >/dev/null 2>&1
}
silentexec() {
  echo_note "Refreshing repositories.."
  "$@" >/dev/null 2>&1
}

# ─< Check if the user is root and set sudo variable if necessary >───────────────────────
check_root() {
  if [ "$(id -u)" -ne 0 ]; then
    if command_exists sudo; then
      echo_info "User is not root. Using sudo for privileged operations."
      _sudo="sudo -E"
    else
      echo_error "No sudo found and you're not root! Can't install packages."
      return 1
    fi
  else
    echo_info "Root access confirmed."
    _sudo=""
  fi
}

# ─< Distribution detection and installation >────────────────────────────────────────
get_packager() {
  if [ -e /etc/os-release ]; then
    echo_info "Detecting distribution..."
    . /etc/os-release

    # ─< Convert $ID and $ID_LIKE to lowercase >──────────────────────────────────────────────
    ID=$(printf "%s" "$ID" | tr '[:upper:]' '[:lower:]')
    ID_LIKE=$(printf "%s" "$ID_LIKE" | tr '[:upper:]' '[:lower:]')

    case "$ID" in
    ubuntu | pop)
      ubuntu="true"
      distro="ubuntu"
      _install() { $_sudo apt-get install --assume-yes "$@"; }
      silentexec $_sudo apt-get update
      ;;
    debian)
      debian="true"
      distro="debian"
      _install() { $_sudo apt-get install --assume-yes "$@"; }
      silentexec $_sudo apt-get update
      ;;
    fedora)
      fedora="true"
      distro="fedora"
      _install() { $_sudo dnf install -y "$@"; }
      silentexec $_sudo dnf update
      ;;
    alpine)
      alpine="true"
      distro="alpine"
      _install() { $_sudo apk add "$@"; }
      silentexec $_sudo apk update
      ;;
    arch | manjaro | garuda | endeavour)
      arch="true"
      distro="arch"
      _install() {
        if command_exists paru; then
          echo_info "Using paru"
          paru -S --noconfirm "$@"
        elif command_exists yay; then
          echo_info "Using yay"
          yay -S --noconfirm "$@"
        else
          echo_warning "Using pacman"
          $_sudo pacman -S --noconfirm "$@"
        fi
      }
      if command_exists paru; then
        silentexec paru -Sy
      elif command_exists yay; then
        silentexec yay -Sy
      else
        silentexec $_sudo pacman -Sy
      fi
      ;;
    opensuse*)
      opensuse="true"
      distro="opensuse"
      _install() { $_sudo zypper in "$@"; }
      silentexec $_sudo zypper ref
      ;;
    *)
      if [ "${ID_LIKE#*debian}" != "$ID_LIKE" ]; then
        debian="true"
        distro="debian"
        _install() { $_sudo apt-get install --assume-yes "$@"; }
        silentexec $_sudo apt-get update
      elif [ "${ID_LIKE#*ubuntu}" != "$ID_LIKE" ]; then
        ubuntu="true"
        distro="ubuntu"
        _install() { $_sudo apt-get install --assume-yes "$@"; }
        silentexec $_sudo apt-get update
      elif [ "${ID_LIKE#*arch}" != "$ID_LIKE" ]; then
        arch="true"
        distro="arch"
        _install() { $_sudo pacman -S --noconfirm "$@"; }
        silentexec $_sudo pacman -Sy
      elif [ "${ID_LIKE#*fedora}" != "$ID_LIKE" ]; then
        fedora="true"
        distro="fedora"
        _install() { $_sudo dnf install -y "$@"; }
        silentexec $_sudo dnf update
      elif [ "${ID_LIKE#*suse}" != "$ID_LIKE" ]; then
        opensuse="true"
        distro="opensuse"
        _install() { $_sudo zypper in "$@"; }
        silentexec $_sudo zypper ref
      else
        echo_error "Unsupported distribution: $ID"
        exit 1
      fi
      ;;
    esac
  else
    echo_error "Unable to detect distribution. /etc/os-release not found."
    exit 1
  fi
}

if check_root; then
  get_packager &&
    if $arch; then
      echo "Arch it is.."
    elif $debian; then
      echo "Debian it is.."
    elif $ubuntu; then
      echo "Ubuntu it is.."
    elif $fedora; then
      echo "Fedora it is.."
    elif $opensuse; then
      echo "OpenSuse it is.."
    elif $alpine; then
      echo "Alpine it is.."
    fi

fi