#!/usr/bin/env bash
# Install my dotfiles on a variety of systems

set -ex

echo "PWD: $PWD"
# Coder dotfiles (and most other ways of doing this) will not do a recursive clone, so do that in install script.
git submodule init && git submodule update
# Match case insensitively to make things easier for this part
shopt -s nocasematch

echo "Installing dotfiles..."

if [ "${CODER_TEMPLATE_TYPE}" == "Devcontainer" ]; then
  installers/install-nix.sh
  installers/install-nix-packages-flake.sh
  if [ -r "$HOME/.nix-profile/etc/profile.d/nix.sh" ]; then
    . "$HOME/.nix-profile/etc/profile.d/nix.sh"
  elif [ -r "${XDG_STATE_HOME:-$HOME/.local/state}/nix/profile/etc/profile.d/nix.sh" ]; then
    . "${XDG_STATE_HOME:-$HOME/.local/state}/nix/profile/etc/profile.d/nix.sh"
  fi
elif [ "${CODER_OS_FAMILY:-}" == "Ubuntu" ]; then
  echo "Detected OS as Ubuntu, using apt";
  sudo apt-get update;
  sudo apt-get install -y stow;
  installers/install-nix.sh
  if [ -r "$HOME/.nix-profile/etc/profile.d/nix.sh" ]; then
    . "$HOME/.nix-profile/etc/profile.d/nix.sh"
  elif [ -r "${XDG_STATE_HOME:-$HOME/.local/state}/nix/profile/etc/profile.d/nix.sh" ]; then
    . "${XDG_STATE_HOME:-$HOME/.local/state}/nix/profile/etc/profile.d/nix.sh"
  fi
elif [ -f /etc/os-release ]; then
  echo "Idenitfying OS to install GNU stow..."
  if grep -q -i debian /etc/os-release; then
    echo "Detected OS as Ubuntu, using apt";
    sudo apt-get update;
    sudo apt-get install -y stow;
  elif grep -q -i rhel /etc/os-release || grep -q -i fedora /etc/os-release; then
    echo "You've got RedHat (or maybe Fedora)! Which is unsupported right now sorry!";
    # sudo yum install -y stow;
    # sudo yum clean all;
    exit 1
  elif grep -q -i alpine /etc/os-release; then
    echo "You've got Alpine! Which is unsupported right now sorry!";
    exit 1;
    # apk add --no-cache jq curl;
  else
    echo "ERROR: Unable to identify OS!" 1>&2;
    exit 1;
  fi;
else
  echo "ERROR: Unable to find '/etc/os-release' information!" 1>&2;
  exit 1;
fi

shopt -u nocasematch

# Apply the dotfiles with stow
echo "Running apply dotfiles"
if which stow &> /dev/null; then
  ./apply-dotfiles
elif which nix &> /dev/null; then
  ./apply-dotfiles-nix
else
  echo "Tools for installing dotfiles are unavailable, failing..."
  exit 1
fi
echo "Dotfiles applied successfully"