#!/bin/bash
set -euo pipefail

DOTFILES_DIR="$(cd "$(dirname "$0")/.." && pwd)"
SETUP_DIR="$DOTFILES_DIR/setup"

# ===========================================================================
# Symlinks
# ===========================================================================

"$SETUP_DIR/symlinks"

# ===========================================================================
# Shell
# ===========================================================================

echo ""
echo "Setting up shell..."

FISH_PATH=$(command -v fish)
if [ -n "$FISH_PATH" ]; then
  grep -Fxq "$FISH_PATH" /etc/shells || echo "$FISH_PATH" | sudo tee -a /etc/shells
  [ "$SHELL" != "$FISH_PATH" ] && chsh -s "$FISH_PATH"
fi

mkdir -p ~/.ssh && chmod 700 ~/.ssh
mkdir -p ~/repos

# ===========================================================================
# Packages
# ===========================================================================

echo ""
if [ "$(uname)" = "Darwin" ]; then
  echo "Installing Homebrew packages..."

  # Homebrew 6+ refuses to load formulae from non-official taps until they're
  # trusted. Trust the taps the Brewfile declares so `brew bundle` doesn't fail.
  grep -oE '^tap "[^"]+"' "$DOTFILES_DIR/Brewfile" \
    | sed -E 's/^tap "([^"]+)"/\1/' \
    | while read -r tap; do brew trust --tap "$tap"; done

  brew bundle --file="$DOTFILES_DIR/Brewfile"
fi

# ===========================================================================
# Plugins (git submodules)
# ===========================================================================

echo ""
echo "Initialising submodules..."
git -C "$DOTFILES_DIR" submodule update --init --recursive

command -v bat >/dev/null && bat cache --build
command -v nvim >/dev/null && nvim --headless "+Lazy! sync" +qa

# ===========================================================================
# App icons
# ===========================================================================

if [ "$(uname)" = "Darwin" ]; then
  echo ""
  echo "Applying app icons..."
  "$SETUP_DIR/icons-apply"
fi

# ===========================================================================
# macOS defaults
# ===========================================================================

if [ "$(uname)" = "Darwin" ]; then
  echo ""
  echo "Applying macOS defaults..."
  macos-defaults apply "$SETUP_DIR/macos-defaults.d/"

  # Show the ~/Library folder
  chflags nohidden ~/Library

  # Reveal IP, hostname, OS version etc. when clicking the clock in the login window.
  # /Library/Preferences requires root, so this only runs when not already set.
  if [ "$(defaults read /Library/Preferences/com.apple.loginwindow AdminHostInfo 2>/dev/null)" != "HostName" ]; then
    sudo defaults write /Library/Preferences/com.apple.loginwindow AdminHostInfo HostName
  fi

  # Timezone — symlinking /etc/localtime requires root, so only when not already set.
  if [ "$(readlink /etc/localtime)" != "/var/db/timezone/zoneinfo/Europe/Amsterdam" ]; then
    sudo ln -sf /var/db/timezone/zoneinfo/Europe/Amsterdam /etc/localtime
  fi
fi

echo ""
echo "Done."