#!/usr/bin/env bash
set -euo pipefail

##
# toes installer
# Usage: curl -sSL https://toes.space/install | bash
# Must be run as the 'toes' user.

DEST=~/toes
REPO="https://git.nose.space/defunkt/toes"

quiet() { "$@" > /dev/null 2>&1; }

echo ""
echo "  ╔══════════════════════════════════╗"
echo "  ║ 🐾 toes - personal web appliance ║"
echo "  ╚══════════════════════════════════╝"
echo ""

# Must be running as toes
if [ "$(whoami)" != "toes" ]; then
  echo "ERROR: This script must be run as the 'toes' user."
  echo "Create the user during Raspberry Pi OS setup."
  exit 1
fi

# Must have passwordless sudo (can't prompt when piped from curl)
if ! sudo -n true 2>/dev/null; then
  echo "ERROR: This script requires passwordless sudo."
  echo "On Raspberry Pi OS, the default user has this already."
  exit 1
fi

# -- System packages --

echo ">> Updating system packages"
quiet sudo apt-get update
quiet sudo apt-get install -y git libcap2-bin avahi-utils fish unzip

echo ">> Setting fish as default shell"
if [ "$(getent passwd toes | cut -d: -f7)" != "/usr/bin/fish" ]; then
  quiet sudo chsh -s /usr/bin/fish toes
fi

# -- Bun --

BUN_REAL="$HOME/.bun/bin/bun"
BUN_SYMLINK="/usr/local/bin/bun"

if [ ! -x "$BUN_REAL" ]; then
  echo ">> Installing bun"
  curl -fsSL https://bun.sh/install | bash > /dev/null 2>&1
  if [ ! -x "$BUN_REAL" ]; then
    echo "ERROR: bun installation failed"
    exit 1
  fi
fi

if [ ! -x "$BUN_SYMLINK" ]; then
  sudo ln -sf "$BUN_REAL" "$BUN_SYMLINK"
fi

echo ">> Setting CAP_NET_BIND_SERVICE on bun"
sudo setcap 'cap_net_bind_service=+ep' "$BUN_REAL"

# -- Clone --

if [ ! -d "$DEST" ]; then
  echo ">> Cloning toes"
  git clone "$REPO" "$DEST"
else
  echo ">> Updating toes"
  cd "$DEST" && git pull origin main
fi

# -- Directories --

mkdir -p ~/data ~/apps

# -- Dependencies & build --

echo ">> Installing dependencies"
cd "$DEST" && bun install

echo ">> Building client"
cd "$DEST" && bun run build

# -- Bundled apps --

echo ">> Installing bundled apps"
BUNDLED_APPS="clock code cron env stats versions"
for app in $BUNDLED_APPS; do
  if [ -d "$DEST/apps/$app" ]; then
    if [ -d ~/apps/"$app" ]; then
      echo "   $app (exists, skipping)"
      continue
    fi
    echo "   $app"
    cp -r "$DEST/apps/$app" ~/apps/
    version_dir=$(ls -1 ~/apps/"$app" | grep -E '^[0-9]{8}-[0-9]{6}$' | sort -r | head -1)
    if [ -n "$version_dir" ]; then
      ln -sfn "$version_dir" ~/apps/"$app"/current
      (cd ~/apps/"$app"/current && bun install --frozen-lockfile) > /dev/null 2>&1 || true
    fi
  fi
done

# -- Systemd --

echo ">> Installing toes service"
sudo install -m 644 -o root -g root "$DEST/scripts/toes.service" /etc/systemd/system/toes.service
sudo systemctl daemon-reload
sudo systemctl enable toes

echo ">> Starting toes"
sudo systemctl restart toes

# -- Done --

echo ""
echo "  toes is installed and running!"
echo "  Visit: http://$(hostname).local"
echo ""