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

ORIG_USER=${SUDO_USER:-$(id -un)}

# 1. packages (Arch)
sudo pacman -Syq --needed --noconfirm git rustup protobuf gcc evtest

# 2. Rust tool-chain for both root & user
sudo rustup default stable
sudo -u "$ORIG_USER" rustup default stable

# 3. clone / update into a user-writable dir
SRC="$HOME/.local/src/navka"
if [[ -d $SRC/.git ]]; then
  sudo -u "$ORIG_USER" git -C "$SRC" pull --ff-only
else
  sudo -u "$ORIG_USER" git clone "$PWD" "$SRC"
fi

# 4. build
sudo -u "$ORIG_USER" bash -c "cd '$SRC/client' && cargo build --release"

# 5. install binary
install -Dm755 "$SRC/client/target/release/navka-client" "$HOME/.local/bin/navka-client"

# 6) Install the client binary
install -Dm755 client/target/release/navka-client  "$HOME/.local/bin/navka-client"

# 7) Create the user service file
mkdir -p "$HOME/.config/systemd/user"
cat >"$HOME/.config/systemd/user/navka-client.service" <<'EOF'
[Unit]
Description=Navka Client (keyboard/mouse → navka-server)
After=network-online.target
Wants=network-online.target

[Service]
ExecStart=%h/.local/bin/navka-client
Restart=on-failure

[Install]
WantedBy=default.target
EOF

# 8) (Optional) keep running when no session is active
loginctl enable-linger "$ORIG_USER"

# 9) Enable + start as *you*, not root
sudo -u "$ORIG_USER" systemctl --user daemon-reload
sudo -u "$ORIG_USER" systemctl --user enable --now navka-client.service