#!/usr/bin/env bash
# Cadmus installer — wires up the spell picker + Right Alt hotkey via keyd.
#
# Re-runnable. Needs sudo for steps that touch /usr/local and /etc.

set -euo pipefail

REPO_DIR="$(cd "$(dirname "$0")" && pwd)"
USER_NAME="${SUDO_USER:-$USER}"

bold() { printf '\033[1m%s\033[0m\n' "$*"; }

bold "==> Checking runtime dependencies"
missing=()
for bin in fuzzel hunspell wl-copy wl-paste notify-send; do
    if ! command -v "$bin" >/dev/null; then
        missing+=("$bin")
    fi
done
if (( ${#missing[@]} )); then
    echo "Missing: ${missing[*]}"
    echo "On Fedora try: sudo dnf install fuzzel hunspell hunspell-en-US wl-clipboard libnotify"
    exit 1
fi

bold "==> Installing scripts to /usr/local/bin"
sudo install -D -m 755 "$REPO_DIR/bin/cadmus"        /usr/local/bin/cadmus
sudo install -D -m 755 "$REPO_DIR/bin/cadmus-launch" /usr/local/bin/cadmus-launch

if ! command -v keyd >/dev/null; then
    bold "==> keyd not found — building from source"
    BUILD_DIR="${TMPDIR:-/tmp}/cadmus-keyd-build"
    rm -rf "$BUILD_DIR"
    git clone --depth 1 https://github.com/rvaiya/keyd.git "$BUILD_DIR"
    make -C "$BUILD_DIR" -j"$(nproc)"
    sudo make -C "$BUILD_DIR" install
fi

bold "==> Installing keyd config"
TMP_CONF="$(mktemp)"
sed "s/__USER__/${USER_NAME}/g" "$REPO_DIR/keyd/cadmus.conf" > "$TMP_CONF"
sudo install -D -m 644 "$TMP_CONF" /etc/keyd/cadmus.conf
rm -f "$TMP_CONF"

bold "==> Enabling and (re)starting keyd"
sudo systemctl enable --now keyd
sudo keyd reload 2>/dev/null || sudo systemctl restart keyd

bold "==> Done"
cat <<'EOF'

Tap Right Alt to open the spell picker.
Hold Right Alt to keep normal AltGr.

Pick a word -> it lands on your clipboard, ready to paste.

Tip: highlight a word first; the popup opens with that word prefilled.
EOF