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

cd "$(dirname "$0")"

SERVICE_NAME="slopbot"
SERVICE_FILE="${SERVICE_NAME}.service"
SYSTEMD_USER_DIR="${XDG_CONFIG_HOME:-$HOME/.config}/systemd/user"
SYSTEMD_SERVICE_PATH="${SYSTEMD_USER_DIR}/${SERVICE_FILE}"
NIX=(nix --extra-experimental-features 'nix-command flakes')

if [[ ! -f .zuliprc ]]; then
  echo "error: .zuliprc is missing. Copy .zuliprc.example and fill in bot credentials." >&2
  exit 1
fi

if [[ ! -f .env ]]; then
  cat > .env <<'EOF'
# Required by slop-search.
KAGI_API_KEY=

# Required by SLOPBOT_AGENT_MODEL=parasail/kimi-k26.
PARASAIL_API_KEY=

SLOPBOT_AGENT_MODEL=parasail/kimi-k26
SLOPBOT_WORKERS=4
SLOPBOT_AGENT_WORKERS=1
SLOPBOT_AGENT_TIMEOUT=120
SLOPBOT_AGENT_DEBUG=false
SLOPBOT_HISTORY_LIMIT=20
SLOPBOT_SYSTEM_PROMPT=prompts/system.md
EOF
  echo "created .env with slopbot defaults"
  echo "edit .env if agent needs provider keys or config before restarting again"
fi

echo "locking local flake inputs..."
"${NIX[@]}" flake lock

echo "running tests..."
./test.sh

echo "building slopbot..."
"${NIX[@]}" build .#slopbot

echo "installing user systemd unit to ${SYSTEMD_SERVICE_PATH}..."
mkdir -p "${SYSTEMD_USER_DIR}"
install -m 0644 "${SERVICE_FILE}" "${SYSTEMD_SERVICE_PATH}"

echo "reloading user systemd..."
systemctl --user daemon-reload

echo "enabling and restarting ${SERVICE_NAME}..."
systemctl --user enable "${SERVICE_NAME}"
systemctl --user restart "${SERVICE_NAME}"

echo "${SERVICE_NAME} status:"
systemctl --user --no-pager --full status "${SERVICE_NAME}"

echo
echo "follow logs with: journalctl --user -u ${SERVICE_NAME} -f"
echo "to keep it running after logout, run once: sudo loginctl enable-linger $USER"