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

APP_DIR=/opt/okx-codex-trader
SERVICE=eth-nextgen-micro-observer.service

sudo useradd --system --create-home --shell /usr/sbin/nologin okxbot 2>/dev/null || true
sudo mkdir -p "$APP_DIR" /etc/okx-codex-trader
sudo rsync -a --delete \
  --exclude .git \
  --exclude .venv \
  --exclude .pytest_cache \
  --exclude var \
  ./ "$APP_DIR"/
sudo apt-get update
sudo apt-get install -y python3-venv
sudo python3 -m venv "$APP_DIR/.venv"
sudo "$APP_DIR/.venv/bin/python" -m pip install --upgrade pip
sudo "$APP_DIR/.venv/bin/python" -m pip install backtesting requests pandas pytest
sudo mkdir -p "$APP_DIR/var"
sudo chown -R okxbot:okxbot "$APP_DIR"

if [ ! -f /etc/okx-codex-trader/okx.env ]; then
  sudo tee /etc/okx-codex-trader/okx.env >/dev/null <<'ENV'
OKX_TRADING_ENV=live
OKX_API_KEY=
OKX_API_SECRET=
OKX_API_PASSPHRASE=
ENV
  sudo chmod 600 /etc/okx-codex-trader/okx.env
fi

sudo install -m 0644 "$APP_DIR/deploy/$SERVICE" "/etc/systemd/system/$SERVICE"
sudo systemctl daemon-reload
sudo systemctl enable "$SERVICE"
sudo systemctl restart "$SERVICE"
sudo systemctl status "$SERVICE" --no-pager