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

# Numbus Installer Bootstrap
# This script clones the repository and launches the NixOS deployment script.

REPO_URL="https://gittea.dev/numbus/numbus.git"
INSTALL_DIR="/run/user/$(id -u)/numbus-installer"
BRANCH="${BRANCH:-production}"

echo -e "\n ☁️ Initializing Numbus Installer..."

# 1. Check for Nix
TEST_FAIL=0

if [[ -r /etc/os-release ]] && grep -qi '^ID=nixos\b' /etc/os-release; then
  echo -e "\n ✅ NixOS system detected."
else
  TEST_FAIL=$((TEST_FAIL + 1))
  echo -e "\n ❌ You are not on a NixOS based system. This is required to continue."
fi

if [[ "$(uname -m)" == "x86_64" ]]; then
  echo -e "\n ✅ x86_64 system detected."
else
  TEST_FAIL=$((TEST_FAIL + 1))
  echo -e "\n ❌ You are not on a x86_64 based system. This is required to continue."
fi

if [[ ${TEST_FAIL} -gt 0 ]]; then
  COMPATIBILITY_OVERRIDE=$(gum choose --header "Some compatibility checks failed. The installation will VERY LIKELY fail. Continue ?" \
  "No" \
  "Yes, I know what I am doing")
  [[ "${COMPATIBILITY_OVERRIDE}" == "No" ]] && exit 1
  echo -e "\n ⚠️ Continuing anyways, this is not supported by Numbus."
fi

# 2. Clone/Update the repository
if [[ -e ${INSTALL_DIR}/config/* ]]; then
  echo " ⚠️ It seems you have already run this script. Previously generated files need to be cleaned up."
  OLD_CONFIG_PATH="${INSTALL_DIR}/trash/$(date +"%Y-%m-%d-%Hh%M")"
  mkdir -p ${OLD_CONFIG_PATH}
  mv ${INSTALL_DIR} ${OLD_CONFIG_PATH}
  echo " ✅ Your files have been moved to the ${OLD_CONFIG_PATH} directory. You can retrieve them there if needed."
else
  rm -rf "${INSTALL_DIR}"
fi

git clone -b "${BRANCH}" "${REPO_URL}" "${INSTALL_DIR}" -q

# 3. Launch the deployment script
cd "${INSTALL_DIR}/script"
chmod +x deploy.sh
./deploy.sh