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

REPO_URL="${REPO_URL:-https://git.dr2.site/penguinehis/DragonCore-Modules.git}"
BRANCH="${BRANCH:-main}"
CONFIG_DIR="/etc/dragoncore-bridge"

if [ "$(id -u)" != "0" ]; then
  echo "Run as root."
  exit 1
fi

need_cmd() { command -v "$1" >/dev/null 2>&1; }

# If this updater is executed from an extracted repository, use the local files.
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" 2>/dev/null && pwd || true)"
if [ -n "$SCRIPT_DIR" ] && [ -f "$SCRIPT_DIR/install_bridge.sh" ] && [ -f "$SCRIPT_DIR/main.go" ]; then
  echo "Updating DragonCore Bridge from local source..."
  bash "$SCRIPT_DIR/install_bridge.sh" "$@"
  exit $?
fi

export DEBIAN_FRONTEND=noninteractive
if need_cmd apt-get; then
  apt-get update -y
  apt-get install -y ca-certificates curl git
elif need_cmd yum; then
  yum install -y ca-certificates curl git
elif need_cmd dnf; then
  dnf install -y ca-certificates curl git
fi

TMP_DIR="$(mktemp -d)"
cleanup() { rm -rf "$TMP_DIR"; }
trap cleanup EXIT

echo "Updating DragonCore Bridge from ${REPO_URL} (${BRANCH})..."
git clone --depth 1 --branch "$BRANCH" "$REPO_URL" "$TMP_DIR/src"

# install_bridge.sh preserves existing username/password/token and existing port
# unless --port is explicitly supplied. It also migrates accounts.json to SQLite.
bash "$TMP_DIR/src/install_bridge.sh" "$@"

if [ -f "$CONFIG_DIR/config.json" ]; then
  echo
  echo "Updated config: $CONFIG_DIR/config.json"
fi