#!/bin/sh
# Neuron launcher: prefer the compiled binary from a local build,
# fall back to running from source under Bun.
SELF="$0"
while [ -L "$SELF" ]; do
  LINK="$(readlink "$SELF")"
  case "$LINK" in
    /*) SELF="$LINK" ;;
    *) SELF="$(dirname "$SELF")/$LINK" ;;
  esac
done
DIR="$(cd "$(dirname "$SELF")" && pwd)"
PKG="$DIR/.."
ARCH=$(uname -m)
case "$ARCH" in
  arm64) TARGET="opencode-darwin-arm64" ;;
  x86_64) TARGET="opencode-darwin-x64" ;;
  *) TARGET="" ;;
esac
if [ -n "$TARGET" ] && [ -x "$PKG/dist/$TARGET/bin/opencode" ]; then
  BIN="$PKG/dist/$TARGET/bin/opencode"
  # launch-integrity record: every run logs WHO ran and WHAT its fingerprint was
  LOG_DIR="${XDG_STATE_HOME:-$HOME/.local/state}"
  SUM=$(shasum -a 256 "$BIN" | cut -d" " -f1)
  mkdir -p "$LOG_DIR"
  echo "{\"t\":\"$(date -u +%FT%TZ)\",\"event\":\"launch\",\"bin\":\"$TARGET\",\"sha256\":\"$SUM\"}" >> "$LOG_DIR/neuron-guard.jsonl"
  exec "$BIN" "$@"
fi
exec bun run --conditions=browser "$PKG/src/index.ts" "$@"