#!/usr/bin/env bash
set -e

BUN_DEBUG_BIN="build/debug/bun-debug"

# Save cursor position to restore later
if [[ -t 1 ]]; then
  tput sc
fi

build_if_needed() {
  bun run build
  local status=$?
  if [[ $status -eq 0 && -t 1 ]]; then
    tput rc
    tput ed
    tput sc
  fi
  return $status
}

# Build if executable missing
if [[ ! -f "$BUN_DEBUG_BIN" ]]; then
  build_if_needed
fi

# Check for newer source files
if [[ -f "$BUN_DEBUG_BIN" ]]; then
  if find src -type f \( -name '*.zig' -o -name '*.h' -o -name '*.cpp' \) -newer "$BUN_DEBUG_BIN" | grep -q . || \
     find src/js -type f \( -name '*.ts' -o -name '*.js' \) -newer "$BUN_DEBUG_BIN" | grep -q .; then
    build_if_needed
  fi
fi

# Environment variables
if [[ $(uname) == Darwin* ]]; then
  export MallocNanoZone=0
fi
: "${BUN_DEBUG_QUIET_LOGS:=0}"
: "${BUN_GARBAGE_COLLECTOR_LEVEL:=0}"
: "${BUN_INTERNAL_FEATURE_FLAG_FOR_TESTING:=1}"

exec "$BUN_DEBUG_BIN" "$@"