import type { ThreadMessage } from "@rakazo/contracts";

export function isInterruptedStepMessage(message: ThreadMessage): boolean {
  if (
    message.blocks.some(
      (b) => b.kind === "meta" && /interrupted|cancelled|unterbrochen/i.test(b.text),
    )
  ) {
    return true;
  }
  const hasMeaningfulContent = message.blocks.some((b) => {
    if (b.kind === "text") {
      const trimmed = b.text.trim();
      return trimmed.length > 3 || (trimmed.length > 0 && /[.!?:]/.test(trimmed));
    }
    return (
      b.kind === "image" ||
      b.kind === "file" ||
      b.kind === "card" ||
      b.kind === "chart" ||
      b.kind === "skill_draft" ||
      b.kind === "mcp_approval"
    );
  });
  if (hasMeaningfulContent) {
    return false;
  }
  return message.blocks.some(
    (b) =>
      b.kind === "text" &&
      b.text.trim().length > 0 &&
      b.text.trim().length <= 3 &&
      !/[.!?:]/.test(b.text.trim()),
  );
}