import assert from "node:assert/strict";
import { readFileSync } from "node:fs";
import test from "node:test";
import { createConsultationReplyMetadata, consultationReplyMetadataSchema } from "../src/lib/consultation-reply-metadata.ts";
import { parseAgentReply } from "../src/lib/agent-reply.ts";

test("server-owned metadata is a bounded title and nothing else", () => {
  const metadata = createConsultationReplyMetadata({ question: "未来的重点是什么？" });
  const parsed = consultationReplyMetadataSchema.parse(metadata);

  assert.deepEqual(Object.keys(parsed), ["title"]);
  assert.ok(parsed.title.length >= 6 && parsed.title.length <= 14);
  assert.doesNotMatch(parsed.title, /[\d\p{P}\p{S}]/u);
});

test("the schema rejects a suggestions field so the chips cannot come back through metadata", () => {
  assert.equal(
    consultationReplyMetadataSchema.safeParse({ title: "工作变化的重点是什么", suggestions: ["一", "二", "三"] }).success,
    false,
  );
});

test("server metadata wins over a model title and produces no suggestions", () => {
  const reply = parseAgentReply(
    [
      "回答正文",
      '<!--AYANAM_SUGGESTIONS:["模型问题一","模型问题二","模型问题三"]-->',
      "<!--AYANAM_TITLE:模型标题-->",
    ].join("\n"),
    createConsultationReplyMetadata({ question: "工作变化的重点是什么？" }),
  );

  assert.equal(reply.text, "回答正文");
  assert.equal(reply.title, "工作变化的重点是什么");
  assert.deepEqual(Object.keys(reply), ["text", "title"]);
});

test("no per-theme suggestion table survives anywhere in the reply pipeline", () => {
  // Two copies of the same ten-theme triplet used to exist; both are gone, and the
  // consult route must no longer attach a suggestions field to the stored message.
  const metadata = readFileSync(new URL("../src/lib/consultation-reply-metadata.ts", import.meta.url), "utf8");
  const parsing = readFileSync(new URL("../src/lib/agent-reply.ts", import.meta.url), "utf8");
  const route = readFileSync(new URL("../src/app/api/consult/route.ts", import.meta.url), "utf8");

  assert.doesNotMatch(metadata, /fallbackSuggestions|suggestions:/);
  assert.doesNotMatch(parsing, /fallbackSuggestions/);
  assert.doesNotMatch(route, /suggestions/);
});