import assert from "node:assert/strict";
import test from "node:test";
import {
  extractPreferencesFromText,
  getPreferencesFilePath,
  renderPreferencesDocument,
  upsertPreferencesDocument
} from "../pi-resources/extensions/preference-memory/index.js";

test("getPreferencesFilePath points to workspace root preference.md", () => {
  const filePath = getPreferencesFilePath("/tmp/pi-workspace");
  assert.equal(filePath, "/tmp/pi-workspace/preference.md");
});

test("extractPreferencesFromText captures stable reply and project preferences", () => {
  const preferences = extractPreferencesFromText(
    "以后都用中文回复，回答尽量简洁。这个项目统一使用 pnpm。后续资源都写到 workspace/.pi。"
  );

  assert.deepEqual(
    preferences.map((preference) => preference.key).sort(),
    ["package-manager", "reply-language", "reply-style", "runtime-resource-dir"]
  );
});

test("extractPreferencesFromText ignores temporary one-off instructions", () => {
  const preferences = extractPreferencesFromText("这次请用中文回复，先不要删文件。");
  assert.deepEqual(preferences, []);
});

test("upsertPreferencesDocument replaces existing values instead of appending duplicates", () => {
  const initial = renderPreferencesDocument([
    { key: "reply-language", section: "回复偏好", label: "回复语言", value: "中文" }
  ]);
  const updated = upsertPreferencesDocument(initial, [
    { key: "reply-language", section: "回复偏好", label: "回复语言", value: "英文" },
    { key: "package-manager", section: "项目约定", label: "包管理器", value: "pnpm" }
  ]);

  assert.match(updated, /回复语言：英文/);
  assert.doesNotMatch(updated, /回复语言：中文/);
  assert.match(updated, /包管理器：pnpm/);
});