/**
 * asset-keys 單元測試 — 「哪些 KV key 是使用者的資產」這張表本身
 *
 * KV 退休（Leo/Arcrun#16 + #17）。這支測的是純函式，沒有 KV / KBDB / 網路，
 * 因為它要守的東西也很單純：**分類錯了，資產就會被留在會被換掉的那一層。**
 *
 * 兩個方向都要測，而且分量一樣重：
 *   - 資產不可以被誤判成衍生（漏收＝下次更新就不見了，這是 2026-08-12 的病）
 *   - 衍生不可以被誤判成資產（多收＝KBDB 長出算得出來的垃圾列）
 */
import { describe, it, expect } from 'vitest';
import { classifyAssetKey, classifyListPrefix, assetKvKey } from '../src/lib/asset-keys';
import { CRON_INDEX_KEY } from '../src/lib/cron-index';

describe('classifyAssetKey — 資產', () => {
  it('具名工作流 {api_key}:wf:{name} → workflow_def，租戶與名字都拆得出來', () => {
    const ref = classifyAssetKey('leo:wf:rag_chat');
    expect(ref).not.toBeNull();
    expect(ref!.entry_type).toBe('workflow_def');
    expect(ref!.owner_id).toBe('leo');
    expect(ref!.page_name).toBe('rag_chat');
    expect(ref!.kv_key).toBe('leo:wf:rag_chat');
  });

  it('api recipe（uuid key 與 migration 前的 canonical key 都算資產）', () => {
    expect(classifyAssetKey('recipe:8f3b-uuid')!.entry_type).toBe('api_recipe');
    expect(classifyAssetKey('recipe:telegram_send')!.entry_type).toBe('api_recipe');
  });

  it('auth recipe / prompt recipe', () => {
    expect(classifyAssetKey('auth_recipe:notion')!.entry_type).toBe('auth_recipe');
    expect(classifyAssetKey('auth_recipe:notion')!.page_name).toBe('notion');
    expect(classifyAssetKey('prompt_recipe:wiki_synthesis')!.entry_type).toBe('prompt_recipe');
  });

  it('同一個 key 永遠對到同一個 entry_id（冪等的根據——重跑遷移不會長出重複列）', () => {
    expect(classifyAssetKey('leo:wf:a')!.entry_id).toBe(classifyAssetKey('leo:wf:a')!.entry_id);
    expect(classifyAssetKey('leo:wf:a')!.entry_id).not.toBe(classifyAssetKey('evan:wf:a')!.entry_id);
  });
});

describe('classifyAssetKey — 衍生資料不可誤收', () => {
  it('recipe 反查索引 idx:* 全部不是資產（算得回來，見 rehydrateRecipeIndices）', () => {
    expect(classifyAssetKey('idx:rec_f7e2a1b3')).toBeNull();
    expect(classifyAssetKey('idx:canonical:telegram_send')).toBeNull();
    expect(classifyAssetKey('idx:installed:telegram_send')).toBeNull();
  });

  it('cron 索引不是資產', () => {
    expect(classifyAssetKey(CRON_INDEX_KEY)).toBeNull();
    expect(classifyAssetKey('cron-idx:leo:daily')).toBeNull();
  });

  it('匿名 webhook token / 其他暫存 key 不是資產（本卷不碰，非漏收）', () => {
    expect(classifyAssetKey('a1b2c3d4e5f6')).toBeNull();
    expect(classifyAssetKey('daemon-active:leo')).toBeNull();
  });

  it('殘缺的 key 不當資產（寧可退回原本的 KV 行為，也不要建出半截的列）', () => {
    expect(classifyAssetKey('recipe:')).toBeNull();
    expect(classifyAssetKey('auth_recipe:')).toBeNull();
    expect(classifyAssetKey(':wf:orphan')).toBeNull();
    expect(classifyAssetKey('leo:wf:')).toBeNull();
  });
});

describe('assetKvKey — 從 KBDB 反推回 KV key（回填快取與 list 都靠它）', () => {
  it('四型都能原路折返', () => {
    for (const key of ['leo:wf:rag_chat', 'recipe:telegram_send', 'auth_recipe:notion', 'prompt_recipe:x']) {
      const ref = classifyAssetKey(key)!;
      expect(assetKvKey(ref.entry_type, ref.owner_id, ref.page_name)).toBe(key);
    }
  });
});

describe('classifyListPrefix — 列舉走哪一邊', () => {
  it('租戶工作流列舉 → 走 KBDB（帶 owner）', () => {
    expect(classifyListPrefix('leo:wf:')).toEqual({ entry_type: 'workflow_def', owner_id: 'leo' });
  });

  it('recipe / auth_recipe 列舉 → 走 KBDB', () => {
    expect(classifyListPrefix('recipe:')).toEqual({ entry_type: 'api_recipe' });
    expect(classifyListPrefix('auth_recipe:')).toEqual({ entry_type: 'auth_recipe' });
  });

  it('索引與無 prefix 的全域列舉 → 維持原本的 KV 行為', () => {
    expect(classifyListPrefix('idx:')).toBeNull();
    expect(classifyListPrefix('cron-idx:')).toBeNull();
    expect(classifyListPrefix(undefined)).toBeNull();
  });
});