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import {expect} from '@esm-bundle/chai';import {fakeHash} from '../hash.js';import {TestMemStore} from '../kv/test-mem-store';import {makeClientMap, setClients} from './clients-test-helpers';import {  IDBDatabasesStore,  IndexedDBDatabase,  IndexedDBName,} from './idb-databases-store';import {collectIDBDatabases} from './collect-idb-databases';import * as dag from '../dag/mod';import type {ClientMap} from './clients.js';import {assertNotUndefined} from '../asserts.js';import {SinonFakeTimers, useFakeTimers} from 'sinon';import {REPLICACHE_FORMAT_VERSION} from '../replicache.js';
suite('collectIDBDatabases', async () => {  let clock: SinonFakeTimers;
  setup(() => {    clock = useFakeTimers(0);  });
  teardown(() => {    clock.restore();  });
  type Entries = [IndexedDBDatabase, ClientMap][];
  const makeIndexedDBDatabase = (    name: string,    lastOpenedTimestampMS = Date.now(),    replicacheFormatVersion = REPLICACHE_FORMAT_VERSION,    schemaVersion = 'schemaVersion-' + name,    replicacheName = 'replicacheName-' + name,  ): IndexedDBDatabase => ({    name,    replicacheFormatVersion,    schemaVersion,    replicacheName,    lastOpenedTimestampMS,  });
  const t = (    name: string,    entries: Entries,    now: number,    expectedDatabases: string[],  ) => {    for (const legacy of [false, true]) {      test(name + ' > time ' + now + (legacy ? ' > legacy' : ''), async () => {        const store = new IDBDatabasesStore(_ => new TestMemStore());        const clientDagStores = new Map<IndexedDBName, dag.Store>();        for (const [db, clients] of entries) {          const dagStore = new dag.TestStore();          clientDagStores.set(db.name, dagStore);          if (legacy) {            // eslint-disable-next-line @typescript-eslint/no-unused-vars            const {lastOpenedTimestampMS: _, ...rest} = db;            await store.putDatabaseForTesting(rest);          } else {            await store.putDatabaseForTesting(db);          }
          await setClients(clients, dagStore);        }
        const newDagStore = (name: string) => {          const dagStore = clientDagStores.get(name);          assertNotUndefined(dagStore);          return dagStore;        };
        const maxAge = 1000;
        const controller = new AbortController();        await collectIDBDatabases(          store,          controller.signal,          now,          maxAge,          newDagStore,        );
        expect(Object.keys(await store.getDatabases())).to.deep.equal(          expectedDatabases,        );      });    }  };
  t('empty', [], 0, []);
  {    const entries: Entries = [      [        makeIndexedDBDatabase('a', 0),        makeClientMap({          clientA1: {            headHash: fakeHash('a1'),            heartbeatTimestampMs: 0,          },        }),      ],    ];    t('one idb, one client', entries, 0, ['a']);    t('one idb, one client', entries, 1000, []);    t('one idb, one client', entries, 2000, []);  }
  {    const entries: Entries = [      [        makeIndexedDBDatabase('a', 0),        makeClientMap({          clientA1: {            headHash: fakeHash('a1'),            heartbeatTimestampMs: 0,          },        }),      ],      [        makeIndexedDBDatabase('b', 1000),        makeClientMap({          clientB1: {            headHash: fakeHash('b1'),            heartbeatTimestampMs: 1000,          },        }),      ],    ];    t('x', entries, 0, ['a', 'b']);    t('x', entries, 1000, ['b']);    t('x', entries, 2000, []);  }
  {    const entries: Entries = [      [        makeIndexedDBDatabase('a', 2000),        makeClientMap({          clientA1: {            headHash: fakeHash('a1'),            heartbeatTimestampMs: 0,          },          clientA2: {            headHash: fakeHash('a2'),            heartbeatTimestampMs: 2000,          },        }),      ],      [        makeIndexedDBDatabase('b', 1000),        makeClientMap({          clientB1: {            headHash: fakeHash('b1'),            heartbeatTimestampMs: 1000,          },        }),      ],    ];    t('two idb, three clients', entries, 0, ['a', 'b']);    t('two idb, three clients', entries, 1000, ['a', 'b']);    t('two idb, three clients', entries, 2000, ['a']);    t('two idb, three clients', entries, 3000, []);  }
  {    const entries: Entries = [      [        makeIndexedDBDatabase('a', 3000),        makeClientMap({          clientA1: {            headHash: fakeHash('a1'),            heartbeatTimestampMs: 1000,          },          clientA2: {            headHash: fakeHash('a2'),            heartbeatTimestampMs: 3000,          },        }),      ],      [        makeIndexedDBDatabase('b', 4000),        makeClientMap({          clientB1: {            headHash: fakeHash('b1'),            heartbeatTimestampMs: 2000,          },          clientB2: {            headHash: fakeHash('b2'),            heartbeatTimestampMs: 4000,          },        }),      ],    ];    t('two idb, four clients', entries, 1000, ['a', 'b']);    t('two idb, four clients', entries, 2000, ['a', 'b']);    t('two idb, four clients', entries, 3000, ['a', 'b']);    t('two idb, four clients', entries, 4000, ['b']);    t('two idb, four clients', entries, 5000, []);  }
  {    const entries: Entries = [      [        makeIndexedDBDatabase('a', 0, REPLICACHE_FORMAT_VERSION + 1),        makeClientMap({          clientA1: {            headHash: fakeHash('a1'),            heartbeatTimestampMs: 0,          },        }),      ],    ];    t('one idb, one client, format version too new', entries, 0, ['a']);    t('one idb, one client, format version too new', entries, 1000, ['a']);    t('one idb, one client, format version too new', entries, 2000, ['a']);  }
  {    const entries: Entries = [      [        makeIndexedDBDatabase('a', 0, REPLICACHE_FORMAT_VERSION - 1),        makeClientMap({          clientA1: {            headHash: fakeHash('a1'),            heartbeatTimestampMs: 0,          },        }),      ],    ];    t('one idb, one client, old format version', entries, 0, ['a']);    t('one idb, one client, old format version', entries, 1000, []);  }});