// ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========

import {
  type IndexCacheStore,
  recordStream,
  ResourceName,
  type PathSpec,
} from '@struktoai/mirage-core'
import { enoent } from '@struktoai/mirage-core'
import type { RedisAccessor } from '../../accessor/redis.ts'
import { norm } from './utils.ts'

export async function* stream(
  accessor: RedisAccessor,
  path: PathSpec,
  _index?: IndexCacheStore,
): AsyncIterable<Uint8Array> {
  const p = norm(path.mountPath)
  const data = await accessor.store.getFile(p)
  if (data === null) throw enoent(path)
  const rec = recordStream('read', p, ResourceName.REDIS)
  if (rec !== null) rec.bytes = data.byteLength
  yield data
}
