// ========= 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 { invalidateAfterWrite } from '@struktoai/mirage-core/cache/context'
import type { PathSpec } from '@struktoai/mirage-core/types'
import { enoent } from '@struktoai/mirage-core/utils/errors'
import type { RedisAccessor } from '../../accessor/redis.ts'
import { norm, nowIso } from './utils.ts'
import { checkDestParents } from './dest.ts'

export async function copy(accessor: RedisAccessor, src: PathSpec, dst: PathSpec): Promise<void> {
  const s = norm(src.mountPath)
  const d = norm(dst.mountPath)
  const store = accessor.store
  await checkDestParents(store, dst, d)
  const data = await store.getFile(s)
  if (data === null) throw enoent(src)
  await store.setFile(d, data)
  await store.setModified(d, nowIso())
  await invalidateAfterWrite(dst)
}
