import { Datum } from './datum'
import {
  DATA,
  Memory,
  Reduce,
  Cache,
  OrderCmd,
  SetContext,
  Emitter,
  LeafCmd,
  NameBase,
  CLASS,
  DEFAULT_RULE_TYPE,
} from './type'
import { Model } from './model'
import { Map } from './map'
import { Struct } from './struct'
import { List } from './list'
import { Query } from './query'
declare type Emitters = {
  order: Emitter<OrderCmd>
  reduce: Emitter<LeafCmd> & {
    default: Emitter<LeafCmd>
    default_origin: Emitter<LeafCmd>
  }
}
declare type ReduceContext<A extends DEFAULT_RULE_TYPE> = {
  map: typeof Map
  query: Query<A>
  memory: Memory
  cache: Cache['$format']
  paths: {
    _reduce: Reduce
  }
}
export declare class Finder<A extends DEFAULT_RULE_TYPE> {
  $name: NameBase
  all: Query<A>
  model: typeof Model | typeof Struct
  list: CLASS<List<A>>
  map: typeof Map
  constructor()
  join({
    $name,
    model,
    all,
    map,
    list,
  }: {
    $name: NameBase
    all: Query<A>
    map: typeof Map
    list: CLASS<List<A>>
    model: typeof Model | typeof Struct
  }): void
  calculate(query: Query<A>, memory: Memory): void
  reduce({ map, cache, paths, query, memory }: ReduceContext<A>, ids: string[]): void
  finish({ map, paths, query }: ReduceContext<A>): void
  data_set(type: string, from: DATA<A[0]>, parent: Object | undefined): any
  data_emitter(
    { base, journal }: SetContext<A>,
    {
      item,
      $group,
    }: {
      item: any
      $group: any
    }
  ): Emitters
  data_init(
    { model, parent, deploys }: SetContext<A>,
    { item }: Datum,
    { reduce, order }: Emitters
  ): void
  data_entry({ model }: SetContext<A>, { item }: Datum, { reduce, order }: Emitters): void
  reset(ctx: SetContext<A>): boolean
  merge(ctx: SetContext<A>): boolean
  remove(ctx: SetContext<A>): boolean
  update(ctx: SetContext<A>, parent: Object): boolean
}
export {}