import { BuiltApiOperationType, BuiltApiType } from './typeBuilder'
import { Simplify } from './util'

export type RawApiSpec<TApi extends BuiltApiType> = {
  servers: readonly [{ url: string }]
  paths: Record<string, Partial<Record<'get' | 'post' | 'put' | 'delete', { operationId: keyof TApi }>>>
}

type OptionalRecord = Record<string, any> | undefined

type WithOptionalField<TName extends string, TData extends OptionalRecord> = TData extends undefined | never
  ? Partial<Record<TName, undefined>>
  : Record<TName, TData>

type BasicRequestOptions = {
  authorization?: string
  storageRegion?: string
}

export type RequestOptions<
  TParams extends OptionalRecord,
  TQuery extends OptionalRecord,
  TPath extends OptionalRecord
> = BasicRequestOptions &
  WithOptionalField<'params', TParams> &
  WithOptionalField<'queryParams', TQuery> &
  WithOptionalField<'pathParams', TPath>

export type RequestOptionsForOperation<TOperation extends BuiltApiOperationType> = Simplify<
  RequestOptions<TOperation['requestBody'], TOperation['queryParams'], TOperation['pathParams']>
>

export type ResponseForOperation<TOperation extends BuiltApiOperationType> = {
  body: TOperation['responseBody']
  status: number
}

export type RequestOptionsForOperationId<
  TApi extends BuiltApiType,
  TOperationId extends keyof TApi
> = RequestOptionsForOperation<TApi[TOperationId]>