/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

import { SelectorStoreUpdater } from '../store/RelayStoreTypes';
import { ConcreteRequest } from '../util/RelayConcreteNode';
import { Variables } from '../util/RelayRuntimeTypes';

export type MutationTypes = 'RANGE_ADD' | 'RANGE_DELETE' | 'NODE_DELETE';

export type RangeOperations = 'append' | 'prepend';
export type RangeBehaviorsFunction = (connectionArgs: { [name: string]: unknown }) => RangeOperations;
export interface RangeBehaviorsObject {
    [key: string]: RangeOperations;
}
export type RangeBehaviors = RangeBehaviorsFunction | RangeBehaviorsObject;

export interface RangeAddConfig {
    type: 'RANGE_ADD';
    parentName?: string | undefined;
    parentID?: string | undefined;
    connectionInfo?:
        | ReadonlyArray<{
            key: string;
            filters?: Variables | undefined;
            rangeBehavior: string;
        }>
        | undefined;
    connectionName?: string | undefined;
    edgeName: string;
    rangeBehaviors?: RangeBehaviors | undefined;
}

export interface RangeDeleteConfig {
    type: 'RANGE_DELETE';
    parentName?: string | undefined;
    parentID?: string | undefined;
    connectionKeys?:
        | ReadonlyArray<{
            key: string;
            filters?: Variables | undefined;
        }>
        | undefined;
    connectionName?: string | undefined;
    deletedIDFieldName: string | readonly string[];
    pathToConnection: readonly string[];
}

export interface NodeDeleteConfig {
    type: 'NODE_DELETE';
    parentName?: string | undefined;
    parentID?: string | undefined;
    connectionName?: string | undefined;
    deletedIDFieldName: string;
}

export type DeclarativeMutationConfig = RangeAddConfig | RangeDeleteConfig | NodeDeleteConfig;

export function convert(
    configs: DeclarativeMutationConfig[],
    request: ConcreteRequest,
    optimisticUpdater?: SelectorStoreUpdater,
    updater?: SelectorStoreUpdater,
): {
    optimisticUpdater: SelectorStoreUpdater;
    updater: SelectorStoreUpdater;
};