import { Complexity, FieldOptions } from '@nestjs/graphql';
import { Class } from '@ptc-org/nestjs-query-core';
import { AuthorizerOptions } from '../../auth';
import { DTONamesOpts } from '../../common';
import { ResolverMethodOpts } from '../../decorators';
import { ResolverRelationMethodOpts } from '../../decorators/resolver-method.decorator';
import { ConnectionOptions, QueryArgsTypeOpts } from '../../types';
export type ReferencesKeys<DTO, Reference> = {
    [F in keyof Reference]?: keyof DTO;
};
export interface ResolverRelationReference<DTO, Reference> extends DTONamesOpts, ResolverMethodOpts {
    /**
     * The class type of the relation.
     */
    DTO: Class<Reference>;
    /**
     * Keys
     */
    keys: ReferencesKeys<DTO, Reference>;
    /**
     * Set to true if the relation is nullable
     */
    nullable?: boolean;
    complexity?: Complexity;
}
export type ResolverRelation<Relation> = {
    /**
     * The class type of the relation.
     */
    DTO: Class<Relation>;
    /**
     * The name of the relation to use when fetching from the QueryService
     */
    relationName?: string;
    /**
     * Set to true if the relation is nullable
     */
    nullable?: boolean;
    /**
     * Disable read relation graphql endpoints
     */
    disableRead?: boolean;
    /**
     * Enable look ahead mode, will join and select the relation when queried.
     */
    enableLookAhead?: boolean;
    /**
     * Indicates if soft-deleted rows should be included in relation result.
     */
    withDeleted?: boolean;
    /**
     * Set to true if you should be able to filter on this relation.
     *
     * This will only work with relations defined through an ORM (typeorm or sequelize).
     */
    allowFiltering?: boolean;
    /**
     * Description of the relation.
     */
    description?: string;
    update?: Pick<ResolverRelation<Relation>, 'description'> & ResolverRelationMethodOpts;
    remove?: Pick<ResolverRelation<Relation>, 'description'> & ResolverRelationMethodOpts;
    /**
     * Enable aggregation queries.
     */
    enableAggregate?: boolean;
    aggregate?: Pick<ResolverRelation<Relation>, 'description'> & ResolverRelationMethodOpts;
    auth?: AuthorizerOptions<Relation>;
} & DTONamesOpts & ResolverMethodOpts & QueryArgsTypeOpts<Relation> & Pick<ConnectionOptions, 'enableTotalCount'> & Omit<FieldOptions, 'name' | 'description' | 'middleware'>;
export type RelationTypeMap<RT> = Record<string, RT>;
export type ResolverOneRelation<Relation> = Omit<ResolverRelation<Relation>, 'disableFilter' | 'disableSort' | 'enableAggregate' | 'aggregate'>;
export type ResolverManyRelation<Relation> = Omit<ResolverRelation<Relation>, 'enableLookAhead'>;
export type RelationsOpts<Relation = unknown> = {
    /**
     * All relations that are a single record
     */
    one?: RelationTypeMap<ResolverOneRelation<Relation>>;
    /**
     * All relations that have multiple records
     */
    many?: RelationTypeMap<ResolverManyRelation<Relation>>;
};
export type ReferencesOpts<DTO> = RelationTypeMap<ResolverRelationReference<DTO, any>>;