import * as ts from "typescript";
import { ConstDirectiveNode, ConstValueNode, InputValueDefinitionNode, Kind, Location, NameNode, StringValueNode, TypeNode } from "graphql";
import { DiagnosticResult } from "./utils/DiagnosticError.js";
/**
 * Describes the backing resolver for a field. This broadly matches the metadata
 * shape that is part of the public API of Grats, but also includes location
 * information as well as information about resolver with types which have not
 * yet been resolved.
 */
export type ResolverSignature = {
    kind: "property";
    name: string | null;
    node: ts.Node;
} | {
    kind: "method";
    name: string | null;
    arguments: ResolverArgument[] | null;
    node: ts.Node;
} | {
    kind: "function";
    path: string;
    exportName: string | null;
    arguments: ResolverArgument[] | null;
    node: ts.Node;
} | {
    kind: "staticMethod";
    path: string;
    exportName: string | null;
    name: string;
    arguments: ResolverArgument[] | null;
    node: ts.Node;
};
export type SourceResolverArgument = {
    kind: "source";
    node: ts.Node;
};
export type ArgumentsObjectResolverArgument = {
    kind: "argumentsObject";
    node: ts.Node;
};
export type ContextResolverArgument = {
    kind: "context";
    node: ts.Node;
};
export type DerivedContextResolverArgument = {
    kind: "derivedContext";
    path: string;
    exportName: string | null;
    args: Array<DerivedContextResolverArgument | ContextResolverArgument>;
    node: ts.Node;
    async: boolean;
};
export type InformationResolverArgument = {
    kind: "information";
    node: ts.Node;
};
export type NamedResolverArgument = {
    kind: "named";
    name: string;
    node: ts.Node;
    inputDefinition: InputValueDefinitionNode;
};
export type UnresolvedResolverArgument = {
    kind: "unresolved";
    inputDefinition: InputValueDefinitionNodeOrResolverArg;
    node: ts.Node;
};
export type ResolverArgument = SourceResolverArgument | ArgumentsObjectResolverArgument | ContextResolverArgument | DerivedContextResolverArgument | InformationResolverArgument | NamedResolverArgument | UnresolvedResolverArgument;
/**
 * At extraction time we don't know if a resolver arg is context, info, or a
 * positional GraphQL argument. If it's a positional argument, we need to ensure
 * it has a valid name. If it's just info or context, it's fine if it doesn't
 * have a name e.g. (destructured).
 */
export interface InputValueDefinitionNodeOrResolverArg {
    readonly kind: Kind.INPUT_VALUE_DEFINITION;
    readonly loc: Location;
    readonly description?: StringValueNode;
    readonly name: DiagnosticResult<NameNode>;
    readonly type: TypeNode;
    readonly defaultValue?: ConstValueNode;
    readonly directives?: ReadonlyArray<ConstDirectiveNode>;
}