// @flow strict

// Spec Section: "Executable Definitions"
import { ExecutableDefinitions } from './rules/ExecutableDefinitions';

// Spec Section: "Operation Name Uniqueness"
import { UniqueOperationNames } from './rules/UniqueOperationNames';

// Spec Section: "Lone Anonymous Operation"
import { LoneAnonymousOperation } from './rules/LoneAnonymousOperation';

// Spec Section: "Subscriptions with Single Root Field"
import { SingleFieldSubscriptions } from './rules/SingleFieldSubscriptions';

// Spec Section: "Fragment Spread Type Existence"
import { KnownTypeNames } from './rules/KnownTypeNames';

// Spec Section: "Fragments on Composite Types"
import { FragmentsOnCompositeTypes } from './rules/FragmentsOnCompositeTypes';

// Spec Section: "Variables are Input Types"
import { VariablesAreInputTypes } from './rules/VariablesAreInputTypes';

// Spec Section: "Leaf Field Selections"
import { ScalarLeafs } from './rules/ScalarLeafs';

// Spec Section: "Field Selections on Objects, Interfaces, and Unions Types"
import { FieldsOnCorrectType } from './rules/FieldsOnCorrectType';

// Spec Section: "Fragment Name Uniqueness"
import { UniqueFragmentNames } from './rules/UniqueFragmentNames';

// Spec Section: "Fragment spread target defined"
import { KnownFragmentNames } from './rules/KnownFragmentNames';

// Spec Section: "Fragments must be used"
import { NoUnusedFragments } from './rules/NoUnusedFragments';

// Spec Section: "Fragment spread is possible"
import { PossibleFragmentSpreads } from './rules/PossibleFragmentSpreads';

// Spec Section: "Fragments must not form cycles"
import { NoFragmentCycles } from './rules/NoFragmentCycles';

// Spec Section: "Variable Uniqueness"
import { UniqueVariableNames } from './rules/UniqueVariableNames';

// Spec Section: "All Variable Used Defined"
import { NoUndefinedVariables } from './rules/NoUndefinedVariables';

// Spec Section: "All Variables Used"
import { NoUnusedVariables } from './rules/NoUnusedVariables';

// Spec Section: "Directives Are Defined"
import { KnownDirectives } from './rules/KnownDirectives';

// Spec Section: "Directives Are Unique Per Location"
import { UniqueDirectivesPerLocation } from './rules/UniqueDirectivesPerLocation';

// Spec Section: "Argument Names"
import {
  KnownArgumentNames,
  KnownArgumentNamesOnDirectives, // @internal
} from './rules/KnownArgumentNames';

// Spec Section: "Argument Uniqueness"
import { UniqueArgumentNames } from './rules/UniqueArgumentNames';

// Spec Section: "Value Type Correctness"
import { ValuesOfCorrectType } from './rules/ValuesOfCorrectType';

// Spec Section: "Argument Optionality"
import {
  ProvidedRequiredArguments,
  ProvidedRequiredArgumentsOnDirectives, // @internal
} from './rules/ProvidedRequiredArguments';

// Spec Section: "All Variable Usages Are Allowed"
import { VariablesInAllowedPosition } from './rules/VariablesInAllowedPosition';

// Spec Section: "Field Selection Merging"
import { OverlappingFieldsCanBeMerged } from './rules/OverlappingFieldsCanBeMerged';

// Spec Section: "Input Object Field Uniqueness"
import { UniqueInputFieldNames } from './rules/UniqueInputFieldNames';

/**
 * This set includes all validation rules defined by the GraphQL spec.
 *
 * The order of the rules in this list has been adjusted to lead to the
 * most clear output when encountering multiple validation errors.
 */
export const specifiedRules = Object.freeze([
  ExecutableDefinitions,
  UniqueOperationNames,
  LoneAnonymousOperation,
  SingleFieldSubscriptions,
  KnownTypeNames,
  FragmentsOnCompositeTypes,
  VariablesAreInputTypes,
  ScalarLeafs,
  FieldsOnCorrectType,
  UniqueFragmentNames,
  KnownFragmentNames,
  NoUnusedFragments,
  PossibleFragmentSpreads,
  NoFragmentCycles,
  UniqueVariableNames,
  NoUndefinedVariables,
  NoUnusedVariables,
  KnownDirectives,
  UniqueDirectivesPerLocation,
  KnownArgumentNames,
  UniqueArgumentNames,
  ValuesOfCorrectType,
  ProvidedRequiredArguments,
  VariablesInAllowedPosition,
  OverlappingFieldsCanBeMerged,
  UniqueInputFieldNames,
]);

import { LoneSchemaDefinition } from './rules/LoneSchemaDefinition';
import { UniqueOperationTypes } from './rules/UniqueOperationTypes';
import { UniqueTypeNames } from './rules/UniqueTypeNames';
import { UniqueEnumValueNames } from './rules/UniqueEnumValueNames';
import { UniqueFieldDefinitionNames } from './rules/UniqueFieldDefinitionNames';
import { UniqueDirectiveNames } from './rules/UniqueDirectiveNames';
import { PossibleTypeExtensions } from './rules/PossibleTypeExtensions';

// @internal
export const specifiedSDLRules = Object.freeze([
  LoneSchemaDefinition,
  UniqueOperationTypes,
  UniqueTypeNames,
  UniqueEnumValueNames,
  UniqueFieldDefinitionNames,
  UniqueDirectiveNames,
  KnownTypeNames,
  KnownDirectives,
  UniqueDirectivesPerLocation,
  PossibleTypeExtensions,
  KnownArgumentNamesOnDirectives,
  UniqueArgumentNames,
  UniqueInputFieldNames,
  ProvidedRequiredArgumentsOnDirectives,
]);