import {
  BulkCrudOperationKeys,
  DefaultRepositoryFlags,
  OperationKeys,
} from "@decaf-ts/db-decorators";
import { AdapterFlags, ContextFlags } from "./types";
import { PreparedStatementKeys } from "../query/constants";

/**
 * @description Persistence-related constant keys
 * @summary Enum containing string constants used throughout the persistence layer for metadata, relations, and other persistence-related operations
 * @enum {string}
 * @readonly
 * @memberOf module:core
 */
export enum PersistenceKeys {
  PERSISTENCE = "persistence",
  /** @description Key for index metadata */
  INDEX = "index",

  /** @description Key for unique constraint metadata */
  UNIQUE = "unique",

  /** @description Key for adapter metadata */
  ADAPTER = "adapter",

  /** @description Template for injectable adapter names */
  INJECTABLE = "decaf_{0}_adapter_for_{1}",

  SERVICE = "service",
  /** @description Key for table name metadata */
  TABLE = "table",

  /** @description Key for column name metadata */
  COLUMN = "column",

  /** @description Key for general metadata storage */
  METADATA = "__metadata",

  // Ownership
  /** @description Key for created-by ownership metadata */
  OWNERSHIP = "ownership",

  /** @description Key for created-by ownership metadata */
  CREATED_BY = `${OWNERSHIP}.created-by`,

  /** @description Key for updated-by ownership metadata */
  UPDATED_BY = `${OWNERSHIP}.updated-by`,

  // Relations

  /** @description Key for relations metadata storage */
  RELATIONS = "__relations",

  /** @description Key for relations metadata storage */
  RELATION = "relation",

  /** @description Key for one-to-one relation metadata */
  ONE_TO_ONE = `${RELATION}.one-to-one`,

  /** @description Key for one-to-many relation metadata */
  ONE_TO_MANY = `${RELATION}.one-to-many`,

  /** @description Key for many-to-one relation metadata */
  MANY_TO_ONE = `${RELATION}.many-to-one`,
  /** @description Key for many-to-one relation metadata */
  MANY_TO_MANY = `${RELATION}.many-to-many`,

  /** @description Key for populate metadata */
  POPULATE = "populate",
  /** @description Key for populate metadata */
  NO_VALIDATE = "no-validate",
  /** @description Key for migration classes */
  MIGRATION = "migration",

  STATEMENT = "statement",

  QUERY = "query",

  UUID = "uuid",

  TAG_FOR_DELETION = "tag_for_deletion",

  INITIALIZATION = "initialization",
  SHUTDOWN = "shutdown",

  BY_KEY = "by-key",

  AUTH = "auth",

  AUTH_ROLE = "auth-role",

  DECAF_ROUTE = "DecafRoute",

  THROTTLE = "throttle",

  DEFAULT_QUERY_ATTR = "default-query-attr",
}

export const DefaultContextFlags: ContextFlags<any> = Object.assign(
  {},
  {
    ignoreDevSafeGuards: false,
  }
) as ContextFlags<any>;

export const DefaultAdapterFlags: AdapterFlags = Object.assign(
  {},
  DefaultRepositoryFlags,
  {
    enforceUpdateValidation: true,
    allowRawStatements: true,
    forcePrepareSimpleQueries: false,
    forcePrepareComplexQueries: false,
    cacheForPopulate: {},
    noEmit: false,
    noEmitSingle: false,
    noEmitBulk: false,
    breakOnSingleFailureInBulk: true,
    observeFullResult: true,
    paginateByBookmark: false,
    dryRun: false,
  }
) as AdapterFlags;

export const TransactionOperationKeys: (
  | string
  | OperationKeys
  | BulkCrudOperationKeys
  | PersistenceKeys
  | PreparedStatementKeys
)[] = [
  OperationKeys.CREATE,
  OperationKeys.UPDATE,
  OperationKeys.DELETE,
  BulkCrudOperationKeys.CREATE_ALL,
  BulkCrudOperationKeys.UPDATE_ALL,
  BulkCrudOperationKeys.DELETE_ALL,
];

export const NonTransactionOperationKeys: (
  | string
  | OperationKeys
  | BulkCrudOperationKeys
  | PersistenceKeys
  | PreparedStatementKeys
)[] = [OperationKeys.READ, BulkCrudOperationKeys.READ_ALL];

export const SelectOperationKeys: (
  | string
  | OperationKeys
  | BulkCrudOperationKeys
  | PersistenceKeys
  | PreparedStatementKeys
)[] = [PersistenceKeys.STATEMENT, PreparedStatementKeys.FIND_ONE_BY];

export const MultipleSelectOperationKeys: (
  | string
  | OperationKeys
  | BulkCrudOperationKeys
  | PersistenceKeys
  | PreparedStatementKeys
)[] = [
  PersistenceKeys.QUERY,
  PreparedStatementKeys.PAGE_BY,
  PreparedStatementKeys.LIST_BY,
  PreparedStatementKeys.FIND_BY,
  PreparedStatementKeys.FIND,
  PreparedStatementKeys.PAGE,
];

export const PaginationOperationKeys: (
  | string
  | OperationKeys
  | BulkCrudOperationKeys
  | PersistenceKeys
  | PreparedStatementKeys
)[] = [PreparedStatementKeys.PAGE_BY, PreparedStatementKeys.PAGE];