import { compare } from "semver";import type { FumaDBAdapter, FumaDBAdapterContext } from "./adapters";import type { Migrator } from "./migration-engine/create";import type { AbstractQuery } from "./query";import type { AnySchema } from "./schema";import {  createNameVariantsBuilder,  type NameVariantsBuilder,} from "./schema/name-variants-builder";import type { LibraryConfig } from "./shared/config"; export * from "./shared/config";export * from "./shared/providers"; type Last<T extends unknown[]> = T extends [...infer _, infer L]  ? L  : T[number]; export interface FumaDB<Schemas extends AnySchema[] = AnySchema[]> {  schemas: Schemas;  adapter: FumaDBAdapter;   /**   * Shorthand for `orm()` latest schema version   * @deprecated use `orm()` directly   */  readonly abstract: AbstractQuery<Last<Schemas>>;   /**   * Get current schema version   */  version: () => Promise<Schemas[number]["version"]>;   orm: <V extends Schemas[number]["version"]>(    version: V  ) => AbstractQuery<Extract<Schemas[number], { version: V }>>;   /**   * Kysely & MongoDB only   */  createMigrator: () => Migrator;   /**   * ORM only   */  generateSchema: (    version: Schemas[number]["version"] | "latest",    name?: string  ) => {    code: string;    path: string;  };} export interface FumaDBFactory<Schemas extends AnySchema[]> {  /**   * A static type-checker   */  version: <T extends Schemas[number]["version"]>(target: T) => T;   /**   * Configure consumer-side integration   */  client: (adapter: FumaDBAdapter) => FumaDB<Schemas>;   /**   * Set name variants   */  names: NameVariantsBuilder<Schemas, FumaDBFactory<Schemas>>;} export type InferFumaDB<Factory extends FumaDBFactory<any>> =  Factory extends FumaDBFactory<infer Schemas> ? FumaDB<Schemas> : never; export type InferAbstractQuery<  Factory extends FumaDB<any>,  Version extends string,> =  Factory extends FumaDB<infer Schemas>    ? AbstractQuery<Extract<Schemas[number], { version: Version }>> & {        version: Version;      }    : never; export function fumadb<Schemas extends AnySchema[]>(  config: LibraryConfig<Schemas>): FumaDBFactory<Schemas> {  const schemas = config.schemas.sort((a, b) => compare(a.version, b.version));  return {    names: createNameVariantsBuilder(config.namespace, schemas, (schemas) => {      return fumadb({        ...config,        schemas,      });    }),    version(targetVersion) {      return targetVersion;    },     client(adapter) {      const orms = new Map<string, AbstractQuery<AnySchema>>();      const adapterContext: FumaDBAdapterContext = {        ...config,      };       return {        adapter,        schemas,        orm(version) {          let orm = orms.get(version);          if (orm) return orm;           const schema = schemas.find((schema) => schema.version === version);          if (!schema) throw new Error(`unknown schema version ${version}`);           orm = adapter.createORM.call(adapterContext, schema);          orms.set(version, orm);          return orm as any;        },        async version() {          const version = await adapter.getSchemaVersion.call(adapterContext);          if (!version)            throw new Error(`FumaDB ${config.namespace} is not initialized.`);           return version;        },        generateSchema(version, name = config.namespace) {          if (!adapter.generateSchema)            throw new Error("The adapter doesn't support schema API.");          let schema: AnySchema;           if (version === "latest") {            schema = schemas.at(-1)!;          } else {            schema = schemas.find((schema) => schema.version === version)!;            if (!schema) throw new Error(`Invalid version: ${version}`);          }           return adapter.generateSchema.call(adapterContext, schema, name);        },         createMigrator() {          if (!adapter.createMigrationEngine)            throw new Error("The adapter doesn't support migration engine.");           return adapter.createMigrationEngine.call(adapterContext);        },         get abstract() {          return this.orm(schemas.at(-1)!.version) as any;        },      };    },  };}