import { type ProviderKind, type ThreadId } from "@t3tools/contracts";import { Effect, Layer, Option } from "effect"; import { ProviderSessionRuntimeRepository } from "../../persistence/Services/ProviderSessionRuntime.ts";import {  ProviderSessionDirectoryPersistenceError,  ProviderValidationError,} from "../Errors.ts";import {  ProviderSessionDirectory,  type ProviderRuntimeBinding,  type ProviderSessionDirectoryShape,} from "../Services/ProviderSessionDirectory.ts"; function toPersistenceError(operation: string) {  return (cause: unknown) =>    new ProviderSessionDirectoryPersistenceError({      operation,      detail: `Failed to execute ${operation}.`,      cause,    });} function decodeProviderKind(  providerName: string,  operation: string,): Effect.Effect<ProviderKind, ProviderSessionDirectoryPersistenceError> {  if (providerName === "codex") {    return Effect.succeed(providerName);  }  return Effect.fail(    new ProviderSessionDirectoryPersistenceError({      operation,      detail: `Unknown persisted provider '${providerName}'.`,    }),  );} function isRecord(value: unknown): value is Record<string, unknown> {  return value !== null && typeof value === "object" && !Array.isArray(value);} function mergeRuntimePayload(  existing: unknown | null,  next: unknown | null | undefined,): unknown | null {  if (next === undefined) {    return existing ?? null;  }  if (isRecord(existing) && isRecord(next)) {    return { ...existing, ...next };  }  return next;} const makeProviderSessionDirectory = Effect.gen(function* () {  const repository = yield* ProviderSessionRuntimeRepository;   const getBinding = (threadId: ThreadId) =>    repository.getByThreadId({ threadId }).pipe(      Effect.mapError(toPersistenceError("ProviderSessionDirectory.getBinding:getByThreadId")),      Effect.flatMap((runtime) =>        Option.match(runtime, {          onNone: () => Effect.succeed(Option.none<ProviderRuntimeBinding>()),          onSome: (value) =>            decodeProviderKind(value.providerName, "ProviderSessionDirectory.getBinding").pipe(              Effect.map((provider) =>                Option.some({                  threadId: value.threadId,                  provider,                  adapterKey: value.adapterKey,                  runtimeMode: value.runtimeMode,                  status: value.status,                  resumeCursor: value.resumeCursor,                  runtimePayload: value.runtimePayload,                }),              ),            ),        }),      ),    );   const upsert: ProviderSessionDirectoryShape["upsert"] = Effect.fn(function* (binding) {    const existing = yield* repository      .getByThreadId({ threadId: binding.threadId })      .pipe(Effect.mapError(toPersistenceError("ProviderSessionDirectory.upsert:getByThreadId")));     const existingRuntime = Option.getOrUndefined(existing);    const resolvedThreadId = binding.threadId ?? existingRuntime?.threadId;    if (!resolvedThreadId) {      return yield* new ProviderValidationError({        operation: "ProviderSessionDirectory.upsert",        issue: "threadId must be a non-empty string.",      });    }     const now = new Date().toISOString();    const providerChanged =      existingRuntime !== undefined && existingRuntime.providerName !== binding.provider;    yield* repository      .upsert({        threadId: resolvedThreadId,        providerName: binding.provider,        adapterKey:          binding.adapterKey ??          (providerChanged ? binding.provider : (existingRuntime?.adapterKey ?? binding.provider)),        runtimeMode: binding.runtimeMode ?? existingRuntime?.runtimeMode ?? "full-access",        status: binding.status ?? existingRuntime?.status ?? "running",        lastSeenAt: now,        resumeCursor:          binding.resumeCursor !== undefined            ? binding.resumeCursor            : (existingRuntime?.resumeCursor ?? null),        runtimePayload: mergeRuntimePayload(          existingRuntime?.runtimePayload ?? null,          binding.runtimePayload,        ),      })      .pipe(Effect.mapError(toPersistenceError("ProviderSessionDirectory.upsert:upsert")));  });   const getProvider: ProviderSessionDirectoryShape["getProvider"] = (threadId) =>    getBinding(threadId).pipe(      Effect.flatMap((binding) =>        Option.match(binding, {          onSome: (value) => Effect.succeed(value.provider),          onNone: () =>            Effect.fail(              new ProviderSessionDirectoryPersistenceError({                operation: "ProviderSessionDirectory.getProvider",                detail: `No persisted provider binding found for thread '${threadId}'.`,              }),            ),        }),      ),    );   const remove: ProviderSessionDirectoryShape["remove"] = (threadId) =>    repository      .deleteByThreadId({ threadId })      .pipe(Effect.mapError(toPersistenceError("ProviderSessionDirectory.remove:deleteByThreadId")));   const listThreadIds: ProviderSessionDirectoryShape["listThreadIds"] = () =>    repository.list().pipe(      Effect.mapError(toPersistenceError("ProviderSessionDirectory.listThreadIds:list")),      Effect.map((rows) => rows.map((row) => row.threadId)),    );   return {    upsert,    getProvider,    getBinding,    remove,    listThreadIds,  } satisfies ProviderSessionDirectoryShape;}); export const ProviderSessionDirectoryLive = Layer.effect(  ProviderSessionDirectory,  makeProviderSessionDirectory,); export function makeProviderSessionDirectoryLive() {  return Layer.effect(ProviderSessionDirectory, makeProviderSessionDirectory);}