import { Layer } from "effect";
import { PasswordService } from "./services/PasswordService.js";
import { TokenService } from "./services/TokenService.js";
import { UserRepository } from "./services/UserRepository.js";
import { SessionRepository } from "./services/SessionRepository.js";
import { AuditLogService } from "./services/AuditLogService.js";
import { AuthService } from "./services/AuthService.js";
import { DatabaseService } from "../database/db.js";
import { UserManagementLayer } from "../user-management/layers.js";

/**
 * Creates the complete application layer with all auth services
 * @param dbConfig Database configuration
 * @returns Complete layer with all services including DatabaseService
 */
export const createAppLayer = (dbConfig: { path: string; timeout?: number; verbose?: boolean }) => {
  // Base database layer
  const DbLayer = DatabaseService.Live(dbConfig);

  // Service layers that don't require DatabaseService
  const IndependentServices = Layer.mergeAll(
    PasswordService.Live,
    TokenService.Live
  );

  // Services and repositories that require DatabaseService
  const DbDependentServices = Layer.mergeAll(
    AuditLogService.Live,
    UserRepository.Live,
    SessionRepository.Live
  );

  // Provide DatabaseService to dependent services
  const DbDependentWithDb = Layer.provide(DbDependentServices, DbLayer);

  // Merge all services and database
  const BaseServices = Layer.mergeAll(
    IndependentServices,
    DbDependentWithDb,
    DbLayer
  );

  // Add user management layer
  const ServicesWithUserManagement = Layer.mergeAll(
    BaseServices,
    UserManagementLayer
  );

  // Provide all dependencies to AuthService
  const AuthWithDeps = Layer.provide(AuthService.Live, ServicesWithUserManagement);

  // Complete application layer - merge everything
  return Layer.mergeAll(
    ServicesWithUserManagement,
    AuthWithDeps
  );
};