import assert from "node:assert/strict";
import test from "node:test";

import {
  AsyncLocalStorageOperationContextStore,
  type IModuleServer,
  type ModuleParams,
  SequelizeTransactionContext,
} from "@erp/core/api";
import { Audit } from "@repo/rdx-audit";
import { Result } from "@repo/rdx-utils";

import { resetModelsRegistry } from "./model-loader";
import { initModules, registerModule, resetModuleRegistry, startModules } from "./module-loader";
import { listServices, resetServiceRegistry } from "./service-registry";

type FakeDatabase = {
  sync: () => Promise<void>;
  models: Record<string, unknown>;
};

function buildModuleParams(): ModuleParams & {
  config: { database: { syncMode: string } };
  database: FakeDatabase;
  logger: Console;
} {
  return {
    getService: () => {
      throw new Error("Base params getService should not be called directly in tests.");
    },
    config: {
      database: {
        syncMode: "none",
      },
    },
    warmup: { timeoutMs: 10_000, strict: false },
    databaseSyncMode: "none",
    database: {
      sync: async () => undefined,
      models: {},
    },
    logger: console,
    operationContext: new AsyncLocalStorageOperationContextStore(),
    transactionContext: new SequelizeTransactionContext(),
    audit: new Audit({
      source: { type: "test", id: "module-loader" },
      contextProvider: { get: () => null },
      store: { append: async () => Result.ok() },
    }),
  };
}

function resetModuleTestState(): void {
  resetServiceRegistry();
  resetModuleRegistry();
  resetModelsRegistry();
}

test("module-loader permite dependencias externas declaradas", async (t) => {
  resetModuleTestState();
  t.after(resetModuleTestState);

  let receivedService = "";

  const catalogsModule: IModuleServer = {
    name: "catalogs",
    version: "1.0.0",
    setup: () => ({
      services: {
        general: {
          name: "catalogs-service",
        },
      },
    }),
  };

  const companiesModule: IModuleServer = {
    name: "companies",
    version: "1.0.0",
    dependencies: ["catalogs"],
    start: ({ getService }) => {
      const service = getService<{ name: string }>("catalogs:general");
      receivedService = service.name;
    },
  };

  registerModule(catalogsModule);
  registerModule(companiesModule);

  await initModules(buildModuleParams());
  await startModules(buildModuleParams());

  assert.equal(receivedService, "catalogs-service");
  assert.deepEqual(listServices().sort(), ["catalogs:general"]);
});

test("module-loader falla cuando una dependencia usada no está declarada", async (t) => {
  resetModuleTestState();
  t.after(resetModuleTestState);

  registerModule({
    name: "catalogs",
    version: "1.0.0",
    setup: () => ({
      services: {
        general: {
          name: "catalogs-service",
        },
      },
    }),
  });

  registerModule({
    name: "companies",
    version: "1.0.0",
    start: ({ getService }) => {
      getService("catalogs:general");
    },
  });

  await assert.rejects(
    async () => {
      await initModules(buildModuleParams());
      await startModules(buildModuleParams());
    },
    /without declaring dependency on "catalogs"/i
  );
});

test("module-loader sigue detectando ciclos reales entre módulos", async (t) => {
  resetModuleTestState();
  t.after(resetModuleTestState);

  registerModule({
    name: "companies",
    version: "1.0.0",
    dependencies: ["catalogs"],
  });

  registerModule({
    name: "catalogs",
    version: "1.0.0",
    dependencies: ["companies"],
  });

  await assert.rejects(() => initModules(buildModuleParams()), /cyclic dependency detected/i);
});

test("module-loader rechaza la autoreferencia explícita por nombre de módulo", async (t) => {
  resetModuleTestState();
  t.after(resetModuleTestState);

  registerModule({
    name: "companies",
    version: "1.0.0",
    setup: () => ({
      services: {
        general: {
          name: "companies-service",
        },
      },
    }),
    start: ({ getService }) => {
      getService("companies:general");
    },
  });

  await assert.rejects(
    async () => {
      await initModules(buildModuleParams());
      await startModules(buildModuleParams());
    },
    /without declaring dependency on "companies"/i
  );
});