import { readFile } from "node:fs/promises";
import {
  type CapabilityId,
  parseModuleManifest,
  type RegisteredCapability,
} from "@ekklesia/module-sdk";
import { getTableConfig } from "drizzle-orm/pg-core";
import { describe, expect, it } from "vitest";
import moduleSchema, { records } from "../src/schema/index.js";
import moduleRuntime, { recordsCapability } from "../src/server/index.js";

describe("module template", () => {
  it("ships a valid backend-only manifest", async () => {
    const manifestUrl = new URL("../ekklesia.module.json", import.meta.url);
    const manifestInput = JSON.parse(await readFile(manifestUrl, "utf8")) as unknown;
    const manifest = parseModuleManifest(manifestInput);

    expect(manifest.id).toBe("example");
    expect(manifest.capabilities).toEqual([{ id: "example.records", version: "1.0.0" }]);
    expect(manifest.storage.buckets.map((bucket) => bucket.id)).toEqual(["records"]);
    expect(manifest.entrypoints.schema).toBe("./dist/schema/index.js");
  });

  it("exports the typed runtime definition used by the compiled server entrypoint", async () => {
    const provided = new Map<CapabilityId, unknown>();
    await moduleRuntime.register?.({
      capabilities: {
        provide(capabilityId, implementation) {
          provided.set(capabilityId, implementation);
        },
        resolve(_capabilityId: CapabilityId): RegisteredCapability | undefined {
          return undefined;
        },
      },
      moduleId: "example",
    });

    expect(moduleRuntime).toMatchObject({ id: "example", version: "0.1.0" });
    expect(provided.get("example.records")).toBe(recordsCapability);
  });

  it("exports a namespaced module-owned Drizzle schema", () => {
    expect(moduleSchema.moduleId).toBe("example");
    expect(moduleSchema.tables.records).toBe(records);
    expect(getTableConfig(records)).toMatchObject({ name: "example_records", schema: undefined });
  });
});