import { describe, expect, test, mock } from "bun:test";
import { createManifestRoute } from "../routes/manifest.ts";
import type { Runtime, Action } from "@gizmo-ai/runtime";

function createMockRuntime(state: Record<string, unknown>): Runtime<Record<string, unknown>, Action> {
  return {
    getState: () => state,
    dispatch: mock(() => {}),
    dispatchToReducer: mock(() => {}),
    resetState: mock(() => {}),
    execute: mock(() => ({
      included: Promise.resolve(),
      completed: Promise.resolve({ status: "completed" }),
      cancel: () => {},
    })),
    subscribe: () => () => {},
    subscribeToActions: () => () => {},
    getPluginGraph: () => ({ nodes: [], edges: [] }),
    getPlugins: () => [],
  } as Runtime<Record<string, unknown>, Action>;
}

describe("createManifestRoute", () => {
  test("returns stable agentId across sequential requests when not configured", async () => {
    const runtime = createMockRuntime({
      execution: { id: null, state: "idle" },
    });
    const app = createManifestRoute({ runtime, historyEnabled: false });

    const res1 = await app.request("/");
    const res2 = await app.request("/");

    expect(res1.status).toBe(200);
    expect(res2.status).toBe(200);

    const body1 = await res1.json() as { identity: { agentId: string } };
    const body2 = await res2.json() as { identity: { agentId: string } };

    expect(body1.identity.agentId).toBe(body2.identity.agentId);
  });

  test("uses configured agentId when provided", async () => {
    const runtime = createMockRuntime({
      execution: { id: null, state: "idle" },
    });
    const app = createManifestRoute({
      runtime,
      historyEnabled: false,
      manifestConfig: {
        identity: {
          agentId: "my-stable-id",
          name: "Test Agent",
          version: "1.0.0",
        },
      },
    });

    const res = await app.request("/");
    expect(res.status).toBe(200);

    const body = await res.json() as { identity: { agentId: string } };
    expect(body.identity.agentId).toBe("my-stable-id");
  });
});