import { describe, expect, it, vi } from "vitest";
import { registerSingleProviderPlugin } from "../../test/helpers/plugins/plugin-registration.js";
import openrouterPlugin from "./index.js";

describe("openrouter provider hooks", () => {
  it("owns native reasoning output mode", async () => {
    const provider = await registerSingleProviderPlugin(openrouterPlugin);

    expect(
      provider.resolveReasoningOutputMode?.({
        provider: "openrouter",
        modelApi: "openai-completions",
        modelId: "openai/gpt-5.4",
      } as never),
    ).toBe("native");
  });

  it("injects provider routing into compat before applying stream wrappers", async () => {
    const provider = await registerSingleProviderPlugin(openrouterPlugin);
    const baseStreamFn = vi.fn(() => ({ async *[Symbol.asyncIterator]() {} }) as never);

    const wrapped = provider.wrapStreamFn?.({
      provider: "openrouter",
      modelId: "openai/gpt-5.4",
      extraParams: {
        provider: {
          order: ["moonshot"],
        },
      },
      streamFn: baseStreamFn,
      thinkingLevel: "high",
    } as never);

    wrapped?.(
      {
        provider: "openrouter",
        api: "openai-completions",
        id: "openai/gpt-5.4",
        compat: {},
      } as never,
      { messages: [] } as never,
      {},
    );

    expect(baseStreamFn).toHaveBeenCalledOnce();
    expect(baseStreamFn.mock.calls[0]?.[0]).toMatchObject({
      compat: {
        openRouterRouting: {
          order: ["moonshot"],
        },
      },
    });
  });
});