import { describe, expect, it } from "vitest";
import * as shared from "../src/index.js";

function modelSchema(): { safeParse(value: unknown): { success: boolean } } {
  const candidate = Reflect.get(shared, "ModelConnectionInputSchema");
  expect(candidate, "ModelConnectionInputSchema must be exported").toBeDefined();
  return candidate;
}

const valid = {
  providerId: "openai",
  api: "openai-responses",
  modelId: "gpt-image",
  supportsImages: true,
};

describe("ModelConnectionInputSchema", () => {
  it("accepts a supported API with bounded model metadata", () => {
    expect(modelSchema().safeParse({
      ...valid,
      baseUrl: "https://api.example.com/v1",
      apiKey: "sk-example",
      displayName: "Training model",
      contextWindow: 128_000,
      maxTokens: 4096,
    }).success).toBe(true);
  });

  it("rejects unknown fields instead of silently stripping them", () => {
    expect(modelSchema().safeParse({ ...valid, headers: { authorization: "secret" } }).success).toBe(false);
  });

  it.each(["gemini", "openai-chat", ""])("rejects unsupported API %s", (api) => {
    expect(modelSchema().safeParse({ ...valid, api }).success).toBe(false);
  });
});