import { describe, expect, it } from "vitest";
import { registerProviderPlugin } from "../../test/helpers/plugins/provider-registration.js";
import { expectPassthroughReplayPolicy } from "../../test/helpers/provider-replay-policy.ts";
import plugin from "./index.js";

describe("opencode provider plugin", () => {
  it("registers image media understanding through the OpenCode plugin", async () => {
    const { mediaProviders } = await registerProviderPlugin({
      plugin,
      id: "opencode",
      name: "OpenCode Zen Provider",
    });

    expect(mediaProviders).toEqual(
      expect.arrayContaining([
        expect.objectContaining({
          id: "opencode",
          capabilities: ["image"],
          defaultModels: { image: "gpt-5-nano" },
          describeImage: expect.any(Function),
          describeImages: expect.any(Function),
        }),
      ]),
    );
  });

  it("owns passthrough-gemini replay policy for Gemini-backed models", async () => {
    await expectPassthroughReplayPolicy({
      plugin,
      providerId: "opencode",
      modelId: "gemini-2.5-pro",
      sanitizeThoughtSignatures: true,
    });
  });

  it("keeps non-Gemini replay policy minimal on passthrough routes", async () => {
    await expectPassthroughReplayPolicy({
      plugin,
      providerId: "opencode",
      modelId: "claude-opus-4.6",
    });
  });
});