/**
 * Curated GitHub Copilot GPT-4o registry coverage.
 *
 * The final Copilot allowlist keeps `gpt-4o-2024-11-20` but intentionally drops
 * the older bare `gpt-4o` alias. GPT-4o is a chat/completions model — it must
 * NOT use `openai-responses`.
 */
import test from "node:test";
import assert from "node:assert/strict";

const { REGISTRY } = await import("../../open-sse/config/providerRegistry.ts");
const { getModelsByProviderId } = await import("../../open-sse/config/providerModels.ts");

type ModelEntry = { id: string; name?: string; targetFormat?: string; [k: string]: unknown };

function githubModel(id: string): ModelEntry | undefined {
  const provider = (REGISTRY as Record<string, { models?: ModelEntry[] }>)["github"];
  return provider?.models?.find((m) => m.id === id);
}

test("github/gpt-4o-2024-11-20 is registered under the gh provider", () => {
  const model = githubModel("gpt-4o-2024-11-20");
  assert.ok(model, "gpt-4o-2024-11-20 must be registered under the github (gh) provider");
  assert.equal(typeof model?.name, "string");
});

test("github/gpt-4o-2024-11-20 routes via chat/completions (no openai-responses)", () => {
  const model = githubModel("gpt-4o-2024-11-20");
  assert.ok(model);
  assert.notEqual(
    model.targetFormat,
    "openai-responses",
    "GPT-4o on GitHub Copilot is a chat/completions model — Responses API would reject it"
  );
});

test("getModelsByProviderId(github) exposes gpt-4o-2024-11-20", () => {
  const models = getModelsByProviderId("github") as ModelEntry[];
  const gpt4o = models.find((m) => m.id === "gpt-4o-2024-11-20");
  assert.ok(gpt4o, "gpt-4o-2024-11-20 resolvable via getModelsByProviderId(github)");
  assert.equal(
    models.some((m) => m.id === "gpt-4o"),
    false,
    "bare gpt-4o is not in the curated list"
  );
});