import { describe, expect, it, beforeEach, afterEach } from "vitest";
import { createExchangeAdapter, resolveExchangeId } from "../src/exchanges/create-adapter";
import { AsterExchangeAdapter } from "../src/exchanges/aster-adapter";
import { GrvtExchangeAdapter } from "../src/exchanges/grvt/adapter";

const ORIGINAL_ENV = { ...process.env };

beforeEach(() => {
  process.env = { ...ORIGINAL_ENV };
});

afterEach(() => {
  process.env = { ...ORIGINAL_ENV };
});

describe("exchange factory", () => {
  it("defaults to aster when no env is provided", () => {
    delete process.env.EXCHANGE;
    const adapter = createExchangeAdapter({ symbol: "BTCUSDT" });
    expect(adapter).toBeInstanceOf(AsterExchangeAdapter);
    expect(adapter.id).toBe("aster");
  });

  it("resolves exchange id case-insensitively", () => {
    expect(resolveExchangeId("Grvt")).toBe("grvt");
    expect(resolveExchangeId("ASTER")).toBe("aster");
  });

  it("creates grvt adapter when EXCHANGE=grvt", () => {
    process.env.EXCHANGE = "grvt";
    process.env.GRVT_API_KEY = "api-key";
    process.env.GRVT_API_SECRET = "0x" + "1".repeat(64);
    process.env.GRVT_SUB_ACCOUNT_ID = "sub";
    process.env.GRVT_INSTRUMENT = "BTC_USDT_Perp";
    process.env.GRVT_SYMBOL = "BTCUSDT";
    delete process.env.GRVT_SIGNER_PATH;

    const adapter = createExchangeAdapter({ symbol: "BTCUSDT" });
    expect(adapter).toBeInstanceOf(GrvtExchangeAdapter);
    expect(adapter.id).toBe("grvt");
  });
});