import { describe, it, expect, vi, beforeEach } from "vitest";
import { AggregatorAdapter } from "../../../src/adapters/aggregators.js";

describe("Aggregator Adapter", () => {
  let adapter: AggregatorAdapter;
  let mockProvider: any;

  beforeEach(() => {
    mockProvider = {
      getNetwork: vi.fn().mockResolvedValue({ chainId: 1n }),
      call: vi.fn(),
    };

    vi.spyOn(require("ethers"), "JsonRpcProvider").mockImplementation(() => mockProvider);
    vi.spyOn(require("ethers"), "Contract").mockImplementation(() => ({
      swap: vi.fn(),
      transformERC20: vi.fn(),
      interface: {
        encodeFunctionData: vi.fn(),
      },
    }));

    // Mock fetch
    global.fetch = vi.fn();
  });

  it("should get 1inch quote", async () => {
    adapter = new AggregatorAdapter("mainnet");
    
    // Mock 1inch API response
    (global.fetch as any).mockResolvedValueOnce({
      ok: true,
      json: async () => ({
        toAmount: "1000000",
      }),
    });

    (global.fetch as any).mockResolvedValueOnce({
      ok: true,
      json: async () => ({
        tx: {
          data: "0x1234",
          to: "0x1111111254EEB25477B68fb85Ed929f73A960582",
        },
      }),
    });

    const quote = await adapter.get1InchQuote(
      "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
      "0xdAC17F958D2ee523a2206206994597C13D831ec7",
      1000000n,
      50
    );

    expect(quote).toBeDefined();
    expect(quote?.amountOut).toBeGreaterThan(0n);
    expect(quote?.data).toBeDefined();
  });

  it("should fallback when 1inch API fails", async () => {
    adapter = new AggregatorAdapter("mainnet");
    
    // Mock API failure
    (global.fetch as any).mockResolvedValueOnce({
      ok: false,
    });

    const quote = await adapter.get1InchQuote(
      "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
      "0xdAC17F958D2ee523a2206206994597C13D831ec7",
      1000000n,
      50
    );

    // Should return fallback quote
    expect(quote).toBeDefined();
  });
});