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

describe("Perps Adapter", () => {
  let adapter: PerpsAdapter;
  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(() => ({
      increasePosition: vi.fn(),
      decreasePosition: vi.fn(),
      interface: {
        encodeFunctionData: vi.fn(),
      },
    }));
  });

  it("should encode increase position", async () => {
    adapter = new PerpsAdapter("mainnet");
    
    const params = {
      path: ["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"],
      indexToken: "0xdAC17F958D2ee523a2206206994597C13D831ec7",
      amountIn: 1000000n,
      minOut: 990000n,
      sizeDelta: 2000000n,
      isLong: true,
      acceptablePrice: 1000000n,
    };

    const data = await adapter.increasePosition(params);
    expect(data).toBeDefined();
    expect(data.to).toBeDefined();
    expect(data.data).toBeDefined();
  });

  it("should encode decrease position", async () => {
    adapter = new PerpsAdapter("mainnet");
    
    const params = {
      path: ["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"],
      indexToken: "0xdAC17F958D2ee523a2206206994597C13D831ec7",
      collateralDelta: 500000n,
      sizeDelta: 1000000n,
      isLong: true,
      receiver: "0x123",
      acceptablePrice: 1000000n,
    };

    const data = await adapter.decreasePosition(params);
    expect(data).toBeDefined();
    expect(data.to).toBeDefined();
    expect(data.data).toBeDefined();
  });
});