// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;

import {Test, console} from "forge-std/Test.sol";
import "../../../contracts/bridge/trustless/SwapRouter.sol";
import "../../../contracts/bridge/trustless/LiquidityPoolETH.sol";

/**
 * @title DEXIntegrationTest
 * @notice Test suite for DEX integration
 */
contract DEXIntegrationTest is Test {
    SwapRouter public swapRouter;
    LiquidityPoolETH public liquidityPool;

    address public constant WETH = address(0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2);
    address public constant UNISWAP_V3_ROUTER = address(0xE592427A0AEce92De3Edee1F18E0157C05861564);
    address public constant CURVE_3POOL = address(0xbEbc44782C7dB0a1A60Cb6fe97d0b483032FF1C7);
    address public constant ONEINCH_ROUTER = address(0x1111111254EEB25477B68fb85Ed929f73A960582);
    address public constant USDT = address(0xdAC17F958D2ee523a2206206994597C13D831ec7);
    address public constant USDC = address(0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48);
    address public constant DAI = address(0x6B175474E89094C44Da98b954EedeAC495271d0F);

    function setUp() public {
        liquidityPool = new LiquidityPoolETH(WETH, 5, 11000);
        swapRouter = new SwapRouter(
            UNISWAP_V3_ROUTER,
            CURVE_3POOL,
            ONEINCH_ROUTER,
            WETH,
            USDT,
            USDC,
            DAI
        );
    }

    function test_SwapRouter_Addresses() public {
        // Test contract addresses are set correctly
        assertEq(swapRouter.uniswapV3Router(), UNISWAP_V3_ROUTER, "Uniswap router should match");
        assertEq(swapRouter.weth(), WETH, "WETH address should match");
        assertEq(swapRouter.usdt(), USDT, "USDT address should match");
        assertEq(swapRouter.usdc(), USDC, "USDC address should match");
        assertEq(swapRouter.dai(), DAI, "DAI address should match");
    }

    function test_SwapRouter_FeeTiers() public {
        // Test fee tier constants
        assertEq(swapRouter.FEE_TIER_LOW(), 500, "Low fee tier should be 0.05%");
        assertEq(swapRouter.FEE_TIER_MEDIUM(), 3000, "Medium fee tier should be 0.3%");
        assertEq(swapRouter.FEE_TIER_HIGH(), 10000, "High fee tier should be 1%");
    }

    // Note: Actual swap execution tests would require:
    // 1. Forking mainnet, or
    // 2. Using mock DEX contracts, or
    // 3. Integration testing on testnet
    // This is a placeholder for integration tests

    // Note: Actual swap tests would require forking mainnet or using mocks
    // This is a placeholder for integration tests
}