pragma solidity =0.6.6;

import '../interfaces/IPangolinRouter.sol';

contract RouterEventEmitter {
    event Amounts(uint[] amounts);

    receive() external payable {}

    function swapExactTokensForTokens(
        address router,
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external {
        (bool success, bytes memory returnData) = router.delegatecall(abi.encodeWithSelector(
            IPangolinRouter(router).swapExactTokensForTokens.selector, amountIn, amountOutMin, path, to, deadline
        ));
        assert(success);
        emit Amounts(abi.decode(returnData, (uint[])));
    }

    function swapTokensForExactTokens(
        address router,
        uint amountOut,
        uint amountInMax,
        address[] calldata path,
        address to,
        uint deadline
    ) external {
        (bool success, bytes memory returnData) = router.delegatecall(abi.encodeWithSelector(
            IPangolinRouter(router).swapTokensForExactTokens.selector, amountOut, amountInMax, path, to, deadline
        ));
        assert(success);
        emit Amounts(abi.decode(returnData, (uint[])));
    }

    function swapExactAVAXForTokens(
        address router,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable {
        (bool success, bytes memory returnData) = router.delegatecall(abi.encodeWithSelector(
            IPangolinRouter(router).swapExactAVAXForTokens.selector, amountOutMin, path, to, deadline
        ));
        assert(success);
        emit Amounts(abi.decode(returnData, (uint[])));
    }

    function swapTokensForExactAVAX(
        address router,
        uint amountOut,
        uint amountInMax,
        address[] calldata path,
        address to,
        uint deadline
    ) external {
        (bool success, bytes memory returnData) = router.delegatecall(abi.encodeWithSelector(
            IPangolinRouter(router).swapTokensForExactAVAX.selector, amountOut, amountInMax, path, to, deadline
        ));
        assert(success);
        emit Amounts(abi.decode(returnData, (uint[])));
    }

    function swapExactTokensForAVAX(
        address router,
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external {
        (bool success, bytes memory returnData) = router.delegatecall(abi.encodeWithSelector(
            IPangolinRouter(router).swapExactTokensForAVAX.selector, amountIn, amountOutMin, path, to, deadline
        ));
        assert(success);
        emit Amounts(abi.decode(returnData, (uint[])));
    }

    function swapAVAXForExactTokens(
        address router,
        uint amountOut,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable {
        (bool success, bytes memory returnData) = router.delegatecall(abi.encodeWithSelector(
            IPangolinRouter(router).swapAVAXForExactTokens.selector, amountOut, path, to, deadline
        ));
        assert(success);
        emit Amounts(abi.decode(returnData, (uint[])));
    }
}