// SPDX-License-Identifier: MIT
pragma solidity 0.8.15;

import { Bridge_Initializer } from "./CommonTest.t.sol";
import { stdStorage, StdStorage } from "forge-std/Test.sol";
import { CrossDomainMessenger } from "../universal/CrossDomainMessenger.sol";
import { Predeploys } from "../libraries/Predeploys.sol";
import { console } from "forge-std/console.sol";

contract L2StandardBridge_Test is Bridge_Initializer {
    using stdStorage for StdStorage;

    function setUp() public override {
        super.setUp();
    }

    function test_initialize_succeeds() external {
        assertEq(address(L2Bridge.messenger()), address(L2Messenger));
        assertEq(L1Bridge.l2TokenBridge(), address(L2Bridge));
        assertEq(address(L2Bridge.OTHER_BRIDGE()), address(L1Bridge));
    }

    // receive
    // - can accept ETH
    function test_receive_succeeds() external {
        assertEq(address(messagePasser).balance, 0);

        vm.expectEmit(true, true, true, true);
        emit ETHBridgeInitiated(alice, alice, 100, hex"");

        // TODO: L2Messenger should be called
        // TODO: L2ToL1MessagePasser should be called
        // TODO: withdrawal hash should be computed correctly
        // TODO: events from each contract

        vm.prank(alice, alice);
        (bool success, ) = address(L2Bridge).call{ value: 100 }(hex"");
        assertEq(success, true);
        assertEq(address(messagePasser).balance, 100);
    }

    // withrdraw
    // - requires amount == msg.value
    function test_withdraw_insufficientValue_reverts() external {
        assertEq(address(messagePasser).balance, 0);

        vm.expectRevert("StandardBridge: bridging ETH must include sufficient ETH value");
        vm.prank(alice, alice);
        L2Bridge.withdraw(address(Predeploys.LEGACY_ERC20_ETH), 100, 1000, hex"");
    }

    // withdraw
    // - token is burned
    // - emits WithdrawalInitiated
    // - calls Withdrawer.initiateWithdrawal
    function test_withdraw_succeeds() external {
        // Alice has 100 L2Token
        deal(address(L2Token), alice, 100, true);
        assertEq(L2Token.balanceOf(alice), 100);

        vm.prank(alice, alice);
        L2Bridge.withdraw(address(L2Token), 100, 1000, hex"");

        // TODO: events and calls

        assertEq(L2Token.balanceOf(alice), 0);
    }

    function test_withdraw_notEOA_reverts() external {
        // This contract has 100 L2Token
        deal(address(L2Token), address(this), 100, true);

        vm.expectRevert("StandardBridge: function can only be called from an EOA");
        L2Bridge.withdraw(address(L2Token), 100, 1000, hex"");
    }

    // withdrawTo
    // - token is burned
    // - emits WithdrawalInitiated w/ correct recipient
    // - calls Withdrawer.initiateWithdrawal
    function test_withdrawTo_succeeds() external {
        deal(address(L2Token), alice, 100, true);

        vm.prank(alice, alice);
        L2Bridge.withdrawTo(address(L2Token), bob, 100, 1000, hex"");

        // TODO: events and calls

        assertEq(L2Token.balanceOf(alice), 0);
    }

    // finalizeDeposit
    // - only callable by l1TokenBridge
    // - supported token pair emits DepositFinalized
    // - invalid deposit calls Withdrawer.initiateWithdrawal
    function test_finalizeDeposit_succeeds() external {
        // TODO: events and calls

        vm.mockCall(
            address(L2Bridge.messenger()),
            abi.encodeWithSelector(CrossDomainMessenger.xDomainMessageSender.selector),
            abi.encode(address(L2Bridge.OTHER_BRIDGE()))
        );
        vm.expectEmit(true, true, true, true, address(L2Bridge));
        emit ERC20BridgeFinalized(
            address(L2Token), // localToken
            address(L1Token), // remoteToken
            alice,
            alice,
            100,
            hex""
        );
        vm.expectEmit(true, true, true, true, address(L2Bridge));
        emit DepositFinalized(address(L1Token), address(L2Token), alice, alice, 100, hex"");
        vm.prank(address(L2Messenger));
        L2Bridge.finalizeDeposit(address(L1Token), address(L2Token), alice, alice, 100, hex"");
    }

    function test_finalizeBridgeETH_incorrectValue_reverts() external {
        vm.mockCall(
            address(L2Bridge.messenger()),
            abi.encodeWithSelector(CrossDomainMessenger.xDomainMessageSender.selector),
            abi.encode(address(L2Bridge.OTHER_BRIDGE()))
        );
        vm.deal(address(L2Messenger), 100);
        vm.prank(address(L2Messenger));
        vm.expectRevert("StandardBridge: amount sent does not match amount required");
        L2Bridge.finalizeBridgeETH{ value: 50 }(alice, alice, 100, hex"");
    }

    function test_finalizeBridgeETH_sendToSelf_reverts() external {
        vm.mockCall(
            address(L2Bridge.messenger()),
            abi.encodeWithSelector(CrossDomainMessenger.xDomainMessageSender.selector),
            abi.encode(address(L2Bridge.OTHER_BRIDGE()))
        );
        vm.deal(address(L2Messenger), 100);
        vm.prank(address(L2Messenger));
        vm.expectRevert("StandardBridge: cannot send to self");
        L2Bridge.finalizeBridgeETH{ value: 100 }(alice, address(L2Bridge), 100, hex"");
    }

    function test_finalizeBridgeETH_sendToMessenger_reverts() external {
        vm.mockCall(
            address(L2Bridge.messenger()),
            abi.encodeWithSelector(CrossDomainMessenger.xDomainMessageSender.selector),
            abi.encode(address(L2Bridge.OTHER_BRIDGE()))
        );
        vm.deal(address(L2Messenger), 100);
        vm.prank(address(L2Messenger));
        vm.expectRevert("StandardBridge: cannot send to messenger");
        L2Bridge.finalizeBridgeETH{ value: 100 }(alice, address(L2Messenger), 100, hex"");
    }
}