import { BlockchainLifecycle } from '@0xproject/dev-utils';
import { Web3Wrapper } from '@0xproject/web3-wrapper';
import * as chai from 'chai';
import * as Web3 from 'web3';

import * as tokenTransferProxyJSON from '../../build/contracts/TokenTransferProxy.json';
import { Artifacts } from '../util/artifacts';
import { constants } from '../util/constants';
import { crypto } from '../util/crypto';
import { MultiSigWrapper } from '../util/multi_sig_wrapper';
import { ContractInstance, TransactionDataParams } from '../util/types';

import { chaiSetup } from './utils/chai_setup';
const { TokenTransferProxy, MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress } = new Artifacts(artifacts);
const PROXY_ABI = (tokenTransferProxyJSON as any).abi;

chaiSetup.configure();
const expect = chai.expect;
// In order to benefit from type-safety, we re-assign the global web3 instance injected by Truffle
// with type `any` to a variable of type `Web3`.
const web3: Web3 = (global as any).web3;
const blockchainLifecycle = new BlockchainLifecycle(constants.RPC_URL);

describe('MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress', () => {
    const web3Wrapper = new Web3Wrapper(web3.currentProvider);
    let owners: string[];
    const requiredApprovals = 2;
    const SECONDS_TIME_LOCKED = 1000000;

    // initialize fake addresses
    let authorizedAddress: string;
    let unauthorizedAddress: string;

    let tokenTransferProxy: ContractInstance;
    let multiSig: ContractInstance;
    let multiSigWrapper: MultiSigWrapper;

    let validDestination: string;
    before(async () => {
        const accounts = await web3Wrapper.getAvailableAddressesAsync();
        owners = [accounts[0], accounts[1]];
        authorizedAddress = `0x${crypto
            .solSHA3([accounts[0]])
            .slice(0, 20)
            .toString('hex')}`;
        unauthorizedAddress = `0x${crypto
            .solSHA3([accounts[1]])
            .slice(0, 20)
            .toString('hex')}`;
        const initialOwner = accounts[0];
        tokenTransferProxy = await TokenTransferProxy.new({ from: initialOwner });
        await tokenTransferProxy.addAuthorizedAddress(authorizedAddress, {
            from: initialOwner,
        });
        multiSig = await MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress.new(
            owners,
            requiredApprovals,
            SECONDS_TIME_LOCKED,
            tokenTransferProxy.address,
        );
        await tokenTransferProxy.transferOwnership(multiSig.address, {
            from: initialOwner,
        });
        multiSigWrapper = new MultiSigWrapper(multiSig);
        validDestination = tokenTransferProxy.address;
    });
    beforeEach(async () => {
        await blockchainLifecycle.startAsync();
    });
    afterEach(async () => {
        await blockchainLifecycle.revertAsync();
    });

    describe('isFunctionRemoveAuthorizedAddress', () => {
        it('should throw if data is not for removeAuthorizedAddress', async () => {
            const data = MultiSigWrapper.encodeFnArgs('addAuthorizedAddress', PROXY_ABI, [owners[0]]);
            return expect(multiSig.isFunctionRemoveAuthorizedAddress.call(data)).to.be.rejectedWith(constants.REVERT);
        });

        it('should return true if data is for removeAuthorizedAddress', async () => {
            const data = MultiSigWrapper.encodeFnArgs('removeAuthorizedAddress', PROXY_ABI, [owners[0]]);
            const isFunctionRemoveAuthorizedAddress = await multiSig.isFunctionRemoveAuthorizedAddress.call(data);
            expect(isFunctionRemoveAuthorizedAddress).to.be.true();
        });
    });

    describe('executeRemoveAuthorizedAddress', () => {
        it('should throw without the required confirmations', async () => {
            const dataParams: TransactionDataParams = {
                name: 'removeAuthorizedAddress',
                abi: PROXY_ABI,
                args: [authorizedAddress],
            };
            const res = await multiSigWrapper.submitTransactionAsync(validDestination, owners[0], dataParams);
            const txId = res.logs[0].args.transactionId.toString();

            return expect(multiSig.executeRemoveAuthorizedAddress(txId)).to.be.rejectedWith(constants.REVERT);
        });

        it('should throw if tx destination is not the tokenTransferProxy', async () => {
            const invalidTokenTransferProxy = await TokenTransferProxy.new();
            const invalidDestination = invalidTokenTransferProxy.address;
            const dataParams: TransactionDataParams = {
                name: 'removeAuthorizedAddress',
                abi: PROXY_ABI,
                args: [authorizedAddress],
            };
            const res = await multiSigWrapper.submitTransactionAsync(invalidDestination, owners[0], dataParams);
            const txId = res.logs[0].args.transactionId.toString();
            await multiSig.confirmTransaction(txId, { from: owners[1] });
            const isConfirmed = await multiSig.isConfirmed.call(txId);
            expect(isConfirmed).to.be.true();

            return expect(multiSig.executeRemoveAuthorizedAddress(txId)).to.be.rejectedWith(constants.REVERT);
        });

        it('should throw if tx data is not for removeAuthorizedAddress', async () => {
            const dataParams: TransactionDataParams = {
                name: 'addAuthorizedAddress',
                abi: PROXY_ABI,
                args: [unauthorizedAddress],
            };
            const res = await multiSigWrapper.submitTransactionAsync(validDestination, owners[0], dataParams);
            const txId = res.logs[0].args.transactionId.toString();
            await multiSig.confirmTransaction(txId, { from: owners[1] });
            const isConfirmed = await multiSig.isConfirmed.call(txId);
            expect(isConfirmed).to.be.true();

            return expect(multiSig.executeRemoveAuthorizedAddress(txId)).to.be.rejectedWith(constants.REVERT);
        });

        it('should execute removeAuthorizedAddress for valid tokenTransferProxy if fully confirmed', async () => {
            const dataParams: TransactionDataParams = {
                name: 'removeAuthorizedAddress',
                abi: PROXY_ABI,
                args: [authorizedAddress],
            };
            const res = await multiSigWrapper.submitTransactionAsync(validDestination, owners[0], dataParams);
            const txId = res.logs[0].args.transactionId.toString();
            await multiSig.confirmTransaction(txId, { from: owners[1] });
            const isConfirmed = await multiSig.isConfirmed.call(txId);
            expect(isConfirmed).to.be.true();
            await multiSig.executeRemoveAuthorizedAddress(txId);

            const isAuthorized = await tokenTransferProxy.authorized.call(authorizedAddress);
            expect(isAuthorized).to.be.false();
        });

        it('should throw if already executed', async () => {
            const dataParams: TransactionDataParams = {
                name: 'removeAuthorizedAddress',
                abi: PROXY_ABI,
                args: [authorizedAddress],
            };
            const res = await multiSigWrapper.submitTransactionAsync(validDestination, owners[0], dataParams);
            const txId = res.logs[0].args.transactionId.toString();
            await multiSig.confirmTransaction(txId, { from: owners[1] });
            const isConfirmed = await multiSig.isConfirmed.call(txId);
            expect(isConfirmed).to.be.true();
            await multiSig.executeRemoveAuthorizedAddress(txId);
            const tx = await multiSig.transactions.call(txId);
            const isExecuted = tx[3];
            expect(isExecuted).to.be.true();
            return expect(multiSig.executeRemoveAuthorizedAddress(txId)).to.be.rejectedWith(constants.REVERT);
        });
    });
});