import fs from 'fs';
import path from 'path';
import hardhat, { ethers } from 'hardhat';
import {
  type ERC20Mock,
  type InstanceRegistry,
  ERC20Mock__factory,
  TORN__factory,
  Governance__factory,
  ETHTornado__factory,
  ERC20Tornado__factory,
  Vesting__factory,
  TestnetGovernanceProxy__factory,
  TestnetAdminProxy__factory,
  GasCompensationVault__factory,
  InstanceRegistry__factory,
  GovernanceProposalStateUpgrade__factory,
  RelayerRegistry__factory,
  TornadoStakingRewards__factory,
  TornadoRouter__factory,
  TornadoVault__factory,
  Echoer__factory,
  TestnetFeeManager__factory,
} from '../typechain-types';
import type { SignerWithAddress } from '@nomicfoundation/hardhat-ethers/signers';
const {
  ZeroAddress,
  parseEther,
  deployContract
} = ethers;

type contracts = {
  [key in string]: {
    DAI: string,
    ENS: string,
  }
}

const contracts: contracts = {
  hardhat: {
    DAI: '',
    ENS: '',
  },
  develop: {
    DAI: '',
    ENS: '0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e',
  },
  sepolia: {
    // https://staging.aave.com/faucet/
    DAI: '0xFF34B3d4Aee8ddCd6F9AFFFB6Fe49bD371b8a357',
    ENS: '0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e',
  }
};

// eslint-disable-next-line @typescript-eslint/no-unused-vars
const toFixedHex = (number: number, length = 32) => {
  return '0x' + BigInt(number).toString(16).padStart(length * 2, '0');
};

async function deployHasher(owner: SignerWithAddress) {
  const bytecode = fs.readFileSync(path.join(__dirname, './hasherBytecode.txt'), { encoding: 'utf8' });

  const txReceipt = await owner.sendTransaction({ data: bytecode }).then(t => t.wait());

  return txReceipt?.contractAddress as unknown as string;
}

async function deployInstances() {
  const [owner] = await ethers.getSigners();
  const { DAI: daiAddress } = contracts[hardhat.network.name];

  let DAI: ERC20Mock;

  if (!daiAddress) {
    DAI = await new ERC20Mock__factory(owner).deploy();
    await DAI.waitForDeployment();

    await DAI.mint(owner.address, parseEther('100000000')).then(t => t.wait());
  } else {
    DAI = ERC20Mock__factory.connect(daiAddress, owner);
  }

  const Hasher = await deployHasher(owner);

  const Verifier = await deployContract('Verifier');
  await Verifier.waitForDeployment();

  const ETHTornadoFactory = new ETHTornado__factory(owner);

  const ETHTornado1 = await ETHTornadoFactory.deploy(Verifier.target, Hasher, parseEther('0.1'), 20);
  await ETHTornado1.waitForDeployment();
  const ETHTornado2 = await ETHTornadoFactory.deploy(Verifier.target, Hasher, parseEther('1'), 20);
  await ETHTornado2.waitForDeployment();
  const ETHTornado3 = await ETHTornadoFactory.deploy(Verifier.target, Hasher, parseEther('10'), 20);
  await ETHTornado3.waitForDeployment();
  const ETHTornado4 = await ETHTornadoFactory.deploy(Verifier.target, Hasher, parseEther('100'), 20);
  await ETHTornado4.waitForDeployment();

  // Check if deposit works
  // console.log(await ETHTornado1.deposit(toFixedHex(42), { value: parseEther('0.1') }).then(t => t.wait()))

  const DAITornadoFactory = new ERC20Tornado__factory(owner);

  const DAITornado1 = await DAITornadoFactory.deploy(Verifier.target, Hasher, parseEther('100'), 20, DAI.target);
  await DAITornado1.waitForDeployment();
  const DAITornado2 = await DAITornadoFactory.deploy(Verifier.target, Hasher, parseEther('1000'), 20, DAI.target);
  await DAITornado2.waitForDeployment();
  const DAITornado3 = await DAITornadoFactory.deploy(Verifier.target, Hasher, parseEther('10000'), 20, DAI.target);
  await DAITornado3.waitForDeployment();
  const DAITornado4 = await DAITornadoFactory.deploy(Verifier.target, Hasher, parseEther('100000'), 20, DAI.target);
  await DAITornado4.waitForDeployment();

  const ethInstance = {
    isERC20: false,
    token: ZeroAddress,
    state: 1,
    uniswapPoolSwappingFee: 0,
    protocolFeePercentage: 0,
  };

  const daiInstance = {
    isERC20: true,
    token: DAI.target,
    state: 1,
    uniswapPoolSwappingFee: 3000,
    protocolFeePercentage: 0,
  };

  const instances = [
    {
      addr: ETHTornado1.target,
      instance: ethInstance,
    },
    {
      addr: ETHTornado2.target,
      instance: {
        ...ethInstance,
        protocolFeePercentage: 30,
      },
    },
    {
      addr: ETHTornado3.target,
      instance: {
        ...ethInstance,
        protocolFeePercentage: 30,
      },
    },
    {
      addr: ETHTornado4.target,
      instance: {
        ...ethInstance,
        protocolFeePercentage: 30,
      },
    },
    {
      addr: DAITornado1.target,
      instance: daiInstance,
    },
    {
      addr: DAITornado2.target,
      instance: daiInstance,
    },
    {
      addr: DAITornado3.target,
      instance: {
        ...daiInstance,
        protocolFeePercentage: 30,
      },
    },
    {
      addr: DAITornado4.target,
      instance: {
        ...daiInstance,
        protocolFeePercentage: 30,
      },
    },
  ];

  console.log({
    DAI: DAI.target,
    Hasher: Hasher,
    Verifier: Verifier.target,
    instances,
  });

  return {
    DAI,
    Hasher,
    Verifier,
    instances,
  };
}

async function deployGovernance(instances: InstanceRegistry.TornadoStruct[]): Promise<void> {
  const [owner] = await ethers.getSigners();
  const { ENS: ensAddress } = contracts[hardhat.network.name];

  // Deploy V1 logic contact first
  const GovernanceV1 = await new Governance__factory(owner).deploy();
  await GovernanceV1.waitForDeployment();

  // This is what almost every contract would need for constructor args
  const GovernanceProxy = await new TestnetGovernanceProxy__factory(owner).deploy(GovernanceV1.target, '0x');
  await GovernanceProxy.waitForDeployment();

  const TORN = await new TORN__factory(owner).deploy(
    GovernanceProxy.target,
    0,
    [
      {
        to: owner.address,
        amount: parseEther('10000000')
      }
    ]
  );
  await TORN.waitForDeployment();

  // Initialize governance v1 with TORN address
  await (Governance__factory.connect(GovernanceProxy.target as string, owner)).initialize(TORN.target).then(t => t.wait());

  // Create governance vesting contract
  const GovernanceVesting = await new Vesting__factory(owner).deploy(
    TORN.target,
    GovernanceProxy.target,
    0,
    3,
    60
  );
  await GovernanceVesting.waitForDeployment();

  await TORN.transfer(GovernanceVesting.target, parseEther('2500000')).then(t => t.wait());

  // Deploy other governance contracts
  const ProxyFactory = new TestnetAdminProxy__factory(owner);

  // Deploy gas compensation vault
  const GasCompensationVault = await new GasCompensationVault__factory(owner).deploy(GovernanceProxy.target);
  await GasCompensationVault.waitForDeployment();

  // Deploy user vault
  const TornadoVault = await new TornadoVault__factory(owner).deploy(TORN.target, GovernanceProxy.target);
  await TornadoVault.waitForDeployment();

  // Deploy instance registry
  const InstanceRegistryImpl = await new InstanceRegistry__factory(owner).deploy(GovernanceProxy.target);
  await InstanceRegistryImpl.waitForDeployment();

  const InstanceRegistryProxy = await ProxyFactory.deploy(InstanceRegistryImpl.target, GovernanceProxy.target, '0x');
  await InstanceRegistryProxy.waitForDeployment();

  // Deploy FeeManager
  const FeeManagerImpl = await new TestnetFeeManager__factory(owner).deploy(TORN.target, GovernanceProxy.target, InstanceRegistryProxy.target);
  await FeeManagerImpl.waitForDeployment();

  const FeeManagerProxy = await ProxyFactory.deploy(FeeManagerImpl.target, GovernanceProxy.target, '0x');
  await FeeManagerProxy.waitForDeployment();

  // Deploy RelayerRegistry & TornadoStakingRewards
  const RelayerRegistryMock = await new RelayerRegistry__factory(owner).deploy(
    TORN.target,
    GovernanceProxy.target,
    ensAddress || ZeroAddress,
    ZeroAddress, // Use this as zero address as we don't know the proxy address yet
    FeeManagerProxy.target,
  );
  await RelayerRegistryMock.waitForDeployment();

  const RelayerRegistryProxy = await ProxyFactory.deploy(RelayerRegistryMock.target, GovernanceProxy.target, '0x');
  await RelayerRegistryProxy.waitForDeployment();

  const TornadoStakingRewardsImpl = await new TornadoStakingRewards__factory(owner).deploy(
    GovernanceProxy.target,
    TORN.target,
    RelayerRegistryProxy.target
  );
  await TornadoStakingRewardsImpl.waitForDeployment();

  const TornadoStakingRewardsProxy = await ProxyFactory.deploy(TornadoStakingRewardsImpl.target, GovernanceProxy.target, '0x');
  await TornadoStakingRewardsProxy.waitForDeployment();

  const RelayerRegistryImpl = await new RelayerRegistry__factory(owner).deploy(
    TORN.target,
    GovernanceProxy.target,
    ensAddress || ZeroAddress,
    TornadoStakingRewardsProxy.target,
    FeeManagerProxy.target,
  );
  await RelayerRegistryImpl.waitForDeployment();

  await (TestnetAdminProxy__factory.connect(RelayerRegistryProxy.target as string, owner)).upgradeToOwner(RelayerRegistryImpl.target).then(t => t.wait());

  // Deploy Echoer
  const Echoer = await new Echoer__factory(owner).deploy();
  await Echoer.waitForDeployment();

  // Deploy TornadoRouter
  const TornadoRouter = await new TornadoRouter__factory(owner).deploy(
    GovernanceProxy.target,
    InstanceRegistryProxy.target,
    RelayerRegistryProxy.target
  );
  await TornadoRouter.waitForDeployment();

  // Initialize InstanceRegistry
  await (InstanceRegistry__factory.connect(InstanceRegistryProxy.target as string, owner)).initialize(
    instances,
    TornadoRouter.target
  ).then(t => t.wait());

  // Initialize RelayerRegistry
  await (RelayerRegistry__factory.connect(RelayerRegistryProxy.target as string, owner)).initialize(
    TornadoRouter.target
  ).then(t => t.wait());

  // Upgrade Governance
  const GovernanceV5 = await new GovernanceProposalStateUpgrade__factory(owner).deploy(
    TornadoStakingRewardsProxy.target,
    GasCompensationVault.target,
    TornadoVault.target
  );
  await GovernanceV5.waitForDeployment();

  await (TestnetGovernanceProxy__factory.connect(GovernanceProxy.target as string, owner)).upgradeToOwner(GovernanceV5.target).then(t => t.wait());

  // Finalize contracts
  await owner.sendTransaction({ to: GasCompensationVault.target, value: parseEther('0.1') }).then(t => t.wait());

  console.log({
    TORN: TORN.target,
    GovernanceProxy: GovernanceProxy.target,
    GovernanceV1: GovernanceV1.target,
    GovernanceV5: GovernanceV5.target,
    GovernanceVesting: GovernanceVesting.target,
    GasCompensationVault: GasCompensationVault.target,
    TornadoVault: TornadoVault.target,
    InstanceRegistryProxy: InstanceRegistryProxy.target,
    InstanceRegistryImpl: InstanceRegistryImpl.target,
    FeeManagerProxy: FeeManagerProxy.target,
    FeeManagerImpl: FeeManagerImpl.target,
    RelayerRegistryProxy: RelayerRegistryProxy.target,
    RelayerRegistryImpl: RelayerRegistryImpl.target,
    RelayerRegistryMock: RelayerRegistryMock.target,
    TornadoStakingRewardsProxy: TornadoStakingRewardsProxy.target,
    TornadoStakingRewardsImpl: TornadoStakingRewardsImpl.target,
    TornadoRouter: TornadoRouter.target,
    Echoer: Echoer.target,
  });
}

async function deploy() {
  const { instances } = await deployInstances();
  await deployGovernance(instances);
}

deploy();