import { Contract } from 'ethers';
import { DRE } from './misc-utils';
import {
  tEthereumAddress,
  eContractid,
  tStringTokenSmallUnits,
  AavePools,
  TokenContractId,
  iMultiPoolsAssets,
  IReserveParams,
  PoolConfiguration,
  eEthereumNetwork,
} from './types';
import { MintableERC20 } from '../types/MintableERC20';
import { MockContract } from 'ethereum-waffle';
import { getReservesConfigByPool } from './configuration';
import { getFirstSigner } from './contracts-getters';
import { ZERO_ADDRESS } from './constants';
import {
  AaveProtocolDataProviderFactory,
  ATokenFactory,
  ATokensAndRatesHelperFactory,
  AaveOracleFactory,
  DefaultReserveInterestRateStrategyFactory,
  DelegationAwareATokenFactory,
  InitializableAdminUpgradeabilityProxyFactory,
  LendingPoolAddressesProviderFactory,
  LendingPoolAddressesProviderRegistryFactory,
  LendingPoolCollateralManagerFactory,
  LendingPoolConfiguratorFactory,
  LendingPoolFactory,
  LendingRateOracleFactory,
  MintableDelegationERC20Factory,
  MintableERC20Factory,
  MockAggregatorFactory,
  MockATokenFactory,
  MockFlashLoanReceiverFactory,
  MockStableDebtTokenFactory,
  MockVariableDebtTokenFactory,
  MockUniswapV2Router02Factory,
  PriceOracleFactory,
  ReserveLogicFactory,
  SelfdestructTransferFactory,
  StableDebtTokenFactory,
  UniswapLiquiditySwapAdapterFactory,
  UniswapRepayAdapterFactory,
  VariableDebtTokenFactory,
  WalletBalanceProviderFactory,
  WETH9MockedFactory,
  WETHGatewayFactory,
  FlashLiquidationAdapterFactory,
} from '../types';
import {
  withSaveAndVerify,
  registerContractInJsonDb,
  linkBytecode,
  insertContractAddressInDb,
  deployContract,
} from './contracts-helpers';
import { StableAndVariableTokensHelperFactory } from '../types/StableAndVariableTokensHelperFactory';
import { MintableDelegationERC20 } from '../types/MintableDelegationERC20';
import { readArtifact as buidlerReadArtifact } from '@nomiclabs/buidler/plugins';
import { HardhatRuntimeEnvironment } from 'hardhat/types';
import { LendingPoolLibraryAddresses } from '../types/LendingPoolFactory';
import { UiPoolDataProvider } from '../types';
import { verifyContract } from './etherscan-verification';

export const deployUiPoolDataProvider = async (
  [incentivesController, aaveOracle]: [tEthereumAddress, tEthereumAddress],
  verify?: boolean
) => {
  const id = eContractid.UiPoolDataProvider;
  const args: string[] = [incentivesController, aaveOracle];
  const instance = await deployContract<UiPoolDataProvider>(id, args);
  if (verify) {
    await verifyContract(instance.address, args);
  }
  return instance;
};

const readArtifact = async (id: string) => {
  if (DRE.network.name === eEthereumNetwork.buidlerevm) {
    return buidlerReadArtifact(DRE.config.paths.artifacts, id);
  }
  return (DRE as HardhatRuntimeEnvironment).artifacts.readArtifact(id);
};

export const deployLendingPoolAddressesProvider = async (marketId: string, verify?: boolean) =>
  withSaveAndVerify(
    await new LendingPoolAddressesProviderFactory(await getFirstSigner()).deploy(marketId),
    eContractid.LendingPoolAddressesProvider,
    [marketId],
    verify
  );

export const deployLendingPoolAddressesProviderRegistry = async (verify?: boolean) =>
  withSaveAndVerify(
    await new LendingPoolAddressesProviderRegistryFactory(await getFirstSigner()).deploy(),
    eContractid.LendingPoolAddressesProviderRegistry,
    [],
    verify
  );

export const deployLendingPoolConfigurator = async (verify?: boolean) => {
  const lendingPoolConfiguratorImpl = await new LendingPoolConfiguratorFactory(
    await getFirstSigner()
  ).deploy();
  await insertContractAddressInDb(
    eContractid.LendingPoolConfiguratorImpl,
    lendingPoolConfiguratorImpl.address
  );
  return withSaveAndVerify(
    lendingPoolConfiguratorImpl,
    eContractid.LendingPoolConfigurator,
    [],
    verify
  );
};

export const deployReserveLogicLibrary = async (verify?: boolean) =>
  withSaveAndVerify(
    await new ReserveLogicFactory(await getFirstSigner()).deploy(),
    eContractid.ReserveLogic,
    [],
    verify
  );

export const deployGenericLogic = async (reserveLogic: Contract, verify?: boolean) => {
  const genericLogicArtifact = await readArtifact(eContractid.GenericLogic);

  const linkedGenericLogicByteCode = linkBytecode(genericLogicArtifact, {
    [eContractid.ReserveLogic]: reserveLogic.address,
  });

  const genericLogicFactory = await DRE.ethers.getContractFactory(
    genericLogicArtifact.abi,
    linkedGenericLogicByteCode
  );

  const genericLogic = await (await genericLogicFactory.deploy()).deployed();
  return withSaveAndVerify(genericLogic, eContractid.GenericLogic, [], verify);
};

export const deployValidationLogic = async (
  reserveLogic: Contract,
  genericLogic: Contract,
  verify?: boolean
) => {
  const validationLogicArtifact = await readArtifact(eContractid.ValidationLogic);

  const linkedValidationLogicByteCode = linkBytecode(validationLogicArtifact, {
    [eContractid.ReserveLogic]: reserveLogic.address,
    [eContractid.GenericLogic]: genericLogic.address,
  });

  const validationLogicFactory = await DRE.ethers.getContractFactory(
    validationLogicArtifact.abi,
    linkedValidationLogicByteCode
  );

  const validationLogic = await (await validationLogicFactory.deploy()).deployed();

  return withSaveAndVerify(validationLogic, eContractid.ValidationLogic, [], verify);
};

export const deployAaveLibraries = async (
  verify?: boolean
): Promise<LendingPoolLibraryAddresses> => {
  const reserveLogic = await deployReserveLogicLibrary(verify);
  const genericLogic = await deployGenericLogic(reserveLogic, verify);
  const validationLogic = await deployValidationLogic(reserveLogic, genericLogic, verify);

  // Hardcoded solidity placeholders, if any library changes path this will fail.
  // The '__$PLACEHOLDER$__ can be calculated via solidity keccak, but the LendingPoolLibraryAddresses Type seems to
  // require a hardcoded string.
  //
  //  how-to:
  //  1. PLACEHOLDER = solidityKeccak256(['string'], `${libPath}:${libName}`).slice(2, 36)
  //  2. LIB_PLACEHOLDER = `__$${PLACEHOLDER}$__`
  // or grab placeholdes from LendingPoolLibraryAddresses at Typechain generation.
  //
  // libPath example: contracts/libraries/logic/GenericLogic.sol
  // libName example: GenericLogic
  return {
    ['__$de8c0cf1a7d7c36c802af9a64fb9d86036$__']: validationLogic.address,
    ['__$22cd43a9dda9ce44e9b92ba393b88fb9ac$__']: reserveLogic.address,
  };
};

export const deployLendingPool = async (verify?: boolean) => {
  const libraries = await deployAaveLibraries(verify);
  const lendingPoolImpl = await new LendingPoolFactory(libraries, await getFirstSigner()).deploy();
  await insertContractAddressInDb(eContractid.LendingPoolImpl, lendingPoolImpl.address);
  return withSaveAndVerify(lendingPoolImpl, eContractid.LendingPool, [], verify);
};

export const deployPriceOracle = async (verify?: boolean) =>
  withSaveAndVerify(
    await new PriceOracleFactory(await getFirstSigner()).deploy(),
    eContractid.PriceOracle,
    [],
    verify
  );

export const deployLendingRateOracle = async (verify?: boolean) =>
  withSaveAndVerify(
    await new LendingRateOracleFactory(await getFirstSigner()).deploy(),
    eContractid.LendingRateOracle,
    [],
    verify
  );

export const deployMockAggregator = async (price: tStringTokenSmallUnits, verify?: boolean) =>
  withSaveAndVerify(
    await new MockAggregatorFactory(await getFirstSigner()).deploy(price),
    eContractid.MockAggregator,
    [price],
    verify
  );

export const deployAaveOracle = async (
  args: [tEthereumAddress[], tEthereumAddress[], tEthereumAddress, tEthereumAddress],
  verify?: boolean
) =>
  withSaveAndVerify(
    await new AaveOracleFactory(await getFirstSigner()).deploy(...args),
    eContractid.AaveOracle,
    args,
    verify
  );

export const deployLendingPoolCollateralManager = async (verify?: boolean) => {
  const collateralManagerImpl = await new LendingPoolCollateralManagerFactory(
    await getFirstSigner()
  ).deploy();
  await insertContractAddressInDb(
    eContractid.LendingPoolCollateralManagerImpl,
    collateralManagerImpl.address
  );
  return withSaveAndVerify(
    collateralManagerImpl,
    eContractid.LendingPoolCollateralManager,
    [],
    verify
  );
};

export const deployInitializableAdminUpgradeabilityProxy = async (verify?: boolean) =>
  withSaveAndVerify(
    await new InitializableAdminUpgradeabilityProxyFactory(await getFirstSigner()).deploy(),
    eContractid.InitializableAdminUpgradeabilityProxy,
    [],
    verify
  );

export const deployMockFlashLoanReceiver = async (
  addressesProvider: tEthereumAddress,
  verify?: boolean
) =>
  withSaveAndVerify(
    await new MockFlashLoanReceiverFactory(await getFirstSigner()).deploy(addressesProvider),
    eContractid.MockFlashLoanReceiver,
    [addressesProvider],
    verify
  );

export const deployWalletBalancerProvider = async (verify?: boolean) =>
  withSaveAndVerify(
    await new WalletBalanceProviderFactory(await getFirstSigner()).deploy(),
    eContractid.WalletBalanceProvider,
    [],
    verify
  );

export const deployAaveProtocolDataProvider = async (
  addressesProvider: tEthereumAddress,
  verify?: boolean
) =>
  withSaveAndVerify(
    await new AaveProtocolDataProviderFactory(await getFirstSigner()).deploy(addressesProvider),
    eContractid.AaveProtocolDataProvider,
    [addressesProvider],
    verify
  );

export const deployMintableERC20 = async (
  args: [string, string, string],
  verify?: boolean
): Promise<MintableERC20> =>
  withSaveAndVerify(
    await new MintableERC20Factory(await getFirstSigner()).deploy(...args),
    eContractid.MintableERC20,
    args,
    verify
  );

export const deployMintableDelegationERC20 = async (
  args: [string, string, string],
  verify?: boolean
): Promise<MintableDelegationERC20> =>
  withSaveAndVerify(
    await new MintableDelegationERC20Factory(await getFirstSigner()).deploy(...args),
    eContractid.MintableDelegationERC20,
    args,
    verify
  );
export const deployDefaultReserveInterestRateStrategy = async (
  args: [tEthereumAddress, string, string, string, string, string, string],
  verify: boolean
) =>
  withSaveAndVerify(
    await new DefaultReserveInterestRateStrategyFactory(await getFirstSigner()).deploy(...args),
    eContractid.DefaultReserveInterestRateStrategy,
    args,
    verify
  );

export const deployStableDebtToken = async (
  args: [tEthereumAddress, tEthereumAddress, tEthereumAddress, string, string],
  verify: boolean
) => {
  const instance = await withSaveAndVerify(
    await new StableDebtTokenFactory(await getFirstSigner()).deploy(),
    eContractid.StableDebtToken,
    [],
    verify
  );

  await instance.initialize(args[0], args[1], args[2], '18', args[3], args[4], '0x10');

  return instance;
};

export const deployVariableDebtToken = async (
  args: [tEthereumAddress, tEthereumAddress, tEthereumAddress, string, string],
  verify: boolean
) => {
  const instance = await withSaveAndVerify(
    await new VariableDebtTokenFactory(await getFirstSigner()).deploy(),
    eContractid.VariableDebtToken,
    [],
    verify
  );

  await instance.initialize(args[0], args[1], args[2], '18', args[3], args[4], '0x10');

  return instance;
};

export const deployGenericStableDebtToken = async () =>
  withSaveAndVerify(
    await new StableDebtTokenFactory(await getFirstSigner()).deploy(),
    eContractid.StableDebtToken,
    [],
    false
  );

export const deployGenericVariableDebtToken = async () =>
  withSaveAndVerify(
    await new VariableDebtTokenFactory(await getFirstSigner()).deploy(),
    eContractid.VariableDebtToken,
    [],
    false
  );

export const deployGenericAToken = async (
  [poolAddress, underlyingAssetAddress, treasuryAddress, incentivesController, name, symbol]: [
    tEthereumAddress,
    tEthereumAddress,
    tEthereumAddress,
    tEthereumAddress,
    string,
    string
  ],
  verify: boolean
) => {
  const instance = await withSaveAndVerify(
    await new ATokenFactory(await getFirstSigner()).deploy(),
    eContractid.AToken,
    [],
    verify
  );

  await instance.initialize(
    poolAddress,
    treasuryAddress,
    underlyingAssetAddress,
    incentivesController,
    '18',
    name,
    symbol,
    '0x10'
  );

  return instance;
};

export const deployGenericATokenImpl = async (verify: boolean) =>
  withSaveAndVerify(
    await new ATokenFactory(await getFirstSigner()).deploy(),
    eContractid.AToken,
    [],
    verify
  );

export const deployDelegationAwareAToken = async (
  [pool, underlyingAssetAddress, treasuryAddress, incentivesController, name, symbol]: [
    tEthereumAddress,
    tEthereumAddress,
    tEthereumAddress,
    tEthereumAddress,
    string,
    string
  ],
  verify: boolean
) => {
  const instance = await withSaveAndVerify(
    await new DelegationAwareATokenFactory(await getFirstSigner()).deploy(),
    eContractid.DelegationAwareAToken,
    [],
    verify
  );

  await instance.initialize(
    pool,
    treasuryAddress,
    underlyingAssetAddress,
    incentivesController,
    '18',
    name,
    symbol,
    '0x10'
  );

  return instance;
};

export const deployDelegationAwareATokenImpl = async (verify: boolean) =>
  withSaveAndVerify(
    await new DelegationAwareATokenFactory(await getFirstSigner()).deploy(),
    eContractid.DelegationAwareAToken,
    [],
    verify
  );

export const deployAllMockTokens = async (verify?: boolean) => {
  const tokens: { [symbol: string]: MockContract | MintableERC20 } = {};

  const protoConfigData = getReservesConfigByPool(AavePools.proto);

  for (const tokenSymbol of Object.keys(TokenContractId)) {
    let decimals = '18';

    let configData = (<any>protoConfigData)[tokenSymbol];

    tokens[tokenSymbol] = await deployMintableERC20(
      [tokenSymbol, tokenSymbol, configData ? configData.reserveDecimals : decimals],
      verify
    );
    await registerContractInJsonDb(tokenSymbol.toUpperCase(), tokens[tokenSymbol]);
  }
  return tokens;
};

export const deployMockTokens = async (config: PoolConfiguration, verify?: boolean) => {
  const tokens: { [symbol: string]: MockContract | MintableERC20 } = {};
  const defaultDecimals = 18;

  const configData = config.ReservesConfig;

  for (const tokenSymbol of Object.keys(configData)) {
    tokens[tokenSymbol] = await deployMintableERC20(
      [
        tokenSymbol,
        tokenSymbol,
        configData[tokenSymbol as keyof iMultiPoolsAssets<IReserveParams>].reserveDecimals ||
          defaultDecimals.toString(),
      ],
      verify
    );
    await registerContractInJsonDb(tokenSymbol.toUpperCase(), tokens[tokenSymbol]);
  }
  return tokens;
};

export const deployStableAndVariableTokensHelper = async (
  args: [tEthereumAddress, tEthereumAddress],
  verify?: boolean
) =>
  withSaveAndVerify(
    await new StableAndVariableTokensHelperFactory(await getFirstSigner()).deploy(...args),
    eContractid.StableAndVariableTokensHelper,
    args,
    verify
  );

export const deployATokensAndRatesHelper = async (
  args: [tEthereumAddress, tEthereumAddress, tEthereumAddress],
  verify?: boolean
) =>
  withSaveAndVerify(
    await new ATokensAndRatesHelperFactory(await getFirstSigner()).deploy(...args),
    eContractid.ATokensAndRatesHelper,
    args,
    verify
  );

export const deployWETHGateway = async (args: [tEthereumAddress], verify?: boolean) =>
  withSaveAndVerify(
    await new WETHGatewayFactory(await getFirstSigner()).deploy(...args),
    eContractid.WETHGateway,
    args,
    verify
  );

export const authorizeWETHGateway = async (
  wethGateWay: tEthereumAddress,
  lendingPool: tEthereumAddress
) =>
  await new WETHGatewayFactory(await getFirstSigner())
    .attach(wethGateWay)
    .authorizeLendingPool(lendingPool);

export const deployMockStableDebtToken = async (
  args: [tEthereumAddress, tEthereumAddress, tEthereumAddress, string, string, string],
  verify?: boolean
) => {
  const instance = await withSaveAndVerify(
    await new MockStableDebtTokenFactory(await getFirstSigner()).deploy(),
    eContractid.MockStableDebtToken,
    [],
    verify
  );

  await instance.initialize(args[0], args[1], args[2], '18', args[3], args[4], args[5]);

  return instance;
};

export const deployWETHMocked = async (verify?: boolean) =>
  withSaveAndVerify(
    await new WETH9MockedFactory(await getFirstSigner()).deploy(),
    eContractid.WETHMocked,
    [],
    verify
  );

export const deployMockVariableDebtToken = async (
  args: [tEthereumAddress, tEthereumAddress, tEthereumAddress, string, string, string],
  verify?: boolean
) => {
  const instance = await withSaveAndVerify(
    await new MockVariableDebtTokenFactory(await getFirstSigner()).deploy(),
    eContractid.MockVariableDebtToken,
    [],
    verify
  );

  await instance.initialize(args[0], args[1], args[2], '18', args[3], args[4], args[5]);

  return instance;
};

export const deployMockAToken = async (
  args: [
    tEthereumAddress,
    tEthereumAddress,
    tEthereumAddress,
    tEthereumAddress,
    string,
    string,
    string
  ],
  verify?: boolean
) => {
  const instance = await withSaveAndVerify(
    await new MockATokenFactory(await getFirstSigner()).deploy(),
    eContractid.MockAToken,
    [],
    verify
  );

  await instance.initialize(args[0], args[2], args[1], args[3], '18', args[4], args[5], args[6]);

  return instance;
};

export const deploySelfdestructTransferMock = async (verify?: boolean) =>
  withSaveAndVerify(
    await new SelfdestructTransferFactory(await getFirstSigner()).deploy(),
    eContractid.SelfdestructTransferMock,
    [],
    verify
  );

export const deployMockUniswapRouter = async (verify?: boolean) =>
  withSaveAndVerify(
    await new MockUniswapV2Router02Factory(await getFirstSigner()).deploy(),
    eContractid.MockUniswapV2Router02,
    [],
    verify
  );

export const deployUniswapLiquiditySwapAdapter = async (
  args: [tEthereumAddress, tEthereumAddress, tEthereumAddress],
  verify?: boolean
) =>
  withSaveAndVerify(
    await new UniswapLiquiditySwapAdapterFactory(await getFirstSigner()).deploy(...args),
    eContractid.UniswapLiquiditySwapAdapter,
    args,
    verify
  );

export const deployUniswapRepayAdapter = async (
  args: [tEthereumAddress, tEthereumAddress, tEthereumAddress],
  verify?: boolean
) =>
  withSaveAndVerify(
    await new UniswapRepayAdapterFactory(await getFirstSigner()).deploy(...args),
    eContractid.UniswapRepayAdapter,
    args,
    verify
  );

export const deployFlashLiquidationAdapter = async (
  args: [tEthereumAddress, tEthereumAddress, tEthereumAddress],
  verify?: boolean
) =>
  withSaveAndVerify(
    await new FlashLiquidationAdapterFactory(await getFirstSigner()).deploy(...args),
    eContractid.FlashLiquidationAdapter,
    args,
    verify
  );