import ethers from 'ethers'
import { describe, expect, it } from 'vitest'
import { Address, PublicClient, parseEther } from 'viem'

import {
  l1TestClient,
  l2TestClient,
  l1PublicClient,
  l2PublicClient,
} from './testUtils/viemClients'
import { BRIDGE_ADAPTER_DATA, CrossChainMessenger, L2ChainID } from '../src'
import { l1Provider, l2Provider } from './testUtils/ethersProviders'

const ECO_WHALE: Address = '0x982E148216E3Aa6B38f9D901eF578B5c06DD7502'

// we should instead use tokenlist as source of truth
const ECO_L1_TOKEN_ADDRESS: Address =
  '0x3E87d4d9E69163E7590f9b39a70853cf25e5ABE3'
const ECO_L2_TOKEN_ADDRESS: Address =
  '0xD2f598c826429EEe7c071C02735549aCd88F2c09'

const getERC20TokenBalance = async (
  publicClient: PublicClient,
  tokenAddress: Address,
  ownerAddress: Address
) => {
  const result = await publicClient.readContract({
    address: tokenAddress,
    abi: [
      {
        inputs: [{ name: 'owner', type: 'address' }],
        name: 'balanceOf',
        outputs: [{ name: '', type: 'uint256' }],
        stateMutability: 'view',
        type: 'function',
      },
    ],
    functionName: 'balanceOf',
    args: [ownerAddress],
  })

  return result as bigint
}

const getL1ERC20TokenBalance = async (ownerAddress: Address) => {
  return getERC20TokenBalance(
    l1PublicClient,
    ECO_L1_TOKEN_ADDRESS,
    ownerAddress
  )
}

const getL2ERC20TokenBalance = async (ownerAddress: Address) => {
  return getERC20TokenBalance(
    l2PublicClient,
    ECO_L2_TOKEN_ADDRESS,
    ownerAddress
  )
}

describe('ECO token', () => {
  it('sdk should be able to deposit to l1 bridge contract correctly', async () => {
    await l1TestClient.impersonateAccount({ address: ECO_WHALE })

    const l1EcoWhaleSigner = await l1Provider.getSigner(ECO_WHALE)
    const preBridgeL1EcoWhaleBalance = await getL1ERC20TokenBalance(ECO_WHALE)

    const crossChainMessenger = new CrossChainMessenger({
      l1SignerOrProvider: l1EcoWhaleSigner,
      l2SignerOrProvider: l2Provider,
      l1ChainId: 5,
      l2ChainId: 420,
      bedrock: true,
      bridges: BRIDGE_ADAPTER_DATA[L2ChainID.OPTIMISM_GOERLI],
    })

    await crossChainMessenger.approveERC20(
      ECO_L1_TOKEN_ADDRESS,
      ECO_L2_TOKEN_ADDRESS,
      ethers.utils.parseEther('0.1')
    )

    const txResponse = await crossChainMessenger.depositERC20(
      ECO_L1_TOKEN_ADDRESS,
      ECO_L2_TOKEN_ADDRESS,
      ethers.utils.parseEther('0.1')
    )

    await txResponse.wait()

    const l1EcoWhaleBalance = await getL1ERC20TokenBalance(ECO_WHALE)
    expect(l1EcoWhaleBalance).toEqual(
      preBridgeL1EcoWhaleBalance - parseEther('0.1')
    )
  }, 20_000)

  it('sdk should be able to withdraw into the l2 bridge contract correctly', async () => {
    await l2TestClient.impersonateAccount({ address: ECO_WHALE })
    const l2EcoWhaleSigner = await l2Provider.getSigner(ECO_WHALE)

    const preBridgeL2EcoWhaleBalance = await getL2ERC20TokenBalance(ECO_WHALE)

    const crossChainMessenger = new CrossChainMessenger({
      l1SignerOrProvider: l1Provider,
      l2SignerOrProvider: l2EcoWhaleSigner,
      l1ChainId: 5,
      l2ChainId: 420,
      bedrock: true,
      bridges: BRIDGE_ADAPTER_DATA[L2ChainID.OPTIMISM_GOERLI],
    })

    const txResponse = await crossChainMessenger.withdrawERC20(
      ECO_L1_TOKEN_ADDRESS,
      ECO_L2_TOKEN_ADDRESS,
      ethers.utils.parseEther('0.1')
    )

    await txResponse.wait()

    const l2EcoWhaleBalance = await getL2ERC20TokenBalance(ECO_WHALE)
    expect(l2EcoWhaleBalance).toEqual(
      preBridgeL2EcoWhaleBalance - parseEther('0.1')
    )
  }, 20_000)
})