import {
  VeOcean,
  VeAllocate,
  NftFactory,
  calculateEstimatedGas,
  sendTx,
  approve,
  ConfigHelper,
  sleep
} from '@oceanprotocol/lib'
import { AbiItem } from 'web3-utils'
import { assert } from 'chai'
import Web3 from 'web3'
import { homedir } from 'os'
import fs from 'fs'
import { fetch } from 'cross-fetch'

const data = JSON.parse(
  fs.readFileSync(
    process.env.ADDRESS_FILE ||
      `${homedir}/.ocean/ocean-contracts/artifacts/address.json`,
    'utf8'
  )
)

const addresses = data.development
const web3 = new Web3('http://127.0.0.1:8545')

const subgraphUrl =
  'http://127.0.0.1:9000/subgraphs/name/oceanprotocol/ocean-subgraph'

describe('veOcean tests', async () => {
  let nftFactory
  let veOcean: VeOcean
  let veAllocate: VeAllocate
  let ownerAccount: string
  let Alice: string
  let Bob: string
  let nft1, nft2, nft3
  let chainId
  const configHelper = new ConfigHelper()
  const config = configHelper.getConfig('development')

  before(async () => {
    const accounts = await web3.eth.getAccounts()
    chainId = await web3.eth.getChainId()
    ownerAccount = accounts[0]
    Alice = accounts[1]
    Bob = accounts[2]
    const minAbi = [
      {
        constant: false,
        inputs: [
          { name: 'to', type: 'address' },
          { name: 'value', type: 'uint256' }
        ],
        name: 'mint',
        outputs: [{ name: '', type: 'bool' }],
        payable: false,
        stateMutability: 'nonpayable',
        type: 'function'
      }
    ] as AbiItem[]
    const tokenContract = new web3.eth.Contract(minAbi, addresses.Ocean)
    const estGas = await calculateEstimatedGas(
      ownerAccount,
      tokenContract.methods.mint,
      Alice,
      web3.utils.toWei('1000')
    )
    await sendTx(
      ownerAccount,
      estGas,
      web3,
      1,
      tokenContract.methods.mint,
      Alice,
      web3.utils.toWei('1000')
    )
    await sendTx(
      ownerAccount,
      estGas,
      web3,
      1,
      tokenContract.methods.mint,
      Bob,
      web3.utils.toWei('1000')
    )
    veOcean = new VeOcean(addresses.veOCEAN, web3)
    veAllocate = new VeAllocate(addresses.veAllocate, web3)
    nftFactory = new NftFactory(addresses.ERC721Factory, web3)
  })

  it('Alice should lock 100 Ocean', async () => {
    // since we can only lock once, we test if tx fails or not
    // so if there is already a lock, skip it
    let currentBalance = await veOcean.getLockedAmount(Alice)
    let currentLock = await veOcean.lockEnd(Alice)
    const amount = '100'
    await approve(
      web3,
      config,
      Alice,
      addresses.Ocean,
      addresses.veOCEAN,
      amount
    )
    const timestamp = Math.floor(Date.now() / 1000)
    const unlockTime = timestamp + 7 * 86400

    if (parseInt(currentBalance) > 0 || currentLock > 0) {
      // we already have some locked tokens, so our transaction should fail
      try {
        await veOcean.lockTokens(Alice, amount, unlockTime)
        assert(false, 'This should fail!')
      } catch (e) {
        // do nothing
      }
    } else {
      await veOcean.lockTokens(Alice, amount, unlockTime)
    }
    currentBalance = await veOcean.getLockedAmount(Alice)
    currentLock = await veOcean.lockEnd(Alice)
    await sleep(2000)
    const initialQuery = {
      query: `query {
                  veOCEANs(id:"${Alice.toLowerCase()}"){    
                    id,
                    lockedAmount,
                    unlockTime
                  }
                }`
    }
    const initialResponse = await fetch(subgraphUrl, {
      method: 'POST',
      body: JSON.stringify(initialQuery)
    })
    const info = (await initialResponse.json()).data.veOCEANs
    assert(info[0].id === Alice.toLowerCase())
    assert(info[0].lockedAmount === currentBalance)
    assert(info[0].unlockTime === currentLock)
  })

  it('Alice should increase the lock time', async () => {
    const currentLock = await veOcean.lockEnd(Alice)
    const newLock = parseInt(String(currentLock)) + 7 * 86400
    await veOcean.increaseUnlockTime(Alice, newLock)
    const newCurrentLock = await veOcean.lockEnd(Alice)
    await sleep(2000)
    const initialQuery = {
      query: `query {
                  veOCEANs(id:"${Alice.toLowerCase()}"){    
                    id,
                    lockedAmount,
                    unlockTime
                  }
                }`
    }
    const initialResponse = await fetch(subgraphUrl, {
      method: 'POST',
      body: JSON.stringify(initialQuery)
    })
    const info = (await initialResponse.json()).data.veOCEANs
    assert(
      info[0].unlockTime === newCurrentLock,
      'Expected lock ' +
        newCurrentLock +
        ' to equal subgraph value ' +
        info[0].unlockTime
    )
  })

  it('Alice should increase the locked amount', async () => {
    const amount = '200'
    await approve(
      web3,
      config,
      Alice,
      addresses.Ocean,
      addresses.veOCEAN,
      amount
    )
    await veOcean.increaseAmount(Alice, amount)
    const newCurrentBalance = await veOcean.getLockedAmount(Alice)
    const newCurrentLock = await veOcean.lockEnd(Alice)
    await sleep(2000)
    const initialQuery = {
      query: `query {
                  veOCEANs(id:"${Alice.toLowerCase()}"){    
                    id,
                    lockedAmount,
                    unlockTime
                  }
                }`
    }
    const initialResponse = await fetch(subgraphUrl, {
      method: 'POST',
      body: JSON.stringify(initialQuery)
    })
    const info = (await initialResponse.json()).data.veOCEANs
    assert(
      info[0].unlockTime === newCurrentLock,
      'Expected lock ' +
        newCurrentLock +
        ' to equal subgraph value ' +
        info[0].unlockTime
    )
    assert(
      info[0].lockedAmount === newCurrentBalance,
      'Expected balance ' +
        newCurrentBalance +
        ' to equal subgraph value ' +
        info[0].lockedAmount
    )
  })

  it('Alice should publish 3 NFTs', async () => {
    // publish 3 nfts
    nft1 = await nftFactory.createNFT(Alice, {
      name: 'testNft1',
      symbol: 'TSTF1',
      templateIndex: 1,
      tokenURI: '',
      transferable: true,
      owner: Alice
    })
    nft2 = await nftFactory.createNFT(Alice, {
      name: 'testNft2',
      symbol: 'TSTF2',
      templateIndex: 1,
      tokenURI: '',
      transferable: true,
      owner: Alice
    })
    nft3 = await nftFactory.createNFT(Alice, {
      name: 'testNft3',
      symbol: 'TSTF3',
      templateIndex: 1,
      tokenURI: '',
      transferable: true,
      owner: Alice
    })
  })

  it('Alice should allocate 10% to NFT1', async () => {
    await veAllocate.setAllocation(Alice, '1000', nft1, chainId)
    const newTotalAllocation = await veAllocate.getTotalAllocation(Alice)
    await sleep(2000)
    let initialQuery = {
      query: `query {
                veAllocateUsers(id:"${Alice.toLowerCase()}"){    
                    id,
                    allocatedTotal
                  }
                }`
    }
    let initialResponse = await fetch(subgraphUrl, {
      method: 'POST',
      body: JSON.stringify(initialQuery)
    })
    let info = (await initialResponse.json()).data.veAllocateUsers
    assert(
      info[0].allocatedTotal === newTotalAllocation,
      'Expected totalAllocation ' +
        newTotalAllocation +
        ' to equal subgraph value ' +
        info[0].allocatedTotal
    )
    initialQuery = {
      query: `query {
        veAllocations(
          where: {allocationUser:"${Alice.toLowerCase()}", chainId:"${chainId}", nftAddress:"${nft1.toLowerCase()}"}
        ){    
                    id,
                    allocated
                  }
                }`
    }
    initialResponse = await fetch(subgraphUrl, {
      method: 'POST',
      body: JSON.stringify(initialQuery)
    })
    info = (await initialResponse.json()).data.veAllocations
    assert(
      info[0].allocated === '1000',
      'Expected totalAllocation 1000 to equal subgraph value ' +
        info[0].allocatedTotal
    )
  })

  it('Alice should allocate 10% to NFT2 and 20% to NFT3', async () => {
    await veAllocate.setBatchAllocation(
      Alice,
      ['1000', '2000'],
      [nft2, nft3],
      [chainId, chainId]
    )
    const totalAllocation = await veAllocate.getTotalAllocation(Alice)

    await sleep(2000)
    let initialQuery = {
      query: `query {
                veAllocateUsers(id:"${Alice.toLowerCase()}"){    
                    id,
                    allocatedTotal
                  }
                }`
    }
    let initialResponse = await fetch(subgraphUrl, {
      method: 'POST',
      body: JSON.stringify(initialQuery)
    })
    let info = (await initialResponse.json()).data.veAllocateUsers
    assert(
      info[0].allocatedTotal === totalAllocation,
      'Expected totalAllocation ' +
        totalAllocation +
        ' to equal subgraph value ' +
        info[0].allocatedTotal
    )
    initialQuery = {
      query: `query {
        veAllocations(
          where: {allocationUser:"${Alice.toLowerCase()}", chainId:"${chainId}", nftAddress:"${nft2.toLowerCase()}"}
        ){
                    id,
                    allocated
                  }
                }`
    }
    initialResponse = await fetch(subgraphUrl, {
      method: 'POST',
      body: JSON.stringify(initialQuery)
    })
    info = (await initialResponse.json()).data.veAllocations
    assert(
      info[0].allocated === '1000',
      'Expected totalAllocation 1000 to equal subgraph value ' +
        info[0].allocatedTotal
    )
    initialQuery = {
      query: `query {
        veAllocations(
            where: {allocationUser:"${Alice.toLowerCase()}", chainId:"${chainId}", nftAddress:"${nft3.toLowerCase()}"}
          ){    
                    id,
                    allocated
                  }
                }`
    }
    initialResponse = await fetch(subgraphUrl, {
      method: 'POST',
      body: JSON.stringify(initialQuery)
    })
    info = (await initialResponse.json()).data.veAllocations
    assert(
      info[0].allocated === '2000',
      'Expected totalAllocation 1000 to equal subgraph value ' +
        info[0].allocatedTotal
    )
  })
})