import { Nft, NftUpdate, NftData, NftTransferHistory } from '../@types/schema'
import {
  MetadataCreated,
  MetadataState,
  MetadataUpdated,
  TokenURIUpdate,
  AddedManager,
  AddedTo725StoreList,
  AddedToCreateERC20List,
  AddedToMetadataList,
  RemovedFrom725StoreList,
  RemovedFromCreateERC20List,
  RemovedFromMetadataList,
  RemovedManager,
  CleanedPermissions,
  Transfer,
  DataChanged
} from '../@types/templates/ERC721Template/ERC721Template'
import { NftUpdateType } from './utils/constants'
import { getNftToken, getNftTokenWithID } from './utils/tokenUtils'
import { getUser } from './utils/userUtils'

function getId(tx: string, nftAddress: string, eventIndex: number): string {
  return `${tx}-${nftAddress}-${eventIndex}`
}

export function handleMetadataCreated(event: MetadataCreated): void {
  const nftAddress = event.address.toHex()
  const nft = Nft.load(nftAddress)
  if (!nft) return

  nft.assetState = event.params.state
  nft.providerUrl = event.params.decryptorUrl.toString()
  nft.hasMetadata = true

  const eventIndex: number = event.logIndex.toI32()
  const nftUpdate = new NftUpdate(
    getId(event.transaction.hash.toHex(), nftAddress, eventIndex)
  )

  nftUpdate.type = NftUpdateType.METADATA_CREATED
  nftUpdate.userAddress = event.params.createdBy.toHex()
  nftUpdate.assetState = event.params.state

  nftUpdate.nft = nft.id
  nftUpdate.providerUrl = nft.providerUrl
  nftUpdate.tokenUri = nft.tokenUri

  nftUpdate.timestamp = event.block.timestamp.toI32()
  nftUpdate.tx = event.transaction.hash.toHex()
  nftUpdate.eventIndex = event.logIndex.toI32()
  nftUpdate.block = event.block.number.toI32()

  nftUpdate.save()
  nft.save()
}

export function handleMetadataUpdated(event: MetadataUpdated): void {
  const nftAddress = event.address.toHex()
  const nft = Nft.load(nftAddress)
  if (!nft) return

  nft.assetState = event.params.state
  nft.hasMetadata = true
  const eventIndex: number = event.logIndex.toI32()
  const nftUpdate = new NftUpdate(
    getId(event.transaction.hash.toHex(), nftAddress, eventIndex)
  )

  nftUpdate.nft = nft.id
  nftUpdate.type = NftUpdateType.METADATA_UPDATED
  nftUpdate.userAddress = event.params.updatedBy.toHex()
  nftUpdate.assetState = event.params.state

  nftUpdate.timestamp = event.block.timestamp.toI32()
  nftUpdate.tx = event.transaction.hash.toHex()
  nftUpdate.eventIndex = event.logIndex.toI32()
  nftUpdate.block = event.block.number.toI32()

  nftUpdate.save()
  nft.save()
}

export function handleMetadataState(event: MetadataState): void {
  const nftAddress = event.address.toHex()
  const nft = Nft.load(nftAddress)
  if (!nft) return

  nft.assetState = event.params.state
  const eventIndex: number = event.logIndex.toI32()
  const nftUpdate = new NftUpdate(
    getId(event.transaction.hash.toHex(), nftAddress, eventIndex)
  )

  nftUpdate.nft = nft.id
  nftUpdate.type = NftUpdateType.STATE_UPDATED
  nftUpdate.userAddress = event.params.updatedBy.toHex()
  nftUpdate.assetState = event.params.state

  nftUpdate.timestamp = event.block.timestamp.toI32()
  nftUpdate.tx = event.transaction.hash.toHex()
  nftUpdate.eventIndex = event.logIndex.toI32()
  nftUpdate.block = event.block.number.toI32()

  nftUpdate.save()
  nft.save()
}

export function handleTokenUriUpdate(event: TokenURIUpdate): void {
  const nftAddress = event.address.toHex()
  const nft = Nft.load(nftAddress)

  if (!nft) return

  nft.tokenUri = event.params.tokenURI.toString()
  const eventIndex: number = event.logIndex.toI32()
  const nftUpdate = new NftUpdate(
    getId(event.transaction.hash.toHex(), nftAddress, eventIndex)
  )
  nftUpdate.nft = nft.id
  nftUpdate.type = NftUpdateType.TOKENURI_UPDATED
  nftUpdate.userAddress = event.params.updatedBy.toHex()
  nftUpdate.tokenUri = nft.tokenUri
  nftUpdate.timestamp = event.block.timestamp.toI32()
  nftUpdate.tx = event.transaction.hash.toHex()
  nftUpdate.eventIndex = event.logIndex.toI32()
  nftUpdate.block = event.block.number.toI32()
  nftUpdate.assetState = nft.assetState
  nftUpdate.save()
  nft.save()
}

// roles
export function handleAddedManager(event: AddedManager): void {
  const nft = getNftToken(event.address)
  let existingRoles: string[]
  if (!nft.managerRole) existingRoles = []
  else existingRoles = nft.managerRole as string[]
  if (!existingRoles.includes(event.params.user.toHexString()))
    existingRoles.push(event.params.user.toHexString())
  nft.managerRole = existingRoles
  nft.eventIndex = event.logIndex.toI32()
  nft.save()
}
export function handleRemovedManager(event: RemovedManager): void {
  const nft = getNftToken(event.address)
  const newList: string[] = []
  let existingRoles: string[]
  if (!nft.managerRole) existingRoles = []
  else existingRoles = nft.managerRole as string[]
  if (!existingRoles || existingRoles.length < 1) return
  while (existingRoles.length > 0) {
    const role = existingRoles.shift().toString()
    if (!role) break
    if (role !== event.params.user.toHexString()) newList.push(role)
  }
  nft.managerRole = newList
  nft.eventIndex = event.logIndex.toI32()
  nft.save()
}

// storeUpdater
export function handleAddedTo725StoreList(event: AddedTo725StoreList): void {
  const nft = getNftToken(event.address)
  let existingRoles: string[]
  if (!nft.storeUpdateRole) existingRoles = []
  else existingRoles = nft.storeUpdateRole as string[]
  if (!existingRoles.includes(event.params.user.toHexString()))
    existingRoles.push(event.params.user.toHexString())
  nft.storeUpdateRole = existingRoles
  nft.eventIndex = event.logIndex.toI32()
  nft.save()
}

export function handleRemovedFrom725StoreList(
  event: RemovedFrom725StoreList
): void {
  const nft = getNftToken(event.address)
  const newList: string[] = []
  let existingRoles: string[]
  if (!nft.storeUpdateRole) existingRoles = []
  else existingRoles = nft.storeUpdateRole as string[]
  if (!existingRoles || existingRoles.length < 1) return
  while (existingRoles.length > 0) {
    const role = existingRoles.shift().toString()
    if (!role) break
    if (role !== event.params.user.toHexString()) newList.push(role)
  }
  nft.storeUpdateRole = newList
  nft.eventIndex = event.logIndex.toI32()
  nft.save()
}

// erc20Deployer
export function handleAddedToCreateERC20List(
  event: AddedToCreateERC20List
): void {
  const nft = getNftToken(event.address)
  let existingRoles: string[]
  if (!nft.erc20DeployerRole) existingRoles = []
  else existingRoles = nft.erc20DeployerRole as string[]
  if (!existingRoles.includes(event.params.user.toHexString()))
    existingRoles.push(event.params.user.toHexString())
  nft.erc20DeployerRole = existingRoles
  nft.eventIndex = event.logIndex.toI32()
  nft.save()
}

export function handleRemovedFromCreateERC20List(
  event: RemovedFromCreateERC20List
): void {
  const nft = getNftToken(event.address)
  const newList: string[] = []
  let existingRoles: string[]
  if (!nft.erc20DeployerRole) existingRoles = []
  else existingRoles = nft.erc20DeployerRole as string[]
  if (!existingRoles || existingRoles.length < 1) return
  while (existingRoles.length > 0) {
    const role = existingRoles.shift().toString()
    if (!role) break
    if (role !== event.params.user.toHexString()) newList.push(role)
  }
  nft.erc20DeployerRole = newList
  nft.eventIndex = event.logIndex.toI32()
  nft.save()
}

// metadata updater
export function handleAddedToMetadataList(event: AddedToMetadataList): void {
  const nft = getNftToken(event.address)
  let existingRoles: string[]
  if (!nft.metadataRole) existingRoles = []
  else existingRoles = nft.metadataRole as string[]
  if (!existingRoles.includes(event.params.user.toHexString()))
    existingRoles.push(event.params.user.toHexString())
  nft.metadataRole = existingRoles
  nft.eventIndex = event.logIndex.toI32()
  nft.save()
}

export function handleRemovedFromMetadataList(
  event: RemovedFromMetadataList
): void {
  const nft = getNftToken(event.address)
  const newList: string[] = []
  let existingRoles: string[]
  if (!nft.metadataRole) existingRoles = []
  else existingRoles = nft.metadataRole as string[]
  if (!existingRoles || existingRoles.length < 1) return
  while (existingRoles.length > 0) {
    const role = existingRoles.shift().toString()
    if (!role) break
    if (role !== event.params.user.toHexString()) newList.push(role)
  }
  nft.metadataRole = newList
  nft.eventIndex = event.logIndex.toI32()
  nft.save()
}

export function handleCleanedPermissions(event: CleanedPermissions): void {
  const nft = getNftToken(event.address)
  const newList: string[] = []
  nft.metadataRole = newList
  nft.erc20DeployerRole = newList
  nft.storeUpdateRole = newList
  nft.managerRole = newList
  nft.eventIndex = event.logIndex.toI32()
  nft.save()
}

export function handleNftTransferred(event: Transfer): void {
  const id = event.address.toHex()
  const nft = getNftTokenWithID(id)
  const oldOwner = nft.owner
  const newOwner = getUser(event.params.to.toHexString())
  nft.owner = newOwner.id
  nft.save()
  const eventIndex: number = event.logIndex.toI32()
  const transferId = `${
    nft.address
  }-${event.transaction.hash.toHex()}-${eventIndex}`
  const newTransfer = new NftTransferHistory(transferId)
  newTransfer.oldOwner = oldOwner
  newTransfer.nft = nft.id
  newTransfer.newOwner = newOwner.id
  newTransfer.txId = event.transaction.hash.toHex()
  newTransfer.eventIndex = event.logIndex.toI32()
  newTransfer.timestamp = event.block.timestamp.toI32()
  newTransfer.block = event.block.number.toI32()
  newTransfer.save()
}

export function handleNftData(event: DataChanged): void {
  const id = event.address.toHexString() + '-' + event.params.key.toHexString()
  const nft = getNftToken(event.address)
  let data = NftData.load(id)
  if (data == null) {
    data = new NftData(id)
  }
  data.key = event.params.key
  data.value = event.params.value
  data.nft = nft.id
  data.save()
}