/* eslint-disable eslint-comments/disable-enable-pair */

/* eslint-disable @typescript-eslint/no-unsafe-assignment */
// import { AirdropUpload } from 'components/AirdropUpload'
import { toUtf8 } from '@cosmjs/encoding'
import { Alert } from 'components/Alert'
import type { DispatchExecuteArgs } from 'components/badges/actions/actions'
import { dispatchExecute, isEitherType, previewExecutePayload } from 'components/badges/actions/actions'
import { ActionsCombobox } from 'components/badges/actions/Combobox'
import { useActionsComboboxState } from 'components/badges/actions/Combobox.hooks'
import { Button } from 'components/Button'
import { Conditional } from 'components/Conditional'
import { FormControl } from 'components/FormControl'
import { FormGroup } from 'components/FormGroup'
import { AddressList } from 'components/forms/AddressList'
import { useAddressListState } from 'components/forms/AddressList.hooks'
import { useInputState, useNumberInputState } from 'components/forms/FormInput.hooks'
import { MetadataAttributes } from 'components/forms/MetadataAttributes'
import { useMetadataAttributesState } from 'components/forms/MetadataAttributes.hooks'
import { JsonPreview } from 'components/JsonPreview'
import { TransactionHash } from 'components/TransactionHash'
import { WhitelistUpload } from 'components/WhitelistUpload'
import { useWallet } from 'contexts/wallet'
import type { Badge, BadgeHubInstance } from 'contracts/badgeHub'
import sizeof from 'object-sizeof'
import type { FormEvent } from 'react'
import { useEffect, useState } from 'react'
import { toast } from 'react-hot-toast'
import { FaArrowRight } from 'react-icons/fa'
import { useMutation } from 'react-query'
import * as secp256k1 from 'secp256k1'
import { generateKeyPairs, sha256 } from 'utils/hash'
import { isValidAddress } from 'utils/isValidAddress'
import { resolveAddress } from 'utils/resolveAddress'

import { BadgeAirdropListUpload } from '../../BadgeAirdropListUpload'
import { AddressInput, NumberInput, TextInput } from '../../forms/FormInput'
import type { MintRule } from '../creation/ImageUploadDetails'

interface BadgeActionsProps {
  badgeHubContractAddress: string
  badgeId: number
  badgeHubMessages: BadgeHubInstance | undefined
  mintRule: MintRule
}

type TransferrableType = true | false | undefined

export const BadgeActions = ({ badgeHubContractAddress, badgeId, badgeHubMessages, mintRule }: BadgeActionsProps) => {
  const wallet = useWallet()
  const [lastTx, setLastTx] = useState('')

  const [timestamp, setTimestamp] = useState<Date | undefined>(undefined)
  const [airdropAllocationArray, setAirdropAllocationArray] = useState<string[]>([])
  const [badge, setBadge] = useState<Badge>()
  const [transferrable, setTransferrable] = useState<TransferrableType>(undefined)
  const [resolvedOwnerAddress, setResolvedOwnerAddress] = useState<string>('')
  const [editFee, setEditFee] = useState<number | undefined>(undefined)
  const [triggerDispatch, setTriggerDispatch] = useState<boolean>(false)
  const [keyPairs, setKeyPairs] = useState<{ publicKey: string; privateKey: string }[]>([])
  const [signature, setSignature] = useState<string>('')
  const [ownerList, setOwnerList] = useState<string[]>([])
  const [numberOfKeys, setNumberOfKeys] = useState(0)

  const actionComboboxState = useActionsComboboxState()
  const type = actionComboboxState.value?.id

  const maxSupplyState = useNumberInputState({
    id: 'max-supply',
    name: 'max-supply',
    title: 'Max Supply',
    subtitle: 'Maximum number of badges that can be minted',
  })

  // Metadata related fields
  const managerState = useInputState({
    id: 'manager-address',
    name: 'manager',
    title: 'Manager',
    subtitle: 'Badge Hub Manager',
    defaultValue: wallet.address,
  })

  const nameState = useInputState({
    id: 'metadata-name',
    name: 'metadata-name',
    title: 'Name',
    subtitle: 'Name of the badge',
  })

  const descriptionState = useInputState({
    id: 'metadata-description',
    name: 'metadata-description',
    title: 'Description',
    subtitle: 'Description of the badge',
  })

  const imageState = useInputState({
    id: 'metadata-image',
    name: 'metadata-image',
    title: 'Image',
    subtitle: 'Badge Image URL',
  })

  const imageDataState = useInputState({
    id: 'metadata-image-data',
    name: 'metadata-image-data',
    title: 'Image Data',
    subtitle: 'Raw SVG image data',
  })

  const externalUrlState = useInputState({
    id: 'metadata-external-url',
    name: 'metadata-external-url',
    title: 'External URL',
    subtitle: 'External URL for the badge',
  })

  const attributesState = useMetadataAttributesState()

  const backgroundColorState = useInputState({
    id: 'metadata-background-color',
    name: 'metadata-background-color',
    title: 'Background Color',
    subtitle: 'Background color of the badge',
  })

  const animationUrlState = useInputState({
    id: 'metadata-animation-url',
    name: 'metadata-animation-url',
    title: 'Animation URL',
    subtitle: 'Animation URL for the badge',
  })

  const youtubeUrlState = useInputState({
    id: 'metadata-youtube-url',
    name: 'metadata-youtube-url',
    title: 'YouTube URL',
    subtitle: 'YouTube URL for the badge',
  })
  // Rules related fields
  const keyState = useInputState({
    id: 'key',
    name: 'key',
    title: 'Key',
    subtitle: 'The key generated for the badge',
  })

  const ownerState = useInputState({
    id: 'owner-address',
    name: 'owner',
    title: 'Owner',
    subtitle: 'The owner of the badge',
    defaultValue: wallet.address,
  })

  const ownerListState = useAddressListState()

  const pubKeyState = useInputState({
    id: 'pubKey',
    name: 'pubKey',
    title: 'Public Key',
    subtitle:
      type === 'mint_by_keys'
        ? 'The whitelisted public key authorized to mint a badge'
        : 'The public key to check whether it can be used to mint a badge',
  })

  const privateKeyState = useInputState({
    id: 'privateKey',
    name: 'privateKey',
    title: 'Private Key',
    subtitle:
      type === 'mint_by_keys'
        ? 'The corresponding private key for the whitelisted public key'
        : 'The private key that was generated during badge creation',
  })

  const nftState = useInputState({
    id: 'nft-address',
    name: 'nft-address',
    title: 'NFT Contract Address',
    subtitle: 'The NFT Contract Address for the badge',
  })

  const limitState = useNumberInputState({
    id: 'limit',
    name: 'limit',
    title: 'Limit',
    subtitle: 'Number of keys/owners to execute the action for (0 for all)',
  })

  const showMetadataField = isEitherType(type, ['edit_badge'])
  const showOwnerField = isEitherType(type, ['mint_by_key', 'mint_by_keys', 'mint_by_minter'])
  const showPrivateKeyField = isEitherType(type, ['mint_by_key', 'mint_by_keys', 'airdrop_by_key'])
  const showAirdropFileField = isEitherType(type, ['airdrop_by_key'])
  const showOwnerList = isEitherType(type, ['mint_by_minter'])
  const showPubKeyField = isEitherType(type, ['mint_by_keys'])
  const showLimitState = isEitherType(type, ['purge_keys', 'purge_owners'])

  const payload: DispatchExecuteArgs = {
    badge: {
      manager: badge?.manager || managerState.value,
      metadata: {
        name: nameState.value || undefined,
        description: descriptionState.value || undefined,
        image: imageState.value || undefined,
        image_data: imageDataState.value || undefined,
        external_url: externalUrlState.value || undefined,
        attributes:
          attributesState.values[0]?.trait_type && attributesState.values[0]?.value
            ? attributesState.values
                .map((attr) => ({
                  trait_type: attr.trait_type,
                  value: attr.value,
                }))
                .filter((attr) => attr.trait_type && attr.value)
            : undefined,
        background_color: backgroundColorState.value || undefined,
        animation_url: animationUrlState.value || undefined,
        youtube_url: youtubeUrlState.value || undefined,
      },
      transferrable: transferrable === true,
      rule: {
        by_key: keyState.value,
      },
      expiry: timestamp ? timestamp.getTime() * 1000000 : undefined,
      max_supply: maxSupplyState.value || undefined,
    },
    metadata: {
      name: nameState.value || undefined,
      description: descriptionState.value || undefined,
      image: imageState.value || undefined,
      image_data: imageDataState.value || undefined,
      external_url: externalUrlState.value || undefined,
      attributes:
        attributesState.values[0]?.trait_type && attributesState.values[0]?.value
          ? attributesState.values
              .map((attr) => ({
                trait_type: attr.trait_type,
                value: attr.value,
              }))
              .filter((attr) => attr.trait_type && attr.value)
          : undefined,
      background_color: backgroundColorState.value || undefined,
      animation_url: animationUrlState.value || undefined,
      youtube_url: youtubeUrlState.value || undefined,
    },
    id: badgeId,
    editFee,
    owner: resolvedOwnerAddress,
    pubkey: pubKeyState.value,
    signature,
    keys: keyPairs.map((keyPair) => keyPair.publicKey),
    limit: limitState.value || undefined,
    owners: [
      ...new Set(
        ownerListState.values
          .map((a) => a.address.trim())
          .filter((address) => address !== '' && isValidAddress(address.trim()) && address.startsWith('stars'))
          .concat(ownerList),
      ),
    ],
    recipients: airdropAllocationArray,
    privateKey: privateKeyState.value,
    nft: nftState.value,
    badgeHubMessages,
    badgeHubContract: badgeHubContractAddress,
    txSigner: wallet.address,
    type,
  }

  const resolveOwnerAddress = async () => {
    await resolveAddress(ownerState.value.trim(), wallet).then((resolvedAddress) => {
      setResolvedOwnerAddress(resolvedAddress)
    })
  }
  useEffect(() => {
    void resolveOwnerAddress()
  }, [ownerState.value])

  const resolveManagerAddress = async () => {
    await resolveAddress(managerState.value.trim(), wallet).then((resolvedAddress) => {
      setBadge({
        manager: resolvedAddress,
        metadata: {
          name: nameState.value || undefined,
          description: descriptionState.value || undefined,
          image: imageState.value || undefined,
          image_data: imageDataState.value || undefined,
          external_url: externalUrlState.value || undefined,
          attributes:
            attributesState.values[0]?.trait_type && attributesState.values[0]?.value
              ? attributesState.values
                  .map((attr) => ({
                    trait_type: attr.trait_type,
                    value: attr.value,
                  }))
                  .filter((attr) => attr.trait_type && attr.value)
              : undefined,
          background_color: backgroundColorState.value || undefined,
          animation_url: animationUrlState.value || undefined,
          youtube_url: youtubeUrlState.value || undefined,
        },
        transferrable: transferrable === true,
        rule: {
          by_key: keyState.value,
        },
        expiry: timestamp ? timestamp.getTime() * 1000000 : undefined,
        max_supply: maxSupplyState.value || undefined,
      })
    })
  }

  useEffect(() => {
    void resolveManagerAddress()
  }, [managerState.value])

  useEffect(() => {
    setBadge({
      manager: managerState.value,
      metadata: {
        name: nameState.value || undefined,
        description: descriptionState.value || undefined,
        image: imageState.value || undefined,
        image_data: imageDataState.value || undefined,
        external_url: externalUrlState.value || undefined,
        attributes:
          attributesState.values[0]?.trait_type && attributesState.values[0]?.value
            ? attributesState.values
                .map((attr) => ({
                  trait_type: attr.trait_type,
                  value: attr.value,
                }))
                .filter((attr) => attr.trait_type && attr.value)
            : undefined,
        background_color: backgroundColorState.value || undefined,
        animation_url: animationUrlState.value || undefined,
        youtube_url: youtubeUrlState.value || undefined,
      },
      transferrable: transferrable === true,
      rule: {
        by_key: keyState.value,
      },
      expiry: timestamp ? timestamp.getTime() * 1000000 : undefined,
      max_supply: maxSupplyState.value || undefined,
    })
  }, [
    nameState.value,
    descriptionState.value,
    imageState.value,
    imageDataState.value,
    externalUrlState.value,
    attributesState.values,
    backgroundColorState.value,
    animationUrlState.value,
    youtubeUrlState.value,
    transferrable,
    keyState.value,
    timestamp,
    maxSupplyState.value,
  ])

  useEffect(() => {
    if (attributesState.values.length === 0)
      attributesState.add({
        trait_type: '',
        value: '',
      })
  }, [])

  useEffect(() => {
    void dispatchEditBadgeMessage().catch((err) => {
      toast.error(String(err), { style: { maxWidth: 'none' } })
    })
  }, [triggerDispatch])

  useEffect(() => {
    if (privateKeyState.value.length === 64 && resolvedOwnerAddress)
      handleGenerateSignature(badgeId, resolvedOwnerAddress, privateKeyState.value)
  }, [privateKeyState.value, resolvedOwnerAddress])

  useEffect(() => {
    if (numberOfKeys > 0) {
      setKeyPairs(generateKeyPairs(numberOfKeys))
    }
  }, [numberOfKeys])

  const handleDownloadKeys = () => {
    const element = document.createElement('a')
    const file = new Blob([JSON.stringify(keyPairs)], { type: 'text/plain' })
    element.href = URL.createObjectURL(file)
    element.download = `badge-${badgeId.toString()}-keys.json`
    document.body.appendChild(element)
    element.click()
  }

  const { isLoading, mutate } = useMutation(
    async (event: FormEvent) => {
      if (!wallet.client) {
        throw new Error('Please connect your wallet.')
      }
      event.preventDefault()
      if (!type) {
        throw new Error('Please select an action.')
      }
      if (badgeHubContractAddress === '') {
        throw new Error('Please enter the Badge Hub contract addresses.')
      }

      if (type === 'mint_by_key' && privateKeyState.value.length !== 64) {
        throw new Error('Please enter a valid private key.')
      }

      if (wallet.client && type === 'edit_badge') {
        const feeRateRaw = await wallet.client.queryContractRaw(
          badgeHubContractAddress,
          toUtf8(Buffer.from(Buffer.from('fee_rate').toString('hex'), 'hex').toString()),
        )
        const feeRate = JSON.parse(new TextDecoder().decode(feeRateRaw as Uint8Array))

        await toast
          .promise(
            wallet.client.queryContractSmart(badgeHubContractAddress, {
              badge: { id: badgeId },
            }),
            {
              error: `Edit Fee calculation failed!`,
              loading: 'Calculating Edit Fee...',
              success: (currentBadge) => {
                console.log('Current badge: ', currentBadge)
                return `Current metadata is ${
                  Number(sizeof(currentBadge.metadata)) + Number(sizeof(currentBadge.metadata.attributes))
                } bytes in size.`
              },
            },
          )
          .then((currentBadge) => {
            // TODO - Go over the calculation
            const currentBadgeMetadataSize =
              Number(sizeof(currentBadge.metadata)) + Number(sizeof(currentBadge.metadata.attributes) * 2)
            console.log('Current badge metadata size: ', currentBadgeMetadataSize)
            const newBadgeMetadataSize =
              Number(sizeof(badge?.metadata)) + Number(sizeof(badge?.metadata.attributes)) * 2
            console.log('New badge metadata size: ', newBadgeMetadataSize)
            if (newBadgeMetadataSize > currentBadgeMetadataSize) {
              const calculatedFee = ((newBadgeMetadataSize - currentBadgeMetadataSize) * Number(feeRate.metadata)) / 2
              setEditFee(calculatedFee)
              setTriggerDispatch(!triggerDispatch)
            } else {
              setEditFee(undefined)
              setTriggerDispatch(!triggerDispatch)
            }
          })
          .catch((error) => {
            throw new Error(String(error).substring(String(error).lastIndexOf('Error:') + 7))
          })
      } else {
        const txHash = await toast.promise(dispatchExecute(payload), {
          error: `${type.charAt(0).toUpperCase() + type.slice(1)} execute failed!`,
          loading: 'Executing message...',
          success: (tx) => `Transaction ${tx} success!`,
        })
        if (txHash) {
          setLastTx(txHash)
        }
      }
    },
    {
      onError: (error) => {
        toast.error(String(error), { style: { maxWidth: 'none' } })
      },
    },
  )

  const dispatchEditBadgeMessage = async () => {
    if (type) {
      const txHash = await toast.promise(dispatchExecute(payload), {
        error: `${type.charAt(0).toUpperCase() + type.slice(1)} execute failed!`,
        loading: 'Executing message...',
        success: (tx) => `Transaction ${tx} success!`,
      })
      if (txHash) {
        setLastTx(txHash)
      }
    }
  }

  const airdropFileOnChange = (data: string[]) => {
    console.log(data)
    setAirdropAllocationArray(data)
  }

  const handleGenerateSignature = (id: number, owner: string, privateKey: string) => {
    try {
      const message = `claim badge ${id} for user ${owner}`

      const privKey = Buffer.from(privateKey, 'hex')
      // const pubKey = Buffer.from(secp256k1.publicKeyCreate(privKey, true))
      const msgBytes = Buffer.from(message, 'utf8')
      const msgHashBytes = sha256(msgBytes)
      const signedMessage = secp256k1.ecdsaSign(msgHashBytes, privKey)
      setSignature(Buffer.from(signedMessage.signature).toString('hex'))
    } catch (error) {
      console.log(error)
      toast.error('Error generating signature.')
    }
  }

  return (
    <form>
      <div className="grid grid-cols-2 mt-4">
        <div className="mr-2">
          <ActionsCombobox mintRule={mintRule} {...actionComboboxState} />
          {showMetadataField && (
            <div className="p-4 mt-2 rounded-md border-2 border-gray-800">
              <span className="text-gray-400">Metadata</span>
              <TextInput className="mt-2" {...nameState} />
              <TextInput className="mt-2" {...descriptionState} />
              <TextInput className="mt-2" {...imageState} />
              <TextInput className="mt-2" {...imageDataState} />
              <TextInput className="mt-2" {...externalUrlState} />
              <div className="mt-2">
                <MetadataAttributes
                  attributes={attributesState.entries}
                  onAdd={attributesState.add}
                  onChange={attributesState.update}
                  onRemove={attributesState.remove}
                  title="Traits"
                />
              </div>
              <TextInput className="mt-2" {...backgroundColorState} />
              <TextInput className="mt-2" {...animationUrlState} />
              <TextInput className="mt-2" {...youtubeUrlState} />
            </div>
          )}
          {showOwnerField && (
            <AddressInput
              className="mt-2"
              {...ownerState}
              subtitle="The address that the badge will be minted to"
              title="Owner"
            />
          )}
          {showPubKeyField && <TextInput className="mt-2" {...pubKeyState} />}
          {showPrivateKeyField && <TextInput className="mt-2" {...privateKeyState} />}
          {showLimitState && <NumberInput className="mt-2" {...limitState} />}
          <Conditional test={isEitherType(type, ['purge_owners', 'purge_keys'])}>
            <Alert className="mt-4" type="info">
              This action is only available if the badge with the specified id is either minted out or expired.
            </Alert>
          </Conditional>

          <Conditional test={type === 'add_keys'}>
            <div className="flex flex-row justify-start py-3 mt-4 mb-3 w-full rounded border-2 border-white/20">
              <div className="grid grid-cols-2 gap-24">
                <div className="flex flex-col ml-4">
                  <span className="font-bold">Number of Keys</span>
                  <span className="text-sm text-white/80">
                    The number of public keys to be whitelisted for minting badges
                  </span>
                </div>
                <input
                  className="p-2 mt-4 w-1/2 max-w-2xl h-1/2 bg-white/10 rounded border-2 border-white/20"
                  onChange={(e) => setNumberOfKeys(Number(e.target.value))}
                  required
                  type="number"
                  value={numberOfKeys}
                />
              </div>
            </div>
          </Conditional>

          <Conditional test={numberOfKeys > 0 && type === 'add_keys'}>
            <Alert type="info">
              <div className="pt-2">
                <span className="mt-2">
                  Make sure to download the whitelisted public keys together with their private key counterparts.
                </span>
                <Button className="mt-2" onClick={() => handleDownloadKeys()}>
                  Download Key Pairs
                </Button>
              </div>
            </Alert>
          </Conditional>

          <Conditional test={showOwnerList}>
            <div className="mt-4">
              <AddressList
                entries={ownerListState.entries}
                isRequired
                onAdd={ownerListState.add}
                onChange={ownerListState.update}
                onRemove={ownerListState.remove}
                subtitle="Enter the owner addresses"
                title="Addresses"
              />
              <Alert className="mt-8" type="info">
                You may optionally choose a text file of additional owner addresses.
              </Alert>
              <WhitelistUpload onChange={setOwnerList} />
            </div>
          </Conditional>

          {showAirdropFileField && (
            <FormGroup
              subtitle="TXT file that contains the addresses to airdrop a badge for"
              title="Badge Airdrop List File"
            >
              <BadgeAirdropListUpload onChange={airdropFileOnChange} />
            </FormGroup>
          )}
        </div>
        <div className="-mt-6">
          <div className="relative mb-2">
            <Button
              className="absolute top-0 right-0"
              isLoading={isLoading}
              onClick={mutate}
              rightIcon={<FaArrowRight />}
            >
              Execute
            </Button>
            <FormControl subtitle="View execution transaction hash" title="Transaction Hash">
              <TransactionHash hash={lastTx} />
            </FormControl>
          </div>
          <FormControl subtitle="View current message to be sent" title="Payload Preview">
            <JsonPreview content={previewExecutePayload(payload)} isCopyable />
          </FormControl>
        </div>
      </div>
    </form>
  )
}