import { PublicKey } from "@solana/web3.js" // eslint-disable-line @typescript-eslint/no-unused-vars
import BN from "bn.js" // eslint-disable-line @typescript-eslint/no-unused-vars
import * as types from "../types" // eslint-disable-line @typescript-eslint/no-unused-vars
import * as borsh from "@project-serum/borsh"

export interface MessageDataFields {
  vaaVersion: number
  consistencyLevel: number
  vaaTime: number
  vaaSignatureAccount: PublicKey
  submissionTime: number
  nonce: number
  sequence: BN
  emitterChain: number
  emitterAddress: Array<number>
  payload: Array<number>
}

export interface MessageDataJSON {
  vaaVersion: number
  consistencyLevel: number
  vaaTime: number
  vaaSignatureAccount: string
  submissionTime: number
  nonce: number
  sequence: string
  emitterChain: number
  emitterAddress: Array<number>
  payload: Array<number>
}

export class MessageData {
  readonly vaaVersion: number
  readonly consistencyLevel: number
  readonly vaaTime: number
  readonly vaaSignatureAccount: PublicKey
  readonly submissionTime: number
  readonly nonce: number
  readonly sequence: BN
  readonly emitterChain: number
  readonly emitterAddress: Array<number>
  readonly payload: Array<number>

  constructor(fields: MessageDataFields) {
    this.vaaVersion = fields.vaaVersion
    this.consistencyLevel = fields.consistencyLevel
    this.vaaTime = fields.vaaTime
    this.vaaSignatureAccount = fields.vaaSignatureAccount
    this.submissionTime = fields.submissionTime
    this.nonce = fields.nonce
    this.sequence = fields.sequence
    this.emitterChain = fields.emitterChain
    this.emitterAddress = fields.emitterAddress
    this.payload = fields.payload
  }

  static layout(property?: string) {
    return borsh.struct(
      [
        borsh.u8("vaaVersion"),
        borsh.u8("consistencyLevel"),
        borsh.u32("vaaTime"),
        borsh.publicKey("vaaSignatureAccount"),
        borsh.u32("submissionTime"),
        borsh.u32("nonce"),
        borsh.u64("sequence"),
        borsh.u16("emitterChain"),
        borsh.array(borsh.u8(), 32, "emitterAddress"),
        borsh.vecU8("payload"),
      ],
      property
    )
  }

  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  static fromDecoded(obj: any) {
    return new MessageData({
      vaaVersion: obj.vaaVersion,
      consistencyLevel: obj.consistencyLevel,
      vaaTime: obj.vaaTime,
      vaaSignatureAccount: obj.vaaSignatureAccount,
      submissionTime: obj.submissionTime,
      nonce: obj.nonce,
      sequence: obj.sequence,
      emitterChain: obj.emitterChain,
      emitterAddress: obj.emitterAddress,
      payload: Array.from(obj.payload),
    })
  }

  static toEncodable(fields: MessageDataFields) {
    return {
      vaaVersion: fields.vaaVersion,
      consistencyLevel: fields.consistencyLevel,
      vaaTime: fields.vaaTime,
      vaaSignatureAccount: fields.vaaSignatureAccount,
      submissionTime: fields.submissionTime,
      nonce: fields.nonce,
      sequence: fields.sequence,
      emitterChain: fields.emitterChain,
      emitterAddress: fields.emitterAddress,
      payload: Buffer.from(fields.payload),
    }
  }

  toJSON(): MessageDataJSON {
    return {
      vaaVersion: this.vaaVersion,
      consistencyLevel: this.consistencyLevel,
      vaaTime: this.vaaTime,
      vaaSignatureAccount: this.vaaSignatureAccount.toString(),
      submissionTime: this.submissionTime,
      nonce: this.nonce,
      sequence: this.sequence.toString(),
      emitterChain: this.emitterChain,
      emitterAddress: this.emitterAddress,
      payload: this.payload,
    }
  }

  static fromJSON(obj: MessageDataJSON): MessageData {
    return new MessageData({
      vaaVersion: obj.vaaVersion,
      consistencyLevel: obj.consistencyLevel,
      vaaTime: obj.vaaTime,
      vaaSignatureAccount: new PublicKey(obj.vaaSignatureAccount),
      submissionTime: obj.submissionTime,
      nonce: obj.nonce,
      sequence: new BN(obj.sequence),
      emitterChain: obj.emitterChain,
      emitterAddress: obj.emitterAddress,
      payload: obj.payload,
    })
  }

  toEncodable() {
    return MessageData.toEncodable(this)
  }
}