import type * as AccessList from '../core/AccessList.js'
import type * as Address from '../core/Address.js'
import type * as Errors from '../core/Errors.js'
import * as Hex from '../core/Hex.js'
import type { Compute, OneOf, UnionCompute } from '../core/internal/types.js'
import * as Signature from '../core/Signature.js'
import * as ox_Transaction from '../core/Transaction.js'
import * as AuthorizationTempo from './AuthorizationTempo.js'
import * as KeyAuthorization from './KeyAuthorization.js'
import * as SignatureEnvelope from './SignatureEnvelope.js'
import type { Call } from './TxEnvelopeTempo.js'

/**
 * A Transaction as defined in the [Execution API specification](https://github.com/ethereum/execution-apis/blob/main/src/schemas/transaction.yaml).
 *
 * @see {@link https://docs.tempo.xyz/protocol/transactions}
 */
export type Transaction<
  pending extends boolean = false,
  bigintType = bigint,
  numberType = number,
> = UnionCompute<
  OneOf<
    | Tempo<pending, bigintType, numberType>
    | ox_Transaction.Transaction<pending, bigintType, numberType>
  >
>

/**
 * An RPC Transaction as defined in the [Execution API specification](https://github.com/ethereum/execution-apis/blob/main/src/schemas/transaction.yaml).
 */
export type Rpc<pending extends boolean = false> = UnionCompute<
  OneOf<TempoRpc<pending> | ox_Transaction.Rpc<pending>>
>

/**
 * Native account abstraction transaction (type `0x76`).
 *
 * Features configurable fee tokens, call batching, fee sponsorship, access keys,
 * parallelizable nonces, and scheduled execution via `validAfter`/`validBefore`.
 *
 * @see {@link https://docs.tempo.xyz/protocol/transactions/spec-tempo-transaction}
 */
export type Tempo<
  pending extends boolean = false,
  bigintType = bigint,
  numberType = number,
  type extends string = 'tempo',
> = Compute<
  Omit<
    ox_Transaction.Base<type, pending, bigintType, numberType>,
    // Tempo transactions don't have these properties.
    'input' | 'to' | 'value' | 'v' | 'r' | 's' | 'yParity'
  > & {
    /** EIP-2930 Access List. */
    accessList: AccessList.AccessList
    /** EIP-7702 Authorization list for the transaction. */
    authorizationList?:
      | AuthorizationTempo.ListSigned<bigintType, numberType>
      | undefined
    /** Array of calls to execute. */
    calls: readonly Call<bigintType>[]
    /** Fee payer signature. */
    feePayerSignature?:
      | {
          /** ECDSA signature r. */
          r: bigintType
          /** ECDSA signature s. */
          s: bigintType
          /** ECDSA signature yParity. */
          yParity: numberType
          /** @deprecated ECDSA signature v (for backwards compatibility). */
          v?: numberType | undefined
        }
      | undefined
    /** Fee token preference. */
    feeToken: Address.Address
    /** Effective gas price paid by the sender in wei. */
    gasPrice?: bigintType | undefined
    /** Key authorization for provisioning a new access key. */
    keyAuthorization?:
      | KeyAuthorization.KeyAuthorization<true, bigintType, numberType>
      | undefined
    /** Total fee per gas in wei (gasPrice/baseFeePerGas + maxPriorityFeePerGas). */
    maxFeePerGas: bigintType
    /** Max priority fee per gas (in wei). */
    maxPriorityFeePerGas: bigintType
    /** Nonce key for 2D nonce system (192 bits). */
    nonceKey?: bigintType | undefined
    /** Sender signature. */
    signature: SignatureEnvelope.SignatureEnvelope<bigintType, numberType>
    /** Transaction can only be included in a block before this timestamp. */
    validBefore?: numberType | undefined
    /** Transaction can only be included in a block after this timestamp. */
    validAfter?: numberType | undefined
  }
>

/**
 * Native account abstraction transaction in RPC format.
 */
export type TempoRpc<pending extends boolean = false> = Compute<
  Omit<
    Tempo<pending, Hex.Hex, Hex.Hex, ToRpcType['tempo']>,
    'authorizationList' | 'calls' | 'keyAuthorization' | 'signature'
  > & {
    aaAuthorizationList?: AuthorizationTempo.ListRpc | undefined
    calls:
      | readonly {
          input?: Hex.Hex | undefined
          to?: Hex.Hex | undefined
          value?: Hex.Hex | undefined
        }[]
      | undefined
    keyAuthorization?: KeyAuthorization.Rpc | undefined
    signature: SignatureEnvelope.SignatureEnvelopeRpc
  }
>

/** Type to RPC Type mapping. */
export const toRpcType = {
  ...ox_Transaction.toRpcType,
  tempo: '0x76',
} as const

/** Type to RPC Type mapping. */
export type ToRpcType = typeof toRpcType & {
  [type: string]: `0x${string}`
}

/** RPC Type to Type mapping. */
export const fromRpcType = {
  ...ox_Transaction.fromRpcType,
  '0x76': 'tempo',
} as const

/** RPC Type to Type mapping. */

export type FromRpcType = typeof fromRpcType & {
  [type: `0x${string}`]: string
}

/**
 * Converts an {@link ox#Transaction.Rpc} to an {@link ox#Transaction.Transaction}.
 *
 * @example
 * ```ts twoslash
 * import { Transaction } from 'ox/tempo'
 *
 * const transaction = Transaction.fromRpc({
 *   hash: '0x353fdfc38a2f26115daadee9f5b8392ce62b84f410957967e2ed56b35338cdd0',
 *   nonce: '0x357',
 *   blockHash:
 *     '0xc350d807505fb835650f0013632c5515592987ba169bbc6626d9fc54d91f0f0b',
 *   blockNumber: '0x12f296f',
 *   calls: [
 *     {
 *       input: '0xdeadbeef',
 *       to: '0x3fc91a3afd70395cd496c647d5a6cc9d4b2b7fad',
 *       value: '0x9b6e64a8ec60000',
 *     },
 *   ],
 *   feeToken: '0x20c0000000000000000000000000000000000000',
 *   transactionIndex: '0x2',
 *   from: '0x814e5e0e31016b9a7f138c76b7e7b2bb5c1ab6a6',
 *   value: '0x9b6e64a8ec60000',
 *   gas: '0x43f5d',
 *   maxFeePerGas: '0x2ca6ae494',
 *   maxPriorityFeePerGas: '0x41cc3c0',
 *   input:
 *     '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',
 *   signature: {
 *     r: '0x635dc2033e60185bb36709c29c75d64ea51dfbd91c32ef4be198e4ceb169fb4d',
 *     s: '0x50c2667ac4c771072746acfdcf1f1483336dcca8bd2df47cd83175dbe60f0540',
 *     type: 'secp256k1',
 *     yParity: '0x0',
 *   },
 *   chainId: '0x1',
 *   accessList: [],
 *   type: '0x76',
 * })
 * ```
 *
 * @param transaction - The RPC transaction to convert.
 * @returns An instantiated {@link ox#Transaction.Transaction}.
 */
export function fromRpc<
  const transaction extends Rpc | null,
  pending extends boolean = false,
>(
  transaction: transaction | Rpc<pending> | null,
  _options: fromRpc.Options<pending> = {},
): transaction extends Rpc<pending> ? Transaction<pending> : null {
  if (!transaction) return null as never

  const transaction_ = ox_Transaction.fromRpc(
    transaction as ox_Transaction.Rpc<pending>,
  ) as Transaction<pending>

  transaction_.type = fromRpcType[transaction.type as keyof typeof fromRpcType]

  if (transaction.aaAuthorizationList) {
    transaction_.authorizationList = AuthorizationTempo.fromRpcList(
      transaction.aaAuthorizationList,
    )
    delete (transaction_ as any).aaAuthorizationList
  }
  if (transaction.calls)
    transaction_.calls = transaction.calls.map((call) => ({
      to: call.to,
      value: call.value && call.value !== '0x' ? BigInt(call.value) : undefined,
      // @ts-expect-error
      data: call.input || call.data || '0x',
    }))
  if (transaction.feeToken) transaction_.feeToken = transaction.feeToken
  if (transaction.nonceKey) transaction_.nonceKey = BigInt(transaction.nonceKey)
  if (transaction.signature)
    transaction_.signature = SignatureEnvelope.fromRpc(transaction.signature)
  if (transaction.validAfter)
    transaction_.validAfter = Number(transaction.validAfter)
  if (transaction.validBefore)
    transaction_.validBefore = Number(transaction.validBefore)
  if (transaction.keyAuthorization)
    transaction_.keyAuthorization = KeyAuthorization.fromRpc(
      transaction.keyAuthorization,
    )
  if (transaction.feePayerSignature) {
    transaction_.feePayerSignature = Signature.fromRpc(
      transaction.feePayerSignature,
    )
    ;(transaction_.feePayerSignature as any).v = Signature.yParityToV(
      transaction_.feePayerSignature.yParity,
    )
  }

  return transaction_ as never
}

export declare namespace fromRpc {
  type Options<pending extends boolean = false> = {
    pending?: pending | boolean | undefined
  }

  type ErrorType = ox_Transaction.fromRpc.ErrorType | Errors.GlobalErrorType
}

/**
 * Converts an {@link ox#Transaction.Transaction} to an {@link ox#Transaction.Rpc}.
 *
 * @example
 * ```ts twoslash
 * import { Transaction } from 'ox/tempo'
 *
 * const transaction = Transaction.toRpc({
 *   accessList: [],
 *   blockHash:
 *     '0xc350d807505fb835650f0013632c5515592987ba169bbc6626d9fc54d91f0f0b',
 *   blockNumber: 19868015n,
 *   calls: [
 *     {
 *       data: '0xdeadbeef',
 *       to: '0x3fc91a3afd70395cd496c647d5a6cc9d4b2b7fad',
 *       value: 700000000000000000n,
 *     },
 *   ],
 *   chainId: 1,
 *   feeToken: '0x20c0000000000000000000000000000000000000',
 *   from: '0x814e5e0e31016b9a7f138c76b7e7b2bb5c1ab6a6',
 *   gas: 278365n,
 *   hash: '0x353fdfc38a2f26115daadee9f5b8392ce62b84f410957967e2ed56b35338cdd0',
 *   input:
 *     '0x3593564c000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000006643504700000000000000000000000000000000000000000000000000000000000000040b080604000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000009b6e64a8ec600000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000009b6e64a8ec60000000000000000000000000000000000000000000000000000019124bb5ae978c000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2000000000000000000000000c56c7a0eaa804f854b536a5f3d5f49d2ec4b12b80000000000000000000000000000000000000000000000000000000000000060000000000000000000000000c56c7a0eaa804f854b536a5f3d5f49d2ec4b12b8000000000000000000000000000000fee13a103a10d593b9ae06b3e05f2e7e1c00000000000000000000000000000000000000000000000000000000000000190000000000000000000000000000000000000000000000000000000000000060000000000000000000000000c56c7a0eaa804f854b536a5f3d5f49d2ec4b12b800000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000190240001b9872b',
 *   maxFeePerGas: 11985937556n,
 *   maxPriorityFeePerGas: 68993984n,
 *   nonce: 855n,
 *   signature: {
 *     signature: {
 *       r: 44944627813007772897391531230081695102703289123332187696115181104739239197517n,
 *       s: 36528503505192438307355164441104001310566505351980369085208178712678799181120n,
 *       yParity: 0,
 *     },
 *     type: 'secp256k1',
 *   },
 *   transactionIndex: 2,
 *   type: 'tempo',
 * })
 * ```
 *
 * @param transaction - The transaction to convert.
 * @returns An RPC-formatted transaction.
 */
export function toRpc<pending extends boolean = false>(
  transaction: Transaction<pending>,
  _options?: toRpc.Options<pending>,
): Rpc<pending> {
  const rpc = ox_Transaction.toRpc(
    transaction as ox_Transaction.Transaction<pending>,
  ) as Rpc<pending>

  rpc.type = toRpcType[transaction.type as keyof typeof toRpcType]

  if (transaction.authorizationList)
    rpc.aaAuthorizationList = AuthorizationTempo.toRpcList(
      transaction.authorizationList as AuthorizationTempo.ListSigned,
    )
  if (transaction.calls)
    rpc.calls = transaction.calls.map((call) => ({
      to: call.to,
      value: call.value ? Hex.fromNumber(call.value) : undefined,
      data: call.data,
    }))
  if (transaction.feeToken) rpc.feeToken = transaction.feeToken
  if (transaction.keyAuthorization)
    rpc.keyAuthorization = KeyAuthorization.toRpc(transaction.keyAuthorization)
  if (transaction.feePayerSignature) {
    rpc.feePayerSignature = Signature.toRpc(
      transaction.feePayerSignature,
    ) as any
    ;(rpc.feePayerSignature as any).v = Hex.fromNumber(
      Signature.yParityToV(transaction.feePayerSignature?.yParity),
    )
  }
  if (transaction.signature)
    rpc.signature = SignatureEnvelope.toRpc(transaction.signature)
  if (typeof transaction.validAfter === 'number')
    rpc.validAfter = Hex.fromNumber(transaction.validAfter)
  if (typeof transaction.validBefore === 'number')
    rpc.validBefore = Hex.fromNumber(transaction.validBefore)

  return rpc as Rpc<pending>
}

export declare namespace toRpc {
  type Options<pending extends boolean = false> = {
    pending?: pending | boolean | undefined
  }

  type ErrorType = ox_Transaction.toRpc.ErrorType | Errors.GlobalErrorType
}