import {z} from 'zod'

export type GetApiBlockchainV2AssetTransactionsTxidArgs = {asset: string, txid: string, include_sub_accounts?: boolean | undefined, pretty?: boolean | undefined};

export type GetApiBlockchainV2AssetTransactionsTxidOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const blockchainTransactionId = z.string();

export const time = z.string();

export const blockchainTransactionPosition = z.string();

export const blockchainChainSequenceNumber = z.string();

export const blockchainNumberOfBalanceUpdates = z.string();

export const blockchainTransactionAmount = z.string();

export const blockchainStaleBlock = z.string();

export const blockchainBlockHash = z.string();

export const blockchainBlockHeight = z.string();

export const blockchainTransactionVersion = z.string();

export const blockchainTransactionPhysicalSize = z.string();

export const blockchainTransactionConsensusSize = z.string();

export const blockchainTransactionFee = z.string();

export const blockchainAccount = z.string();

export const blockchainBalanceChange = z.string();

export const blockchainAccountBalance = z.string();

export const blockchainTransactionSequenceNumber = z.string();

export const blockchainNumberOfDebits = z.string();

export const blockchainNumberOfCredits = z.string();

export const blockchainSubAccount = z.string();

export const blockchainTotalReceived = z.string();

export const blockchainTotalSent = z.string();

export const blockchainBalanceUpdateSubAccount = z.object({sub_account: blockchainSubAccount.optional(), previous_balance: blockchainAccountBalance.optional(), new_balance: blockchainAccountBalance.optional(), n_debits: blockchainNumberOfDebits.optional(), n_credits: blockchainNumberOfCredits.optional(), previous_credit_height: blockchainBlockHeight.optional(), previous_debit_height: blockchainBlockHeight.optional(), previous_chain_sequence_number: blockchainTransactionSequenceNumber.optional(), total_received: blockchainTotalReceived.optional(), total_sent: blockchainTotalSent.optional(), creation_height: blockchainBlockHeight.optional()});

export const blockchainTransactionBalanceUpdateV2 = z.object({chain_sequence_number: blockchainChainSequenceNumber, account: blockchainAccount, account_creation_height: blockchainBlockHeight, change: blockchainBalanceChange, previous_balance: blockchainAccountBalance, new_balance: blockchainAccountBalance, transaction_sequence_number: blockchainTransactionSequenceNumber, n_debits: blockchainNumberOfDebits, n_credits: blockchainNumberOfCredits, previous_debit_height: blockchainBlockHeight.optional(), previous_credit_height: blockchainBlockHeight.optional(), previous_chain_sequence_number: blockchainTransactionSequenceNumber.optional(), sub_account: blockchainBalanceUpdateSubAccount.optional(), stale: blockchainStaleBlock.optional()});

export const blockchainTransactionBalanceUpdatesV2 = z.array(blockchainTransactionBalanceUpdateV2);

export const blockchainFullSingleTransactionResponseV2 = z.object({txid: blockchainTransactionId, consensus_time: time, miner_time: time.optional(), tx_position: blockchainTransactionPosition, min_chain_sequence_number: blockchainChainSequenceNumber.optional(), max_chain_sequence_number: blockchainChainSequenceNumber.optional(), n_balance_updates: blockchainNumberOfBalanceUpdates, amount: blockchainTransactionAmount, stale: blockchainStaleBlock.optional(), block_hash: blockchainBlockHash, height: blockchainBlockHeight, version: blockchainTransactionVersion.optional(), physical_size: blockchainTransactionPhysicalSize.optional(), consensus_size: blockchainTransactionConsensusSize.optional(), fee: blockchainTransactionFee.optional(), balance_updates: blockchainTransactionBalanceUpdatesV2.optional()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Full transaction
 * 
 * GET /blockchain-v2/{asset}/transactions/{txid}
 */
export const getApiBlockchainV2AssetTransactionsTxid = async (args: GetApiBlockchainV2AssetTransactionsTxidArgs, options?: GetApiBlockchainV2AssetTransactionsTxidOptions) => {
const {baseUrl = "https://api.coinmetrics.io/v4", fetch: fetchFn = fetch, apiKey} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (args.include_sub_accounts != null) query.append("include_sub_accounts", String(args.include_sub_accounts))
if (args.pretty != null) query.append("pretty", String(args.pretty))
if (apiKey !== undefined) query.set("api_key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/blockchain-v2/${encodeURIComponent(String(args.asset))}/transactions/${encodeURIComponent(String(args.txid))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(blockchainFullSingleTransactionResponseV2, await res.json())
};