import {z} from 'zod'

export type GetApiChainIdApiV2ArbitrumBatchesBatchNumberArgs = {batch_number: number, chain_id: string};

export type GetApiChainIdApiV2ArbitrumBatchesBatchNumberOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const fullHashNullable = z.string().nullable();

export const timestampNullable = z.string().nullable();

export const commitmentTransaction = z.object({block_number: z.number().int().gte(0).nullable(), hash: fullHashNullable, status: z.enum(["unfinalized", "finalized"]).nullable(), timestamp: timestampNullable});

export const base = z.object({batch_data_container: z.enum(["in_blob4844", "in_calldata"]).nullable()});

export const anytrust = z.object({batch_data_container: z.literal("in_anytrust"), bls_signature: z.string().nullable(), data_hash: z.string().nullable(), signers: z.array(z.object({key: z.string(), proof: z.string().optional(), trusted: z.boolean()})), timeout: z.string().nullable()});

export const celestia = z.object({batch_data_container: z.literal("in_celestia"), height: z.number().int().nullable(), transaction_commitment: z.string().nullable()});

export const eigenda = z.object({batch_data_container: z.literal("in_eigenda"), blob_header: z.string().nullable(), blob_verification_proof: z.string().nullable()});

export const arbitrumBatch = z.object({after_acc_hash: z.string(), before_acc_hash: z.string(), commitment_transaction: commitmentTransaction, data_availability: z.union([base, anytrust, celestia, eigenda]), end_block_number: z.number().int().gte(0), number: z.number().int().gte(0), start_block_number: z.number().int().gte(0), transactions_count: z.number().int().gte(0)});

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
};

/**
 * Get batch by number.
 * 
 * GET /{chain_id}/api/v2/arbitrum/batches/{batch_number}
 * 
 * Also accepts auth: apiKeyAuth
 */
export const getApiChainIdApiV2ArbitrumBatchesBatchNumber = async (args: GetApiChainIdApiV2ArbitrumBatchesBatchNumberArgs, options?: GetApiChainIdApiV2ArbitrumBatchesBatchNumberOptions) => {
const {baseUrl = "https://api.blockscout.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/${encodeURIComponent(String(args.chain_id))}/api/v2/arbitrum/batches/${encodeURIComponent(String(args.batch_number))}${query.size > 0 ? `?${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(arbitrumBatch, await res.json())
};