import {z} from 'zod'

export type Chain = 'mainnet' | 'hoodi';

export type NamedChain = {chain?: Chain | undefined};

export type CreateApiApiV2EthereumQueuesArgs = {body: NamedChain};

export type CreateApiApiV2EthereumQueuesOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const count = z.number().int().gte(0);

export const wei = z.string();

export const timestamp = z.number().int().gte(0);

export const queueStatsDepositQueue = z.object({deposit_count: count.optional(), balance: wei.optional(), estimated_processed_at: timestamp.optional(), churn: wei});

export const queueStatsExitQueue = z.object({count: count.optional(), balance: wei.optional(), estimated_processed_at: timestamp.optional(), churn: wei});

export const timeSecondsDuration = z.number().int().gte(0);

export const queueStatsWithdrawalSweep = z.object({estimated_sweep_delay: timeSecondsDuration.optional(), last_swept_validator_index: z.number().int()});

export const finalityParamsOnlyNoFinalization = z.literal("not_finalized");

export const queueStatsData = z.object({deposit_queue: queueStatsDepositQueue, exit_queue: queueStatsExitQueue, withdrawal_sweep: queueStatsWithdrawalSweep, finality: finalityParamsOnlyNoFinalization});

export const queueStatsContainer = z.object({data: queueStatsData});

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
};

/**
 * Network Queue Overview
 * 
 * POST /api/v2/ethereum/queues
 */
export const createApiApiV2EthereumQueues = async (args: CreateApiApiV2EthereumQueuesArgs, options?: CreateApiApiV2EthereumQueuesOptions) => {
const {baseUrl = "https://beaconcha.in", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/ethereum/queues${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

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

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