import {z} from 'zod'

export type InitiateBulkTransferDto = {beneficiary?: Record<string, never> | undefined, beneficiaryId?: string | undefined, currency: 'NGN' | 'KES' | 'ZAR' | 'GHS' | 'XOF' | 'USD', amount: number, narration: string, splitCount?: number | undefined};

export type CreateApiV1VaTransferBulkArgs = {'idempotency-key': string, body: InitiateBulkTransferDto};

export type CreateApiV1VaTransferBulkOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const publicTransferFeeBreakdownDto = z.object({fee: z.number(), vat: z.number(), processorFee: z.number(), allInclusiveKyshiFee: z.number(), totalFees: z.number(), others: z.record(z.string(), z.number())});

export const publicTransferBeneficiaryDto = z.object({id: z.string(), accountName: z.string(), accountNumber: z.string(), bankCode: z.string(), bankName: z.string(), providerId: z.string().optional(), description: z.string().optional(), isActive: z.boolean(), mode: z.enum(["test", "live"]), createdAt: z.string(), updatedAt: z.string()});

export const publicBulkVaTransferItemDto = z.object({id: z.string(), sequence: z.number(), amount: z.number(), reference: z.string(), status: z.enum(["PENDING", "SUCCESS", "IN_REVIEW", "FAILED", "REVERSAL", "COLLECTED"]), externalReference: z.string().optional(), failureReason: z.string().optional(), transactionId: z.string().optional(), transferId: z.string().optional(), attemptedAt: z.string().optional(), completedAt: z.string().optional()});

export const createApiV1VaTransferBulkResponse = z.object({status: z.boolean(), message: z.string(), code: z.number(), data: z.object({id: z.string(), reference: z.string(), status: z.enum(["PENDING", "PROCESSING", "COMPLETED", "PARTIALLY_FAILED", "FAILED"]), currency: z.string(), amount: z.number(), totalFees: z.number(), totalDebitAmount: z.number(), splitCount: z.number(), successfulCount: z.number(), failedCount: z.number(), pendingCount: z.number(), feeBreakDown: publicTransferFeeBreakdownDto, beneficiary: publicTransferBeneficiaryDto, provider: z.enum(["PROVIDUS_BANK", "STERLING", "VFD", "PAYSTACK", "FLUTTERWAVE", "CHOICE", "STITCH", "PAGA", "STRIPE", "ASSET_MFB", "MOMENTPAY", "PAWAPAY"]), rail: z.enum(["VFD_VA", "ASSET_MFB", "PAYSTACK", "STRIPE", "PAWAPAY", "MANUAL_OTC"]), mode: z.enum(["test", "live"]), workflowId: z.string().optional(), startedAt: z.string().optional(), completedAt: z.string().optional(), items: z.array(publicBulkVaTransferItemDto), createdAt: z.string(), updatedAt: z.string()})});

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
};

/**
 * Initiate bulk VA transfer
 * 
 * POST /v1/va/transfer/bulk
 */
export const createApiV1VaTransferBulk = async (args: CreateApiV1VaTransferBulkArgs, options?: CreateApiV1VaTransferBulkOptions) => {
const {baseUrl = "https://api.kyshi.co", 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 (args['idempotency-key'] != null) headers.set("idempotency-key", String(args['idempotency-key']))
if (ApiKeyAuth !== undefined) headers.set("x-api-key", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/va/transfer/bulk${query.size > 0 ? `?${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(createApiV1VaTransferBulkResponse, await res.json())
};