import {z} from 'zod'

export type GetApiApiV1MerchantOptions = {baseUrl?: string | undefined, ApiKeyAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const currencyOptions = z.object({transaction: z.string().optional(), explorer: z.string().optional(), address: z.string().optional(), confirmations: z.number().int().optional()});

export const currencyProtocol = z.object({code: z.string().optional(), network: z.string().optional()});

export const externalCurrencyWithdrawalParameter = z.object({id: z.number().int().optional(), code: z.string().optional(), name: z.string().optional()});

export const currencyDto = z.object({code: z.string().optional(), depositFee: z.number().optional(), fiat: z.boolean().optional(), icon: z.string().optional(), id: z.number().int().optional(), name: z.string().optional(), options: currencyOptions.optional(), pricePrecision: z.number().int().optional(), protocols: z.array(currencyProtocol).optional(), quantityPrecision: z.number().int().optional(), supportsDeposits: z.boolean().optional(), supportsWithdrawals: z.boolean().optional(), withdrawalFee: z.number().optional(), withdrawalParameters: z.array(externalCurrencyWithdrawalParameter).optional()});

export const walletDto = z.object({address: z.string().optional(), alternatives: z.array(z.unknown()).optional(), approxAvailable: z.string().optional(), approxBalance: z.string().optional(), available: z.number().optional(), balance: z.number().optional(), convertedAvailable: z.number().optional(), currency: currencyDto.optional(), custodianWallet: z.boolean().optional(), depositFee: z.number().optional(), description: z.string().optional(), id: z.number().int().optional(), isEmoney: z.boolean().optional(), lookup: z.string().optional(), network: z.string().optional(), protocol: z.string().optional(), supportsDeposits: z.boolean().optional(), supportsThirdParty: z.boolean().optional(), supportsWithdrawals: z.boolean().optional(), withdrawalFee: z.number().optional(), supportsInternalBvnkNetworkTransfers: z.boolean().optional(), partner: z.string().optional(), supportedTransferDestinations: z.array(z.string()).optional(), approxConvertedAvailable: z.string().optional(), lsid: z.string().optional(), status: z.enum(["ACTIVE", "INACTIVE", "TERMINATED"]).optional()});

export const merchantDto = z.object({id: z.number().int().optional(), merchantId: z.string().optional(), displayName: z.string().optional(), secret: z.string().optional(), webhookUrl: z.string().optional(), autoConvertInvalidPayments: z.boolean().optional(), defaultExpiryMinutes: z.number().int().optional(), webhookVersion: z.number().int().optional(), wallet: walletDto.optional(), emailRecipients: z.string().optional()});

export const getApiApiV1MerchantResponse = z.array(merchantDto);

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
};

/**
 * List merchant IDs
 * 
 * GET /api/v1/merchant
 */
export const getApiApiV1Merchant = async (options?: GetApiApiV1MerchantOptions) => {
const {baseUrl = "https://api.sandbox.bvnk.com", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${ApiKeyAuth.username}:${ApiKeyAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/merchant${query.size > 0 ? `?${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(getApiApiV1MerchantResponse, await res.json())
};