import {z} from 'zod'

export type CardBrand = 'VISA' | 'MASTERCARD' | 'VERVE';

export type CreateCardAccountRequest = {accountId: string, displayName: string, cardPackageId?: string | undefined, cardBrand?: CardBrand | undefined, initialFundingAmount: number, dailyLimit?: number | undefined, transactionLimit?: number | undefined, whitelistedMccs?: Array<string> | undefined, blacklistedMccs?: Array<string> | undefined, contactlessPaymentEnabled?: boolean | undefined};

export type CreateApiLedgerCardAccountsArgs = {body: CreateCardAccountRequest};

export type CreateApiLedgerCardAccountsOptions = {baseUrl?: string | undefined, HMACAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const cardAccountStatus = z.enum(["PENDING_KYC", "PENDING_PROVISIONING", "ACTIVE", "FROZEN", "TERMINATED", "KYC_REJECTED", "CREATION_FAILED"]);

export const cardSpendControls = z.object({dailyLimit: z.number().optional(), transactionLimit: z.number().optional(), whitelistedMccs: z.array(z.string()).optional(), blacklistedMccs: z.array(z.string()).optional(), contactlessPaymentEnabled: z.boolean().optional()});

export const cardBrand = z.enum(["VISA", "MASTERCARD", "VERVE"]);

export const cardBillingAddress = z.object({address: z.string().optional(), city: z.string().optional(), state: z.string().optional(), country: z.string().optional(), postalCode: z.string().optional(), zipCode: z.string().optional(), houseNo: z.string().optional()});

export const cardDetails = z.object({displayName: z.string().optional(), cardBrand: cardBrand.optional(), cardType: z.string().optional(), cardHolderName: z.string().optional(), maskedCardNumber: z.string().optional(), expiryMonth: z.string().optional(), expiryYear: z.string().optional(), billingAddress: cardBillingAddress.optional(), encryptedCardDetails: z.string().optional()});

export const cardAccount = z.object({id: z.string(), accountId: z.string(), currency: z.string(), status: cardAccountStatus, balance: z.number(), failureReason: z.string().optional(), spendControls: cardSpendControls.optional(), createdDate: z.string(), cardDetails: cardDetails.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
};

/**
 * Create a corporate card.
 * 
 * POST /ledger/card-accounts
 */
export const createApiLedgerCardAccounts = async (args: CreateApiLedgerCardAccountsArgs, options?: CreateApiLedgerCardAccountsOptions) => {
const {baseUrl = "https://external.dev.onboardpay.co", fetch: fetchFn = fetch, HMACAuth} = options ?? {}

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

if (HMACAuth !== undefined) headers.set("x-api-key", HMACAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/ledger/card-accounts${query.size > 0 ? `?${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(cardAccount, await res.json())
};