import {z} from 'zod'

export type CardMetadataRequestSourceCard = {type: string, number: string};

export type CardMetadataRequestSourceBin = {type: string, bin: string};

export type CardMetadataRequestSourceToken = {type: string, token: string};

export type CardMetadataRequestSourceInstrument = {type: string, id: string};

export type CardMetadataRequestSource = CardMetadataRequestSourceCard | CardMetadataRequestSourceBin | CardMetadataRequestSourceToken | CardMetadataRequestSourceInstrument;

export type CardMetadataRequest = {source?: CardMetadataRequestSource | undefined, format?: ('basic' | 'card_payouts') | undefined, reference?: string | undefined};

export type CreateApiMetadataCardArgs = {body: CardMetadataRequest};

export type CreateApiMetadataCardOptions = {baseUrl: string, OAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const pinlessDebitSchemeMetadata = z.object({network_id: z.string().optional(), network_description: z.string().optional(), bill_pay_indicator: z.boolean().optional(), ecommerce_indicator: z.boolean().optional(), interchange_fee_indicator: z.string().optional(), money_transfer_indicator: z.boolean().optional(), token_indicator: z.boolean().optional()});

export const pullFunds = z.object({cross_border: z.boolean().optional(), domestic: z.boolean().optional()});

export const accountFundingTransaction = z.object({aft_indicator: z.object({pull_funds: pullFunds.optional()}).optional()});

export const cardMetadataResponse = z.object({bin: z.string().min(6).max(11), scheme: z.string(), scheme_local: z.enum(["cartes_bancaires", "mada", "omannet"]).optional(), local_schemes: z.array(z.enum(["accel", "cartes_bancaires", "eftpos", "mada", "nyce", "omannet", "pulse", "shazam", "star", "upi", "paypak", "maestro"])).optional(), card_type: z.enum(["CREDIT", "DEBIT", "PREPAID", "CHARGE", "DEFERRED DEBIT", "NETWORK TOKEN"]).optional(), card_category: z.enum(["CONSUMER", "COMMERCIAL"]).optional(), currency: z.string().optional(), issuer: z.string().optional(), issuer_country: z.string().optional(), issuer_country_name: z.string().optional(), is_combo_card: z.boolean().optional(), product_id: z.string().optional(), product_type: z.string().optional(), subproduct_id: z.string().optional(), regulated_indicator: z.boolean().optional(), regulated_type: z.enum(["base_regulated", "fraud_protected_regulated"]).optional(), is_reloadable_prepaid: z.boolean().optional(), anonymous_prepaid_description: z.enum(["Anonymous prepaid program and not AMLD5 compliant", "Anonymous prepaid program and AMLD5 compliant", "Not prepaid or non-anonymous prepaid program/default"]).optional(), card_payouts: z.object({domestic_non_money_transfer: z.enum(["not_supported", "standard", "fast_funds", "unknown"]).optional(), cross_border_non_money_transfer: z.enum(["not_supported", "standard", "fast_funds", "unknown"]).optional(), domestic_gambling: z.enum(["not_supported", "standard", "fast_funds", "unknown"]).optional(), cross_border_gambling: z.enum(["not_supported", "standard", "fast_funds", "unknown"]).optional(), domestic_money_transfer: z.enum(["not_supported", "standard", "fast_funds", "unknown"]).optional(), cross_border_money_transfer: z.enum(["not_supported", "standard", "fast_funds", "unknown"]).optional()}).optional(), scheme_metadata: z.object({accel: z.array(pinlessDebitSchemeMetadata).optional(), pulse: z.array(pinlessDebitSchemeMetadata).optional(), nyce: z.array(pinlessDebitSchemeMetadata).optional(), shazam: z.array(pinlessDebitSchemeMetadata).optional(), star: z.array(pinlessDebitSchemeMetadata).optional()}).optional(), account_funding_transaction: accountFundingTransaction.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
};

/**
 * Get card metadata
 * 
 * POST /metadata/card
 * 
 * Also accepts auth: ApiSecretKey
 */
export const createApiMetadataCard = async (args: CreateApiMetadataCardArgs, options: CreateApiMetadataCardOptions) => {
const {baseUrl, fetch: fetchFn = fetch, OAuth} = options ?? {}

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

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

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