import {z} from 'zod'

export type CreateCard = {name: string, number: string, verification?: string | undefined, month: string, year: string, address_line1?: string | undefined, address_line2?: string | undefined, address_city?: string | undefined, address_state?: string | undefined, address_postal_code: string, address_country?: string | undefined, brand?: string | undefined, metadata?: Record<string, never> | undefined};

export type CreateBankAccount = {account_owner_name: string, routing_number: string, account_number: string, account_type: 'checking' | 'savings', account_owner_type: 'individual' | 'company', country: string, currency: 'usd' | 'cad', bank_name?: string | undefined, metadata?: Record<string, never> | undefined};

export type CreateApiPaymentMethodsArgs = {'Idempotency-Key': string, Authorization: string, 'Sub-Account': string, body: {payment_method: {payment_method_group_id?: string | undefined, card?: CreateCard | undefined, bank_account?: CreateBankAccount | undefined}, email?: string | undefined, force_tokenize?: boolean | undefined}};

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

export const binDetails = z.object({type: z.string().optional(), card_brand: z.string().optional(), card_class: z.string().optional(), country: z.string().optional(), issuer: z.string().optional(), funding_source: z.string().optional()}).nullable();

export const cardResponse = z.object({id: z.number().optional(), type: z.string().optional(), data: z.object({id: z.string().optional(), signature: z.string().nullable().optional(), customer_id: z.string().nullable().optional(), account_id: z.string().nullable().optional(), status: z.string().optional(), invalid_reason: z.string().nullable().optional(), payment_method_import_id: z.string().nullable().optional(), created_at: z.string().optional(), updated_at: z.string().optional(), card: z.object({id: z.string().optional(), name: z.string().nullable().optional(), acct_last_four: z.string().optional(), brand: z.string().optional(), digital_wallet: z.enum(["apple_pay", "google_pay", "null"]).nullable().optional(), token: z.string().optional(), month: z.string().optional(), year: z.string().optional(), metadata: z.object({}).nullable().optional(), address_line1_check: z.enum(["fail", "pass", "unavailable", "unchecked"]).optional(), address_postal_code_check: z.enum(["fail", "pass", "unavailable", "unchecked"]).optional(), bin_details: binDetails.nullable().optional()}).optional()}).optional(), page_info: z.string().nullable().optional()});

export const bankAccountResponse = z.object({id: z.number().optional(), type: z.string().optional(), data: z.object({id: z.string().optional(), signature: z.string().nullable().optional(), customer_id: z.string().nullable().optional(), account_id: z.string().optional(), status: z.string().optional(), invalid_reason: z.string().nullable().optional(), payment_method_import_id: z.string().nullable().optional(), created_at: z.string().optional(), updated_at: z.string().optional(), bank_account: z.object({id: z.string().optional(), account_owner_name: z.string().optional(), account_type: z.string().optional(), bank_name: z.string().nullable().optional(), acct_last_four: z.string().optional(), token: z.string().optional(), metadata: z.object({}).nullable().optional()}).optional()}).optional(), page_info: z.string().nullable().optional()});

export const cardPresentResponse = z.object({id: z.number().optional(), type: z.string().optional(), data: z.object({id: z.string().optional(), signature: z.string().nullable().optional(), customer_id: z.string().nullable().optional(), account_id: z.string().nullable().optional(), status: z.string().optional(), invalid_reason: z.string().nullable().optional(), payment_method_import_id: z.string().nullable().optional(), created_at: z.string().optional(), updated_at: z.string().optional(), card_present: z.object({id: z.string().optional(), brand: z.string().optional(), cardholder_name: z.string().optional(), last4: z.string().optional(), expiry: z.string().optional(), type: z.string().optional()}).optional()}).optional(), page_info: z.string().nullable().optional()});

export const createApiPaymentMethodsResponse = z.union([cardResponse, bankAccountResponse, cardPresentResponse]);

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 Payment Method
 * 
 * POST /payment_methods
 */
export const createApiPaymentMethods = async (args: CreateApiPaymentMethodsArgs, options?: CreateApiPaymentMethodsOptions) => {
const {baseUrl = "https://api.justifi.ai/v1", fetch: fetchFn = fetch} = 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 (args.Authorization != null) headers.set("Authorization", String(args.Authorization))
if (args['Sub-Account'] != null) headers.set("Sub-Account", String(args['Sub-Account']))

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