import {z} from 'zod'

export type GetApiV1CustomersVirtualAccountArgs = {customer_id: string};

export type GetApiV1CustomersVirtualAccountOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const virtualAccount = z.object({id: z.string(), status: z.string(), developer_fee_percent: z.number(), customer_id: z.string(), created_at: z.string(), updated_at: z.string(), deposit_instructions: z.object({currency: z.string().optional(), bank_name: z.string().optional(), bank_address: z.string().optional(), bank_routing_number: z.string().optional(), bank_account_number: z.string().optional(), bank_beneficiary_name: z.string().optional(), bank_beneficiary_address: z.string().optional(), payment_rails: z.array(z.string()).optional()}), destination: z.object({currency: z.literal("USDC").optional(), destination_chain: z.enum(["POLYGON", "ETHEREUM"]).optional(), address: z.string().optional()})});

export const getApiV1CustomersVirtualAccountResponse = z.object({data: z.object({virtual_accounts: z.array(virtualAccount), pagination: z.object({current_page: z.number().int().optional(), per_page: z.number().int().optional(), total_page: z.number().int().optional(), total: z.number().int().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
};

/**
 * List Virtual Accounts V1
 * 
 * GET /v1/customers/virtual-account
 */
export const getApiV1CustomersVirtualAccount = async (args: GetApiV1CustomersVirtualAccountArgs, options?: GetApiV1CustomersVirtualAccountOptions) => {
const {baseUrl = "https://sandbox.api.fin.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.customer_id != null) query.append("customer_id", String(args.customer_id))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/customers/virtual-account${query.size > 0 ? `?${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(getApiV1CustomersVirtualAccountResponse, await res.json())
};