import {z} from 'zod'

export type GetApiPackageGetByCustomerArgs = {customer_id: number, per_page?: number | undefined};

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

export const nullableDateTime = z.string().nullable();

export const packageOptionValue = z.object({id: z.number().int(), option_id: z.number().int(), display_name: z.string(), cycle_type: z.number().int(), price: z.number(), fee: z.number(), created_at: nullableDateTime.optional(), updated_at: nullableDateTime.optional(), deleted_at: nullableDateTime.optional()}).and(z.record(z.string(), z.unknown()));

export const packageOption = z.object({id: z.number().int(), user_id: z.number().int().optional(), internal_name: z.string().optional(), display_name: z.string(), api_type: z.string().nullable().optional(), required: z.number().int(), type: z.number().int(), values: z.array(packageOptionValue), created_at: nullableDateTime.optional(), updated_at: nullableDateTime.optional(), deleted_at: nullableDateTime.optional()}).and(z.record(z.string(), z.unknown()));

export const packageListResponse = z.object({success: z.literal(true), packages: z.object({data: z.array(z.object({options: z.array(packageOption)}).and(z.record(z.string(), z.unknown())))}).and(z.record(z.string(), z.unknown()))}).and(z.record(z.string(), z.unknown()));

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 packages available to a customer
 * 
 * GET /package/get-by-customer
 */
export const getApiPackageGetByCustomer = async (args: GetApiPackageGetByCustomerArgs, options?: GetApiPackageGetByCustomerOptions) => {
const {baseUrl = "https://demo.onlinebillingform.com/api/v2", 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 (args.per_page != null) query.append("per_page", String(args.per_page))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/package/get-by-customer${query.size > 0 ? `?${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(packageListResponse, await res.json())
};