import {z} from 'zod'

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

export const planTier = z.object({amount: z.number(), amount_scheme: z.enum(["flat", "per_unit"]).optional(), quantity_from: z.number().int(), quantity_to: z.number().int().nullable().optional(), unit_scheme: z.enum(["all_units", "tier_units", "overage"]).nullable().optional()});

export const plan = z.object({id: z.string().optional(), product: z.string(), sku: z.string().max(32).nullable().optional(), name: z.string().max(56), description: z.string().max(200), frequency: z.string(), currency: z.string(), amount: z.number(), exempt: z.boolean().optional(), usage_scheme: z.enum(["licensed", "metered"]).optional(), usage_aggregation: z.enum(["last_record", "max", "sum"]).nullable().optional(), tiers_mode: z.enum(["package", "volume", "graduated", "package_overage", "unit", "range"]).nullable().optional(), tiers: z.array(planTier).optional(), unit_label: z.string().max(4).nullable().optional(), status: z.enum(["active", "archived"]).optional(), archived: z.string().nullable().optional(), created: z.string().optional(), updated: z.string().optional()});

export const product = z.object({id: z.string().optional(), name: z.string().max(80), unit_label: z.string().max(12), status: z.enum(["active", "archived"]).optional(), archived: z.string().nullable().optional(), plans: z.array(plan).optional(), test_mode: z.boolean().optional(), created: z.string().optional(), updated: z.string().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
};

/**
 * Retrieve product
 * 
 * GET /products/{id}/
 */
export const getApiProductsId = async (options?: GetApiProductsIdOptions) => {
const {baseUrl = "https://api.piriod.com", fetch: fetchFn = fetch, TokenAuth} = options ?? {}

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

if (TokenAuth !== undefined) headers.set("Authorization", TokenAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/products/${encodeURIComponent(String(args.id))}/${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(product, await res.json())
};