import {z} from 'zod'

export type MiniAppSubscriptionRenewalOptionsRequest = {initData: string, subscriptionId?: (number | null) | undefined};

export type CreateApiMiniappSubscriptionRenewalOptionsArgs = {body: MiniAppSubscriptionRenewalOptionsRequest};

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

export const miniAppPromoGroup = z.object({id: z.number().int(), name: z.string(), server_discount_percent: z.number().int().optional(), traffic_discount_percent: z.number().int().optional(), device_discount_percent: z.number().int().optional(), period_discounts: z.record(z.string(), z.number().int()).optional(), apply_discounts_to_addons: z.boolean().optional()});

export const miniAppSubscriptionRenewalPeriod = z.object({id: z.string(), days: z.number().int().nullable().optional(), months: z.number().int().nullable().optional(), priceKopeks: z.number().int().nullable().optional(), priceLabel: z.string().nullable().optional(), originalPriceKopeks: z.number().int().nullable().optional(), originalPriceLabel: z.string().nullable().optional(), discountPercent: z.number().int().optional(), pricePerMonthKopeks: z.number().int().nullable().optional(), pricePerMonthLabel: z.string().nullable().optional(), isRecommended: z.boolean().optional(), description: z.string().nullable().optional(), badge: z.string().nullable().optional(), title: z.string().nullable().optional()});

export const miniAppSubscriptionAutopay = z.object({enabled: z.boolean().optional(), autopay_enabled: z.boolean().nullable().optional(), autopay_enabled_at: z.string().nullable().optional(), days_before: z.number().int().nullable().optional(), autopay_days_before: z.number().int().nullable().optional(), default_days_before: z.number().int().nullable().optional(), autopay_days_options: z.array(z.number().int()).optional(), days_options: z.array(z.number().int()).optional(), options: z.array(z.number().int()).optional()}).and(z.record(z.string(), z.unknown()));

export const miniAppSubscriptionRenewalOptionsResponse = z.object({success: z.boolean().optional(), subscriptionId: z.number().int().nullable().optional(), currency: z.string(), balanceKopeks: z.number().int().nullable().optional(), balanceLabel: z.string().nullable().optional(), promoGroup: miniAppPromoGroup.nullable().optional(), promoOffer: z.record(z.string(), z.unknown()).nullable().optional(), periods: z.array(miniAppSubscriptionRenewalPeriod).optional(), defaultPeriodId: z.string().nullable().optional(), missingAmountKopeks: z.number().int().nullable().optional(), statusMessage: z.string().nullable().optional(), autopay_enabled: z.boolean().optional(), autopay_days_before: z.number().int().nullable().optional(), autopay_days_options: z.array(z.number().int()).optional(), autopay: miniAppSubscriptionAutopay.nullable().optional(), autopay_settings: miniAppSubscriptionAutopay.nullable().optional(), isTrial: z.boolean().optional(), salesMode: z.string().optional()}).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 Subscription Renewal Options Endpoint
 * 
 * POST /miniapp/subscription/renewal/options
 */
export const createApiMiniappSubscriptionRenewalOptions = async (args: CreateApiMiniappSubscriptionRenewalOptionsArgs, options: CreateApiMiniappSubscriptionRenewalOptionsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/miniapp/subscription/renewal/options${query.size > 0 ? `?${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(miniAppSubscriptionRenewalOptionsResponse, await res.json())
};