import {z} from 'zod'

export type GetApiCustomersMembershipInfoArgs = {page?: number | undefined, per_page?: number | undefined, 'customer_ids[]'?: Array<string> | undefined};

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

export const membershipTierRule = z.object({id: z.string().optional(), effect_type: z.enum(["upgrade", "extend"]).optional(), condition_interval: z.object({type: z.enum(["within_interval", "single_purchase"]).optional(), time_unit: z.literal("month").optional(), time_value: z.number().int().optional()}).optional(), effect_interval: z.object({type: z.enum(["within_interval", "unlimited"]).optional(), time_unit: z.literal("month").optional(), time_value: z.number().int().optional()}).optional(), total_spending: z.object({cents: z.number().int().optional(), currency_symbol: z.string().optional(), currency_iso: z.string().optional(), label: z.string().optional(), dollars: z.number().optional()}).optional(), created_at: z.string().optional(), updated_at: z.string().optional()});

export const membershipInfo = z.object({id: z.string().optional(), membership_tier: z.object({_id: z.string().optional(), level: z.number().int().optional(), name_translations: z.object({en: z.string().optional(), "zh-hant": z.string().optional(), "zh-cn": z.string().optional(), vi: z.string().optional(), ms: z.string().optional(), ja: z.string().optional(), th: z.string().optional(), id: z.string().optional(), de: z.string().optional(), fr: z.string().optional()}).optional(), merchant_id: z.string().optional(), exclusive_product_count: z.number().int().optional(), promotion_count: z.number().int().optional(), valid_period: z.object({type: z.string().optional(), time_unit: z.string().optional(), time_value: z.string().optional()}).optional(), membership_tier_rules: z.array(membershipTierRule).optional(), created_at: z.string().optional(), updated_at: z.string().optional()}).optional(), tier_expires_at: z.string().optional(), membership_tier_gap: z.object({next_tier: z.object({id: z.string().optional(), level: z.number().int().optional(), name_translations: z.object({en: z.string().optional(), "zh-hant": z.string().optional(), "zh-cn": z.string().optional(), vi: z.string().optional(), ms: z.string().optional(), ja: z.string().optional(), th: z.string().optional(), id: z.string().optional(), de: z.string().optional(), fr: z.string().optional()}).optional(), membership_tier_rules: z.array(membershipTierRule).optional()}).optional(), next_discount: z.number().optional(), user_spending: z.number().optional(), user_spendings_for_extend: z.number().optional(), next_total_spending: z.number().optional(), extend_total_spending: z.number().optional()}).optional()});

export const paginatable = z.object({current_page: z.number().int().optional(), per_page: z.number().int().optional(), total_count: z.number().int().optional(), total_pages: z.number().int().optional()});

export const getApiCustomersMembershipInfoResponse = z.object({items: z.array(membershipInfo).optional(), pagination: paginatable.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
};

/**
 * Get Customers's Membership Info
 * 
 * GET /customers/membership_info
 */
export const getApiCustomersMembershipInfo = async (args: GetApiCustomersMembershipInfoArgs, options?: GetApiCustomersMembershipInfoOptions) => {
const {baseUrl = "https://open.shopline.io/v1", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.page != null) query.append("page", String(args.page))
if (args.per_page != null) query.append("per_page", String(args.per_page))
for (const item of args['customer_ids[]'] ?? []) query.append("customer_ids[]", String(item))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

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