import {z} from 'zod'

export type GetApiV2RateShoppersRateShopperIdOptions = {baseUrl?: string | undefined, apiKeys?: string | undefined, fetch?: typeof fetch | undefined};

export const rateShopperService = z.object({service_code: z.string(), carrier_id: z.string()});

export const rateShopperTransitTime = z.object({max_days: z.number().int().nullable().optional(), max_days_international: z.number().int().nullable().optional(), use_deliver_by_date: z.boolean().optional()});

export const rateShopperPriceTolerance = z.object({amount: z.number(), percentage: z.number()});

export const rateShopperServicePreference = z.object({service: rateShopperService.optional(), price_tolerance: rateShopperPriceTolerance.optional()});

export const rateShopperResponse = z.object({rate_shopper_id: z.string(), name: z.string(), services: z.array(rateShopperService), transit_time: rateShopperTransitTime.optional(), service_preference: rateShopperServicePreference.optional(), is_active: z.boolean(), created_at: z.string(), updated_at: z.string()});

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 rate shopper by ID
 * 
 * GET /v2/rate_shoppers/{rate_shopper_id}
 */
export const getApiV2RateShoppersRateShopperId = async (options?: GetApiV2RateShoppersRateShopperIdOptions) => {
const {baseUrl = "https://api.shipstation.com", fetch: fetchFn = fetch, apiKeys} = options ?? {}

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

if (apiKeys !== undefined) headers.set("api-key", apiKeys)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/rate_shoppers/${encodeURIComponent(String(args.rate_shopper_id))}${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(rateShopperResponse, await res.json())
};