import {z} from 'zod'

export type GetApiV1CostDeliveryTypeArgs = {deliveryType: 'D_SHIPPING' | 'D_TODAY_D' | 'D_TODAY_P' | 'D_TODAY_PD' | 'D_QUICK', transporter?: ('HANJIN' | 'LOTTE' | 'CJGLS' | 'EPOST') | undefined};

export type GetApiV1CostDeliveryTypeOptions = {baseUrl: string, ApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const boxTypeDTO = z.object({boxType: z.string().optional(), boxTypeName: z.string().optional(), weight: z.number().int().optional(), volume: z.number().int().optional(), cost: z.number().int().optional(), accountGroupCost: z.boolean().optional(), accountGroupName: z.string().optional()});

export const jFSAvailableDeliveryTypeDTOBoxTypeDTOList = z.object({success: z.boolean().optional(), message: z.string().optional(), data: z.array(boxTypeDTO).optional(), responseDateTime: 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
};

/**
 * 요금정보 조회
 * 
 * GET /v1/cost/{deliveryType}
 */
export const getApiV1CostDeliveryType = async (args: GetApiV1CostDeliveryTypeArgs, options: GetApiV1CostDeliveryTypeOptions) => {
const {baseUrl, fetch: fetchFn = fetch, ApiKey} = options ?? {}

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

if (args.transporter != null) query.append("transporter", String(args.transporter))
if (ApiKey !== undefined) headers.set("Authorization", ApiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/cost/${encodeURIComponent(String(args.deliveryType))}${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(jFSAvailableDeliveryTypeDTOBoxTypeDTOList, await res.json())
};