import {z} from 'zod'

export type GetApiV2OrdersReturnsArgs = {order_ids?: Array<string> | undefined, statuses?: (Array<'REQUEST_INITIATED' | 'REQUEST_DECLINED' | 'OPENED' | 'RECEIVED' | 'CLOSED'>) | undefined, updated_from: string, page_token?: string | undefined, limit?: number | undefined};

export type GetApiV2OrdersReturnsOptions = {baseUrl?: string | undefined, Bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const origin = z.object({channel_id: z.string(), channel_name: z.string().optional(), channel_store_id: z.string().optional(), channel_store_name: z.string().optional(), sub_channel_code: z.string().optional(), sub_channel_name: z.string().optional()});

export const returnLineResponse = z.object({order_line_id: z.string(), product_id: z.string().optional(), quantity: z.number().int(), reason: z.enum(["WRONG_ITEM", "MISSING_ITEM", "DEFECTIVE_ITEM", "DAMAGED_ITEM", "UNWANTED_ITEM", "OTHER"])});

export const returnResponse = z.object({address: z.object({city: z.string(), country: z.string().optional(), country_iso_code: z.string(), state: z.string().optional(), street: z.string().optional(), street_additional_info: z.string().optional(), zip_code: z.string().optional()}).optional(), channel_return_id: z.string(), channel_updated_at: z.string(), created_at: z.string(), id: z.string(), label_url: z.string().optional(), method: z.string().optional(), order_id: z.string(), origin: origin, rejection_reason: z.enum(["RETURN_WINDOW_CLOSED", "NOT_ELIGIBLE_FOR_RETURN", "FINAL_SALES", "OTHER"]).optional(), return_lines: z.array(returnLineResponse), rma_id: z.string().optional(), status: z.enum(["REQUEST_INITIATED", "REQUEST_DECLINED", "OPENED", "RECEIVED", "CLOSED", "CHANNEL_SPECIFIC"]), tracking: z.object({carrier_name: z.string().optional(), tracking_number: z.string().optional(), tracking_url: z.string().optional()}).optional(), updated_at: z.string().optional()});

export const returnsPageResponse = z.object({next_page_token: z.string().min(1).optional(), previous_page_token: z.string().min(1).optional(), data: z.array(returnResponse)});

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
};

/**
 * v2-listReturns - List Mirakl Connect returns
 * 
 * GET /v2/orders/returns
 */
export const getApiV2OrdersReturns = async (args: GetApiV2OrdersReturnsArgs, options?: GetApiV2OrdersReturnsOptions) => {
const {baseUrl = "https://miraklconnect.com/api", fetch: fetchFn = fetch, Bearer} = options ?? {}

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

for (const item of args.order_ids ?? []) query.append("order_ids", String(item))
for (const item of args.statuses ?? []) query.append("statuses", String(item))
if (args.updated_from != null) query.append("updated_from", String(args.updated_from))
if (args.page_token != null) query.append("page_token", String(args.page_token))
if (args.limit != null) query.append("limit", String(args.limit))
if (Bearer !== undefined) headers.set('authorization', `Bearer ${Bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/orders/returns${query.size > 0 ? `?${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(returnsPageResponse, await res.json())
};