import {z} from 'zod'

export type GetApiV1TrackersArgs = {carrier_name?: string | undefined, created_after?: string | undefined, created_before?: string | undefined, status?: string | undefined, tracking_number?: string | undefined};

export type GetApiV1TrackersOptions = {baseUrl: string, TokenBasic?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const trackingInfo = z.object({carrier_tracking_link: z.string().nullable().optional(), customer_name: z.string().nullable().optional(), expected_delivery: z.string().nullable().optional(), note: z.string().nullable().optional(), order_date: z.string().nullable().optional(), order_id: z.string().nullable().optional(), package_weight: z.string().nullable().optional(), package_weight_unit: z.string().nullable().optional(), shipment_package_count: z.string().nullable().optional(), shipment_pickup_date: z.string().nullable().optional(), shipment_delivery_date: z.string().nullable().optional(), shipment_service: z.string().nullable().optional(), shipment_origin_country: z.string().nullable().optional(), shipment_origin_postal_code: z.string().nullable().optional(), shipment_destination_country: z.string().nullable().optional(), shipment_destination_postal_code: z.string().nullable().optional(), shipping_date: z.string().nullable().optional(), signed_by: z.string().nullable().optional(), source: z.string().nullable().optional()});

export const trackingEvent = z.object({date: z.string().optional(), description: z.string().optional(), location: z.string().optional(), code: z.string().nullable().optional(), time: z.string().nullable().optional(), latitude: z.number().nullable().optional(), longitude: z.number().nullable().optional()});

export const message = z.object({message: z.string().optional(), code: z.string().optional(), details: z.record(z.string(), z.unknown()).optional(), carrier_name: z.string().optional(), carrier_id: z.string().optional()});

export const trackingStatus = z.object({id: z.string().optional(), carrier_name: z.string(), carrier_id: z.string(), tracking_number: z.string(), info: trackingInfo.nullable().optional(), events: z.array(trackingEvent).nullable().optional(), delivered: z.boolean().optional(), test_mode: z.boolean(), status: z.enum(["pending", "unknown", "on_hold", "delivered", "in_transit", "delivery_delayed", "out_for_delivery", "ready_for_pickup", "delivery_failed"]).optional(), estimated_delivery: z.string().optional(), meta: z.record(z.string(), z.unknown()).nullable().optional(), object_type: z.string().optional(), metadata: z.record(z.string(), z.unknown()).optional(), messages: z.array(message).optional(), delivery_image_url: z.string().nullable().optional(), signature_image_url: z.string().nullable().optional()});

export const trackerList = z.object({count: z.number().int().nullable().optional(), next: z.string().nullable().optional(), previous: z.string().nullable().optional(), results: z.array(trackingStatus)});

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
};

/**
 * List all package trackers
 * 
 * GET /v1/trackers
 * 
 * Also accepts auth: Token, OAuth2, JWT
 */
export const getApiV1Trackers = async (args: GetApiV1TrackersArgs, options: GetApiV1TrackersOptions) => {
const {baseUrl, fetch: fetchFn = fetch, TokenBasic} = options ?? {}

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

if (args.carrier_name != null) query.append("carrier_name", String(args.carrier_name))
if (args.created_after != null) query.append("created_after", String(args.created_after))
if (args.created_before != null) query.append("created_before", String(args.created_before))
if (args.status != null) query.append("status", String(args.status))
if (args.tracking_number != null) query.append("tracking_number", String(args.tracking_number))
if (TokenBasic !== undefined) headers.set('authorization', `Basic ${btoa(`${TokenBasic.username}:${TokenBasic.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/trackers${query.size > 0 ? `?${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(trackerList, await res.json())
};