import {z} from 'zod'

export type GetApiApiResourceLwm2mArgs = {sortOrder: 'ASC' | 'DESC', sortProperty: 'id' | 'name', objectIds: Array<string>};

export type GetApiApiResourceLwm2mOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const lwM2mResourceObserve = z.object({id: z.number().int().optional(), name: z.string().optional(), observe: z.boolean().optional(), attribute: z.boolean().optional(), telemetry: z.boolean().optional(), keyName: z.string().optional()});

export const lwM2mInstance = z.object({id: z.number().int().optional(), resources: z.array(lwM2mResourceObserve).optional()});

export const lwM2mObject = z.object({id: z.number().int().optional(), keyId: z.string().optional(), name: z.string().optional(), multiple: z.boolean().optional(), mandatory: z.boolean().optional(), instances: z.array(lwM2mInstance).optional()});

export const getApiApiResourceLwm2mResponse = z.array(lwM2mObject);

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 LwM2M Objects (getLwm2mListObjects)
 * 
 * GET /api/resource/lwm2m
 */
export const getApiApiResourceLwm2m = async (args: GetApiApiResourceLwm2mArgs, options?: GetApiApiResourceLwm2mOptions) => {
const {baseUrl = "https://demo.thingsboard.io", fetch: fetchFn = fetch} = options ?? {}

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

if (args.sortOrder != null) query.append("sortOrder", String(args.sortOrder))
if (args.sortProperty != null) query.append("sortProperty", String(args.sortProperty))
for (const item of args.objectIds ?? []) query.append("objectIds", String(item))

const url = `${baseUrl.replace(/\/+$/, '')}/api/resource/lwm2m${query.size > 0 ? `?${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(getApiApiResourceLwm2mResponse, await res.json())
};