import {z} from 'zod'

export type GetApiV3UsersActivitiesSamplesArgs = {from?: string | undefined, to?: string | undefined};

export type GetApiV3UsersActivitiesSamplesOptions = {baseUrl?: string | undefined, OAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const activityStepSample2 = z.object({steps: z.number().int().optional(), timestamp: z.string().optional()});

export const activitySteps2 = z.object({interval_ms: z.number().int().optional(), total_steps: z.number().int().optional(), samples: z.array(activityStepSample2).optional()});

export const activityZoneSample2 = z.object({zone: z.enum(["SEDENTARY", "LIGHT", "SLEEP", "MODERATE", "VIGOROUS"]).optional(), timestamp: z.string().optional()});

export const activityZoneSamples2 = z.object({samples: z.array(activityZoneSample2).optional()});

export const activityDayWithSamples = z.object({date: z.string().optional(), steps: activitySteps2.optional(), activity_zones: activityZoneSamples2.optional(), inactivity_stamps: z.array(z.object({stamp: z.string().optional()})).optional()});

export const arrayOfActivityDayWithSamples = z.array(activityDayWithSamples);

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 activity samples
 * 
 * GET /v3/users/activities/samples
 */
export const getApiV3UsersActivitiesSamples = async (args: GetApiV3UsersActivitiesSamplesArgs, options?: GetApiV3UsersActivitiesSamplesOptions) => {
const {baseUrl = "https://www.polaraccesslink.com", fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

if (args.from != null) query.append("from", String(args.from))
if (args.to != null) query.append("to", String(args.to))
if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v3/users/activities/samples${query.size > 0 ? `?${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(arrayOfActivityDayWithSamples, await res.json())
};