import {z} from 'zod'

export type GetApiV2TimeseriesUserIdCaloriesBasalGroupedArgs = {user_id: string, cursor?: (string | null) | undefined, next_cursor?: (string | null) | undefined, provider?: string | undefined, start_date: string, end_date?: (string | null) | undefined};

export type GetApiV2TimeseriesUserIdCaloriesBasalGroupedOptions = {baseUrl?: string | undefined, apiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const clientFacingSource = z.object({provider: z.string(), type: z.string().optional(), app_id: z.string().nullable().optional(), device_id: z.string().nullable().optional(), sport: z.string().nullable().optional(), workout_id: z.string().nullable().optional()});

export const clientFacingCaloriesBasalTimeseries = z.object({id: z.number().int().nullable().optional(), timezone_offset: z.number().int().nullable().optional(), type: z.string().nullable().optional(), unit: z.literal("kcal"), timestamp: z.string(), value: z.number()});

export const groupedCaloriesBasal = z.object({source: clientFacingSource, data: z.array(clientFacingCaloriesBasalTimeseries)});

export const groupedCaloriesBasalResponse = z.object({groups: z.record(z.string(), z.array(groupedCaloriesBasal)), next: z.string().nullable().optional(), next_cursor: z.string().nullable().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
};

/**
 * Calories Basal
 * 
 * GET /v2/timeseries/{user_id}/calories_basal/grouped
 */
export const getApiV2TimeseriesUserIdCaloriesBasalGrouped = async (args: GetApiV2TimeseriesUserIdCaloriesBasalGroupedArgs, options?: GetApiV2TimeseriesUserIdCaloriesBasalGroupedOptions) => {
const {baseUrl = "https://api.us.junction.com", fetch: fetchFn = fetch, apiKeyAuth} = options ?? {}

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

if (args.cursor != null) query.append("cursor", String(args.cursor))
if (args.next_cursor != null) query.append("next_cursor", String(args.next_cursor))
if (args.provider != null) query.append("provider", String(args.provider))
if (args.start_date != null) query.append("start_date", String(args.start_date))
if (args.end_date != null) query.append("end_date", String(args.end_date))
if (apiKeyAuth !== undefined) headers.set("x-vital-api-key", apiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/timeseries/${encodeURIComponent(String(args.user_id))}/calories_basal/grouped${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(groupedCaloriesBasalResponse, await res.json())
};