import {z} from 'zod'

export type SleepInclude = 'stages';

export type ProviderName = 'apple' | 'samsung' | 'garmin' | 'health_connect' | 'google_health' | 'polar' | 'suunto' | 'whoop' | 'strava' | 'oura' | 'fitbit' | 'ultrahuman' | 'sensorbio' | 'withings' | 'unknown' | 'internal';

export type GetApiApiV1UsersUserIdEventsSleepArgs = {user_id: string, start_date: string, end_date: string, include?: Array<SleepInclude> | undefined, cursor?: (string | null) | undefined, limit?: number | undefined, provider?: (ProviderName | null) | undefined, source?: (string | null) | undefined, device_model?: (string | null) | undefined, data_source_id?: (string | null) | undefined, is_nap?: (boolean | null) | undefined, source_selection?: ('all' | 'per_session' | null) | undefined, filter_by_priority?: boolean | undefined, 'X-Open-Wearables-API-Key'?: (string | null) | undefined};

export type GetApiApiV1UsersUserIdEventsSleepOptions = {baseUrl: string, OAuth2PasswordBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const deviceType = z.enum(["watch", "band", "phone", "scale", "ring", "tablet", "chest_strap", "hr_sensor", "headphones", "head_mounted", "glasses", "smart_display", "bp_monitor", "glucose_meter", "thermometer", "sleep_monitor", "bike_computer", "fitness_machine", "other", "unknown"]);

export const sourceMetadata = z.object({provider: z.string(), source: z.string().nullable().optional(), device: z.string().nullable().optional(), device_type: deviceType.nullable().optional(), device_id: z.string().nullable().optional(), device_name: z.string().nullable()});

export const sleepStagesSummary = z.object({awake_minutes: z.number().int().nullable().optional(), light_minutes: z.number().int().nullable().optional(), deep_minutes: z.number().int().nullable().optional(), rem_minutes: z.number().int().nullable().optional()});

export const sleepStageType = z.enum(["in_bed", "awake", "sleeping", "light", "deep", "rem", "unknown"]);

export const sleepStage = z.object({stage: sleepStageType, start_time: z.string(), end_time: z.string()});

export const sleepSession = z.object({id: z.string(), start_time: z.string(), end_time: z.string(), zone_offset: z.string().nullable().optional(), source: sourceMetadata, duration_seconds: z.number().int(), sleep_duration_seconds: z.number().int().nullable().optional(), time_in_bed_seconds: z.number().int().nullable().optional(), efficiency_percent: z.number().nullable().optional(), stages: sleepStagesSummary.nullable().optional(), sleep_stage_intervals: z.array(sleepStage).nullable().optional(), is_nap: z.boolean().optional(), is_final: z.boolean()});

export const pagination = z.object({next_cursor: z.string().nullable().optional(), previous_cursor: z.string().nullable().optional(), has_more: z.boolean(), total_count: z.number().int().nullable().optional()});

export const resolution = z.enum(["raw", "1min", "5min", "15min", "1hour", "1day", "1week", "1month"]);

export const timeseriesMetadata = z.object({resolution: resolution.nullable().optional(), sample_count: z.number().int().nullable().optional(), start_time: z.string().nullable().optional(), end_time: z.string().nullable().optional()});

export const paginatedResponseSleepSession = z.object({data: z.array(sleepSession), pagination: pagination, metadata: timeseriesMetadata});

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 Sleep Sessions
 * 
 * GET /api/v1/users/{user_id}/events/sleep
 */
export const getApiApiV1UsersUserIdEventsSleep = async (args: GetApiApiV1UsersUserIdEventsSleepArgs, options: GetApiApiV1UsersUserIdEventsSleepOptions) => {
const {baseUrl, fetch: fetchFn = fetch, OAuth2PasswordBearer} = options ?? {}

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

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))
for (const item of args.include ?? []) query.append("include", String(item))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.provider != null) query.append("provider", String(args.provider))
if (args.source != null) query.append("source", String(args.source))
if (args.device_model != null) query.append("device_model", String(args.device_model))
if (args.data_source_id != null) query.append("data_source_id", String(args.data_source_id))
if (args.is_nap != null) query.append("is_nap", String(args.is_nap))
if (args.source_selection != null) query.append("source_selection", String(args.source_selection))
if (args.filter_by_priority != null) query.append("filter_by_priority", String(args.filter_by_priority))
if (args['X-Open-Wearables-API-Key'] != null) headers.set("X-Open-Wearables-API-Key", String(args['X-Open-Wearables-API-Key']))
if (OAuth2PasswordBearer !== undefined) headers.set('authorization', `Bearer ${OAuth2PasswordBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/users/${encodeURIComponent(String(args.user_id))}/events/sleep${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(paginatedResponseSleepSession, await res.json())
};