import {z} from 'zod'

export type GetApiMetricsV1NetworksEntityIdentifierMetricsDatasetSlugTimeSeriesGranularityArgs = {entityIdentifier: string, datasetSlug: string, granularity: '1m' | '5m' | '15m' | '30m' | '1h' | '6h' | '1d' | '1w' | '30d' | '1q' | '1y', start?: string | undefined, end?: string | undefined};

export type GetApiMetricsV1NetworksEntityIdentifierMetricsDatasetSlugTimeSeriesGranularityOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const timeseriesData = z.object({points: z.array(z.array(z.unknown()))});

export const metricsPointSchema = z.record(z.string(), z.unknown());

export const metricsTimeseriesMetadata = z.object({granularity: z.enum(["1m", "5m", "15m", "30m", "1h", "6h", "1d", "1w", "30d", "1q", "1y"]), pointSchemas: z.array(metricsPointSchema)});

export const getApiMetricsV1NetworksEntityIdentifierMetricsDatasetSlugTimeSeriesGranularityResponse = z.object({data: timeseriesData, error: z.string().optional(), metadata: metricsTimeseriesMetadata.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
};

/**
 * Get network timeseries data
 * 
 * GET /metrics/v1/networks/{entityIdentifier}/metrics/{datasetSlug}/time-series/{granularity}
 */
export const getApiMetricsV1NetworksEntityIdentifierMetricsDatasetSlugTimeSeriesGranularity = async (args: GetApiMetricsV1NetworksEntityIdentifierMetricsDatasetSlugTimeSeriesGranularityArgs, options?: GetApiMetricsV1NetworksEntityIdentifierMetricsDatasetSlugTimeSeriesGranularityOptions) => {
const {baseUrl = "https://api.messari.io", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.start != null) query.append("start", String(args.start))
if (args.end != null) query.append("end", String(args.end))
if (apiKey !== undefined) headers.set("X-Messari-API-Key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/metrics/v1/networks/${encodeURIComponent(String(args.entityIdentifier))}/metrics/${encodeURIComponent(String(args.datasetSlug))}/time-series/${encodeURIComponent(String(args.granularity))}${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(getApiMetricsV1NetworksEntityIdentifierMetricsDatasetSlugTimeSeriesGranularityResponse, await res.json())
};