import {z} from 'zod'

export type GetApiUsersUserIdMetricsArgs = {user_id: number, org_id?: number | undefined, resource_type: 'SOURCE' | 'SINK', from: string, to?: string | undefined, aggregate: number};

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

export const getApiUsersUserIdMetricsResponse = z.object({metrics: z.array(z.object({time: z.string().optional(), records: z.number().int().optional(), size: z.number().int().optional(), errors: z.number().int().optional()})).optional(), status: z.number().int().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 Daily Data Processing Metrics for a User
 * 
 * GET /users/{user_id}/metrics
 */
export const getApiUsersUserIdMetrics = async (args: GetApiUsersUserIdMetricsArgs, options?: GetApiUsersUserIdMetricsOptions) => {
const {baseUrl = "https://dataops.nexla.io/nexla-api", fetch: fetchFn = fetch, NexlaSessionToken} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/users/${encodeURIComponent(String(args.user_id))}/metrics${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(getApiUsersUserIdMetricsResponse, await res.json())
};