import {z} from 'zod'

export type GetApiV1TelemetryTracesArgs = {time_range?: ('15m' | '30m' | '1h' | '2h' | '6h' | '1d' | '7d' | '30d') | undefined, limit?: number | undefined, service_name?: (string | null) | undefined, agent_configuration_id?: (string | null) | undefined, min_duration_ms?: (number | null) | undefined, max_duration_ms?: (number | null) | undefined, query?: (string | null) | undefined};

export type GetApiV1TelemetryTracesOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const traceSummaryResponse = z.object({trace_id: z.string(), root_service_name: z.string().nullable().optional(), root_trace_name: z.string().nullable().optional(), start_time_unix_nano: z.number().int().nullable().optional(), duration_ms: z.number().nullable().optional()});

export const traceSearchMetricsResponse = z.object({inspectedTraces: z.number().int().nullable().optional(), inspectedBytes: z.string().nullable().optional(), completedJobs: z.number().int().nullable().optional(), totalJobs: z.number().int().nullable().optional()});

export const traceSearchResponse = z.object({traces: z.array(traceSummaryResponse).optional(), metrics: traceSearchMetricsResponse.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
};

/**
 * Search Traces
 * 
 * GET /v1/telemetry/traces
 */
export const getApiV1TelemetryTraces = async (args: GetApiV1TelemetryTracesArgs, options: GetApiV1TelemetryTracesOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.time_range != null) query.append("time_range", String(args.time_range))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.service_name != null) query.append("service_name", String(args.service_name))
if (args.agent_configuration_id != null) query.append("agent_configuration_id", String(args.agent_configuration_id))
if (args.min_duration_ms != null) query.append("min_duration_ms", String(args.min_duration_ms))
if (args.max_duration_ms != null) query.append("max_duration_ms", String(args.max_duration_ms))
if (args.query != null) query.append("query", String(args.query))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/telemetry/traces${query.size > 0 ? `?${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(traceSearchResponse, await res.json())
};