import {z} from 'zod'

export type TelemetrySpanReference = {trace_id: string, span_id: string};

export type SpanDatasetSourceNamespace = 'span_attributes' | 'resource_attributes';

export type SpanDatasetSourceReference = {namespace: SpanDatasetSourceNamespace, key: string};

export type SpanDatasetMapping = {target_field: string, source_field: SpanDatasetSourceReference};

export type SpanDatasetMappingContract = {version: 1, mappings: Array<SpanDatasetMapping>};

export type ImportDatasetFromSpansRequest = {span_references: Array<TelemetrySpanReference>, mapping_contract: SpanDatasetMappingContract};

export type CreateApiV1ObservabilityDatasetsDatasetIdImportsFromSpansArgs = {dataset_id: string, body: ImportDatasetFromSpansRequest};

export type CreateApiV1ObservabilityDatasetsDatasetIdImportsFromSpansOptions = {baseUrl?: string | undefined, ApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const baseTaskStatus = z.enum(["RUNNING", "COMPLETED", "FAILED", "CANCELED", "TERMINATED", "CONTINUED_AS_NEW", "TIMED_OUT", "UNKNOWN"]);

export const datasetImportResult = z.object({requested_record_count: z.number().int().gte(0), imported_record_count: z.number().int().gte(0), skipped_record_count: z.number().int().gte(0)});

export const datasetImportTask = z.object({id: z.string(), created_at: z.string(), updated_at: z.string(), deleted_at: z.string().nullable(), creator_id: z.string(), dataset_id: z.string(), workspace_id: z.string(), status: baseTaskStatus, progress: z.number().int().gte(0).lte(100).nullable().optional(), message: z.string().nullable().optional(), result: datasetImportResult.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
};

/**
 * Populate the dataset with records mapped from telemetry spans
 * 
 * POST /v1/observability/datasets/{dataset_id}/imports/from-spans
 */
export const createApiV1ObservabilityDatasetsDatasetIdImportsFromSpans = async (args: CreateApiV1ObservabilityDatasetsDatasetIdImportsFromSpansArgs, options?: CreateApiV1ObservabilityDatasetsDatasetIdImportsFromSpansOptions) => {
const {baseUrl = "https://api.mistral.ai", fetch: fetchFn = fetch, ApiKey} = options ?? {}

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

if (ApiKey !== undefined) headers.set('authorization', `Bearer ${ApiKey}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/observability/datasets/${encodeURIComponent(String(args.dataset_id))}/imports/from-spans${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(datasetImportTask, await res.json())
};