import {z} from 'zod'

export type TimeseriesAnomalyInvestigationFormulaLimitOrder = 'asc' | 'desc';

export type TimeseriesAnomalyInvestigationFormulaLimit = {count?: number | undefined, order?: TimeseriesAnomalyInvestigationFormulaLimitOrder | undefined};

export type TimeseriesAnomalyInvestigationFormula = {formula: string, limit?: TimeseriesAnomalyInvestigationFormulaLimit | undefined};

export type TimeseriesAnomalyInvestigationDataSource = 'metrics';

export type TimeseriesAnomalyInvestigationMetricQuery = {aggregator?: string | undefined, cross_org_uuids?: Array<string> | undefined, data_source: TimeseriesAnomalyInvestigationDataSource, name: string, query: string};

export type TimeseriesAnomalyInvestigationTimeseriesRequest = {formulas: Array<TimeseriesAnomalyInvestigationFormula>, from: number, interval?: number | undefined, queries: Array<TimeseriesAnomalyInvestigationMetricQuery>, to: number};

export type TimeseriesAnomalyInvestigationRequestAttributes = {requests: Array<TimeseriesAnomalyInvestigationTimeseriesRequest>};

export type TimeseriesAnomalyInvestigationType = 'timeseries_anomaly_investigation';

export type TimeseriesAnomalyInvestigationRequestData = {attributes: TimeseriesAnomalyInvestigationRequestAttributes, type: TimeseriesAnomalyInvestigationType};

export type TimeseriesAnomalyInvestigationRequest = {data: TimeseriesAnomalyInvestigationRequestData};

export type CreateApiApiV2TimeseriesAnomalyInvestigationsArgs = {body: TimeseriesAnomalyInvestigationRequest};

export type CreateApiApiV2TimeseriesAnomalyInvestigationsOptions = {baseUrl?: string | undefined, apiKeyAuth?: string | undefined, appKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const timeseriesAnomalyInvestigationConfigurationSource = z.enum(["request_formula", "watchdog_explains_default"]);

export const timeseriesAnomalyInvestigationDetection = z.object({configuration_source: timeseriesAnomalyInvestigationConfigurationSource, profile: z.string().nullable()});

export const timeseriesAnomalyInvestigationInterval = z.object({end: z.number().int(), start: z.number().int()});

export const timeseriesAnomalyInvestigationInfluenceType = z.enum(["shape", "value"]);

export const timeseriesAnomalyInvestigationFindingSynonym = z.object({key: z.string(), values: z.array(z.string())});

export const timeseriesAnomalyInvestigationFindingTag = z.object({influence_type: timeseriesAnomalyInvestigationInfluenceType, key: z.string(), rating: z.number().gte(1).lte(5), synonyms: z.array(timeseriesAnomalyInvestigationFindingSynonym), values: z.array(z.string())});

export const timeseriesAnomalyInvestigationInfluentialTagFindingType = z.literal("influential_tag");

export const timeseriesAnomalyInvestigationInfluentialTagFinding = z.object({description: z.string(), headline: z.string(), tag: timeseriesAnomalyInvestigationFindingTag, type: timeseriesAnomalyInvestigationInfluentialTagFindingType});

export const timeseriesAnomalyInvestigationAnomalyFindingType = z.literal("anomaly");

export const timeseriesAnomalyInvestigationAnomalyFinding = z.object({description: z.string(), headline: z.string(), type: timeseriesAnomalyInvestigationAnomalyFindingType});

export const timeseriesAnomalyInvestigationFinding = z.union([timeseriesAnomalyInvestigationInfluentialTagFinding, timeseriesAnomalyInvestigationAnomalyFinding]);

export const timeseriesAnomalyInvestigationMaximumDeviation = z.object({delta_from_boundary: z.number().gte(0), timestamp: z.number().int(), value: z.number()});

export const timeseriesAnomalyInvestigationSeries = z.object({group_tags: z.array(z.string()), label: z.string(), query_index: z.number().int().gte(0)});

export const timeseriesAnomalyInvestigationTagAnalysisStatus = z.enum(["complete", "unsupported", "failed"]);

export const timeseriesAnomalyInvestigationTagAnalysis = z.object({analyzed_tag_keys: z.array(z.string()).optional(), status: timeseriesAnomalyInvestigationTagAnalysisStatus, tag_keys_analyzed: z.number().int().gte(0).optional(), tag_values_analyzed: z.number().int().gte(0).optional()});

export const timeseriesAnomalyInvestigationAnomalyType = z.enum(["spike", "dip"]);

export const timeseriesAnomalyInvestigationAnomaly = z.object({anomaly_detection: timeseriesAnomalyInvestigationDetection, detected_interval: timeseriesAnomalyInvestigationInterval, display_interval: timeseriesAnomalyInvestigationInterval, findings: z.array(timeseriesAnomalyInvestigationFinding), maximum_deviation: timeseriesAnomalyInvestigationMaximumDeviation, series: timeseriesAnomalyInvestigationSeries, tag_analysis: timeseriesAnomalyInvestigationTagAnalysis, type: timeseriesAnomalyInvestigationAnomalyType});

export const timeseriesAnomalyInvestigationCompleteStatus = z.literal("complete");

export const timeseriesAnomalyInvestigationResult = z.object({anomalies: z.array(timeseriesAnomalyInvestigationAnomaly), status: timeseriesAnomalyInvestigationCompleteStatus});

export const timeseriesAnomalyInvestigationResponseAttributes = z.object({results: z.array(timeseriesAnomalyInvestigationResult)});

export const timeseriesAnomalyInvestigationResponseID = z.literal("0");

export const timeseriesAnomalyInvestigationType = z.literal("timeseries_anomaly_investigation");

export const timeseriesAnomalyInvestigationResponseData = z.object({attributes: timeseriesAnomalyInvestigationResponseAttributes, id: timeseriesAnomalyInvestigationResponseID, type: timeseriesAnomalyInvestigationType});

export const timeseriesAnomalyInvestigationQueryExecutionStatus = z.enum(["running", "done"]);

export const timeseriesAnomalyInvestigationQueryStatus = z.object({name: z.string(), status: timeseriesAnomalyInvestigationQueryExecutionStatus});

export const timeseriesAnomalyInvestigationMetaType = z.literal("timeseries_anomaly_investigation");

export const timeseriesAnomalyInvestigationResultsWarning = z.object({message: z.string(), name: z.string()});

export const timeseriesAnomalyInvestigationResponseMeta = z.object({from_date: z.number().int(), interval: z.number().int().gte(1), queries: z.array(timeseriesAnomalyInvestigationQueryStatus), res_type: timeseriesAnomalyInvestigationMetaType, results_warnings: z.array(timeseriesAnomalyInvestigationResultsWarning), to_date: z.number().int()});

export const timeseriesAnomalyInvestigationResponse = z.object({data: timeseriesAnomalyInvestigationResponseData, meta: timeseriesAnomalyInvestigationResponseMeta});

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
};

/**
 * Investigate a timeseries anomaly
 * 
 * POST /api/v2/timeseries-anomaly-investigations
 * 
 * Also accepts auth: AuthZ
 */
export const createApiApiV2TimeseriesAnomalyInvestigations = async (args: CreateApiApiV2TimeseriesAnomalyInvestigationsArgs, options?: CreateApiApiV2TimeseriesAnomalyInvestigationsOptions) => {
const {baseUrl = "https://api.datadoghq.com", fetch: fetchFn = fetch, apiKeyAuth, appKeyAuth} = options ?? {}

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

if (apiKeyAuth !== undefined) headers.set("DD-API-KEY", apiKeyAuth)
if (appKeyAuth !== undefined) headers.set("DD-APPLICATION-KEY", appKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/timeseries-anomaly-investigations${query.size > 0 ? `?${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(timeseriesAnomalyInvestigationResponse, await res.json())
};