import {z} from 'zod'

export type GetApiApiV2ExperimentsMetricsMetricIdArgs = {include?: Array<string> | undefined, metric_id: string};

export type GetApiApiV2ExperimentsMetricsMetricIdOptions = {baseUrl?: string | undefined, apiKeyAuth?: string | undefined, appKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const experimentsMetricV2DTODataAttributesDataSourceType = z.enum(["DATADOG", "DATADOG_REFERENCE_TABLE", "CUSTOMER_WAREHOUSE", "IMPORTED", "UNKNOWN"]);

export const experimentsMetricV2DTODataAttributesPercentileAggregationDatadogMetricMeasure = z.object({column_name: z.string().optional(), column_type: z.string().optional(), filters: z.unknown(), name: z.string().optional(), query: z.string().optional(), source_definition_filter: z.unknown(), source_subtype: z.string().optional(), source_type: z.string().optional()});

export const experimentsMetricPropertyFilter = z.object({measure_id: z.string().optional(), operation: z.string().optional(), property_id: z.string().optional(), values: z.array(z.string()).optional()});

export const experimentsMetricPropertyFilterGroup = z.array(experimentsMetricPropertyFilter);

export const experimentsMetricV2DTODataAttributesPercentileAggregationWarehouseMetricMeasure = z.object({id: z.string().optional(), pipeline_column_suffix: z.string().optional()});

export const experimentsMetricV2DTODataAttributesNumeratorAggregation = z.object({aging_threshold_days: z.number().int().optional(), datadog_metric_measure: experimentsMetricV2DTODataAttributesPercentileAggregationDatadogMetricMeasure.optional(), enable_aging_subject_filter: z.boolean().optional(), operation: z.string().optional(), pipeline_column_suffix: z.string().optional(), property_filters: z.array(experimentsMetricPropertyFilterGroup).optional(), threshold_aggregation_type: z.string().optional(), threshold_breach_value: z.number().optional(), threshold_comparison_operator: z.string().optional(), threshold_timeframe_dimension: z.string().optional(), threshold_timeframe_value: z.number().optional(), timeframe_end_value: z.number().optional(), timeframe_start_value: z.number().optional(), timeframe_unit: z.string().optional(), warehouse_metric_measure: experimentsMetricV2DTODataAttributesPercentileAggregationWarehouseMetricMeasure.optional(), winsor_lower_fixed_value: z.number().optional(), winsor_lower_percentile: z.number().optional(), winsor_upper_fixed_value: z.number().optional(), winsor_upper_percentile: z.number().optional(), winsorization_strategy: z.string().optional()}).nullable();

export const experimentsMetricV2DTODataAttributesDesiredChange = z.enum(["METRIC_INCREASES", "METRIC_DECREASES", "UNKNOWN"]);

export const experimentsMetricV2DTODataAttributesMetricType = z.enum(["SIMPLE", "RATIO", "PERCENTILE", "UNKNOWN"]);

export const experimentsMetricV2DTODataAttributesPercentileAggregation = z.object({datadog_metric_measure: experimentsMetricV2DTODataAttributesPercentileAggregationDatadogMetricMeasure.optional(), percentile: z.number().optional(), pipeline_column_suffix: z.string().optional(), property_filters: z.array(experimentsMetricPropertyFilterGroup).optional(), warehouse_metric_measure: experimentsMetricV2DTODataAttributesPercentileAggregationWarehouseMetricMeasure.optional()}).nullable();

export const experimentsMetricV2DTODataAttributes = z.object({certified_at: z.string().nullable().optional(), created_at: z.string().optional(), data_source_type: experimentsMetricV2DTODataAttributesDataSourceType.optional(), denominator_aggregation: experimentsMetricV2DTODataAttributesNumeratorAggregation.optional(), description: z.string().optional(), desired_change: experimentsMetricV2DTODataAttributesDesiredChange.optional(), experiment_count: z.number().int().nullable().optional(), format_as_percent: z.boolean().optional(), guardrail_cutoff_threshold: z.number().nullable().optional(), metric_type: experimentsMetricV2DTODataAttributesMetricType.optional(), migration_metadata: z.unknown(), name: z.string().optional(), numerator_aggregation: experimentsMetricV2DTODataAttributesNumeratorAggregation.optional(), percentile_aggregation: experimentsMetricV2DTODataAttributesPercentileAggregation.optional(), reference_url: z.string().optional(), updated_at: z.string().optional()});

export const metricType = z.literal("metrics");

export const experimentsMetricV2DTOData = z.object({attributes: experimentsMetricV2DTODataAttributes.optional(), id: z.string(), type: metricType});

export const experimentsMetricV2DTO = z.object({data: experimentsMetricV2DTOData});

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 metric
 * 
 * GET /api/v2/experiments/metrics/{metric_id}
 * 
 * Also accepts auth: AuthZ
 */
export const getApiApiV2ExperimentsMetricsMetricId = async (args: GetApiApiV2ExperimentsMetricsMetricIdArgs, options?: GetApiApiV2ExperimentsMetricsMetricIdOptions) => {
const {baseUrl = "https://api.datadoghq.com", fetch: fetchFn = fetch, apiKeyAuth, appKeyAuth} = options ?? {}

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

for (const item of args.include ?? []) query.append("include", String(item))
if (apiKeyAuth !== undefined) headers.set("DD-API-KEY", apiKeyAuth)
if (appKeyAuth !== undefined) headers.set("DD-APPLICATION-KEY", appKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/experiments/metrics/${encodeURIComponent(String(args.metric_id))}${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(experimentsMetricV2DTO, await res.json())
};