import {z} from 'zod'

export type MetricItemV3CreateSchema = {projectId?: string | undefined, primaryEntityId: string, primaryEntityType?: string | undefined, name: string, aggregationTemporality?: string | undefined, metricPointType?: string | undefined, time: string, startTime?: string | undefined, timeUnixNano: number | string, startTimeUnixNano?: (number | string) | undefined, attributes?: {[key: string]: string} | undefined, attributeKeys?: Array<string> | undefined, entityKeys?: Array<string> | undefined, serviceEntityKey?: string | undefined, hostEntityKey?: string | undefined, k8sPodEntityKey?: string | undefined, k8sNodeEntityKey?: string | undefined, k8sClusterEntityKey?: string | undefined, containerEntityKey?: string | undefined, isMonotonic?: boolean | undefined, count?: number | undefined, sum?: number | undefined, value?: number | undefined, min?: number | undefined, max?: number | undefined, bucketCounts?: Array<number> | undefined, explicitBounds?: Array<number> | undefined, scale?: number | undefined, zeroCount?: number | undefined, positiveOffset?: number | undefined, positiveBucketCounts?: Array<number> | undefined, negativeOffset?: number | undefined, negativeBucketCounts?: Array<number> | undefined, summaryQuantiles?: Array<number> | undefined, summaryValues?: Array<number> | undefined, traceId?: string | undefined, spanId?: string | undefined};

export type CreateApiMetricsArgs = {body: {data: MetricItemV3CreateSchema}};

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

export const metricItemV3ReadSchema = z.object({projectId: z.string(), primaryEntityId: z.string(), primaryEntityType: z.string().optional(), name: z.string(), aggregationTemporality: z.string().optional(), metricPointType: z.string().optional(), time: z.string().optional(), startTime: z.string().optional(), timeUnixNano: z.string().optional(), startTimeUnixNano: z.string().optional(), attributes: z.string().optional(), attributeKeys: z.array(z.string()).optional(), entityKeys: z.array(z.string()).optional(), serviceEntityKey: z.string().optional(), hostEntityKey: z.string().optional(), k8sPodEntityKey: z.string().optional(), k8sNodeEntityKey: z.string().optional(), k8sClusterEntityKey: z.string().optional(), containerEntityKey: z.string().optional(), isMonotonic: z.boolean().optional(), count: z.string().optional(), sum: z.number().optional(), value: z.number().optional(), min: z.number().optional(), max: z.number().optional(), bucketCounts: z.string().optional(), explicitBounds: z.string().optional(), scale: z.number().optional(), zeroCount: z.string().optional(), positiveOffset: z.number().optional(), positiveBucketCounts: z.string().optional(), negativeOffset: z.number().optional(), negativeBucketCounts: z.string().optional(), summaryQuantiles: z.string().optional(), summaryValues: z.string().optional(), traceId: z.string().optional(), spanId: z.string().optional()});

export const createApiMetricsResponse = z.object({data: metricItemV3ReadSchema.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
};

/**
 * Create Metric
 * 
 * POST /metrics
 */
export const createApiMetrics = async (args: CreateApiMetricsArgs, options?: CreateApiMetricsOptions) => {
const {baseUrl = "https://oneuptime.com/api", 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("APIKey", ApiKey)

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