import {z} from 'zod'

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

export const resourceUsageMetric = z.object({max: z.number().int(), average: z.number().int(), median: z.number().int(), p5: z.number().int(), p25: z.number().int(), p75: z.number().int(), p95: z.number().int()});

export const resourceUsageBreakdown = z.object({allProcessesCpu: resourceUsageMetric.optional(), buildProcessCpu: resourceUsageMetric.optional(), buildChildProcessesCpu: resourceUsageMetric.optional(), allProcessesMemory: resourceUsageMetric.optional(), buildProcessMemory: resourceUsageMetric.optional(), buildChildProcessesMemory: resourceUsageMetric.optional(), diskReadThroughput: resourceUsageMetric.optional(), diskWriteThroughput: resourceUsageMetric.optional(), networkUploadThroughput: resourceUsageMetric.optional(), networkDownloadThroughput: resourceUsageMetric.optional()});

export const mavenResourceUsage = z.object({totalMemory: z.number().int().nullable().optional(), total: resourceUsageBreakdown.optional(), nonExecution: resourceUsageBreakdown.optional(), execution: resourceUsageBreakdown.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
};

/**
 * Get the resource usage of a Maven build.
 * 
 * GET /api/builds/{id}/maven-resource-usage
 */
export const getApiApiBuildsIdMavenResourceUsage = async (options?: GetApiApiBuildsIdMavenResourceUsageOptions) => {
const {baseUrl = "https://develocity.example.com", fetch: fetchFn = fetch, DevelocityAccessKeyOrToken} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/builds/${encodeURIComponent(String(args.id))}/maven-resource-usage${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(mavenResourceUsage, await res.json())
};