import {z} from 'zod'

export type AnalyticsBatchRequest = {checkIds: Array<string>};

export type CreateApiV1AnalyticsChecksArgs = {quickRange?: ('last24Hours' | 'last7Days' | 'thisWeek' | 'lastWeek' | 'lastMonth') | undefined, 'x-checkly-account'?: string | undefined, body: AnalyticsBatchRequest};

export type CreateApiV1AnalyticsChecksOptions = {baseUrl?: string | undefined, Bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const analyticsBatchResponseItem = z.object({checkId: z.string(), checkType: z.enum(["AGENTIC", "API", "BROWSER", "HEARTBEAT", "ICMP", "MULTI_STEP", "TCP", "PLAYWRIGHT", "TRACEROUTE", "URL", "DNS", "SSL", "GRPC"]), availability: z.number().nullable().optional(), responseTime_avg: z.number().nullable().optional(), responseTime_p50: z.number().nullable().optional(), responseTime_p95: z.number().nullable().optional(), responseTime_p99: z.number().nullable().optional(), latency_avg: z.number().nullable().optional(), latency_p50: z.number().nullable().optional(), latency_p95: z.number().nullable().optional(), latency_p99: z.number().nullable().optional(), packetLoss_avg: z.number().nullable().optional(), packetLoss_p95: z.number().nullable().optional(), packetLoss_p99: z.number().nullable().optional(), hopCount_avg: z.number().nullable().optional()});

export const analyticsBatchResponse = z.array(analyticsBatchResponseItem);

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 analytics summary for multiple checks
 * 
 * POST /v1/analytics/checks
 */
export const createApiV1AnalyticsChecks = async (args: CreateApiV1AnalyticsChecksArgs, options?: CreateApiV1AnalyticsChecksOptions) => {
const {baseUrl = "https://api.checklyhq.com", fetch: fetchFn = fetch, Bearer} = options ?? {}

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

if (args.quickRange != null) query.append("quickRange", String(args.quickRange))
if (args['x-checkly-account'] != null) headers.set("x-checkly-account", String(args['x-checkly-account']))
if (Bearer !== undefined) headers.set('authorization', `Bearer ${Bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/analytics/checks${query.size > 0 ? `?${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(analyticsBatchResponse, await res.json())
};