import {z} from 'zod'

export type GetApiAppsAppIdOverviewArgs = {appId: string};

export type GetApiAppsAppIdOverviewOptions = {baseUrl?: string | undefined, AccessKey?: string | undefined, fetch?: typeof fetch | undefined};

export const grade = z.enum(["couldBeBetter", "notBad", "doingGreat"]);

export const doubleStatusIndicator = z.object({indicator: z.number().optional(), statusGrade: grade.optional()});

export const int32StatusIndicator = z.object({indicator: z.number().int().optional(), statusGrade: grade.optional()});

export const applicationStatus = z.enum(["unknown", "active", "progressing", "inactive", "failing", "suspended"]);

export const deploymentStatus = z.enum(["unknown", "active", "progressing", "inactive", "failing"]);

export const podStatus = z.enum(["notScheduled", "scheduled", "ready", "deleting"]);

export const containerStatus = z.enum(["notStarted", "started", "ready"]);

export const overviewContainer = z.object({id: z.string().optional(), name: z.string().optional(), cpuUsage: z.number().optional(), ramUsage: z.number().optional(), reason: z.string().optional(), message: z.string().optional(), status: containerStatus.optional(), image: z.string().nullable().optional(), imageDisplay: z.string().nullable().optional(), numberOfRestarts: z.number().int().nullable().optional(), exitCode: z.number().int().nullable().optional()});

export const overviewPodVolume = z.object({id: z.string().optional(), usageBytes: z.number().optional(), sizeBytes: z.number().optional()});

export const overviewPod = z.object({name: z.string().optional(), status: podStatus.optional(), lastHeartBeat: z.string().nullable().optional(), outboundTrafficChart: z.record(z.string(), z.number().int().nullable()).nullable().optional(), cpuUsage: z.number().optional(), ramUsage: z.number().optional(), containers: z.array(overviewContainer).optional(), message: z.string().nullable().optional(), volumesUtilizationPercentage: z.record(z.string(), z.number()).optional(), ephemeralStorageUsageBytes: z.number().int().nullable().optional(), ephemeralStorageLimitBytes: z.number().int().nullable().optional(), ephemeralStorageUsageRatio: z.number().nullable().optional(), outboundConnectionsLimit: z.number().int().nullable().optional(), outboundConnectionsRejectedDiff: z.number().int().nullable().optional(), cpuUsageCores: z.number().nullable().optional(), ramUsageBytes: z.number().nullable().optional(), outboundBandwidthBytesPerSecond: z.number().nullable().optional(), volumes: z.array(overviewPodVolume).nullable().optional()});

export const overviewRegion = z.object({region: z.string().optional(), isRequired: z.boolean().optional(), instances: z.number().int().optional(), status: deploymentStatus.optional(), averageCPU: z.number().optional(), averageRAM: z.number().optional(), averageVolumesUsagePercentage: z.number().optional(), requests: z.number().optional(), anycastTraffic: z.number().optional(), pods: z.array(overviewPod).optional()});

export const overviewLimits = z.object({cpuCores: z.number().nullable().optional(), ramBytes: z.number().nullable().optional(), outboundBandwidthBytesPerSecond: z.number().nullable().optional()});

export const overview = z.object({targetLatency: doubleStatusIndicator.optional(), currentLatency: doubleStatusIndicator.optional(), activeRegions: int32StatusIndicator.optional(), activeInstances: int32StatusIndicator.optional(), desiredInstances: z.number().int().optional(), status: applicationStatus.optional(), averageCPU: doubleStatusIndicator.optional(), averageRAM: doubleStatusIndicator.optional(), averageVolumesUsage: doubleStatusIndicator.optional(), regions: z.array(overviewRegion).optional(), averageLatency: z.number().optional(), totalVolumeSizeInGb: z.number().optional(), monthlyCost: z.number().optional(), latencyChart: z.record(z.string(), z.number()).optional(), limits: overviewLimits.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 Application Overview
 * 
 * GET /apps/{appId}/overview
 */
export const getApiAppsAppIdOverview = async (args: GetApiAppsAppIdOverviewArgs, options?: GetApiAppsAppIdOverviewOptions) => {
const {baseUrl = "https://api.bunny.net/mc", fetch: fetchFn = fetch, AccessKey} = options ?? {}

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

if (AccessKey !== undefined) headers.set("AccessKey", AccessKey)

const url = `${baseUrl.replace(/\/+$/, '')}/apps/${encodeURIComponent(String(args.appId))}/overview${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(overview, await res.json())
};