import {z} from 'zod'

export type GetApiStreamlokilogArgs = {start: string, direction: 'forward' | 'backward', limit: string};

export type GetApiStreamlokilogOptions = {baseUrl?: string | undefined, basic?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const getApiStreamlokilogResponse = z.object({status: z.string().optional(), data: z.object({resultType: z.string().optional(), result: z.array(z.object({stream: z.object({app: z.string().optional(), component: z.string().optional(), container: z.string().optional(), filename: z.string().optional(), instance: z.string().optional(), job: z.string().optional(), namespace: z.string().optional(), node_name: z.string().optional(), partition: z.string().optional(), pod: z.string().optional(), stream: z.string().optional()}).optional(), values: z.array(z.string()).optional()})).optional(), stats: z.object({summary: z.object({bytesProcessedPerSecond: z.number().int().optional(), linesProcessedPerSecond: z.number().int().optional(), totalBytesProcessed: z.number().int().optional(), totalLinesProcessed: z.number().int().optional(), execTime: z.number().optional(), queueTime: z.number().optional(), subqueries: z.number().int().optional(), totalEntriesReturned: z.number().int().optional(), splits: z.number().int().optional(), shards: z.number().int().optional(), totalPostFilterLines: z.number().int().optional(), totalStructuredMetadataBytesProcessed: z.number().int().optional()}).optional(), querier: z.object({store: z.object({totalChunksRef: z.number().int().optional(), totalChunksDownloaded: z.number().int().optional(), chunksDownloadTime: z.number().int().optional(), chunk: z.object({headChunkBytes: z.number().int().optional(), headChunkLines: z.number().int().optional(), decompressedBytes: z.number().int().optional(), decompressedLines: z.number().int().optional(), compressedBytes: z.number().int().optional(), totalDuplicates: z.number().int().optional(), postFilterLines: z.number().int().optional(), headChunkStructuredMetadataBytes: z.number().int().optional(), decompressedStructuredMetadataBytes: z.number().int().optional()}).optional(), chunkRefsFetchTime: z.number().int().optional()}).optional()}).optional(), ingester: z.object({totalReached: z.number().int().optional(), totalChunksMatched: z.number().int().optional(), totalBatches: z.number().int().optional(), totalLinesSent: z.number().int().optional(), store: z.object({totalChunksRef: z.number().int().optional(), totalChunksDownloaded: z.number().int().optional(), chunksDownloadTime: z.number().int().optional(), chunk: z.object({headChunkBytes: z.number().int().optional(), headChunkLines: z.number().int().optional(), decompressedBytes: z.number().int().optional(), decompressedLines: z.number().int().optional(), compressedBytes: z.number().int().optional(), totalDuplicates: z.number().int().optional(), postFilterLines: z.number().int().optional(), headChunkStructuredMetadataBytes: z.number().int().optional(), decompressedStructuredMetadataBytes: z.number().int().optional()}).optional(), chunkRefsFetchTime: z.number().int().optional()}).optional()}).optional(), cache: z.object({chunk: z.object({entriesFound: z.number().int().optional(), entriesRequested: z.number().int().optional(), entriesStored: z.number().int().optional(), bytesReceived: z.number().int().optional(), bytesSent: z.number().int().optional(), requests: z.number().int().optional(), downloadTime: z.number().int().optional()}).optional(), index: z.object({entriesFound: z.number().int().optional(), entriesRequested: z.number().int().optional(), entriesStored: z.number().int().optional(), bytesReceived: z.number().int().optional(), bytesSent: z.number().int().optional(), requests: z.number().int().optional(), downloadTime: z.number().int().optional()}).optional(), result: z.object({entriesFound: z.number().int().optional(), entriesRequested: z.number().int().optional(), entriesStored: z.number().int().optional(), bytesReceived: z.number().int().optional(), bytesSent: z.number().int().optional(), requests: z.number().int().optional(), downloadTime: z.number().int().optional()}).optional(), statsResult: z.object({entriesFound: z.number().int().optional(), entriesRequested: z.number().int().optional(), entriesStored: z.number().int().optional(), bytesReceived: z.number().int().optional(), bytesSent: z.number().int().optional(), requests: z.number().int().optional(), downloadTime: z.number().int().optional()}).optional()}).optional()}).optional()}).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 a Loki Log
 * 
 * GET /streamlokilog
 * 
 * Also accepts auth: X-PriceFx-jwt
 */
export const getApiStreamlokilog = async (args: GetApiStreamlokilogArgs, options?: GetApiStreamlokilogOptions) => {
const {baseUrl = "https://companynode.pricefx.com/pricefx/companypartition", fetch: fetchFn = fetch, basic} = options ?? {}

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

if (args.start != null) query.append("start", String(args.start))
if (args.direction != null) query.append("direction", String(args.direction))
if (args.limit != null) query.append("limit", String(args.limit))
if (basic !== undefined) headers.set('authorization', `Basic ${btoa(`${basic.username}:${basic.password}`)}`)

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