import {z} from 'zod'

export type NumericBucketizerDef = {bucketWidth?: number | undefined, logBase?: number | undefined, manualPartitions?: Array<number> | undefined};

export type Dimension = {numericBucketizer?: NumericBucketizerDef | undefined, sqlExpression?: string | undefined, timeBucketizer?: string | undefined, timeUnit?: string | undefined};

export type Join = {alias?: string | undefined, conditions?: Array<string> | undefined, table?: string | undefined};

export type Measure = {rowFilters?: Array<string> | undefined, sqlExpression?: string | undefined};

export type TimeFilter = {column?: string | undefined, from?: string | undefined, to?: string | undefined};

export type AQLQuery = {dimensions?: Array<Dimension> | undefined, joins?: Array<Join> | undefined, measures?: Array<Measure> | undefined, now?: number | undefined, rowFilters?: Array<string> | undefined, table?: string | undefined, timeFilter?: TimeFilter | undefined, timezone?: string | undefined};

export type AQLRequest = {queries?: Array<AQLQuery> | undefined};

export type CreateApiQueryAqlArgs = {device?: number | undefined, verbose?: number | undefined, debug?: number | undefined, profiling?: string | undefined, q?: string | undefined, timeout?: number | undefined, accept?: string | undefined, origin?: string | undefined, body: AQLRequest};

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

export const oopkQueryStats = z.object({batches: z.number().int().optional(), latency: z.number().optional(), numBatchSkipped: z.number().int().optional(), records: z.number().int().optional(), stages: z.unknown(), tranBytes: z.number().int().optional(), tranCalls: z.number().int().optional()});

export const type = z.number().int();

export const expr = z.object({String: z.string().optional(), Type: type.optional()});

export const duration = z.number().int();

export const dimCountsPerDimWidth = z.array(z.number().int());

export const oOPKContext = z.object({aggregate: z.number().int().optional(), archiveStats: oopkQueryStats.optional(), deviceMem: z.number().int().optional(), dimRowBytes: z.number().int().optional(), dimensionVectorIndex: z.array(z.number().int()).optional(), dimensions: z.array(expr).optional(), durationWaitedForDevice: duration.optional(), foreignTableCommonFilters: z.array(expr).optional(), liveStats: oopkQueryStats.optional(), mainTableCommonFilters: z.array(expr).optional(), measure: expr.optional(), measureBytes: z.number().int().optional(), numDims: dimCountsPerDimWidth.optional(), prefilters: z.array(expr).optional(), resultSize: z.number().int().optional(), timeFilters: z.array(expr).optional()});

export const numericBucketizerDef = z.object({bucketWidth: z.number().optional(), logBase: z.number().optional(), manualPartitions: z.array(z.number()).optional()});

export const dimension = z.object({numericBucketizer: numericBucketizerDef.optional(), sqlExpression: z.string().optional(), timeBucketizer: z.string().optional(), timeUnit: z.string().optional()});

export const join = z.object({alias: z.string().optional(), conditions: z.array(z.string()).optional(), table: z.string().optional()});

export const measure = z.object({rowFilters: z.array(z.string()).optional(), sqlExpression: z.string().optional()});

export const timeFilter = z.object({column: z.string().optional(), from: z.string().optional(), to: z.string().optional()});

export const aQLQuery = z.object({dimensions: z.array(dimension).optional(), joins: z.array(join).optional(), measures: z.array(measure).optional(), now: z.number().int().optional(), rowFilters: z.array(z.string()).optional(), table: z.string().optional(), timeFilter: timeFilter.optional(), timezone: z.string().optional()});

export const boundaryType = z.number().int();

export const tableScanner = z.object({archiveBatchIDEnd: z.number().int().optional(), archiveBatchIDStart: z.number().int().optional(), columnUsage: z.unknown(), columns: z.array(z.number().int()).optional(), equalityPrefilterValues: z.array(z.number().int()).optional(), rangePrefilterBoundaries: z.array(boundaryType).optional(), rangePrefilterValues: z.array(z.number().int()).optional(), shards: z.array(z.number().int()).optional()});

export const aQLQueryContext = z.object({ReturnHLLData: z.boolean().optional(), debug: z.boolean().optional(), device: z.number().int().optional(), error: z.string().optional(), oopk: oOPKContext.optional(), prefilters: z.array(z.number().int()).optional(), profiling: z.string().optional(), query: aQLQuery.optional(), scanners: z.array(tableScanner).optional(), tableIDs: z.record(z.string(), z.number().int()).optional()});

export const aQLTimeSeriesResult = z.record(z.string(), z.object({}));

export const aQLResponse = z.object({context: z.array(aQLQueryContext).optional(), errors: z.array(z.string()).optional(), results: z.array(aQLTimeSeriesResult).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
};

/**
 * query in AQL
 * 
 * POST /query/aql
 */
export const createApiQueryAql = async (args: CreateApiQueryAqlArgs, options: CreateApiQueryAqlOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.device != null) query.append("device", String(args.device))
if (args.verbose != null) query.append("verbose", String(args.verbose))
if (args.debug != null) query.append("debug", String(args.debug))
if (args.profiling != null) query.append("profiling", String(args.profiling))
if (args.q != null) query.append("q", String(args.q))
if (args.timeout != null) query.append("timeout", String(args.timeout))
if (args.accept != null) headers.set("accept", String(args.accept))
if (args.origin != null) headers.set("origin", String(args.origin))

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