import {z} from 'zod'

export type TopicDetailsEntityTypeEnum = 'sources' | 'destinations' | 'transforms' | 'pipelines' | 'manual' | 'agents';

export type SingleTopicTableMetricReq = {id: string, entity_type: TopicDetailsEntityTypeEnum, connector: string, topic_ids: Array<string>, topic_db_ids: Array<string>} | {[key: string]: unknown};

export type TopicTableMetricsReq = {entities: Array<SingleTopicTableMetricReq>} | {[key: string]: unknown};

export type CreateApiTopicsTableMetricsArgs = {body: TopicTableMetricsReq};

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

export const topicListKafkaMetadata = z.object({partition_count: z.number().int().nullable().optional(), replication_factor: z.number().int().nullable().optional(), retention_ms: z.number().int().nullable().optional()}).and(z.record(z.string(), z.unknown()));

export const topicTableMetricsRowRes = z.object({id: z.string(), kafka: topicListKafkaMetadata, lastMessageTimestamp: z.number().int().nullable().optional(), snapshotStatus: z.array(z.record(z.string(), z.unknown())).optional(), recordErrorTotal: z.number().int().nullable().optional()}).and(z.record(z.string(), z.unknown()));

export const createApiTopicsTableMetricsResponse = z.record(z.string(), topicTableMetricsRowRes);

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
};

/**
 * Per-topic Kafka metadata for the topics list
 * 
 * POST /topics/table_metrics
 */
export const createApiTopicsTableMetrics = async (args: CreateApiTopicsTableMetricsArgs, options?: CreateApiTopicsTableMetricsOptions) => {
const {baseUrl = "https://api.streamkap.com", fetch: fetchFn = fetch, FronteggHTTPAuthentication} = options ?? {}

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

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

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