import {z} from 'zod'

export type GetApiApiOrgIdStreamsStreamNameSchemaArgs = {org_id: string, stream_name: string, type?: string | undefined, keyword?: string | undefined, offset?: number | undefined, limit?: number | undefined};

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

export const metricType = z.enum(["Unknown", "Counter", "Gauge", "Histogram", "GaugeHistogram", "ExponentialHistogram", "Summary", "Info", "StateSet", "Empty"]);

export const metadata = z.object({help: z.string(), metric_family_name: z.string(), metric_type: metricType, unit: z.string()});

export const patternAssociation = z.object({apply_at: z.string(), description: z.string(), field: z.string(), pattern: z.string(), pattern_id: z.string(), pattern_name: z.string(), policy: z.string()});

export const streamField = z.object({name: z.string(), type: z.string()});

export const crossLinkField = z.object({alias: z.string().nullable().optional(), name: z.string()});

export const crossLink = z.object({fields: z.array(crossLinkField).optional(), name: z.string(), url: z.string()});

export const distinctField = z.object({added_ts: z.number().int(), name: z.string()});

export const timeRange = z.object({end: z.number().int(), start: z.number().int()});

export const streamPartitionType = z.union([z.literal("value"), z.object({hash: z.number().int().gte(0)}), z.literal("prefix")]);

export const streamPartition = z.object({disabled: z.boolean().optional(), field: z.string(), types: streamPartitionType.optional()});

export const partitionTimeLevel = z.enum(["unset", "hourly", "daily"]);

export const partitionTimeLevelChange = z.object({level: partitionTimeLevel, since: z.number().int()});

export const streamPartitionTimeLevel = z.object({changes: z.array(partitionTimeLevelChange).optional(), dynamic: z.boolean().nullable().optional()});

export const storageType = z.enum(["normal", "compliance"]);

export const streamSettings = z.object({approx_partition: z.boolean().optional(), bloom_filter_fields: z.array(z.string()).optional(), cross_links: z.array(crossLink).optional(), data_retention: z.number().int().optional(), defined_schema_fields: z.array(z.string()).optional(), distinct_value_fields: z.array(distinctField).optional(), enable_distinct_fields: z.boolean().optional(), enable_log_patterns_extraction: z.boolean().optional(), extended_retention_days: z.array(timeRange).optional(), flatten_level: z.number().int().nullable().optional(), full_text_search_keys: z.array(z.string()).optional(), index_all_values: z.boolean().optional(), index_fields: z.array(z.string()).optional(), index_fields_updated_at: z.record(z.string(), z.number().int()).optional(), index_original_data: z.boolean().optional(), index_updated_at: z.number().int().optional(), is_llm_stream: z.boolean().optional(), max_query_range: z.number().int().optional(), partition_keys: z.array(streamPartition).optional(), partition_time_level: streamPartitionTimeLevel.optional(), storage_type: storageType.optional(), store_original_data: z.boolean().optional()});

export const streamStats = z.object({compressed_size: z.number(), created_at: z.number().int(), doc_num: z.number().int(), doc_time_max: z.number().int(), doc_time_min: z.number().int(), file_num: z.number().int(), index_size: z.number(), mindex_size: z.number().optional(), storage_size: z.number()});

export const streamType = z.enum(["logs", "metrics", "traces", "profiles", "service_graph", "enrichment_tables", "file_list", "metadata", "index"]);

export const stream = z.object({inherited_retention_days: z.number().int().nullable().optional(), is_derived: z.boolean().nullable().optional(), is_internal: z.boolean().optional(), metrics_meta: metadata.nullable().optional(), name: z.string(), pattern_associations: z.array(patternAssociation).optional(), schema: z.array(streamField), settings: streamSettings, stats: streamStats, storage_type: z.string(), stream_type: streamType, total_fields: z.number().int().gte(0), uds_schema: z.array(streamField).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 stream schema
 * 
 * GET /api/{org_id}/streams/{stream_name}/schema
 */
export const getApiApiOrgIdStreamsStreamNameSchema = async (args: GetApiApiOrgIdStreamsStreamNameSchemaArgs, options: GetApiApiOrgIdStreamsStreamNameSchemaOptions) => {
const {baseUrl, fetch: fetchFn = fetch, Authorization} = options ?? {}

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

if (args.type != null) query.append("type", String(args.type))
if (args.keyword != null) query.append("keyword", String(args.keyword))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.limit != null) query.append("limit", String(args.limit))
if (Authorization !== undefined) headers.set("Authorization", Authorization)

const url = `${baseUrl.replace(/\/+$/, '')}/api/${encodeURIComponent(String(args.org_id))}/streams/${encodeURIComponent(String(args.stream_name))}/schema${query.size > 0 ? `?${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(stream, await res.json())
};