import {z} from 'zod'

export type GetApiSpacesSpaceIdMemoryMapSummaryArgs = {space_id: string, exclude_chunks?: boolean | undefined, tags?: (Array<string> | null) | undefined, source?: (string | null) | undefined, min_importance?: (number | null) | undefined, tag_sample_limit?: number | undefined};

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

export const memoryMapTagCount = z.object({tag: z.string(), count: z.number().int().gte(0)});

export const memoryMapSummaryMeta = z.object({computed_at: z.string(), sort_basis: z.string().optional(), tag_sample_limit: z.number().int().gte(1), approximate_counts: z.boolean().optional()});

export const memoryMapSummary = z.object({space_id: z.string(), total_nodes: z.number().int().gte(0), total_raw_objects: z.number().int().nullable().optional(), top_tags: z.array(memoryMapTagCount).optional(), chunks_excluded_count: z.number().int().nullable().optional(), meta: memoryMapSummaryMeta});

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
};

/**
 * Memory map summary
 * 
 * GET /spaces/{space_id}/memory-map/summary
 */
export const getApiSpacesSpaceIdMemoryMapSummary = async (args: GetApiSpacesSpaceIdMemoryMapSummaryArgs, options: GetApiSpacesSpaceIdMemoryMapSummaryOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

if (args.exclude_chunks != null) query.append("exclude_chunks", String(args.exclude_chunks))
for (const item of args.tags ?? []) query.append("tags", String(item))
if (args.source != null) query.append("source", String(args.source))
if (args.min_importance != null) query.append("min_importance", String(args.min_importance))
if (args.tag_sample_limit != null) query.append("tag_sample_limit", String(args.tag_sample_limit))
if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/spaces/${encodeURIComponent(String(args.space_id))}/memory-map/summary${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(memoryMapSummary, await res.json())
};