import {z} from 'zod'

export type GetApiIndexesIndexNameBackupsArgs = {'X-Pinecone-Api-Version': string, index_name: string, limit?: number | undefined, paginationToken?: string | undefined};

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

export const dbControlMetadataSchema = z.object({fields: z.record(z.string(), z.object({filterable: z.boolean().optional()}))});

export const dbControlIndexTags = z.record(z.string(), z.string());

export const dbControlBackupModel = z.object({backup_id: z.string(), source_index_name: z.string(), source_index_id: z.string(), name: z.string().optional(), description: z.string().optional(), status: z.string(), cloud: z.string(), region: z.string(), dimension: z.number().int().gte(1).lte(20000).optional(), metric: z.string().optional(), schema: dbControlMetadataSchema.optional(), record_count: z.number().int().optional(), namespace_count: z.number().int().optional(), size_bytes: z.number().int().optional(), tags: dbControlIndexTags.optional(), created_at: z.string().optional()});

export const dbControlPaginationResponse = z.object({next: z.string()});

export const dbControlBackupList = z.object({data: z.array(dbControlBackupModel).optional(), pagination: dbControlPaginationResponse.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
};

/**
 * List backups for an index
 * 
 * GET /indexes/{index_name}/backups
 */
export const getApiIndexesIndexNameBackups = async (args: GetApiIndexesIndexNameBackupsArgs, options?: GetApiIndexesIndexNameBackupsOptions) => {
const {baseUrl = "https://api.pinecone.io", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args['X-Pinecone-Api-Version'] != null) headers.set("X-Pinecone-Api-Version", String(args['X-Pinecone-Api-Version']))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.paginationToken != null) query.append("paginationToken", String(args.paginationToken))
if (ApiKeyAuth !== undefined) headers.set("Api-Key", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/indexes/${encodeURIComponent(String(args.index_name))}/backups${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(dbControlBackupList, await res.json())
};