import {z} from 'zod'

export type TextContentBlock = {type: 'text', text: string};

export type Base64AttachmentSource = {type?: 'base64' | undefined, media_type: string, data: string};

export type ImageContentBlock = {type: 'image', source: Base64AttachmentSource};

export type FileContentBlock = {type: 'file', source: Base64AttachmentSource, filename?: (string | null) | undefined};

export type Content = string | Array<TextContentBlock | ImageContentBlock | FileContentBlock>;

export type EntityInput = {text: string, type?: (string | null) | undefined};

export type MemoryItem = {content: Content, timestamp?: (string | string | null) | undefined, context?: (string | null) | undefined, metadata?: ({[key: string]: string} | null) | undefined, document_id?: (string | null) | undefined, entities?: (Array<EntityInput> | null) | undefined, resolve_entities?: boolean | undefined, tags?: (Array<string> | null) | undefined, observation_scopes?: ('per_tag' | 'combined' | 'all_combinations' | 'shared' | Array<Array<string>> | null) | undefined, strategy?: (string | null) | undefined, update_mode?: ('replace' | 'append' | null) | undefined};

export type RetainRequest = {items: Array<MemoryItem>, async?: boolean | undefined, document_tags?: (Array<string> | null) | undefined, operation_id?: (string | null) | undefined};

export type CreateApiV1DefaultBanksBankIdMemoriesArgs = {bank_id: string, authorization?: (string | null) | undefined, body: RetainRequest};

export type CreateApiV1DefaultBanksBankIdMemoriesOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const tokenUsage = z.object({input_tokens: z.number().int().optional(), output_tokens: z.number().int().optional(), total_tokens: z.number().int().optional(), cached_tokens: z.number().int().optional(), thoughts_tokens: z.number().int().optional()});

export const retainResponse = z.object({success: z.boolean(), bank_id: z.string(), items_count: z.number().int(), async: z.boolean(), operation_id: z.string().nullable().optional(), operation_ids: z.array(z.string()).nullable().optional(), usage: tokenUsage.nullable().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
};

/**
 * Retain memories
 * 
 * POST /v1/default/banks/{bank_id}/memories
 */
export const createApiV1DefaultBanksBankIdMemories = async (args: CreateApiV1DefaultBanksBankIdMemoriesArgs, options: CreateApiV1DefaultBanksBankIdMemoriesOptions) => {
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.authorization != null) headers.set("authorization", String(args.authorization))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/default/banks/${encodeURIComponent(String(args.bank_id))}/memories${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(retainResponse, await res.json())
};