import {z} from 'zod'

export type GetApiApiV1McpMemoriesArgs = {page?: number | undefined, size?: number | undefined, sort_by?: string | undefined, sort_order?: string | undefined, tags?: (Array<string> | null) | undefined, source?: (string | null) | undefined, min_importance?: (number | null) | undefined, authorization?: string | undefined};

export type GetApiApiV1McpMemoriesOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const memory = z.object({content: z.string().max(1048576), tags: z.array(z.string()).nullable().optional(), source: z.string().nullable().optional(), importance: z.number().int().gte(1).lte(10).nullable().optional(), category: z.string().nullable().optional(), metadata: z.record(z.string(), z.unknown()).nullable().optional(), id: z.string(), created_at: z.string(), updated_at: z.string().nullable().optional(), created_by_user: z.string(), space_id: z.string().nullable().optional(), space_name: z.string().nullable().optional(), tenant_id: z.string().nullable().optional(), full_content: z.string().nullable().optional(), is_chunk: z.boolean().optional(), parent_memory_id: z.string().nullable().optional(), chunk_index: z.number().int().nullable().optional(), total_chunks: z.number().int().nullable().optional(), chunk_metadata: z.record(z.string(), z.unknown()).nullable().optional()});

export const memoryList = z.object({items: z.array(memory), total: z.number().int(), page: z.number().int(), size: z.number().int(), pages: z.number().int()});

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 memories for MCP integration
 * 
 * GET /api/v1/mcp/memories
 */
export const getApiApiV1McpMemories = async (args: GetApiApiV1McpMemoriesArgs, options: GetApiApiV1McpMemoriesOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.page != null) query.append("page", String(args.page))
if (args.size != null) query.append("size", String(args.size))
if (args.sort_by != null) query.append("sort_by", String(args.sort_by))
if (args.sort_order != null) query.append("sort_order", String(args.sort_order))
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.authorization != null) headers.set("authorization", String(args.authorization))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/mcp/memories${query.size > 0 ? `?${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(memoryList, await res.json())
};