import {z} from 'zod'

export type GetApiV1FinetuneAgentSessionsSessionIdArgs = {session_id: string};

export type GetApiV1FinetuneAgentSessionsSessionIdOptions = {baseUrl: string, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

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

export const chatMessageResponse = z.object({id: z.string(), session_id: z.string(), role: z.string(), content: z.string(), tool_call_id: z.string().nullable().optional(), tool_calls: z.array(z.record(z.string(), z.unknown())).nullable().optional(), images: z.array(z.record(z.string(), z.unknown())).nullable().optional(), is_error: z.boolean().nullable().optional(), message_index: z.number().int(), created_at: z.string()});

export const chatSessionWithMessages = z.object({id: z.string(), user_id: z.string(), title: z.string(), created_at: z.string(), updated_at: z.string(), is_archived: z.boolean().optional(), project_id: z.string().nullable().optional(), modal_sandbox_id: z.string().nullable().optional(), raw_message_tree_present: z.boolean().optional(), first_user_attached_resources: z.array(attachedResourceRef).optional(), is_turn_active: z.boolean().optional(), is_turn_attachable: z.boolean().optional(), active_turn_started_at: z.string().nullable().optional(), messages: z.array(chatMessageResponse)});

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 Session
 * 
 * GET /v1/finetune-agent/sessions/{session_id}
 * 
 * Also accepts auth: BearerAuth
 */
export const getApiV1FinetuneAgentSessionsSessionId = async (args: GetApiV1FinetuneAgentSessionsSessionIdArgs, options: GetApiV1FinetuneAgentSessionsSessionIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("X-API-Key", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/finetune-agent/sessions/${encodeURIComponent(String(args.session_id))}${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(chatSessionWithMessages, await res.json())
};