import { deny } from "@/lib/decision"
import type { ApiDecision } from "@/lib/errors"
import type { ChatMessage, ChatSession } from "@/lib/types"

export type ListChatSessionsOptions = {
  offset?: number
  limit?: number
}

export type ListChatMessagesOptions = {
  offset?: number
  limit?: number
}

const unavailable = "聊天接口暂未开放"

export async function listChatSessions(_options?: ListChatSessionsOptions): Promise<ChatSession[]> {
  return []
}

export async function getChatSessionById(_sessionId: string): Promise<ChatSession | undefined> {
  return undefined
}

export async function listChatMessages(
  _sessionId: string,
  _options?: ListChatMessagesOptions,
): Promise<ChatMessage[]> {
  return []
}

export async function sendTextMessage(_sessionId: string, _content: string): Promise<ApiDecision> {
  return deny(404, unavailable)
}

export async function sendImageMessage(
  _sessionId: string,
  _imageUrl: string,
): Promise<ApiDecision> {
  return deny(404, unavailable)
}