import { apiRequest, saveToken } from '../core/http'
import { getConfig } from '../core/config'
import { ImClient } from './imClient'
import type { ChatType, ImEventListener, MsgType } from './types'

let client: ImClient | null = null

export const ImSDK = {
  async login(userId: string, nickname?: string, avatar?: string): Promise<void> {
    const config = getConfig()
    const res = await apiRequest<{ token: string }>('/api/im/auth/login', {
      method: 'POST',
      params: {
        appId: config.appId,
        userId,
        ...(nickname ? { nickname } : {}),
        ...(avatar ? { avatar } : {}),
      },
    })
    await saveToken(res.token)
    client = new ImClient(config.imWsUrl, res.token, config.appId)
    client.connect()
  },

  sendMessage(toId: string, chatType: ChatType, msgType: MsgType, content: string, mentionedUserIds?: string) {
    if (!client) throw new Error('ImSDK: not logged in')
    client.sendMessage(toId, chatType, msgType, content, mentionedUserIds)
  },

  addListener(listener: ImEventListener) {
    client?.addListener(listener)
  },

  removeListener(listener: ImEventListener) {
    client?.removeListener(listener)
  },

  disconnect() {
    client?.disconnect()
    client = null
  },

  isConnected() {
    return client?.isConnected() ?? false
  },
}