import { httpRequest } from '@/utils/http'

// 全局配置
let globalConfig = {
  botCode: '',
  userName: '',
  baseURL: '/rag'
}

export interface MessageRequest {
  botCode: string
  userName: string
  streamId: string
  question: string
}

export interface MessageResponse {
  status: {
    code: number
    detail: string
    serverResponseTime: number
  }
  body: {
    content: string
    streamId: string
    finish: boolean
  }
}

export interface SDKConfig {
  botCode: string
  userName: string
  baseURL?: string
  themeColor?: string | string[]
  position?: {
    top?: string
    right?: string
    bottom?: string
    left?: string
  }
  draggable?: boolean
  pollingInterval?: number
}

// 设置全局配置
export const setSDKConfig = (config: SDKConfig) => {
  globalConfig.botCode = config.botCode
  globalConfig.userName = config.userName
  if (config.baseURL) {
    globalConfig.baseURL = config.baseURL == '/' ? '' : config.baseURL
  }
}

// 获取全局配置
export const getSDKConfig = () => ({ ...globalConfig })

export const apiService = {
  /**
   * 发送消息到AI接口
   * @param request 消息请求参数（可选，如果不传则使用全局配置）
   * @returns Promise<MessageResponse>
   */
  async sendMessage(request?: Partial<MessageRequest>): Promise<MessageResponse> {
    try {
      const url = `${globalConfig.baseURL}/api/web-bot/qa/message`
      const messageRequest = {
        botCode: request?.botCode || globalConfig.botCode,
        userName: request?.userName || globalConfig.userName,
        streamId: request?.streamId || '',
        question: request?.question || ''
      }
      
      const response = await httpRequest(url, {
        method: 'POST',
        body: JSON.stringify({
          ...messageRequest,
          userName: undefined,
          userId: messageRequest.userName
        })
      })
      return response
    } catch (error) {
      console.error('发送消息失败:', error)
      throw error
    }
  }
}