// =============================================================================
// 企微IT智能服务台 — H5用户端消息 API
// =============================================================================
// 说明：封装消息相关的 API 调用
// 包括：消息撤回、删除、标记已读、图片上传、文件上传
// =============================================================================

import apiClient from './index'
import type { AxiosResponse } from 'axios'
import type { Message } from './conversation'

// --------------------------------------------------------------------------
// 类型定义
// --------------------------------------------------------------------------

/** 消息列表响应 */
export interface MessageListData {
  items: Message[]
  has_more: boolean
}

// --------------------------------------------------------------------------
// API 函数
// --------------------------------------------------------------------------

/**
 * 撤回消息（2分钟内）
 *
 * @param messageId - 消息ID
 * @returns 撤回结果
 */
export async function recallMessage(messageId: string): Promise<any> {
  const response: AxiosResponse = await apiClient.post(
    `/messages/${messageId}/recall`
  )
  return response
}

/**
 * 删除消息
 *
 * @param messageId - 消息ID
 * @returns 删除结果
 */
export async function deleteMessage(messageId: string): Promise<any> {
  const response: AxiosResponse = await apiClient.delete(
    `/messages/${messageId}`
  )
  return response
}

/**
 * 标记会话已读
 *
 * @param conversationId - 会话ID
 * @returns 标记结果
 */
export async function markConversationRead(conversationId: string): Promise<any> {
  const response: AxiosResponse = await apiClient.post(
    `/conversations/${conversationId}/mark-read`
  )
  return response
}

/**
 * 轮询新消息（H5用户端）
 *
 * @param afterMessageId - 上次轮询的最后一消息ID
 * @returns 新消息列表
 */
export async function pollMessages(afterMessageId?: string): Promise<Message[]> {
  const params: Record<string, string> = {}
  if (afterMessageId) {
    params.after_message_id = afterMessageId
  }
  const response: AxiosResponse = await apiClient.get(
    '/h5/conversations/current/messages/poll',
    { params }
  )
  const data = response
  const items = data?.items || []
  // 映射后端字段到前端字段
  return items.map((item: any) => ({
    message_id: item.id || item.message_id || '',
    conversation_id: item.conversation_id || '',
    message_type: item.sender_type || 'text',
    msg_type: item.msg_type,
    content: item.content || '',
    sender_name: item.sender_name || '',
    created_at: item.created_at || '',
    media_url: item.media_url,
    file_name: item.file_name,
    file_size: item.file_size,
    extra_data: item.extra_data,
    reply_to_id: item.reply_to_id,
    status: item.status,
  }))
}

/**
 * 上传图片
 *
 * @param file - 图片文件
 * @returns 上传结果（包含 url, filename, file_size）
 */
export async function uploadImage(file: File): Promise<{
  url: string
  filename: string
  file_size: number
}> {
  const formData = new FormData()
  formData.append('file', file)

  const response: AxiosResponse = await apiClient.post(
    '/messages/image',
    formData,
    {
      // ISS-B4 修复：不显式设置 Content-Type，让浏览器自动生成带 boundary 的 multipart/form-data
      headers: {
        'Content-Type': undefined,
      },
    }
  )
  return response
}

/**
 * 上传文件
 *
 * @param file - 文件
 * @returns 上传结果（包含 url, filename, file_size）
 */
export async function uploadMessageFile(file: File): Promise<{
  url: string
  filename: string
  file_size: number
}> {
  const formData = new FormData()
  formData.append('file', file)

  const response: AxiosResponse = await apiClient.post(
    '/messages/file',
    formData,
    {
      // ISS-B4 修复：不显式设置 Content-Type，让浏览器自动生成带 boundary 的 multipart/form-data
      headers: {
        'Content-Type': undefined,
      },
    }
  )
  return response
}