import { ref, computed } from 'vue'
import { onShow, onUnload } from '@dcloudio/uni-app'

/**
 * 简单的群聊hook
 * @param {string} groupID 群组ID
 */
export default function useGroupChat(groupID) {
  const groupInfo = ref({})
  const members = ref([])

  // 群聊成员映射
  const chatMember = computed(() => {
    const res = {}
    members.value.forEach(member => {
      res[member.id] = {
        name: member.name,
        avatar: member.avatar || '/static/default-avatar.png'
      }
    })
    return res
  })

  // 获取群聊信息
  async function getGroupInfo() {
    const gid = typeof groupID === 'string' ? groupID : groupID.value
    if (!gid) return
    
    try {
      // 这里可以调用API获取群聊信息
      // const res = await getGroupDetail(gid)
      // if (res && res.success) {
      //   groupInfo.value = res.data
      //   members.value = res.data.members || []
      // }
      
      // 暂时使用本地数据
      groupInfo.value = {
        groupID: gid,
        name: '群聊',
        status: 'active'
      }
    } catch (error) {
      console.error('获取群聊信息失败:', error)
    }
  }

  onShow(() => {
    getGroupInfo()
  })

  onUnload(() => {
    // 清理资源
  })

  return {
    groupInfo,
    members,
    chatMember,
    getGroupInfo
  }
}