/**
 * @deprecated 请使用 useStructureStore
 */
import { ref } from 'vue'
import { Message } from '@arco-design/web-vue'
import { GetTableStructure } from '../../wailsjs/wailsjs/go/main/App'

export function useStructureState() {
  const structureLoading = ref(false)
  const structureError = ref('')
  const structureData = ref<any>(null)
  const structureInfo = ref<{
    connectionId: number
    database: string
    tableName: string
    dbType: 'mysql' | 'mongo' | 'redis'
    nodeType: string
  } | null>(null)

  const loadStructure = async (
    connectionId: number,
    database: string,
    tableName: string,
    dbType: 'mysql' | 'mongo' | 'redis',
    nodeType: string
  ) => {
    if (nodeType === 'connection' || nodeType === 'database' || !tableName) {
      structureInfo.value = { connectionId, database, tableName: '', dbType, nodeType }
      structureData.value = null
      return
    }

    try {
      structureLoading.value = true
      structureError.value = ''

      if (!window.go?.main?.App?.GetTableStructure) {
        throw new Error('Go 后端未就绪')
      }

      const result = await window.go.main.App.GetTableStructure(connectionId, database, tableName)
      structureData.value = result
      structureInfo.value = { connectionId, database, tableName, dbType, nodeType }
    } catch (error: unknown) {
      const errorMessage = error instanceof Error ? error.message : '加载表结构失败'
      structureError.value = errorMessage
      Message.error('加载表结构失败: ' + errorMessage)
      structureData.value = null
      structureInfo.value = null
    } finally {
      structureLoading.value = false
    }
  }

  const clearStructure = () => {
    structureData.value = null
    structureInfo.value = null
    structureError.value = ''
  }

  const refreshStructure = async () => {
    if (!structureInfo.value) return
    await loadStructure(
      structureInfo.value.connectionId,
      structureInfo.value.database,
      structureInfo.value.tableName,
      structureInfo.value.dbType,
      structureInfo.value.nodeType
    )
  }

  return {
    structureLoading,
    structureError,
    structureData,
    structureInfo,
    loadStructure,
    clearStructure,
    refreshStructure
  }
}