import type { NodeFinishedResponse } from '@/types/workflow'
import { produce } from 'immer'
import { useCallback } from 'react'
import { useStoreApi } from 'reactflow'
import { ErrorHandleTypeEnum } from '@/app/components/workflow/nodes/_base/components/error-handle/types'
import { useWorkflowStore } from '@/app/components/workflow/store'
import { BlockEnum, NodeRunningStatus } from '@/app/components/workflow/types'

export const useWorkflowNodeFinished = () => {
  const store = useStoreApi()
  const workflowStore = useWorkflowStore()

  const handleWorkflowNodeFinished = useCallback(
    (params: NodeFinishedResponse) => {
      const { data } = params
      const { workflowRunningData, setWorkflowRunningData } = workflowStore.getState()
      const { getNodes, setNodes, edges, setEdges } = store.getState()
      const nodes = getNodes()
      setWorkflowRunningData(
        produce(workflowRunningData!, (draft) => {
          const currentIndex = draft.tracing!.findIndex((item) => item.id === data.id)
          if (currentIndex > -1) {
            draft.tracing![currentIndex] = {
              ...draft.tracing![currentIndex],
              ...data,
            }
          }
        }),
      )

      const newNodes = produce(nodes, (draft) => {
        const currentNode = draft.find((node) => node.id === data.node_id)!
        currentNode.data._runningStatus = data.status
        if (data.status === NodeRunningStatus.Exception) {
          if (data.execution_metadata?.error_strategy === ErrorHandleTypeEnum.failBranch)
            currentNode.data._runningBranchId = ErrorHandleTypeEnum.failBranch
        } else {
          if (data.node_type === BlockEnum.IfElse)
            currentNode.data._runningBranchId = data?.outputs?.selected_case_id

          if (data.node_type === BlockEnum.QuestionClassifier)
            currentNode.data._runningBranchId = data?.outputs?.class_id
          if (data.node_type === BlockEnum.HumanInput)
            currentNode.data._runningBranchId = data?.outputs?.__action_id
        }
      })
      setNodes(newNodes)
      const newEdges = produce(edges, (draft) => {
        const incomeEdges = draft.filter((edge) => {
          return edge.target === data.node_id
        })
        incomeEdges.forEach((edge) => {
          edge.data = {
            ...edge.data,
            _targetRunningStatus: data.status,
          }
        })
      })
      setEdges(newEdges)
    },
    [store, workflowStore],
  )

  return {
    handleWorkflowNodeFinished,
  }
}
