import http from '@/api'
import { ProcessStatus } from '@/api/modules/flow/instance'
import { cloneDeep } from 'lodash-es'

export interface FlowActivity {
  id: string
  defineId: string
  multi: 'sequential' | 'joint' | 'single'
  taskId: string
  instanceId: string
  executionId: string
  activityId: string
  activityName: string
  activityType: string
  assignee: string
  startTime: string
  endTime: string
  duration: number
  deleteReason?: string
  status: ProcessStatus | -1
  records?: FlowActivity[]
}

export const records = (instanceId: string) => {
  return http.get<FlowActivity[]>(`/activity/records/${instanceId}`)
}

export const buildRecords = (data: FlowActivity[]) => {
  const activities = cloneDeep(data)
  const length = activities.length
  for (let i = 0; i < length; i++) {
    const item = activities[i]
    const next = activities[i + 1]
    if (
      next &&
      next.multi !== 'sequential' &&
      item.multi !== 'sequential' &&
      next.activityId === item.activityId
    ) {
      if (!Array.isArray(item.records)) {
        item.records = []
      }
      if (item.activityType === 'userTask') {
        item.activityType = 'multiUser'
      }
      item.records.push(next)
      activities.splice(i + 1, 1)
      i--
    }
  }
  activities.forEach((item) => {
    if (item.multi !== 'sequential') {
      if (!Array.isArray(item.records)) {
        item.records = []
      }
      item.records.unshift(cloneDeep(item))
    }
  })
  return activities
}