import {AttachCAD as CAD} from '../index'
import { CADElement } from '../core/element'
import LineArch from '../architecture/linearch'
import Column from '../architecture/column'

export interface Disabled {
  forbidden: Function
  available: Function
}

// 启用或禁用cad
export const attachDisabled = (cad: CAD) => {
  let editApis = ['increase', 'getStackState', 'preservation', 'previous', 'next', 'closeMouseHandle', 'showGauge', 'hideGauge']
  let apiFuns = []

  // 禁用cad所有交互取消
  cad.forbidden = () => {
    if (apiFuns.length === editApis.length) return;
    
    cad.hideGauge()
    cad.closeMouseHandle()

    CADElement.examples.get(cad.processing.render).forEach(e => e.unEvent())

    LineArch.attaArch.forEach(archs => {
      archs.forEach(arch => {
        arch instanceof Column && arch.delEvent()
      })
    })

    editApis.forEach(key => {
      apiFuns.push(cad[key])
      delete cad[key]
    })
  }

  // 启用cad激活操作
  cad.available = () => {
    if (apiFuns.length !== editApis.length) return;

    editApis.forEach((key, i) => cad[key] = apiFuns[i])
    apiFuns = []

    CADElement.examples.get(cad.processing.render).forEach(e => e.listen());
    
    LineArch.attaArch.forEach(archs => {
      archs.forEach(arch => arch instanceof Column && arch.addEvent())
    })

    cad.showGauge()
    cad.openMouseHandle()
  }
}