// Utilities
import { getCurrentInstance as _getCurrentInstance } from 'vue'
import { toKebabCase } from '@/utils/helpers'

// Types
import type { ComponentInternalInstance } from 'vue'

export function getCurrentInstance(name: string, message?: string) {
  const vm = _getCurrentInstance()

  if (!vm) {
    throw new Error(
      `[Untitle] ${name} ${
        message || 'must be called from inside a setup function'
      }`
    )
  }

  return vm
}

export function getCurrentInstanceName(name = 'composables') {
  const vm = getCurrentInstance(name).type

  // eslint-disable-next-line @typescript-eslint/ban-ts-comment
  // @ts-ignore
  return toKebabCase(vm?.aliasName || vm?.name)
}

let _uid = 0
let _map = new WeakMap<ComponentInternalInstance, number>()
export function getUid() {
  const vm = getCurrentInstance('getUid')

  if (_map.has(vm)) return _map.get(vm)!
  else {
    const uid = _uid++
    _map.set(vm, uid)
    return uid
  }
}
getUid.reset = () => {
  _uid = 0
  _map = new WeakMap()
}