import { ContainerOptions, PropertyOptions, SerdeOptions } from "./options"

export const Serde = Symbol('Serde')

function decorateContainer(options: ContainerOptions, constructor: any) {
  if (constructor[Serde] == null) {
    constructor[Serde] = new SerdeOptions(constructor, options)
  } else {
    constructor[Serde].options = options
  }

  return constructor
}

function decorateProperty(options: PropertyOptions, target: any, property: PropertyKey) {
  let constructor: any
  if (typeof target === 'function') {
    constructor = target
  } else {
    constructor = target.constructor
  }

  if (constructor[Serde] == null) {
    constructor[Serde] = SerdeOptions.from(target)
  }

  constructor[Serde].properties.set(property, options)
  return target
}


export function serde(options: ContainerOptions | PropertyOptions) {
  return function(target: any, property?: PropertyKey) {
    if (property != null) {
      return decorateProperty(options as PropertyOptions, target, property)
    } else {
      return decorateContainer(options, target)
    }
  }
}