import merge from 'deepmerge'

let userConfig: any = {}

export const setConfig = (config: any) => {
  userConfig = config
}

export const getConfig = (key?: string | undefined) => (key ? userConfig[key] : userConfig)

export const mergeConfig = <T, M, D>(
  key: string,
  props: T = {} as T,
  mergeProps: M = {} as M,
  defaultProps: D = {} as D,
) => {
  const globalConfig = getConfig(key) || {}
  return merge.all([defaultProps, globalConfig, props, mergeProps], {
    arrayMerge: (dest, source) => [...new Set([...dest, ...source])], // Dedupe arrays
  }) as T & M & D
}

export {merge}