export * from './pick.js'
export * from './omit.js'

type ValueOfRecord<R extends Record<any, any>> = R extends Record<any, infer V> ? V : never

export const mapObjectValues = <O_In extends Record<any, any>, V_Out>(
  obj: O_In,
  mapValue: (key: keyof O_In, val: ValueOfRecord<O_In>) => V_Out,
): { [K in keyof O_In]: V_Out } => {
  const mappedEntries = Object.entries(obj).map(([key, val]) => [key, mapValue(key as keyof O_In, val)] as const)
  return Object.fromEntries(mappedEntries) as any
}

export const mergeDeep = <T extends Record<any, any>>(...objs: T[]): T => {
  const result = {} as T
  for (const obj of objs) {
    for (const [key, val] of Object.entries(obj)) {
      if (val && typeof val === 'object' && !Array.isArray(val)) {
        // @ts-expect-error TODO
        result[key] = mergeDeep(result[key] || {}, val)
      } else {
        // @ts-expect-error TODO
        result[key] = val
      }
    }
  }
  return result
}

export type PartialDeep<T> = {
  [P in keyof T]?: T[P] extends Record<any, any> ? PartialDeep<T[P]> : T[P]
}