import { JsonValue } from '@std/json'

export type UUID = `${string}-${string}-${string}-${string}-${string}`
export type DateString =
	`${number}-${number}-${number}T${number}:${number}:${number}.${number}Z"`
export type Login = `${string}.${string}`
export type MailAddress = `${string}@${string}.${string}`

export type ToJson<T> = T extends JsonValue ? T
	: T extends { toJSON(): unknown } ? ReturnType<T['toJSON']>
	: T extends { toJSON(): unknown }[]
		? { [K: number]: ReturnType<T[typeof K]['toJSON']> }
	: never

export type MethodOf<T, K extends keyof T> = {
	[P in keyof Pick<T, T[K] extends CallableFunction ? K : never>]: never
}

export type Serializable<T extends object> = {
	[key in Exclude<keyof T, 'toJSON' | 'toString' | 'toPrimitive' | 'valueOf'>]:
		ToJson<T[key]>
}

export type Posix = {
	id: number
	home: string
	shell: string
}