import type { Login } from '@/types.ts'

export function toLogin({
	firstname,
	lastname,
}: {
	firstname: string
	lastname: string
}): Login {
	return `${sanitizeString(firstname)}.${sanitizeString(lastname)}`
}

export function sanitizeString(str: string): string {
	return str.toLocaleLowerCase().split('').map(sanitizeChar).join('')
}

function sanitizeChar(char: string): string {
	//decompose unicode and remove diacritical marks
	char = char.normalize('NFD').replace(/[\u0300-\u036f]/g, '')
	if (char.match(/[a-zA-Z0-9]|-|_/)) return char
	return '_'
}

export const regex = {
	uuidV4: /^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/,
	isoDateString: /^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d+Z$/,
	mailAddress: /\S+@\S+\.\S+/,
}