import { isSupportedNS } from "../../name-service.js";

export function isAddress(address: string): boolean {
	return /^(0x)?[\dA-Fa-f]{40}$/.test(address);
}

export function isMastodon(handle: string) {
	return /^\w{1,30}@[\d.A-Za-z-]+\.[A-Za-z]{2,}$/.test(handle);
}

export function formatAddress(address: string): string {
	if (!address) return "";
	if (!isAddress(address)) return address;
	return `${address.slice(0, 6)}...${address.slice(-4)}`;
}

/**
 * it will format the address, eg: 0x1234567890abcdef1234567890abcdef12345678 -> 0x1234...5678
 * also format the long handle, eg: 0x1234567890abcdef1234567890abcdef12345678.csb -> 0x1234...5678.csb
 */
export function formatAddressAndNS(address: string): string {
	if (isAddress(address)) {
		return formatAddress(address);
	}

	if (isSupportedNS(address)) {
		return address
			.split(".")
			.map((value: string) => formatAddress(value))
			.join(".");
	}

	return address;
}

export function addressToAvatarURL(address: string, size: number): string {
	return `https://cdn.stamp.fyi/avatar/${address}?s=${size}`;
}