import { clsx, type ClassValue } from "clsx"
import { twMerge } from "tailwind-merge"

export function cn(...inputs: ClassValue[]) {
  return twMerge(clsx(inputs))
}

export function formatDate(dateString: string, locale: string): string {
    const date = new Date(dateString);
    const options: Intl.DateTimeFormatOptions = {
        year: 'numeric',
        month: 'long',
        day: 'numeric',
    };

    return date.toLocaleDateString(locale === 'zh' ? 'zh-CN' : locale === 'zh-TW' ? 'zh-TW' : 'en-US', options);
}

export function getLocalizedPath(path: string, locale: string): string {
    if (locale === 'zh') {
        return path;
    }
    return `/${locale}${path}`;
}

export function getLanguageFromLocale(locale: string): string {
    switch (locale) {
        case 'zh':
            return 'zh-CN';
        case 'zh-TW':
            return 'zh-TW';
        case 'en':
            return 'en';
        default:
            return 'zh-CN';
    }
}

export function getLocaleFromLanguage(language: string): string {
    switch (language) {
        case 'zh-CN':
            return 'zh';
        case 'zh-TW':
            return 'zh-TW';
        case 'en':
            return 'en';
        default:
            return 'zh';
    }
}