import { InertiaLinkProps } from '@inertiajs/vue3';
import { clsx, type ClassValue } from 'clsx';
import { twMerge } from 'tailwind-merge';

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

export function urlIsActive(urlToCheck: NonNullable<InertiaLinkProps['href']>, currentUrl: string) {
    return currentUrl.indexOf(toUrl(urlToCheck)) >= 0
}

export function toUrl(href: NonNullable<InertiaLinkProps['href']>) {
    return typeof href === 'string' ? href : href?.url;
}


const currencyFormatter = new Intl.NumberFormat('de-DE', {
    style: 'currency',
    currency: 'EUR',
    minimumFractionDigits: 2,
})

export function toCurrency(value: number | undefined) {
    if (!value) return currencyFormatter.format(0);
    return currencyFormatter.format(value);
}

export function toFixedRounded(num: number, precision: number): number {
    return Number((Math.round(num * Math.pow(10, precision)) / Math.pow(10, precision)).toFixed(precision))
}

export function toLocalDate(value: string) {
    const date = new Date(value);
    return date.toLocaleDateString('de-DE', { day: '2-digit', month: 'short', year: 'numeric' });
    // return date.toLocaleDateString('de-DE', { day: '2-digit', month: '2-digit', year: 'numeric'  });
    // return date.toLocaleDateString('de-DE', { day: '2-digit', month: '2-digit', year: '2-digit'  });
}

export function toShortISOString(date: Date | string) {
    let tempDate = (typeof date === 'string') ? new Date(date) : date
    return tempDate.toISOString().split('T')[0]
}

export function calcDueDate(date: Date, daysAfterInvoice: number): Date {
    let dueDate = new Date(date);
    dueDate.setDate(date.getDate() + daysAfterInvoice);
    return dueDate;
}

export function randomInt(max: number) {
    return Math.floor(Math.random() * max);
}

const randomColors = [
    'bg-rose-200 dark:bg-rose-700',
    'bg-lime-200 dark:bg-lime-700',
    'bg-orange-200 dark:bg-orange-700',
    'bg-sky-200 dark:bg-sky-700',
    'bg-amber-200 dark:bg-amber-700',
    'bg-blue-200 dark:bg-blue-700',
    'bg-purple-200 dark:bg-purple-700'
]

export function bgColorForString(input: string): string {
    let charCodeSum = 0;
    for (let i = 0; i < input.length; i++) {
        charCodeSum += input.charCodeAt(i)
    }
    return randomColors[charCodeSum % randomColors.length];
}