import { globalState } from "../../app/global-state";

export default class StringUtils {
    static getRandomString = (length: number) => {
        const characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
        const charactersLength = characters.length;
        let result = '';

        for (let i = 0; i < length; i++) {
            result += characters.charAt(Math.floor(Math.random() * charactersLength));
        }

        return result;
    };

    static normalizeFileName = (name: string) => {
        const nameSplit = name.split('.');
        const extension = nameSplit.pop();
        const justName = nameSplit.join('').replace(/\W/g, '');
        return `${justName}-${StringUtils.getRandomString(8)}.${extension}`;
    };

    static truncateString = (
        str: string,
        maxLength: number,
        ellipsis: string = '...',
    ) => {
        if (!str) {
            return '';
        }

        if (str.length > maxLength) {
            return str.slice(0, maxLength)?.trim() + ellipsis;
        }

        return str;
    };

    static stripHtmlTags = (html: string) => {
        if (!globalState.windowExists) {
            return html;
        }

        const div = document.createElement('div');
        div.innerHTML = html;
        return div.textContent || div.innerText || '';
    };
}