"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.generateStealthId = generateStealthId;
exports.isStealthId = isStealthId;
function generateStealthId(length = 32) {
    const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
    const base = chars.length;
    const randomChars = (count) => Array.from({ length: count }, () => chars.charAt(Math.floor(Math.random() * base))).join('');
    // 生成前 length - 1 位
    const body = randomChars(length - 1);
    // 将 body 每个字符的 charCode 累加，再 mod base，作为校验位
    const sum = body.split('').reduce((acc, c) => acc + c.charCodeAt(0), 0);
    const checksum = chars.charAt(sum % base);
    return body + checksum;
}
function isStealthId(id) {
    const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
    const base = chars.length;
    if (!/^[A-Za-z0-9]{32}$/.test(id))
        return false;
    const body = id.slice(0, -1);
    const expectedChecksum = id.slice(-1);
    const sum = body.split('').reduce((acc, c) => acc + c.charCodeAt(0), 0);
    const checksum = chars.charAt(sum % base);
    return checksum === expectedChecksum;
}