export enum ContentType {
    JSON = 'json',
    FORM = 'form',
    MULTIPART = 'multipart',
    TEXT = 'text',
    RAW = 'raw',
}

export interface NtfyConfig {
    enabled: boolean;
    server?: string;
    topic?: string;
}

export interface RouteConfig {
    name: string;
    contentType: ContentType;
    hcaptchaProtected: boolean;
    hcaptchaSecret?: string;
    ntfy?: NtfyConfig;
    requireToken?: boolean;
}

export interface StoredRequest {
    timestamp: number;
    uuid: string;
    routeName: string;
    method: string;
    headers: Record<string, string>;
    body: unknown;
    files?: Array<{
        fieldName: string;
        originalFilename: string;
        filename: string;
        contentType: string;
        size: number;
        path: string;
    }>;
}

const ROUTE_NAME_PATTERN = /^[a-z0-9][a-z0-9_-]{0,63}$/i;

export function isSafeRouteName(name: unknown): name is string {
    if (typeof name !== 'string') return false;
    if (name !== name.trim()) return false;
    if (name === '.' || name === '..') return false;
    if (name.includes('/') || name.includes('\\')) return false;
    return ROUTE_NAME_PATTERN.test(name);
}

export function isRouteConfig(obj: unknown): obj is RouteConfig {
    if (typeof obj !== 'object' || obj === null) return false;
    const r = obj as Record<string, unknown>;

    const validBasic =
        isSafeRouteName(r.name) &&
        typeof r.contentType === 'string' &&
        Object.values(ContentType).includes(r.contentType as ContentType) &&
        typeof r.hcaptchaProtected === 'boolean' &&
        (r.hcaptchaProtected === false || typeof r.hcaptchaSecret === 'string');

    if (!validBasic) return false;

    // Validate ntfy config if present
    if (r.ntfy !== undefined) {
        if (typeof r.ntfy !== 'object' || r.ntfy === null) return false;
        const ntfy = r.ntfy as Record<string, unknown>;
        if (typeof ntfy.enabled !== 'boolean') return false;
        if (ntfy.enabled && (typeof ntfy.server !== 'string' || typeof ntfy.topic !== 'string')) {
            return false;
        }
    }

    // Validate requireToken if present
    if (r.requireToken !== undefined && typeof r.requireToken !== 'boolean') {
        return false;
    }

    return true;
}