export class RateLimitingModule {
    private counters: Map<string, { count: number, start: number }> = new Map();
    private limit: number = 1000;
    private window: number = 60000; // 1 min

    constructor() {}

    setRules(rules: any[]) {
        // Find Rate Limit rule
        const rateRule = rules.find(r => r.type === 'RATE_LIMIT' && r.enabled);
        if (rateRule && rateRule.config) {
            this.limit = rateRule.config.limit || 1000;
            this.window = rateRule.config.window || 60000;
        }
    }

    check(key: string): boolean {
        const now = Date.now();
        const record = this.counters.get(key);

        if (!record || (now - record.start > this.window)) {
            this.counters.set(key, { count: 1, start: now });
            return true;
        }

        if (record.count >= this.limit) {
            return false;
        }

        record.count++;
        return true;
    }
}