class ObjectPool {
    constructor(createFn, resetFn) {
        this.createFn = createFn; // Funkcija za kreiranje novega objekta
        this.resetFn = resetFn;   // Funkcija za resetiranje objekta pred ponovno uporabo
        this.active = [];         // Aktivni objekti
        this.inactive = [];       // Neaktivni objekti (v poolu)
    }

    // Dobi objekt iz poola
    get() {
        let item;
        if (this.inactive.length > 0) {
            item = this.inactive.pop();
        } else {
            item = this.createFn();
        }

        // Resetiraj objekt (npr. nastavi visible = true)
        if (this.resetFn) {
            this.resetFn(item);
        }

        this.active.push(item);
        return item;
    }

    // Vrni objekt v pool
    release(item) {
        const index = this.active.indexOf(item);
        if (index > -1) {
            this.active.splice(index, 1);
            this.inactive.push(item);
        }
    }

    // Vrni vse aktivne v pool
    releaseAll() {
        while (this.active.length > 0) {
            const item = this.active.pop();
            this.inactive.push(item);
        }
    }

    // Počisti vse
    clear() {
        this.active = [];
        this.inactive = [];
    }

    // Info
    getStats() {
        return {
            active: this.active.length,
            inactive: this.inactive.length,
            total: this.active.length + this.inactive.length
        };
    }
}

// Ensure global access
window.ObjectPool = ObjectPool;