export const SimulationStorage = {
    STORAGE_KEY: 'btc_bot_simulations',
    
    getAll() {
        try {
            const data = localStorage.getItem(this.STORAGE_KEY);
            return data ? JSON.parse(data) : [];
        } catch (e) {
            console.error('Error reading simulations:', e);
            return [];
        }
    },
    
    save(simulation) {
        try {
            const simulations = this.getAll();
            simulation.id = simulation.id || 'sim_' + Date.now();
            simulation.createdAt = new Date().toISOString();
            simulations.push(simulation);
            localStorage.setItem(this.STORAGE_KEY, JSON.stringify(simulations));
            return simulation.id;
        } catch (e) {
            console.error('Error saving simulation:', e);
            return null;
        }
    },
    
    delete(id) {
        try {
            let simulations = this.getAll();
            simulations = simulations.filter(s => s.id !== id);
            localStorage.setItem(this.STORAGE_KEY, JSON.stringify(simulations));
            return true;
        } catch (e) {
            console.error('Error deleting simulation:', e);
            return false;
        }
    },
    
    get(id) {
        return this.getAll().find(s => s.id === id);
    },
    
    clear() {
        localStorage.removeItem(this.STORAGE_KEY);
    }
};