// Global toast notification store
import { browser } from '$app/environment';

export interface ToastNotification {
    id: string;
    message: string;
    type: 'error' | 'success' | 'info';
    duration: number;
}

const DEFAULT_DURATION = 3000;

class ToastStore {
    notifications = $state<ToastNotification[]>([]);

    private generateId(): string {
        return `toast-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`;
    }

    show(message: string, type: ToastNotification['type'] = 'info', duration = DEFAULT_DURATION) {
        if (!browser) return;

        const notification: ToastNotification = {
            id: this.generateId(),
            message,
            type,
            duration,
        };

        this.notifications.push(notification);

        if (duration > 0) {
            setTimeout(() => {
                this.dismiss(notification.id);
            }, duration);
        }
    }

    error(message: string, duration = DEFAULT_DURATION) {
        this.show(message, 'error', duration);
    }

    success(message: string, duration = DEFAULT_DURATION) {
        this.show(message, 'success', duration);
    }

    info(message: string, duration = DEFAULT_DURATION) {
        this.show(message, 'info', duration);
    }

    dismiss(id: string) {
        this.notifications = this.notifications.filter(n => n.id !== id);
    }

    clear() {
        this.notifications = [];
    }
}

export const toastStore = new ToastStore();