let nextId = 0;

export type ToastType = 'success' | 'error' | 'warning' | 'info';

export type Toast = {
	id: number;
	type: ToastType;
	message: string;
};

let toasts = $state<Toast[]>([]);

export function getToasts(): Toast[] {
	return toasts;
}

export function addToast(type: ToastType, message: string, duration = 4000): number {
	const id = nextId++;
	toasts.push({ id, type, message });
	if (duration > 0) {
		setTimeout(() => removeToast(id), duration);
	}
	return id;
}

export function removeToast(id: number) {
	toasts = toasts.filter((t) => t.id !== id);
}

export const toast = {
	success: (msg: string, duration?: number) => addToast('success', msg, duration),
	error: (msg: string, duration?: number) => addToast('error', msg, duration ?? 6000),
	warning: (msg: string, duration?: number) => addToast('warning', msg, duration),
	info: (msg: string, duration?: number) => addToast('info', msg, duration)
};