import type { Toast, ToastType } from '$lib/types';

const defaultDurations: Record<ToastType, number> = {
	success: 4000,
	info: 4000,
	warning: 6000,
	error: 0
};

let nextId = 0;

class ToastStore {
	items: Toast[] = $state([]);

	add(type: ToastType, message: string, duration?: number): string {
		const id = String(nextId++);
		const dur = duration ?? defaultDurations[type];

		this.items.push({ id, type, message, duration: dur });

		if (dur > 0) {
			setTimeout(() => this.remove(id), dur);
		}

		return id;
	}

	remove(id: string) {
		const idx = this.items.findIndex((t) => t.id === id);
		if (idx !== -1) this.items.splice(idx, 1);
	}
}

export const toasts = new ToastStore();