using JetBrains.Annotations;
using System.Collections.Generic;
using Volo.Abp;
using Volo.Abp.Localization;

namespace Sanhe.Abp.Notifications;

public class NotificationDefinitionContext : INotificationDefinitionContext
{
    internal Dictionary<string, NotificationGroupDefinition> Groups { get; }

    public NotificationDefinitionContext()
    {
        Groups = new Dictionary<string, NotificationGroupDefinition>();
    }

    public NotificationGroupDefinition AddGroup(
        [NotNull] string name, 
        ILocalizableString displayName = null,
        bool allowSubscriptionToClients = true)
    {
        Check.NotNull(name, nameof(name));

        if (Groups.ContainsKey(name))
        {
            throw new AbpException($"There is already an existing notification group with name: {name}");
        }

        return Groups[name] = new NotificationGroupDefinition(name, displayName, allowSubscriptionToClients);
    }

    public NotificationGroupDefinition GetGroupOrNull(string name)
    {
        Check.NotNull(name, nameof(name));

        if (!Groups.ContainsKey(name))
        {
            return null;
        }

        return Groups[name];
    }

    public void RemoveGroup(string name)
    {
        Check.NotNull(name, nameof(name));

        if (!Groups.ContainsKey(name))
        {
            throw new AbpException($"Undefined notification group: '{name}'.");
        }

        Groups.Remove(name);
    }
}