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

namespace Sanhe.Abp.Notifications;

/// <summary>
/// 通知组定义
/// </summary>
public class NotificationGroupDefinition
{
    /// <summary>
    /// 通知组名称
    /// </summary>
    [NotNull]
    public string Name { get; set; }
    /// <summary>
    /// 通知组显示名称
    /// </summary>
    [NotNull]
    public ILocalizableString DisplayName {
        get => _displayName;
        set => _displayName = Check.NotNull(value, nameof(value));
    }
    private ILocalizableString _displayName;
    /// <summary>
    /// 通知组说明
    /// </summary>
    [CanBeNull]
    public ILocalizableString Description { get; set; }
    /// <summary>
    /// 允许客户端显示订阅
    /// </summary>
    public bool AllowSubscriptionToClients { get; set; }

    public IReadOnlyList<NotificationDefinition> Notifications => _notifications.ToImmutableList();
    private readonly List<NotificationDefinition> _notifications;

    protected internal NotificationGroupDefinition(
        string name,
        ILocalizableString displayName = null,
        bool allowSubscriptionToClients = false)
    {
        Name = name;
        DisplayName = displayName ?? new FixedLocalizableString(Name);
        AllowSubscriptionToClients = allowSubscriptionToClients;

        _notifications = new List<NotificationDefinition>();
    }

    /// <summary>
    /// 添加通知
    /// </summary>
    /// <param name="name">通知组名称</param>
    /// <param name="displayName">通知组显示名称</param>
    /// <param name="description">通知组说明</param>
    /// <param name="notificationType">通知类型</param>
    /// <param name="lifetime">通知存活时间</param>
    /// <param name="allowSubscriptionToClients">允许客户端显示订阅</param>
    /// <returns></returns>
    public virtual NotificationDefinition AddNotification(
       string name,
       ILocalizableString displayName = null,
       ILocalizableString description = null,
       NotificationType notificationType = NotificationType.Application,
       NotificationLifetime lifetime = NotificationLifetime.Persistent,
       bool allowSubscriptionToClients = false)
    {
        var notification = new NotificationDefinition(
            name,
            displayName,
            description,
            notificationType,
            lifetime,
            allowSubscriptionToClients
        );

        _notifications.Add(notification);

        return notification;
    }
}