namespace LingAdmin.Shared.Events;

/// <summary>
/// Dapr 事件主题常量
/// </summary>
public static class EventTopics
{
    public const string PubSubName = "pubsub";
    
    // 用户相关事件
    public const string UserCreated = "user-created";
    public const string UserUpdated = "user-updated";
    public const string UserDeleted = "user-deleted";
    public const string UserLoggedIn = "user-logged-in";
    public const string UserLoggedOut = "user-logged-out";
    public const string UserPasswordChanged = "user-password-changed";
    
    // 角色相关事件
    public const string RoleCreated = "role-created";
    public const string RoleUpdated = "role-updated";
    public const string RoleDeleted = "role-deleted";
    public const string UserRoleAssigned = "user-role-assigned";
    public const string UserRoleRevoked = "user-role-revoked";
    
    // 权限相关事件
    public const string PermissionCreated = "permission-created";
    public const string PermissionUpdated = "permission-updated";
    public const string RolePermissionChanged = "role-permission-changed";
}

/// <summary>
/// 用户创建事件
/// </summary>
public class UserCreatedEvent
{
    public int UserId { get; set; }
    public required string Email { get; set; }
    public required string Name { get; set; }
    public DateTime Timestamp { get; set; } = DateTime.UtcNow;
    public string? Source { get; set; }
}

/// <summary>
/// 用户更新事件
/// </summary>
public class UserUpdatedEvent
{
    public int UserId { get; set; }
    public Dictionary<string, object?> ChangedFields { get; set; } = new();
    public DateTime Timestamp { get; set; } = DateTime.UtcNow;
    public int? UpdatedBy { get; set; }
}

/// <summary>
/// 用户登录事件
/// </summary>
public class UserLoggedInEvent
{
    public int UserId { get; set; }
    public required string Email { get; set; }
    public DateTime Timestamp { get; set; } = DateTime.UtcNow;
    public string? IpAddress { get; set; }
    public string? UserAgent { get; set; }
}

/// <summary>
/// 用户登出事件
/// </summary>
public class UserLoggedOutEvent
{
    public int UserId { get; set; }
    public DateTime Timestamp { get; set; } = DateTime.UtcNow;
}

/// <summary>
/// 用户角色分配事件
/// </summary>
public class UserRoleAssignedEvent
{
    public int UserId { get; set; }
    public List<int> RoleIds { get; set; } = new();
    public DateTime Timestamp { get; set; } = DateTime.UtcNow;
    public int? AssignedBy { get; set; }
}

/// <summary>
/// 角色权限变更事件
/// </summary>
public class RolePermissionChangedEvent
{
    public int RoleId { get; set; }
    public List<int> AddedPermissions { get; set; } = new();
    public List<int> RemovedPermissions { get; set; } = new();
    public DateTime Timestamp { get; set; } = DateTime.UtcNow;
    public int? ChangedBy { get; set; }
}