TeleWave/backend/src/TeleWave.Application/Common/Interfaces/IIdentityService.cs

using TeleWave.Application.Common.Models;

namespace TeleWave.Application.Common.Interfaces;

public sealed record CurrentUserProfile(Guid Id, string UserName, Guid RoleId, string Role, bool IsBlocked);

public sealed record UserSummaryDto(
    Guid Id,
    string UserName,
    string Role,
    bool IsBlocked,
    DateTimeOffset CreatedAt
);

public interface IIdentityService
{
    /// <summary>Создаёт пользователя и назначает роль по умолчанию (см. Infrastructure/Identity/RoleNames).</summary>
    Task<Result<Guid>> CreateUserAsync(
        string userName,
        string password,
        CancellationToken cancellationToken
    );

    Task<Result<AuthenticatedUser>> ValidateCredentialsAsync(
        string userName,
        string password,
        CancellationToken cancellationToken
    );

    Task<CurrentUserProfile?> GetProfileAsync(Guid userId, CancellationToken cancellationToken);

    Task<Result> ChangePasswordAsync(
        Guid userId,
        string currentPassword,
        string newPassword,
        CancellationToken cancellationToken
    );

    Task<Result> ChangeUserNameAsync(
        Guid userId,
        string newUserName,
        CancellationToken cancellationToken
    );

    /// <summary>Удаляет аккаунт (самоудаление или удаление админом).</summary>
    Task<Result> DeleteUserAsync(Guid userId, CancellationToken cancellationToken);

    Task<Result> BlockUserAsync(Guid userId, CancellationToken cancellationToken);

    Task<Result> UnblockUserAsync(Guid userId, CancellationToken cancellationToken);

    Task<PagedList<UserSummaryDto>> ListUsersAsync(
        int page,
        int pageSize,
        string? search,
        Guid? roleId,
        bool? isBlocked,
        CancellationToken cancellationToken
    );

    Task<UserSummaryDto?> GetUserAsync(Guid userId, CancellationToken cancellationToken);
}