using MAX.Framework.Validation;
using MAX.Core.DependencyInjection;
using MAX.Framework.Commons;
using Store.Users.Contracts;
using Store.Users.Contracts.Dtos;
using Store.Users.Entities;
using Store.Users.Mappers;
using Store.Users.Repositories;
namespace Store.Users.Services;

internal sealed class UserQueryService(IUserRepository repository) : IUserQueryService, ITransientDependency
{
    public async Task<UserInfo> GetUser(string userName)
    {
        RequestValidator.Validate(new UserNameRequest { UserName = userName?.Trim()! });
        var user = await repository.GetUser(userName.Trim()) ?? throw new AppException("用户不存在");
        return new UserMapper().ToInfo(user);
    }
    /// <summary>
    /// 获取主账号
    /// </summary>
    /// <param name="userName"></param>
    /// <returns></returns>
    public async Task<UserInfo> GetMainUser(string userName)
    {
        RequestValidator.Validate(new UserNameRequest { UserName = userName?.Trim()! });
        var user = await repository.GetMainUser(userName.Trim()) ?? throw new AppException("用户不存在");
        return new UserMapper().ToInfo(user);
    }
}

internal sealed class UserAuthenticationService(IFreeSql orm, IUserQueryService query)
    : IUserAuthenticationService, ITransientDependency
{
    public async Task<UserInfo?> Authenticate(string userName, string password, CancellationToken cancellationToken = default)
    {
        cancellationToken.ThrowIfCancellationRequested();
        if (!RequestValidator.TryValidate(new UserLoginRequest { UserName = userName?.Trim()!, Password = password }, out _))
            return null;
        var user = await orm.Select<UserEntity>().Where(u => u.UserName == userName.Trim()).FirstAsync(cancellationToken);
        if (user == null || !UserPassword.Verify(user, password)) return null;
        return await query.GetUser(user.UserName);
    }
}