using langguanApi.Common;
using langguanApi.Extensions.AutoDI;
using langguanApi.Model;
using langguanApi.Model.Dto;
using langguanApi.Model.Entity;
using Mapster;
using System.Linq.Expressions;

namespace langguanApi.Service
{
    [ServiceInjection(InjectionType.Transient)]
    public class UserService : BaseService<UserEntity>
    {
        public UserService(IConfiguration config) : base(config, nameof(UserEntity).Replace("Entity", ""))
        {
        }
        /// <summary>
        /// 登录
        /// </summary>
        /// <param name="username"></param>
        /// <param name="password"></param>
        /// <returns></returns>
        public async Task<UserEntity> login(string username, string password)
        {
            Expression<Func<UserEntity, bool>> exp = filter =>
            filter.Username == username && filter.Password == StringHelper.MD5Encrypt32(password);
            var list = await base.GetListWithExp(exp);
            return list.FirstOrDefault();
        }
        /// <summary>
        /// 根据用户名获取用户信息
        /// </summary>
        /// <param name="username"></param>
        /// <returns></returns>
        public async Task<UserEntity> GetByUsername(string username)
        {
            Expression<Func<UserEntity, bool>> exp = filter =>
            filter.Username == username;
            var list = await base.GetListWithExp(exp);
            return list.FirstOrDefault();
        }
        /// <summary>
        /// 根据用户ID获取用户信息
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public async Task<UserEntity> GetById(string id)
        {
            return await base.GetAsync(id);
        }
        ///新加用户
        public async Task<ApiResult> AddUser(UserAdd user)
        {
            var entity = user.Adapt<UserEntity>();
            entity.Password = StringHelper.MD5Encrypt32(user.Password);
            var result = await base.CreateAsync(entity);
            return new ApiResult()
            {
                code = 0,
                data = result
            };
        }
        /// <summary>
        /// 分页取数据
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task<ApiResult> GetPage(reqpage input)
        {
            Expression<Func<UserEntity, bool>> exp = filter => true;
            if (!string.IsNullOrEmpty(input.key))
            {
                exp = filter => filter.Username.Contains(input.key) || filter.Phone.Contains(input.key) || filter.Email.Contains(input.key);
            }
            return await base.GetPager(new ReqPaing()
            {
                pageSize = input.pageSize,
                current = input.current
            }, exp);
        }
        ///更新用户信息
        public async Task UpdateUser(UserUpdate user)
        {
            var entity = user.Adapt<UserEntity>();
            entity.Password = StringHelper.MD5Encrypt32(user.Password);
            await base.UpdateAsync(user.Id, entity);
        }
        ///删除用户
        public async Task DeleteUser(string id)
        {
            await base.RemoveAsync(id);
        }
    }
}