using FlexJobApi.Core;
using Furion.DatabaseAccessor;
using Furion.FriendlyException;
using MediatR;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace FlexJobApi.UserServer.Application.UserInfos.Commands
{
    /// <summary>
    /// 用户信息命令处理器
    /// </summary>
    public class UserInfoCommandHandler(
            IRepository<User> rep
        ) :
        IRequestHandler<SetUserInfoStatusCommand, int>,
        IRequestHandler<SetUserInfoRolesCommand, int>
    {
        private readonly IRepository<User> rep = rep;

        /// <summary>
        /// 设置用户信息状态
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public async Task<int> Handle(SetUserInfoStatusCommand request, CancellationToken cancellationToken)
        {
            var entities = await rep.AsQueryable()
                .Where(it => request.Ids.Contains(it.Id) && it.Status != request.Status)
                .ToListAsync(cancellationToken);
            foreach (var entity in entities)
            {
                entity.Status = request.Status;
            }
            return entities.Count;
        }

        /// <summary>
        /// 设置用户信息角色
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public async Task<int> Handle(SetUserInfoRolesCommand request, CancellationToken cancellationToken)
        {
            var entity = await rep.AsQueryable()
                .Include(it => it.UserRoles)
                .Where(it => it.Id == request.UserInfoId)
                .FirstOrDefaultAsync(cancellationToken);
            if (entity == null) throw Oops.Oh(EnumErrorCodeType.s404, "用户");
            entity.UserRoles = request.RoleIds
                .Select(it => new UserRole
                {
                    RoleId = it
                })
                .ToList();
            await rep.UpdateAsync(entity);
            return entity.UserRoles.Count;
        }

    }
}