using FlexJobApi.Core;
using Furion.DatabaseAccessor;
using Furion.FriendlyException;
using Mapster;
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
{
    /// <summary>
    /// 用户简历查询处理器
    /// </summary>
    public class UserResumeQueryHandler(
            IRepository<User> rep
        ) :
        IRequestHandler<GetUserResumeQuery, GetUserResumeQueryResult>,
        IRequestHandler<GetUserResumePersonalQuery, GetUserResumePersonalQueryResult>,
        IRequestHandler<GetUserResumeJobSeekingQuery, GetUserResumeJobSeekingQueryResult>,
        IRequestHandler<GetUserResumeCredentialsQuery, List<GetUserResumeCredentialsQueryResultItem>>,
        IRequestHandler<GetUserResumeCredentialQuery, GetUserResumeCredentialQueryResult>,
        IRequestHandler<GetUserResumeWorkExperienceQuery, GetUserResumeWorkExperienceQueryResult>,
        IRequestHandler<GetUserResumeDetailQuery, GetUserResumeDetailQueryResult>
    {
        private readonly IRepository<User> rep = rep;

        /// <summary>
        /// 查询用户简历
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public async Task<GetUserResumeQueryResult> Handle(GetUserResumeQuery request, CancellationToken cancellationToken)
        {
            var logier = JwtUtils.GetCurrentLogier();
            if (logier.Type == EnumUserType.Personal)
            {
                request.UserId = logier.Id;
            }
            if (request.UserId == null) throw Oops.Oh(EnumErrorCodeType.s400, "请选择用户");
            var model = await request.UserId.Value
                 .GetDetail<User, GetUserResumeQueryResult>(cancellationToken);
            model.TaskCount = await rep.Change<TaskInfoUser>().AsQueryable().AsNoTracking()
                .Where(it => it.UserId == model.Id && it.HireStatus == EnumTaskUserHireStatus.Pass)
                .CountAsync();
            return model;
        }

        /// <summary>
        /// 查询用户简历-个人信息
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public async Task<GetUserResumePersonalQueryResult> Handle(GetUserResumePersonalQuery request, CancellationToken cancellationToken)
        {
            var model = await rep.GetPersonalQueryable(false)
                .GetDetail<User, GetUserResumePersonalQueryResultModel>(cancellationToken);
            var result = model.Adapt<GetUserResumePersonalQueryResult>();
            return result;
        }

        /// <summary>
        /// 查询用户简历-求职意向
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public Task<GetUserResumeJobSeekingQueryResult> Handle(GetUserResumeJobSeekingQuery request, CancellationToken cancellationToken)
        {
            return rep.GetPersonalQueryable(false)
                .GetDetail<User, GetUserResumeJobSeekingQueryResult>(cancellationToken);
        }

        /// <summary>
        /// 查询用户简历-资格证书列表
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public async Task<List<GetUserResumeCredentialsQueryResultItem>> Handle(GetUserResumeCredentialsQuery request, CancellationToken cancellationToken)
        {
            return await rep.GetPersonalQueryable(false)
                .SelectMany(it => it.UserCredentials)
                .OrderBy(it => it.CreatedTime)
                .ProjectToType<GetUserResumeCredentialsQueryResultItem>()
                .ToListAsync(cancellationToken);
        }

        /// <summary>
        /// 查询用户简历-资格证书
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public Task<GetUserResumeCredentialQueryResult> Handle(GetUserResumeCredentialQuery request, CancellationToken cancellationToken)
        {
            return rep.GetPersonalQueryable(false)
                .SelectMany(it => it.UserCredentials)
                .Where(it => it.Id == request.Id)
                .GetDetail<UserCredential, GetUserResumeCredentialQueryResult>(cancellationToken);
        }

        /// <summary>
        /// 查询用户简历-工作经验
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public Task<GetUserResumeWorkExperienceQueryResult> Handle(GetUserResumeWorkExperienceQuery request, CancellationToken cancellationToken)
        {
            return rep.GetPersonalQueryable(false)
                .GetDetail<User, GetUserResumeWorkExperienceQueryResult>(cancellationToken);
        }

        /// <summary>
        /// 查询用户简历-详细信息
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public Task<GetUserResumeDetailQueryResult> Handle(GetUserResumeDetailQuery request, CancellationToken cancellationToken)
        {
            return rep.GetPersonalQueryable(false)
                .GetDetail<User, GetUserResumeDetailQueryResult>(cancellationToken);
        }

    }
}