using FlexJobApi.Core;
using Furion.DatabaseAccessor;
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>
    /// 灵工查询处理器
    /// </summary>
    public class EnterpriseEmployeeQueryHandler(
            IRepository<EnterpriseEmployee> rep
        ) :
        IRequestHandler<GetEnterpriseEmployeesQuery, GetEnterpriseEmployeesQueryResult>
    {
        private readonly IRepository<EnterpriseEmployee> rep = rep;

        /// <summary>
        /// 查询灵工分页列表数据
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public async Task<GetEnterpriseEmployeesQueryResult> Handle(GetEnterpriseEmployeesQuery request, CancellationToken cancellationToken)
        {
            var logier = JwtUtils.GetCurrentLogier();
            var q = rep.AsQueryable().AsNoTracking()
                .OrderBy(it => it.CreatedTime)
                .Where(it => it.EnterpriseId == logier.EnterpriseId);
            if (request.Keywords.IsNotNull())
            {
                q = q.Where(it =>
                    it.Name.Contains(request.Keywords)
                    || it.ContactPhoneNumber.Contains(request.Keywords)
                    || it.Identity.Contains(request.Keywords));
            }
            if (request.CreatedTimeStart.HasValue && request.CreatedTimeEnd.HasValue)
            {
                q = q.Where(it =>
                    it.CreatedTime >= request.CreatedTimeStart.Value
                    && it.CreatedTime <= request.CreatedTimeEnd.Value);
            }
            if (request.SignContractTimeStart.HasValue && request.SignContractTimeEnd.HasValue)
            {
                q = q.Where(it =>
                    it.UserSignContractTime >= request.SignContractTimeStart.Value
                    && it.UserSignContractTime <= request.SignContractTimeEnd.Value
                    || it.EnterpriseSignContractTime >= request.SignContractTimeStart.Value
                    && it.EnterpriseSignContractTime <= request.SignContractTimeEnd.Value);
            }
            if (request.HireStatus.HasValue)
            {
                q = q.Where(it => it.HireStatus == request.HireStatus);
            }
            if (request.IsReal.HasValue)
            {
                q = q.Where(it => (it.UserId.HasValue && it.User.IsReal) == request.IsReal.Value);
            }
            if (request.UserSignContractStatus.HasValue)
            {
                q = q.Where(it => it.UserSignContractStatus == request.UserSignContractStatus);
            }
            if (request.EnterpriseSignContractStatus.HasValue)
            {
                q = q.Where(it => it.EnterpriseSignContractStatus == request.EnterpriseSignContractStatus);
            }
            var s = q.ProjectToType<GetEnterpriseEmployeesQueryResultItem>();
            return await request.PageModel.GetPagedListAsync<GetEnterpriseEmployeesQueryResult, GetEnterpriseEmployeesQueryResultItem>(s, cancellationToken);
        }
    }
}