using FlexJobApi.Core;
using Furion.DatabaseAccessor;
using Furion.DistributedIDGenerator;
using Furion.FriendlyException;
using Mapster;
using MediatR;
using Microsoft.AspNetCore.Components.Forms;
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,
            IRepository<ContractTemplate> repContractTemplate,
            IRepository<EnterpriseEmployeeContract> repEnterpriseEmployeeContract,
            IMediator mediator
        ) :
        IRequestHandler<GetEnterpriseEmployeesQuery, GetEnterpriseEmployeesQueryResult>,
        IRequestHandler<GetEnterpriseEmployeeQuery, GetEnterpriseEmployeeQueryResult>,
        IRequestHandler<GetPersonalUserElectronSignsQuery, GetPersonalUserElectronSignsQueryResult>,
        IRequestHandler<GetPersonalUserElectronSignQuery, GetPersonalUserElectronSignQueryResult>
    {
        private readonly IRepository<EnterpriseEmployee> rep = rep;
        private readonly IRepository<ContractTemplate> repContractTemplate = repContractTemplate;
        private readonly IRepository<EnterpriseEmployeeContract> repEnterpriseEmployeeContract = repEnterpriseEmployeeContract;
        private readonly IMediator mediator = mediator;

        /// <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.TaskInfoUsers.Any(tu => tu.HireStatus == request.HireStatus));
            }
            if (request.IsReal.HasValue)
            {
                q = q.Where(it => (it.UserId.HasValue && it.User.IsReal) == request.IsReal.Value);
            }
            if (request.UserSignContractStatus.HasValue)
            {
                if (logier.ClientType == EnumClientType.Wxmp)
                {
                    switch (request.UserSignContractStatus.Value)
                    {
                        case EnumTaskUserSignContractStatus.Wait:
                            q = q.Where(it => it.UserSignContractStatus == null || it.UserSignContractStatus == request.UserSignContractStatus);
                            break;
                        case EnumTaskUserSignContractStatus.Pass:
                            q = q.Where(it => it.UserSignContractStatus == request.UserSignContractStatus && it.EnterpriseSignContractStatus == EnumTaskUserSignContractStatus.Pass);
                            break;
                        case EnumTaskUserSignContractStatus.Stop:
                            q = q.Where(it => it.UserSignContractStatus == request.UserSignContractStatus);
                            break;
                        default:
                            q = q.Where(it => it.UserSignContractStatus == request.UserSignContractStatus);
                            break;
                    }
                }
                else
                {
                    q = q.Where(it => it.UserSignContractStatus == request.UserSignContractStatus);
                }
            }
            if (request.EnterpriseSignContractStatus.HasValue)
            {
                q = q.Where(it => it.EnterpriseSignContractStatus == request.EnterpriseSignContractStatus);
            }
            var s = q.Select(it => new GetEnterpriseEmployeesQueryResultItem
            {
                Id = it.Id,
                Avatar = it.User.Avatar,
                Name = it.Name,
                Identity = it.Identity,
                Gender = it.Gender,
                Age = it.Age,
                ContactPhoneNumber = it.ContactPhoneNumber,
                UserIsReal = it.User.IsReal == true,
                RealMethod = it.User.RealMethod,
                PersonalIdentityCode = it.User.PersonalIdentityCode,
                PersonalIdentityContent = it.User.PersonalIdentity.Content,
                EducationalBackgroundCode = it.User.EducationalBackgroundCode,
                EducationalBackgroundContent = it.User.EducationalBackground.Content,
                TaskCount = it.User.EnterpriseEmployees.SelectMany(ee => ee.TaskInfoUsers).Count(tu => tu.HireStatus == EnumTaskUserHireStatus.Pass),
                WorkSeniority = it.User.WorkSeniority,
                WorkExperience = it.User.WorkExperience,
                HireStatus = it.TaskInfoUsers.Any(tu => tu.HireStatus == EnumTaskUserHireStatus.Pass)
                    ? EnumTaskUserHireStatus.Pass
                    : it.TaskInfoUsers.Any(tu => tu.HireStatus == EnumTaskUserHireStatus.Refuse)
                    ? EnumTaskUserHireStatus.Refuse
                    : EnumTaskUserHireStatus.Wait,
                UserSignContractStatus = it.UserSignContractStatus,
                HireTime = it.TaskInfoUsers
                    .OrderBy(tu => tu.HireTime)
                    .Where(tu => tu.HireTime.HasValue)
                    .Select(tu => tu.HireTime)
                    .FirstOrDefault(),
                UserRealTime = it.User.RealTime,
                UserSignContractTime = it.UserSignContractTime,
                EnterpriseSignContractStatus = it.EnterpriseSignContractStatus,
                EnterpriseSignContractTime = it.EnterpriseSignContractTime,
                ContractUrl = it.ContractUrl,
            });
            return await request.PageModel.GetPagedListAsync<GetEnterpriseEmployeesQueryResult, GetEnterpriseEmployeesQueryResultItem>(s, cancellationToken);
        }

        /// <summary>
        /// 查询灵工详情
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public async Task<GetEnterpriseEmployeeQueryResult> Handle(GetEnterpriseEmployeeQuery request, CancellationToken cancellationToken)
        {
            var logier = JwtUtils.GetCurrentLogier();
            var model = await rep.AsQueryable().AsNoTracking()
                .Where(it => it.Id == request.Id)
                .GetDetail<EnterpriseEmployee, GetEnterpriseEmployeeQueryResult>(cancellationToken);
            if (request.TaskInfoId.HasValue)
            {
                model.ApplyTime = await rep.Change<TaskInfoUser>().AsQueryable().AsNoTracking()
                    .Where(it => it.TaskInfoId == request.TaskInfoId && it.EnterpriseEmployeeId == request.Id)
                    .Select(it => it.CreatedTime as DateTimeOffset?)
                    .FirstOrDefaultAsync(cancellationToken);
            }
            else if (logier.Type == EnumUserType.Enterprise)
            {
                model.ApplyTime = await rep.Change<TaskInfoUser>().AsQueryable().AsNoTracking()
                    .OrderBy(it => it.CreatedTime)
                    .Where(it => it.TaskInfo.EnterpriseId == logier.EnterpriseId && it.EnterpriseEmployeeId == request.Id)
                    .Select(it => it.CreatedTime as DateTimeOffset?)
                    .FirstOrDefaultAsync(cancellationToken);
            }

            return model;
        }

        /// <summary>
        /// 查询个人用户签约列表
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public async Task<GetPersonalUserElectronSignsQueryResult> Handle(GetPersonalUserElectronSignsQuery request, CancellationToken cancellationToken)
        {
            var logier = JwtUtils.GetCurrentLogier();
            var q = rep.AsQueryable().AsNoTracking()
                .Where(it => it.UserId == logier.Id);
            if (request.UserSignContractStatus.HasValue)
            {
                if (request.UserSignContractStatus == EnumTaskUserSignContractStatus.Pass)
                {
                    q = q.Where(it => it.UserSignContractStatus == EnumTaskUserSignContractStatus.Pass && it.EnterpriseSignContractStatus == EnumTaskUserSignContractStatus.Pass);
                }
                else
                {
                    q = q.Where(it => it.UserSignContractStatus == request.UserSignContractStatus.Value);
                }
            }
            else
            {
                q = q.Where(it =>
                    it.UserSignContractStatus == EnumTaskUserSignContractStatus.Wait
                    || it.UserSignContractStatus == EnumTaskUserSignContractStatus.Pass && it.EnterpriseSignContractStatus == EnumTaskUserSignContractStatus.Pass
                    || it.UserSignContractStatus == EnumTaskUserSignContractStatus.Stop);
            }
            var s = q.Select(it => new GetPersonalUserElectronSignsQueryResultItem
            {
                Id = it.Id,
                EnterpriseName = it.Enterprise.EnterpriseName,
                UserSignContractStatus = it.UserSignContractStatus,
            });
            return await request.PageModel.GetPagedListAsync<GetPersonalUserElectronSignsQueryResult, GetPersonalUserElectronSignsQueryResultItem>(s, cancellationToken);
        }

        /// <summary>
        /// 查询个人用户签约详情
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public async Task<GetPersonalUserElectronSignQueryResult> Handle(GetPersonalUserElectronSignQuery request, CancellationToken cancellationToken)
        {
            var logier = JwtUtils.GetCurrentLogier();
            if (request.Id.HasValue)
            {
                var model = await rep.AsQueryable().AsNoTracking()
                    .Where(it => it.UserId == logier.Id && it.Id == request.Id)
                    .GetDetail<EnterpriseEmployee, GetPersonalUserElectronSignQueryResult>();
                return model;
            }
            else if (request.Code.IsNotNull())
            {
                var contractTemplate = await repContractTemplate.AsQueryable().AsNoTracking()
                    .Where(it => it.Code == request.Code)
                    .FirstOrDefaultAsync();
                if (contractTemplate == null) throw Oops.Oh(EnumErrorCodeType.s404, "合同");

                await mediator.Send(new CheckContractTemplateCommand
                {
                    Id = contractTemplate.Id
                }, cancellationToken);

                var entity = await rep.AsQueryable()
                    .Include(it => it.Enterprise)
                    .Where(it =>
                        it.UserId == logier.Id
                        && it.ContractTemplateId == contractTemplate.Id)
                    .FirstOrDefaultAsync();
                if (entity == null) throw Oops.Oh(EnumErrorCodeType.s404, "灵工");
                if (entity.UserSignContractStatus == null)
                {
                    entity.ContractTemplateId = contractTemplate.Id;
                    entity.UserSignContractStatus = EnumTaskUserSignContractStatus.Wait;
                    entity.UserSignContractTime = null;
                    entity.EnterpriseSignContractStatus = null;
                    entity.EnterpriseSignContractTime = null;
                    entity.ContractCode = $"{DateTime.Now:yyyyMMddHHmmss}{new Random(IDGen.NextID().GetHashCode()).Next(1000, 9999)}";
                    entity.ContractUrl = null;
                    var contract = new EnterpriseEmployeeContract
                    {
                        EnterpriseEmployeeId = entity.Id,
                        ContractTemplateId = entity.ContractTemplateId,
                        ContractCode = entity.ContractCode,
                        UserSignContractStatus = entity.UserSignContractStatus,
                    };
                    await repEnterpriseEmployeeContract.InsertAsync(contract);
                    await rep.UpdateAsync(entity);
                }
                return new GetPersonalUserElectronSignQueryResult
                {
                    Id = entity.Id,
                    ContractCode = entity.ContractCode,
                    ContractTemplateAccess = contractTemplate.Access,
                    UserSignContractStatus = entity.UserSignContractStatus,
                    Name = entity.Name,
                    Identity = entity.Identity,
                    ContactPhoneNumber = entity.ContactPhoneNumber,
                    UserSignContractTime = entity.UserSignContractTime,
                    EnterpriseEnterpriseName = entity.Enterprise.EnterpriseName,
                    EnterpriseSignContractTime = entity.EnterpriseSignContractTime,
                    ContractUrl = entity.ContractUrl,
                };
            }
            else
            {
                throw Oops.Oh(EnumErrorCodeType.s400, "请填写灵工Id或合同模板编号");
            }
        }
    }
}