using AutoMapper;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using TTSW.EF;
using TTSW.Utils;
using TTSW.Constant;
using TTSW.Common;
using TodoAPI2.Models;
using System.IO;
using System.Web;
using System.Net;
using TTSW.Configure;
using Microsoft.Extensions.Options;
using System.Data;
using System.Globalization;

namespace TodoAPI2.Models
{
    public class external_linkageService : Iexternal_linkageService
    {
        private IMyDatabase db;
        private IBaseRepository2<eva_adjust_postponementEntity, int> _repository;

        public external_linkageService(IMyDatabase mydb, IBaseRepository2<eva_adjust_postponementEntity, int> repository)
        {
            db = mydb;
            _repository = repository;
        }

        public List<external_linkageViewModel> Getcreate_evaluationDetail()
        {
            var item_create_evaluation_id = (from x in _repository.Context.eva_create_evaluation select x);
            var result = new List<external_linkageViewModel>();
            foreach(var x in item_create_evaluation_id)
            {
                var i = new external_linkageViewModel();
                i.external_id = x.id;
                i.external_code = x.id.ToString();
                i.external_name = x.eva_evaluation_group.thegroup + " ปี " + x.eva_performance_plan.fiscal_year.ToString();
                result.Add(i);
            }
            return result;
        }

        public List<external_linkageViewModel> Gethrm_employee_types()
        {
            var sql = "SELECT * FROM public.hrm_employee_types where deleted_at is null and employee_type_id != '05' order by employee_type_id";
            var para = db.GetParameterListNpgsql();
            DataTable dt = db.ExecuteDataTableNpgsql(sql, para);
            var result = new List<external_linkageViewModel>();
            foreach (DataRow dr in dt.Rows)
            {
                var i = new external_linkageViewModel();
                i.external_id = Convert.ToInt32(dr["id"]);
                i.external_code = dr["employee_type_id"].ToString();
                i.external_name = dr["employee_type_id"].ToString() + " " + dr["employee_type_name"].ToString();
                result.Add(i);
            }
            return result;
        }

        public List<external_linkageViewModel> Gethrm_position_types()
        {
            var sql = "SELECT * FROM public.hrm_position_types where deleted_at is null order by position_type_id";
            var para = db.GetParameterListNpgsql();
            DataTable dt = db.ExecuteDataTableNpgsql(sql, para);
            var result = new List<external_linkageViewModel>();
            foreach (DataRow dr in dt.Rows)
            {
                var i = new external_linkageViewModel();
                i.external_id = Convert.ToInt32(dr["id"]);
                i.external_code = dr["position_type_id"].ToString();
                i.external_name = dr["position_type_id"].ToString() + " " + dr["position_type_name"].ToString();
                result.Add(i);
            }
            return result;
        }

        public List<external_linkageViewModel> Gethrm_position_levels()
        {
            var sql = "SELECT * FROM public.hrm_position_levels where deleted_at is null order by position_level_id";
            var para = db.GetParameterListNpgsql();
            DataTable dt = db.ExecuteDataTableNpgsql(sql, para);
            var result = new List<external_linkageViewModel>();
            foreach (DataRow dr in dt.Rows)
            {
                var i = new external_linkageViewModel();
                i.external_id = Convert.ToInt32(dr["id"]);
                i.external_code = dr["position_level_id"].ToString();
                i.external_name = dr["position_level_id"].ToString() + " " + dr["position_level_name"].ToString();
                result.Add(i);
            }
            return result;
        }

        public List<external_linkageViewModel> GetYesNo()
        {
            var result = new List<external_linkageViewModel>();
            var i = new external_linkageViewModel();
            i.external_id = 1;
            i.external_code = "yes";
            i.external_name = "ใช่";
            result.Add(i);

            var j = new external_linkageViewModel();
            j.external_id = 2;
            j.external_code = "no";
            j.external_name = "ไม่ใช่";
            result.Add(j);

            return result;
        }

        public List<external_linkageViewModel> GetChoice(int start, int end)
        {
            var result = new List<external_linkageViewModel>();
            
            for(int i=start; i<=end; i++)
            {
                var x = new external_linkageViewModel();
                x.external_id = i;
                x.external_code = i.ToString();
                x.external_name = i.ToString();
                result.Add(x);
            }

            return result;
        }

        public List<external_linkageViewModel> GetDataType()
        {
            var result = new List<external_linkageViewModel>();
            var i = new external_linkageViewModel();
            i.external_id = 1;
            i.external_code = "01";
            i.external_name = "ส่วนที่ 1 ผลงาน";
            result.Add(i);

            var j = new external_linkageViewModel();
            j.external_id = 2;
            j.external_code = "02";
            j.external_name = "ส่วนที่ 2 การปฏิบัติ";
            result.Add(j);

            return result;
        }

        //i.item_evaluation_type = (from x in _repository.Context.external_linkage select x).ToList();
        //i.item_evaluation_status = (from x in _repository.Context.external_linkage select x).ToList();
        //i.item_grantee_id = (from x in _repository.Context.external_linkage select x).ToList();
        //i.item_evaluation_accept = (from x in _repository.Context.external_linkage select x).ToList();

        public List<external_linkageViewModel> Getevaluation_type()
        {
            var result = new List<external_linkageViewModel>();
            var i = new external_linkageViewModel();
            i.external_id = 1;
            i.external_code = "01";
            i.external_name = "ผู้ถูกประเมิน";
            result.Add(i);

            var j = new external_linkageViewModel();
            j.external_id = 2;
            j.external_code = "02";
            j.external_name = "ผู้ประเมิน";
            result.Add(j);

            var l = new external_linkageViewModel();
            l.external_id = 3;
            l.external_code = "03";
            l.external_name = "ผู้บังคับบัญชาสูงขึ้นไปหนึ่งระดับ";
            result.Add(l);

            var m = new external_linkageViewModel();
            m.external_id = 4;
            m.external_code = "04";
            m.external_name = "ผู้บังคับบัญชาสูงขึ้นไปสองระดับ";
            result.Add(m);

            return result;
        }

        public List<external_linkageViewModel> Getevaluation_status()
        {
            var result = new List<external_linkageViewModel>();
            var i = new external_linkageViewModel();
            i.external_id = 1;
            i.external_code = "N";
            i.external_name = "ยังไม่ส่ง";
            result.Add(i);

            var j = new external_linkageViewModel();
            j.external_id = 2;
            j.external_code = "Y";
            j.external_name = "ส่งแล้ว";
            result.Add(j);

            return result;
        }

        public List<external_linkageViewModel> Getevaluation_accept()
        {
            var result = new List<external_linkageViewModel>();
            var i = new external_linkageViewModel();
            i.external_id = 10;
            i.external_code = "N1";
            i.external_name = "ยังไม่แจ้งผล";
            result.Add(i);

            var j = new external_linkageViewModel();
            j.external_id = 11;
            j.external_code = "Y1";
            j.external_name = "แจ้งผลแล้ว";
            result.Add(j);

            var k = new external_linkageViewModel();
            k.external_id = 20;
            k.external_code = "N2";
            k.external_name = "ยังไม่ทราบผล";
            result.Add(k);

            var l = new external_linkageViewModel();
            l.external_id = 21;
            l.external_code = "Y2";
            l.external_name = "ทราบผลแล้ว";
            result.Add(l);

            return result;
        }

        public List<external_linkageViewModel> GetAgreeDisagree()
        {
            var result = new List<external_linkageViewModel>();
            var i = new external_linkageViewModel();
            i.external_id = 1;
            i.external_code = "Y";
            i.external_name = "เห็นด้วยกับผลการประเมิน";
            result.Add(i);

            var j = new external_linkageViewModel();
            j.external_id = 2;
            j.external_code = "N";
            j.external_name = "ไม่เห็นด้วยและมีความเห็นต่าง";
            result.Add(j);

            return result;
        }

        public List<external_linkageViewModel> GetDepartmentData()
        {
            var sql = string.Format("select * from public.{0}DepartmentData{0} where department_name != '' and deleted_at is null order by department_name; ", '"'.ToString());
            var para = db.GetParameterListNpgsql();
            DataTable dt = db.ExecuteDataTableNpgsql(sql, para);
            var result = new List<external_linkageViewModel>();
            foreach (DataRow dr in dt.Rows)
            {
                var i = new external_linkageViewModel();
                i.external_id = Convert.ToInt32(dr["id"]);
                i.external_code = dr["department_code"].ToString();
                i.external_name = dr["department_name"].ToString();
                result.Add(i);
            }
            return result;
        }

        // FOR REPORT

        public List<external_linkageViewModel> GetDepartmentDataForReport()
        {
            var sql = string.Format("select {0}a{0}.{0}chart_detail_id{0}, {0}a{0}.{0}organization_chart_id{0}, {0}a{0}.{0}department_id{0}, (CASE WHEN a.department_id IS NOT null THEN (SELECT org_short.department_name FROM org_department_version_names AS org_short WHERE org_short.deleted_at IS null AND org_short.department_id = a.department_id AND org_short.effective_date <= now() ORDER BY org_short.effective_date DESC LIMIT 1) ELSE null END) AS department_name, {0}c{0}.{0}effective_date{0}, {0}c{0}.{0}expry_date{0}, CASE WHEN CAST(a.parent_department_id AS int) < 0 THEN (SELECT organization_name FROM org_organization_datas WHERE deleted_at IS null AND organization_id = ABS(a.parent_department_id)) ELSE (SELECT org_department_version.department_name FROM org_department_version_names AS org_department_version WHERE org_department_version.deleted_at IS null AND org_department_version.department_id = ABS(a.parent_department_id) AND org_department_version.effective_date <= now() ORDER BY org_department_version.effective_date DESC LIMIT 1) END AS parent_name_datas, CAST(a.parent_department_id AS int) AS parent_department_id, {0}b{0}.{0}organization_chart_name{0}, {0}b{0}.{0}version{0}, {0}a{0}.{0}created_at{0}, {0}a{0}.{0}updated_at{0} from {0}org_organization_chart_details{0} as {0}a{0} left join {0}org_organization_charts{0} as {0}b{0} on {0}b{0}.{0}id{0} = {0}a{0}.{0}organization_chart_id{0} left join {0}org_department_datas{0} as {0}c{0} on {0}a{0}.{0}department_id{0} = {0}c{0}.{0}id{0} where ({0}b{0}.{0}version{0} = (SELECT MAX(version) FROM org_organization_charts WHERE deleted_at IS null AND effective_date <= now())) and {0}a{0}.{0}deleted_at{0} is null and {0}b{0}.{0}deleted_at{0} is null and {0}c{0}.{0}deleted_at{0} is null", '"'.ToString());
            var para = db.GetParameterListNpgsql();
            DataTable dt = db.ExecuteDataTableNpgsql(sql, para);
            var result = new List<external_linkageViewModel>();
            foreach (DataRow dr in dt.Rows)
            {
                var i = new external_linkageViewModel();
                i.external_id = Convert.ToInt32(dr["department_id"]);
                i.external_code = dr["department_id"].ToString(); 
                i.external_name = dr["department_name"].ToString();
                result.Add(i);
            }
            return result;
        }

        public List<external_linkageViewModel> GetPositionForReport()
        {
            var sql = string.Format("select * from {0}org_position_datas{0} order by position_name", '"'.ToString());
            var para = db.GetParameterListNpgsql();
            DataTable dt = db.ExecuteDataTableNpgsql(sql, para);
            var result = new List<external_linkageViewModel>();
            foreach (DataRow dr in dt.Rows)
            {
                var i = new external_linkageViewModel();
                i.external_id = Convert.ToInt32(dr["position_id"]);
                i.external_code = dr["position_id"].ToString();
                i.external_name = dr["position_name"].ToString();
                result.Add(i);
            }
            return result;
        }

        public List<external_linkageViewModel> GetEducationForReport()
        {
            var sql = string.Format("SELECT * FROM hrm_education_masters;", '"'.ToString());
            var para = db.GetParameterListNpgsql();
            DataTable dt = db.ExecuteDataTableNpgsql(sql, para);
            var result = new List<external_linkageViewModel>();
            foreach (DataRow dr in dt.Rows)
            {
                var i = new external_linkageViewModel();
                i.external_id = Convert.ToInt32(dr["id"]);
                i.external_code = dr["id"].ToString();
                i.external_name = dr["edu_name"].ToString();
                result.Add(i);
            }
            return result;
        }

        public List<external_linkageViewModel> GetRelationshipForReport()
        {
            var sql = string.Format("SELECT * FROM hrm_relationship_masters;", '"'.ToString());
            var para = db.GetParameterListNpgsql();
            DataTable dt = db.ExecuteDataTableNpgsql(sql, para);
            var result = new List<external_linkageViewModel>();
            foreach (DataRow dr in dt.Rows)
            {
                var i = new external_linkageViewModel();
                i.external_id = Convert.ToInt32(dr["id"]);
                i.external_code = dr["id"].ToString();
                i.external_name = dr["relationship_name"].ToString();
                result.Add(i);
            }
            return result;
        }

        public List<external_linkageViewModel> GetFiscalYear()
        {
            int start_year = DateTime.Now.Year - 10;
            if (start_year < 2400) start_year += 543;
            int end_year = DateTime.Now.Year + 3;
            if (end_year < 2400) end_year += 543;

            var result = new List<external_linkageViewModel>();
            for (int x = start_year; x<=end_year; x++)
            {
                var i = new external_linkageViewModel();
                i.external_id = x;
                i.external_code = x.ToString();
                i.external_name = x.ToString();
                result.Add(i);
            }

            return result;
        }

        public List<external_linkageViewModel> GetFiscalYear2()
        {
            int start_year = DateTime.Now.Year - 10;
            if (start_year < 2400) start_year += 543;
            int end_year = DateTime.Now.Year + 3;
            if (end_year < 2400) end_year += 543;

            var result = new List<external_linkageViewModel>();
            for (int x = start_year; x <= end_year; x++)
            {
                var i = new external_linkageViewModel();
                i.external_id = x - 543;
                i.external_code = x.ToString();
                i.external_name = x.ToString();
                result.Add(i);
            }

            return result;
        }

        //public List<external_linkageViewModel> GetEvaRound()
        //{
        //    var sql = string.Format("select distinct eva_performance_plan.id,eva_performance_plan.{0}theTime{0} , eva_performance_plan.fiscal_year from eva_performance_plan order by eva_performance_plan.fiscal_year,eva_performance_plan.{0}theTime{0}", '"'.ToString());
        //    var para = db.GetParameterListNpgsql();
        //    DataTable dt = db.ExecuteDataTableNpgsql(sql, para);
        //    var result = new List<external_linkageViewModel>();
        //    foreach (DataRow dr in dt.Rows)
        //    {
        //        var i = new external_linkageViewModel();
        //        i.external_id = Convert.ToInt32(dr["theTime"]);
        //        i.id_guid = Guid.Parse(dr["id"].ToString());
        //        i.external_code = dr["theTime"].ToString();
        //        i.external_name = dr["theTime"].ToString() + "/" + dr["fiscal_year"].ToString();
        //        result.Add(i);
        //    }
        //    return result;
        //}

        public List<external_linkageViewModel> GetEvaRound()
        {
            var sql = string.Format("select id,fiscal_year,{0}theRound{0} from eva_adjust_postponement where create_evaluation_id is null order by fiscal_year,{0}theRound{0}", '"'.ToString());
            var para = db.GetParameterListNpgsql();
            DataTable dt = db.ExecuteDataTableNpgsql(sql, para);
            var result = new List<external_linkageViewModel>();
            foreach (DataRow dr in dt.Rows)
            {
                var i = new external_linkageViewModel();
                i.external_id = Convert.ToInt32(dr["id"]);
                //i.id_guid = Guid.Parse(dr["id"].ToString());
                i.external_code = dr["theRound"].ToString();
                i.external_name = dr["theRound"].ToString() + "/" + dr["fiscal_year"].ToString();
                result.Add(i);
            }
            return result;
        }

        public List<external_linkageViewModel> GetAllChildInDep(int? dep_id)
        {
            var all_result = new List<external_linkageViewModel>();
            if (dep_id.HasValue)
            {
                var result = GetChildInDep(dep_id);
                all_result.AddRange(result);
                foreach (var i in result)
                {
                    var result2 = GetChildInDep(i.id.Value);
                    all_result.AddRange(result2);
                }
            }            
            return all_result;
        }

        public string GetMainDept(int? dep_id)
        {
            var sql = string.Format(@"select data1.id,data1.department_name as p1,data2.department_name as p2
from public.{0}DepartmentData{0} data1
left join org_organization_chart_details detail 
on data1.id=detail.department_id
left join public.{0}DepartmentData{0} data2 
on data2.id=detail.parent_department_id
where data1.id={1};", '"'.ToString(), dep_id.ToString());
            var para = db.GetParameterListNpgsql();
            DataTable dt = db.ExecuteDataTableNpgsql(sql, para);
            var result = "";
            foreach (DataRow dr in dt.Rows)
            {
                if(dr["p2"] != null)
                {
                    result = dr["p2"].ToString();
                }                
            }
            return result;
        }

        public List<external_linkageViewModel> GetChildInDep(int? dep_id)
        {
            var sql = string.Format(@"select data1.id,data1.department_name 
from public.{0}DepartmentData{0} data1
left join org_organization_chart_details detail on data1.id=detail.department_id
where detail.parent_department_id={1} or data1.id={1};", '"'.ToString(), dep_id.ToString());
            var para = db.GetParameterListNpgsql();
            DataTable dt = db.ExecuteDataTableNpgsql(sql, para);
            var result = new List<external_linkageViewModel>();
            foreach (DataRow dr in dt.Rows)
            {
                var i = new external_linkageViewModel();
                i.external_id = Convert.ToInt32(dr["id"]);
                i.external_code = dr["id"].ToString();
                i.external_name = dr["department_name"].ToString();
                result.Add(i);
            }
            return result;
        }

        public List<external_linkageViewModel> GetThaiMonth()
        {
            var result = new List<external_linkageViewModel>();

            for (int monthNo = 1; monthNo <= 12; monthNo++)
            {
                var bar = new DateTime(DateTime.Now.Year, monthNo, 1);
                string month = bar.ToString("MMMM", new CultureInfo("th-TH"));

                var i = new external_linkageViewModel();
                //i.external_guid = null;
                i.external_id = monthNo;
                i.external_code = monthNo.ToString();
                i.external_name = month;
                result.Add(i);
            }

            return result;
        }

        public List<external_linkageViewModel> GetSortingDep()
        {
            var sql = string.Format(@"

select orgdata.id,
case when orgdata2.department_name is not null then 
concat(orgdata2.department_name,' - ',orgdata.department_name)
else orgdata.department_name end as full_dep,
orgdata.department_name,
orgdata.department_code,detail.parent_department_id,
case 
when org_type_depart.department_degree_id = 1 then orgdata.department_code::int*1000
when detail.parent_department_id is not null and detail.parent_department_id>0
then orgdata2.department_code::int*1000+orgdata.department_code::int
else orgdata.department_code::int*100000 end as sort_order,org_type_depart.department_degree_id
from public.{0}DepartmentData{0} orgdata
left join org_organization_chart_details detail on orgdata.id = detail.department_id
left join public.{0}DepartmentData{0} orgdata2 on orgdata2.id = detail.parent_department_id
left join public.org_type_departments as org_type_depart on orgdata.department_type_id = org_type_depart.id
left join public.org_type_department_colors as org_depart_color
on org_type_depart.department_degree_id = org_depart_color.id
where orgdata.department_name is not null 
and orgdata.deleted_at is null and orgdata2.deleted_at is null
order by case 
when org_type_depart.department_degree_id = 1 then orgdata.department_code::int*1000
when detail.parent_department_id is not null and detail.parent_department_id>0
then orgdata2.department_code::int*1000+orgdata.department_code::int
else orgdata.department_code::int*100000 end

", '"'.ToString());
            var para = db.GetParameterListNpgsql();
            DataTable dt = db.ExecuteDataTableNpgsql(sql, para);
            var result = new List<external_linkageViewModel>();
            foreach (DataRow dr in dt.Rows)
            {
                var i = new external_linkageViewModel();
                i.external_id = Convert.ToInt32(dr["id"]);
                i.external_code = dr["sort_order"].ToString();
                i.external_name = dr["full_dep"].ToString();
                result.Add(i);
            }
            return result;
        }

    }
}