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;

namespace TodoAPI2.Models
{
    public class external_competencyService : Iexternal_competencyService
    {
        private IMyDatabase db;

        public external_competencyService(IMyDatabase mydb)
        {
			db = mydb;
        }

        public List<external_com_competencysViewModel> Getcom_competencys()
        {
            var sql = @"
select * from com_competencys where competency_type = 'Core' and deleted_at is null;
";
            var para = db.GetParameterListNpgsql();
            DataTable dt = db.ExecuteDataTableNpgsql(sql, para);
            var result = new List<external_com_competencysViewModel>();
            foreach (DataRow dr in dt.Rows)
            {
                var i = new external_com_competencysViewModel();
                i.competency_id = Convert.ToInt32(dr["competency_id"]);
                i.competency_code = Convert.ToString(dr["competency_code"]);
                i.competency_topic = Convert.ToString(dr["competency_topic"]);

                result.Add(i);
            }
            return result;
        }

        public List<external_com_competency_levelsViewModel> Getcom_competency_levels()
        {
            var sql = $@"
select * from com_competency_levels where deleted_at is null order by competency_id,level;
";
            var para = db.GetParameterListNpgsql();
            DataTable dt = db.ExecuteDataTableNpgsql(sql, para);
            var result = new List<external_com_competency_levelsViewModel>();
            foreach (DataRow dr in dt.Rows)
            {
                var i = new external_com_competency_levelsViewModel();
                i.competency_level_id = Convert.ToInt16(dr["competency_level_id"]);
                i.competency_level_detail = Convert.ToString(dr["level"])+" "+Convert.ToString(dr["competency_level_detail"]);
                i.competency_id = Convert.ToInt16(dr["competency_id"]);
                i.level = Convert.ToInt16(dr["level"]);

                result.Add(i);
            }
            return result;
        }

        public List<external_com_competency_levelsViewModel> Getcom_competency_levelsBycompetency_id(int? competency_id)
        {
            if (competency_id.HasValue)
            {
                var sql = $@"
select * from com_competency_levels where competency_id={competency_id.ToString()} and deleted_at is null order by level;
";
                var para = db.GetParameterListNpgsql();
                DataTable dt = db.ExecuteDataTableNpgsql(sql, para);
                var result = new List<external_com_competency_levelsViewModel>();
                foreach (DataRow dr in dt.Rows)
                {
                    var i = new external_com_competency_levelsViewModel();
                    i.competency_level_id = Convert.ToInt16(dr["competency_level_id"]);
                    i.competency_level_detail = Convert.ToString(dr["level"]) + " " + Convert.ToString(dr["competency_level_detail"]);
                    i.competency_id = Convert.ToInt16(dr["competency_id"]);
                    i.level = Convert.ToInt16(dr["level"]);

                    result.Add(i);
                }
                return result;
            }
            return null;
        }

        public List<external_competencyViewModel> GetTotalItemInLevel(int? competency_level_id)
        {
            if (competency_level_id.HasValue)
            {
                var sql = $@"
select c.competency_id,c.competency_code,c.competency_topic,l.competency_level_id,
l.competency_level_detail,count(d.competency_level_description_id) tot from public.com_competencys c
left join public.com_competency_levels l on c.competency_id=l.competency_id
left join public.com_competency_level_descriptions d on d.competency_level_id = l.competency_level_id
where competency_type = 'Core' and l.competency_level_id={competency_level_id.ToString()}
and c.deleted_at is null and l.deleted_at is null and d.deleted_at is null
group by c.competency_id,c.competency_code,c.competency_topic,l.competency_level_id,
l.competency_level_detail
";
                var para = db.GetParameterListNpgsql();
                DataTable dt = db.ExecuteDataTableNpgsql(sql, para);
                var result = new List<external_competencyViewModel>();
                foreach (DataRow dr in dt.Rows)
                {
                    var i = new external_competencyViewModel();
                    i.competency_id = Convert.ToInt32(dr["competency_id"]);
                    i.competency_code = Convert.ToString(dr["competency_code"]);
                    i.competency_topic = Convert.ToString(dr["competency_topic"]);
                    i.competency_level_id = Convert.ToInt16(dr["competency_level_id"]);
                    i.competency_level_detail = Convert.ToString(dr["competency_level_detail"]);
                    i.tot = Convert.ToInt16(dr["tot"]);

                    result.Add(i);
                }
                return result;
            }
            return null;
        }

        public List<external_com_competency_descriptionsViewModel> Getcom_competency_descriptions()
        {
            var sql = $@"
select * from com_competency_level_descriptions where deleted_at is null order by competency_level_description_id, competency_level_id, list_no;
";
            var para = db.GetParameterListNpgsql();
            DataTable dt = db.ExecuteDataTableNpgsql(sql, para);
            var result = new List<external_com_competency_descriptionsViewModel>();
            foreach (DataRow dr in dt.Rows)
            {
                var i = new external_com_competency_descriptionsViewModel();
                i.competency_level_description_id = Convert.ToInt16(dr["competency_level_description_id"]);
                i.description = Convert.ToString(dr["description"]);
                i.list_no = Convert.ToInt16(dr["list_no"]);
                i.competency_level_id = Convert.ToInt16(dr["competency_level_id"]);

                result.Add(i);
            }
            return result;
        }
    }
}