using System;
using System.Collections;
using System.Collections.Generic;
using System.Data.Common;
using System.Linq;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;
using Dapper;
using Microsoft.Extensions.Configuration;
using Npgsql;
using Shentun.Utilities;
namespace Shentun.WebPeis.PlugIns.ColumnReferences
{

    public class ColumnReferencePlugInsBase : PlugInsBase, IColumnReferencePlugIns
    {

        protected string AppSql;
        private List<ColumnReferenceColumn> _columns;
        private List<ColumnReferenceColumn> _interfaceColumns;

        public ColumnReferencePlugInsBase(string parmValue) : base(parmValue)
        {

            AppSql = InterfaceConfig.GetSection("App").GetSection("Sql").Value;
            var columns = InterfaceConfig.GetSection("App").GetSection("Columns").Value;
            string[]? columnArry;
            if (columns != null)
            {
                columns = columns.Replace("，", ",");
                columnArry = columns.Split(',');
                _columns = new List<ColumnReferenceColumn>();
                foreach (var column in columnArry)
                {
                    var singleColumns = column.Split('=');
                    if (singleColumns.Length == 2)
                    {
                        _columns.Add(new ColumnReferenceColumn()
                        {
                            Column = singleColumns[0],
                            Name = singleColumns[1]
                        });
                    }
                }
            }


            columns = InterfaceConfig.GetSection("Interface").GetSection("Columns").Value;
            if (columns != null)
            {
                columns = columns.Replace("，", ",");
                columnArry = columns.Split(',');
                _interfaceColumns = new List<ColumnReferenceColumn>();
                foreach (var columnName in columnArry)
                {
                    var singleColumns = columnName.Split('=');
                    if (singleColumns.Length == 2)
                    {
                        _interfaceColumns.Add(new ColumnReferenceColumn()
                        {
                            Column = singleColumns[0],
                            Name = singleColumns[1]
                        });
                    }
                }
            }

        }
        public virtual List<ColumnReferenceColumn> GetAppColumns()
        {
            if (_columns == null || _columns.Count() == 0)
            {
                return new List<ColumnReferenceColumn>()
                {
                    new ColumnReferenceColumn()
                    {
                        Column = "Code",
                        Name = "编码"
                    },
                     new ColumnReferenceColumn()
                    {
                        Column = "DisplayName",
                        Name = "名称"
                    }

                };
            }
            return _columns;

        }

        public virtual List<ColumnReferenceColumn> GetInterfaceColumns()
        {
            if (_interfaceColumns == null || _interfaceColumns.Count() == 0)
            {
                return new List<ColumnReferenceColumn>()
                {
                    new ColumnReferenceColumn()
                    {
                        Column = "Code",
                        Name = "编码"
                    },
                     new ColumnReferenceColumn()
                    {
                        Column = "DisplayName",
                        Name = "名称"
                    }

                };
            }
            return _interfaceColumns;
        }
        public virtual async Task<List<ColumnReferenceCodeValue>> GetAppCodeValuesAsync()
        {
            using (DbConnection conn = new NpgsqlConnection(AppConnctionStr))
            {
                var list = (await conn.QueryAsync<ColumnReferenceCodeValue>(AppSql)).ToList();
                return list;
            }
        }

        public virtual async Task<List<ColumnReferenceCodeValue>> GetInterfaceCodeValuesAsync()
        {
            return new List<ColumnReferenceCodeValue>()
            {

            };
        }

        public virtual async Task<List<ColumnReferenceFilterCodeValue>> GetAppFilterCodeValuesAsync()
        {
            throw new NotImplementedException();
        }

        public virtual string GetAppFilterColumnName()
        {
            return null;
        }


    }
}