using System;
using System.Collections.Generic;
using System.Data;

namespace DatabaseExport.ISO
{
    [Serializable()]
    public class CustomerDetails //: ISerializableFile
    {
        private enum Fields
        {
            Name,
            CustomerName,
            CustomerTestRefNumber,
            ProjectRefNumber,
            CustomerOrderNumber,
            CustomerCostUnit,
            LocalOnly,
            LastModified,
            LastModifiedBy,
            Version
        }
        public Dictionary<string, string> GetValues()
        {
            var elementNameValuePairs = new Dictionary<string, string>();

            elementNameValuePairs[Fields.Name.ToString()] = Name;
            elementNameValuePairs[Fields.CustomerName.ToString()] = CustomerName;
            elementNameValuePairs[Fields.CustomerTestRefNumber.ToString()] = CustomerTestRefNumber;
            elementNameValuePairs[Fields.ProjectRefNumber.ToString()] = ProjectRefNumber;
            elementNameValuePairs[Fields.CustomerOrderNumber.ToString()] = CustomerOrderNumber;
            elementNameValuePairs[Fields.CustomerCostUnit.ToString()] = CustomerCostUnit;
            elementNameValuePairs[Fields.LocalOnly.ToString()] = LocalOnly.ToString();
            elementNameValuePairs[Fields.LastModified.ToString()] = LastModified.ToString(System.Globalization.CultureInfo.InvariantCulture);
            elementNameValuePairs[Fields.LastModifiedBy.ToString()] = LastModifiedBy;
            elementNameValuePairs[Fields.Version.ToString()] = Version.ToString(System.Globalization.CultureInfo.InvariantCulture);

            return elementNameValuePairs;
        }
        private string _customerName = string.Empty;
        public string CustomerName
        {
            get => _customerName;
            set => _customerName = value;
        }

        private string _customerTestRefNumber = string.Empty;
        public string CustomerTestRefNumber
        {
            get => _customerTestRefNumber;
            set => _customerTestRefNumber = value;
        }

        private string _projectRefNumber = "NOVALUE";
        public string ProjectRefNumber
        {
            get => _projectRefNumber;
            set
            {
                if (value != string.Empty)
                {
                    _projectRefNumber = value;
                }
            }
        }

        private string _customerOrderNumber = "NOVALUE";
        public string CustomerOrderNumber
        {
            get => _customerOrderNumber;
            set
            {
                if (value != string.Empty)
                {
                    _customerOrderNumber = value;
                }
            }
        }

        private string _customerCostUnit = "NOVALUE";
        public string CustomerCostUnit
        {
            get => _customerCostUnit;
            set
            {
                if (value != string.Empty)
                {
                    _customerCostUnit = value;
                }
            }
        }
        private bool _localOnly = false;
        public bool LocalOnly
        {
            get => _localOnly;
            set => _localOnly = value;
        }

        private string _name = "";
        public string Name
        {
            get => _name;
            set => _name = value;
        }

        private DateTime _lastModified;
        public DateTime LastModified
        {
            get => _lastModified;
            set => _lastModified = value;
        }

        private string _lastModifiedBy;
        public string LastModifiedBy
        {
            get => _lastModifiedBy;
            set => _lastModifiedBy = value;
        }
        private int _version = 1;
        public int Version
        {
            get => _version;
            set => _version = value;
        }

        public CustomerDetails()
        {
        }
        public CustomerDetails(DataRow dr)
        {
            _name = (string)dr["Name"];
            CustomerName = (string)dr["CustomerName"];
            CustomerTestRefNumber = (string)dr["CustomerTestRefNumber"];
            ProjectRefNumber = (string)dr["ProjectRefNumber"];
            CustomerOrderNumber = (string)dr["CustomerOrderNumber"];
            CustomerCostUnit = (string)dr["CustomerCostUnit"];
            _localOnly = Convert.ToBoolean(dr["LocalOnly"]);
            _lastModified = Convert.ToDateTime(dr["LastModified"]);
            _lastModifiedBy = (string)dr["LastModifiedBy"];
            _version = Convert.ToInt32(dr["Version"]);
        }
        public CustomerDetails(CustomerDetails copy)
        {
            _name = copy.Name;
            CustomerName = copy.CustomerName;
            CustomerTestRefNumber = copy.CustomerTestRefNumber;
            ProjectRefNumber = copy.ProjectRefNumber;
            CustomerOrderNumber = copy.CustomerOrderNumber;
            CustomerCostUnit = copy.CustomerCostUnit;
            _localOnly = copy.LocalOnly;
            _lastModified = copy.LastModified;
            _lastModifiedBy = copy.LastModifiedBy;
            _version = copy.Version;
        }
        public static CustomerDetails[] GetAllCustomerDetails()
        {
            var list = new List<CustomerDetails>();
            try
            {
                using (var sql = DbOperations.GetCommand())
                {
                    /* always optimize sql statement! */
                    sql.CommandText = @"SELECT Name" +
                                      ",CustomerName" +
                                      ",CustomerTestRefNumber" +
                                      ",ProjectRefNumber" +
                                      ",CustomerOrderNumber" +
                                      ",CustomerCostUnit" +
                                      ",LocalOnly" +
                                      ",LastModified" +
                                      ",LastModifiedBy" +
                                      ",Version " +
                                      "from [tblCustomerDetails]";

                    using (var ds = DbOperations.Connection.QueryDataSet(sql))
                    {
                        if (ds.Tables.Count > 0 && ds.Tables[0].Rows.Count > 0)
                        {
                            foreach (DataRow dr in ds.Tables[0].Rows)
                            {
                                try
                                {
                                    list.Add(new CustomerDetails(dr));
                                }
                                catch (Exception)
                                {
                                    //DTS.Utilities.Logging.APILogger.Log("failed to get customer details", ex);
                                }
                            }
                        }
                    }
                }
            }
            catch (Exception)
            {
                //DTS.Utilities.Logging.APILogger.Log("Failed to retrieve customer details", ex);
            }
            return list.ToArray();
        }
    }
}