using DbAPI.Connections;
using DbAPI.Errors;
using DbAPI.Logging;
using DbAPI.CustomerDetails;
using DTS.Common.Classes.Channels;
using DTS.Common.Interface.Database;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Diagnostics;
using DTS.Common.Interface.TestMetaData;
using DTS.Common.Classes.CustomerDetails;

namespace DbAPI.CustomerDetails
{
    /// <summary>
    /// Handles Customer Details functions
    /// </summary>
    internal class CustomerDetails : ICustomerDetails
    {
        public ulong CustomerDetailsInsert(IUserDbRecord user,
            IConnectionDetails connection,
            CustomerDetailsDbRecord customerDetailsDbRecord,
            out int newId,
            out string errorString)
        {
            errorString = string.Empty;
            newId = -1;
            if (!DbAPI.Connections.IsUserLoggedIn(user, connection))
            {
                return ErrorCodes.ERROR_ACCESS_DENIED;
            }
            var ret = ConnectionManager.GetSqlCommand(connection, out var cmd, "sp_CustomerDetailsInsert");
            if (ret != ErrorCodes.ERROR_SUCCESS)
            {
                return ret;
            }
            var errorNumberULong = ErrorCodes.ERROR_SUCCESS;
            try
            {
                cmd.CommandType = CommandType.StoredProcedure;

                #region params

                cmd.Parameters.Add(new SqlParameter("@Name", SqlDbType.NVarChar, 255) { Value = customerDetailsDbRecord.Name });
                cmd.Parameters.Add(new SqlParameter("@CustomerName", SqlDbType.NVarChar, 255) { Value = customerDetailsDbRecord.CustomerName });
                cmd.Parameters.Add(new SqlParameter("@CustomerTestRefNumber", SqlDbType.NVarChar, 255) { Value = customerDetailsDbRecord.CustomerTestRefNumber });
                cmd.Parameters.Add(new SqlParameter("@ProjectRefNumber", SqlDbType.NVarChar, 255) { Value = customerDetailsDbRecord.ProjectRefNumber });
                cmd.Parameters.Add(new SqlParameter("@CustomerOrderNumber", SqlDbType.NVarChar, 255) { Value = customerDetailsDbRecord.CustomerOrderNumber });
                cmd.Parameters.Add(new SqlParameter("@CustomerCostUnit", SqlDbType.NVarChar, 255) { Value = customerDetailsDbRecord.CustomerCostUnit });
                cmd.Parameters.Add(new SqlParameter("@LocalOnly", SqlDbType.Bit) { Value = customerDetailsDbRecord.LocalOnly });
                cmd.Parameters.Add(new SqlParameter("@LastModified", SqlDbType.DateTime) { Value = customerDetailsDbRecord.LastModified });
                cmd.Parameters.Add(new SqlParameter("@LastModifiedBy", SqlDbType.NVarChar, 50) { Value = customerDetailsDbRecord.LastModifiedBy });
                cmd.Parameters.Add(new SqlParameter("@Version", SqlDbType.Int) { Value = 1 });
                var newIdParam = new SqlParameter("@new_id", SqlDbType.Int) { Direction = ParameterDirection.Output };
                cmd.Parameters.Add(newIdParam);
                var errorNumberParam = new SqlParameter("@errorNumber", SqlDbType.Int) { Direction = ParameterDirection.Output };
                cmd.Parameters.Add(errorNumberParam);
                var errorMessageParam = new SqlParameter("@errorMessage", SqlDbType.NVarChar, 250) { Direction = ParameterDirection.Output };
                cmd.Parameters.Add(errorMessageParam);

                #endregion params

                cmd.ExecuteNonQuery();
                if ((int)errorNumberParam.Value != 0)
                {
                    errorNumberULong = (ulong)errorNumberParam.Value;
                }
                else
                {
                    newId = (int)newIdParam.Value;
                }
            }
            finally
            {
                cmd.Connection.Dispose();
            }

            return errorNumberULong;
        }
        public ulong CustomerDetailsUpdate(IUserDbRecord user,
            IConnectionDetails connection,
            CustomerDetailsDbRecord customerDetailsDbRecord,
            out string errorString)
        {
            errorString = string.Empty;
            if (!DbAPI.Connections.IsUserLoggedIn(user, connection))
            {
                return ErrorCodes.ERROR_ACCESS_DENIED;
            }
            var ret = ConnectionManager.GetSqlCommand(connection, out var cmd, "sp_CustomerDetailsUpdate");
            if (ret != ErrorCodes.ERROR_SUCCESS)
            {
                return ret;
            }
            var errorNumberULong = ErrorCodes.ERROR_SUCCESS;
            try
            {
                cmd.CommandType = CommandType.StoredProcedure;

                cmd.Parameters.Add(new SqlParameter("@Name", SqlDbType.NVarChar, 255) { Value = customerDetailsDbRecord.Name });
                cmd.Parameters.Add(new SqlParameter("@CustomerName", SqlDbType.NVarChar, 255) { Value = customerDetailsDbRecord.CustomerName });
                cmd.Parameters.Add(new SqlParameter("@CustomerTestRefNumber", SqlDbType.NVarChar, 255) { Value = customerDetailsDbRecord.CustomerTestRefNumber });
                cmd.Parameters.Add(new SqlParameter("@ProjectRefNumber", SqlDbType.NVarChar, 255) { Value = customerDetailsDbRecord.ProjectRefNumber });
                cmd.Parameters.Add(new SqlParameter("@CustomerOrderNumber", SqlDbType.NVarChar, 255) { Value = customerDetailsDbRecord.CustomerOrderNumber });
                cmd.Parameters.Add(new SqlParameter("@CustomerCostUnit", SqlDbType.NVarChar, 255) { Value = customerDetailsDbRecord.CustomerCostUnit });
                cmd.Parameters.Add(new SqlParameter("@LocalOnly", SqlDbType.Bit) { Value = customerDetailsDbRecord.LocalOnly });
                cmd.Parameters.Add(new SqlParameter("@LastModified", SqlDbType.DateTime) { Value = customerDetailsDbRecord.LastModified });
                cmd.Parameters.Add(new SqlParameter("@LastModifiedBy", SqlDbType.NVarChar, 50) { Value = customerDetailsDbRecord.LastModifiedBy });
                cmd.Parameters.Add(new SqlParameter("@Version", SqlDbType.Int) { Value = 1 });
                var errorNumberParam = new SqlParameter("@errorNumber", SqlDbType.Int) { Direction = ParameterDirection.Output };
                cmd.Parameters.Add(errorNumberParam);
                var errorMessageParam = new SqlParameter("@errorMessage", SqlDbType.NVarChar, 250) { Direction = ParameterDirection.Output };
                cmd.Parameters.Add(errorMessageParam);

                cmd.ExecuteNonQuery();
                if ((int)errorNumberParam.Value != 0)
                {
                    errorNumberULong = (ulong)errorNumberParam.Value;
                }
            }
            catch (Exception ex)
            {
                //Concatenate any error string returned from the stored procedure call
                errorString = $"{ex.Message}; {errorString}";
                return errorNumberULong;
            }
            finally
            {
                cmd.Connection.Dispose();
            }

            return errorNumberULong;
        }

        public ulong CustomerDetailsGet(IUserDbRecord user,
            IConnectionDetails connection,
            string name,
            out ICustomerDetailsDbRecord[] customerDetailsDbRecords)
        {
            customerDetailsDbRecords = null;
            if (!DbAPI.Connections.IsUserLoggedIn(user, connection))
            {
                return ErrorCodes.ERROR_ACCESS_DENIED;
            }
            var ret = ConnectionManager.GetSqlCommand(connection, out var cmd, "sp_CustomerDetailsGet");
            if (ret != ErrorCodes.ERROR_SUCCESS) { return ret; }

            var list = new List<ICustomerDetailsDbRecord>();
            try
            {
                cmd.CommandType = CommandType.StoredProcedure;
                cmd.Parameters.Add(new SqlParameter("@Name", SqlDbType.NVarChar) { Value = name });

                var reader = cmd.ExecuteReader();
                while (reader.Read())
                {
                    try
                    {
                        var cd = new CustomerDetailsDbRecord(reader);
                        if (!cd.IsInvalidBlank())
                        {
                            list.Add(cd);
                        }
                    }
                    catch (Exception ex)
                    {
                        LogManager.Log(TraceEventType.Error, LogManager.LogEvents.DataRecorders, ex.Message);
                        return ErrorCodes.ERROR_UNKNOWN;
                    }
                }
                return ErrorCodes.ERROR_SUCCESS;
            }
            catch (Exception ex)
            {
                LogManager.Log(TraceEventType.Error, LogManager.LogEvents.DataRecorders, ex.Message);
                return ErrorCodes.ERROR_UNKNOWN;
            }
            finally
            {
                cmd.Connection.Dispose();
                customerDetailsDbRecords = list.ToArray();
            }
        }
        public ulong CustomerDetailsDelete(IUserDbRecord user,
            IConnectionDetails connection,
            string name,
            out string errorString)
        {
            errorString = string.Empty;
            if (!DbAPI.Connections.IsUserLoggedIn(user, connection))
            {
                return ErrorCodes.ERROR_ACCESS_DENIED;
            }
            var ret = ConnectionManager.GetSqlCommand(connection, out var cmd, "sp_CustomerDetailsDelete");
            if (ret != ErrorCodes.ERROR_SUCCESS)
            {
                return ret;
            }
            var errorNumberULong = ErrorCodes.ERROR_SUCCESS;
            try
            {
                try
                {
                    cmd.CommandType = CommandType.StoredProcedure;

                    #region params

                    cmd.Parameters.Add(new SqlParameter("@Name", SqlDbType.NVarChar, 255) { Value = string.IsNullOrEmpty(name) ? null : name });
                    var errorNumberParam = new SqlParameter("@errorNumber", SqlDbType.Int) { Direction = ParameterDirection.Output };
                    cmd.Parameters.Add(errorNumberParam);
                    var errorMessageParam = new SqlParameter("@errorMessage", SqlDbType.NVarChar, 250) { Direction = ParameterDirection.Output };
                    cmd.Parameters.Add(errorMessageParam);

                    #endregion params

                    cmd.ExecuteNonQuery();
                    if ((int)errorNumberParam.Value != 0)
                    {
                        errorNumberULong = (ulong)errorNumberParam.Value;
                        errorString = (string)errorMessageParam.Value;
                    }
                }
                finally
                {
                    cmd.Connection.Dispose();
                }
            }
            catch (Exception ex)
            {
                //Concatenate any error string returned from the stored procedure call
                errorString = $"{ex.Message}; {errorString}";
                return errorNumberULong;
            }
            finally
            {
                cmd.Connection.Dispose();
            }

            return errorNumberULong;
        }
    }
}