using Newtonsoft.Json;
using OCPPPacket.Packet.DataTransfer;
using OCPPPacket.Packet.Messages;
using OCPPPacket.Packet.Messages.Core;
using OCPPPacket.Packet.Messages.FirmwareManagement;
using OCPPPacket.Packet.Status;
using System;

namespace OCPPServer.Handler
{
    public class MakeConfirmationHandler
    {
        #region Core

        /// <summary>
        /// 建立 Authorize comfirm message
        /// </summary>
        /// <param name="request">AuthorizeRequest</param>
        /// <param name="authstatus">AuthorizationStatus</param>
        /// <returns></returns>
        public IConfirmation MakeAuthorizeConfirmation(AuthorizeRequest request, AuthorizationStatus authstatus)
        {
            AuthorizeConfirmation conf = new AuthorizeConfirmation();
            conf.idTagInfo = new IdTagInfo();
            conf.idTagInfo.expiryDate = new DateTime(2020, 06, 19, 09, 10, 00, 000);//date;
            conf.idTagInfo.parentIdTag = request.idTag;
            conf.idTagInfo.status = authstatus;

            return conf;
        }

        /// <summary>
        /// 建立 BootNotification comfirm message
        /// </summary>
        /// <param name="request">BootNotificationRequest</param>
        /// <returns></returns>
        public IConfirmation MakeBootNotificationConfirmation(BootNotificationRequest request)
        {
            BootNotificationConfirmation conf = new BootNotificationConfirmation();
            conf.currentTime = DateTime.Now;
            conf.interval = 10;
            conf.status = RegistrationStatus.Accepted;

            return conf;
        }

        /// <summary>
        /// 建立 StatusNotification comfirm message
        /// </summary>
        /// <param name="request">StatusNotificationRequest</param>
        /// <returns></returns>
        public IConfirmation MakeStatusNotificationConfirmation(StatusNotificationRequest request)
        {
            StatusNotificationConfirmation conf = new StatusNotificationConfirmation();

            return conf;
        }

        /// <summary>
        /// 建立 Heartbeat comfirm message
        /// </summary>
        /// <param name="request">HeartbeatRequest</param>
        /// <returns></returns>
        public IConfirmation MakeHeartbeatConfirmation(HeartbeatRequest request)
        {
            HeartbeatConfirmation conf = new HeartbeatConfirmation();
            conf.currentTime = DateTime.Now;
            return conf;
        }

        /// <summary>
        /// 建立 ClearCache comfirm message
        /// </summary>
        /// <param name="request">ClearCacheRequest</param>
        /// <returns></returns>
        public IConfirmation MakeClearCacheConfirmation(ClearCacheRequest request)
        {
            ClearCacheConfirmation conf = new ClearCacheConfirmation();
            conf.status = ClearCacheStatus.Accepted;
            return conf;
        }

        /// <summary>
        /// 建立 MeterValues comfirm message
        /// </summary>
        /// <param name="request">MeterValuesRequest</param>
        /// <returns></returns>
        public IConfirmation MakeMeterValuesConfirmation(MeterValuesRequest request)
        {
            MeterValuesConfirmation conf = new MeterValuesConfirmation();
            return conf;
        }

        /// <summary>
        /// 建立 StartTransaction comfirm message
        /// </summary>
        /// <param name="request">StartTransactionRequest</param>
        /// <param name="transactionId"></param>
        /// <returns></returns>
        public IConfirmation MakeStartTransactionConfirmation(StartTransactionRequest request, out int transactionId)
        {
            StartTransactionConfirmation conf = new StartTransactionConfirmation();
            conf.idTagInfo = new IdTagInfo();
            conf.idTagInfo.expiryDate = new DateTime(2020, 06, 19, 09, 10, 00, 000);
            conf.idTagInfo.parentIdTag = request.idTag;
            conf.transactionId = new Random().Next(1, int.MaxValue);
            conf.idTagInfo.status = AuthorizationStatus.Accepted; // 一律回 "Accepted"
            transactionId = conf.transactionId;
            return conf;
        }

        /// <summary>
        /// 建立 Repeat StartTransaction comfirm message
        /// </summary>
        /// <param name="request">StartTransactionRequest</param>
        /// <param name="transactionId"></param>
        /// <returns></returns>
        public IConfirmation MakeRePeatStartTransactionConfirmation(StartTransactionRequest request, int transactionId)
        {
            StartTransactionConfirmation conf = new StartTransactionConfirmation();
            conf.idTagInfo = new IdTagInfo();
            conf.idTagInfo.expiryDate = new DateTime(2020, 06, 19, 09, 10, 00, 000);
            conf.idTagInfo.parentIdTag = request.idTag;
            conf.transactionId = transactionId;
            conf.idTagInfo.status = AuthorizationStatus.Accepted; // 一律回 "Accepted"
            return conf;
        }

        /// <summary>
        /// 建立 StopTransaction comfirm message
        /// </summary>
        /// <param name="request">StopTransactionRequest</param>
        /// <param name="authstatus">AuthorizationStatus</param>
        /// <returns></returns>
        public IConfirmation MakeStopTransactionConfirmation(StopTransactionRequest request, AuthorizationStatus authstatus)
        {
            StopTransactionConfirmation conf = new StopTransactionConfirmation();
            conf.idTagInfo = new IdTagInfo();
            conf.idTagInfo.expiryDate = new DateTime(2020, 06, 19, 09, 10, 00, 000);
            conf.idTagInfo.parentIdTag = request.idTag;
            conf.idTagInfo.status = authstatus;
            return conf;
        }

        /// <summary>
        /// 建立 GunStatus comfirm message
        /// </summary>
        /// <returns></returns>
        public IConfirmation MakeGunStatusConfirmation()
        {
            DataTransferConfirmation conf = new DataTransferConfirmation();
            conf.status = DataTransferStatus.Accepted;
            return conf;
        }

        /// <summary>
        /// 建立 ChargeComplete comfirm message
        /// </summary>
        /// <returns></returns>
        public IConfirmation MakeChargeCompleteConfirmation()
        {
            DataTransferConfirmation conf = new DataTransferConfirmation();
            conf.status = DataTransferStatus.Accepted;
            return conf;
        }

        /// <summary>
        /// 建立 Location comfirm message
        /// </summary>
        /// <returns></returns>
        public IConfirmation MakeLocationConfirmation()
        {
            DataTransferConfirmation conf = new DataTransferConfirmation();
            conf.status = DataTransferStatus.Accepted;
            return conf;
        }

        /// <summary>
        /// 建立 ChargingGunBMS comfirm message
        /// </summary>
        /// <returns></returns>
        public IConfirmation MakeChargingGunBMSConfirmation()
        {
            DataTransferConfirmation conf = new DataTransferConfirmation();
            conf.status = DataTransferStatus.Accepted;
            return conf;
        }

        /// <summary>
        /// 建立 UpgradeVersionConf comfirm message
        /// </summary>
        /// <param name="result"></param>
        /// <param name="param"></param>
        /// <returns></returns>
        public IConfirmation MakeUpgradeVersionConfConfirmation(bool result, ProgramParam param)
        {
            DataTransferConfirmation conf = new DataTransferConfirmation();
            conf.status = DataTransferStatus.Accepted;
            UpgradeVersionConf upgradeverConf = new UpgradeVersionConf();
            upgradeverConf.param = param;
            if (!result)
            {
                upgradeverConf.SameAsServer = true;
            }
            else
            {
                upgradeverConf.SameAsServer = false;
            }

            conf.data = JsonConvert.SerializeObject(upgradeverConf);
            return conf;
        }

        #endregion Core

        #region FirmwareManagement

        /// <summary>
        /// 建立 DiagnosticsStatusNotification comfirm message
        /// </summary>
        /// <returns></returns>
        public IConfirmation MakeDiagnosticsStatusNotificationConfirmation()
        {
            DiagnosticsStatusNotificationConfirmation conf = new DiagnosticsStatusNotificationConfirmation();
            return conf;
        }

        /// <summary>
        /// 建立 FirmwareStatusNotification comfirm message
        /// </summary>
        /// <returns></returns>
        public IConfirmation MakeFirmwareStatusNotificationConfirmation()
        {
            FirmwareStatusNotificationConfirmation conf = new FirmwareStatusNotificationConfirmation();
            return conf;
        }

        #endregion FirmwareManagement

        #region DataTransfer
        public IConfirmation MakeAuthorizeDataConfConfirmation(AuthorizeData request, AuthorizeStatus authstatus)
        {
            DataTransferConfirmation conf = new DataTransferConfirmation();
            conf.status = DataTransferStatus.Accepted;
            AuthorizeResult authorizeResult = new AuthorizeResult();
            authorizeResult.expiryDate = new DateTime(2020, 06, 19, 09, 10, 00, 000);//date;
            authorizeResult.parentIdTag = request.idTag;
            authorizeResult.status = authstatus;

            conf.data = JsonConvert.SerializeObject(authorizeResult);
            return conf;
        }

        #endregion
    }
}