using System;
using System.Collections.Generic;
using System.Text;
using System.Threading.Tasks;
using Applications.FDC;
using Edge.Core.Processor;
using Edge.Core.Processor.Dispatcher.Attributes;

namespace Dfs.WayneChina.CheryFuelController
{
    [MetaPartsDescriptor(
        "lang-zh-cn:奇瑞汽油加注控制系统lang-en-us:Chery fueling controller",
        "lang-zh-cn:通过车辆VIN控制加油" +
        "lang-en-us:Used for control filling by VIN (vehicle identification number)",
        new[] { "lang-zh-cn:奇瑞lang-en-us:Chery" })]
    public class CheryControllerApp: IAppProcessor
    {
        #region Fields

        private readonly IServiceProvider services;

        public string MetaConfigName { get; set; }

        private readonly CheryControllerAppConfigV1 config;

        private CheryClient _cheryClient;
        private FdcServerHostApp fdcServer;

        #endregion

        #region Logger

        NLog.Logger logger = NLog.LogManager.LoadConfiguration("NLog.config").GetLogger("Application");

        #endregion

        #region Constructor

        [ParamsJsonSchemas("appCtorParamsJsonSchema")]
        public CheryControllerApp(IServiceProvider services, CheryControllerAppConfigV1 config)
        {
            this.services = services;
            this.config = config;

            _cheryClient = new CheryClient(config.Host, config.Port, config.ClientId, config.Username, 
                config.Password, config.ReconnectInterval, config.JobDownUrl, config.JobResultUpUrl);
        }

        #endregion

        #region IAppProcessor methods

        public async Task<bool> Start()
        {
            logger.Warn("Starting Chery client");
            await _cheryClient.StartAsync();
            return true;
        }

        public Task<bool> Stop()
        {
            logger.Warn("Stopping Chery client");
            _cheryClient.StopAsync();
            return Task.FromResult(true);
        }

        public Task Test(params object[] parameters)
        {
            return Task.CompletedTask;
        }

        public void Init(IEnumerable<IProcessor> processors)
        {
            //get the FdcServer instance during init
            foreach (dynamic processor in processors)
            {
                if (processor is IAppProcessor)
                {
                    FdcServerHostApp fdcServer = processor as FdcServerHostApp;
                    if (fdcServer != null)
                    {
                        logger.Info("FdcServerHostApp retrieved as an IApplication instance!");
                        this.fdcServer = processor;
                    }

                    continue;
                }
            }

            if (fdcServer != null)
                logger.Info("Fdc Server instance alive");
        }

        #endregion
    }

    public class CheryControllerAppConfigV1
    {
        /// <summary>
        /// Chery IoT Platform host
        /// </summary>
        public string Host { get; set; }

        /// <summary>
        /// Chery IoT Platform port
        /// </summary>
        public int Port { get; set; }

        /// <summary>
        /// Chery IoT Platform user name
        /// </summary>
        public string Username { get; set; }

        /// <summary>
        /// Chery IoT Platform user password
        /// </summary>
        public string Password { get; set; }

        /// <summary>
        /// Client ID
        /// </summary>
        public string ClientId { get; set; }

        /// <summary>
        /// Interval for reconnection
        /// </summary>
        public int ReconnectInterval { get; set; }

        /// <summary>
        /// Url for the path of the topic
        /// </summary>
        public string JobDownUrl { get; set; }

        /// <summary>
        /// Url for the execution result of the filling job
        /// </summary>
        public string JobResultUpUrl { get; set; }
    }
}