using CMS_CORE_Library.Models;
using Step.Model.DTOModels.Scada;
using Step.NC;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web.Http;
using static Step.Config.ServerConfig;

namespace Step.Controllers.WebApi
{
    [RoutePrefix("api/scada")]
    public class ScadaController : ApiController
    {
        [Route("list")]
        public IHttpActionResult GetScadaList()
        {
            using (NcHandler ncHandler = new NcHandler()) 
            {
                return Ok(ConfiguredScadaSchema);
            }
        }

        [Route("subscribe/{scadaId:int}")]
        public IHttpActionResult SubscribeScada(int scadaId)
        {
                // Select schema
                ScadaSchemaModel selectedScadaSchema = ConfiguredScadaSchema
                    .Where(x => x.Id == scadaId)
                    .FirstOrDefault();

                if (selectedScadaSchema == null)
                    return BadRequest();
                // Add to the subscriber list
                SubscribedScada.Add(selectedScadaSchema);

            using (NcHandler ncHandler = new NcHandler())
            {
                ncHandler.Connect();
                // Read the selected scada data
                CmsError cmsError = ncHandler.ReadScadaData(selectedScadaSchema, out DTOScadaModel values);
                if (cmsError.IsError())
                    return BadRequest(cmsError.localizationKey);
                
                return Ok(values);
            }
        }

        [Route("unsubscribe/{scadaId:int}")]
        public IHttpActionResult UnsubscribeScada(int scadaId)
        {
            using (NcHandler ncHandler = new NcHandler())
            {
                // Find scada by id
                ScadaSchemaModel scadaToRemove = SubscribedScada
                    .Where(x => x.Id == scadaId)
                    .FirstOrDefault();

                if (scadaToRemove == null)
                    return BadRequest();
                // Remove from the subiscriber list
                SubscribedScada.Remove(scadaToRemove);

                return Ok();
            }
        }

        [Route("production")]
        public IHttpActionResult GetProductionPageList()
        {
            using(NcHandler ncHandler = new NcHandler())
            {
                ncHandler.Connect();
                CmsError cmsError = ncHandler.ReadScadasData(ProductionScadaSchema, out List<DTOScadaModel> values);
                if (cmsError.IsError())
                    return BadRequest(cmsError.localizationKey);


                ScadaDataAndSchema data = new ScadaDataAndSchema()
                {
                    schemes = ProductionScadaSchema,
                    values = values
                };

                return Ok(data);
            }
        }

        public class ScadaDataAndSchema
        {
            public List<ScadaSchemaModel> schemes;
            public List<DTOScadaModel> values;
        }
    }
}