using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Xml.Serialization;
using Deltares.Standard;
using Deltares.Standard.Attributes;
using Deltares.Standard.EventPublisher;
using DotSpatial.Projections;

namespace Deltares.Dam.Data.UISupport
{
    public class DAMNewProjectData : IVisibleEnabled
    {
        private DamProjectType damProjectType;
        private string damDataSourceFileName;
        private string damProjectFileName;
        private string sensorConfigurationFileName;
        private DamType damType = DamType.Primary;
        private List<string> selectedDikeRingIds = new List<string>();
        private string dataSourceEsriProjection;
        private string dataSourceProjectionName;
        private bool dataSourceProjectionUserDefined;

        [Label("Calculation type")]
        [Description("Indicates the purpose of the calculations")]
        [XmlIgnore]
        public DamProjectType DamProjectType
        {
            get { return damProjectType; }
            set
            {
                DataEventPublisher.BeforeChange(this, "DamProjectType");
                damProjectType = value;
                DataEventPublisher.AfterChange(this, "DamProjectType");
            }
        }

        [Label("DAM datasource file")]
        [Description("Indicates which \".defx\" import definition file to use")]
        [XmlIgnore]
        public string DamDataSourceFileName
        {
            get { return damDataSourceFileName; }
            set
            {
                DataEventPublisher.BeforeChange(this, "DamDataSourceFileName");
                damDataSourceFileName = value;
                DataEventPublisher.AfterChange(this, "DamDataSourceFileName");
            }
        }

        [XmlIgnore]
        public string SensorConfigurationFileName
        {
            get { return sensorConfigurationFileName; }
            set
            {
                DataEventPublisher.BeforeChange(this, "SensorConfigurationFileName");
                sensorConfigurationFileName = value;
                DataEventPublisher.AfterChange(this, "SensorConfigurationFileName");
            }
        }

        [XmlIgnore]
        public string DamProjectFileName
        {
            get { return damProjectFileName; }
            set
            {
                DataEventPublisher.BeforeChange(this, "DamProjectFileName");
                damProjectFileName = value;
                DataEventPublisher.AfterChange(this, "DamProjectFileName");
            }
        }

        [Label("Dike type")]
        [Description("Indicates the type of dike")]
        [XmlIgnore]
        public DamType DamType
        {
            get { return damType; }
            set
            {
                DataEventPublisher.BeforeChange(this, "DamType");
                damType = value;
                DataEventPublisher.AfterChange(this, "DamType");
            }
        }
        
        [XmlIgnore]
        public string DataSourceEsriProjection
        {
            get { return dataSourceEsriProjection; }
            set
            {
                DataEventPublisher.BeforeChange(this, "DataSourceEsriProjection");
                dataSourceEsriProjection = value;
                DataEventPublisher.AfterChange(this, "DataSourceEsriProjection");
                try
                {
                    var projection =  ProjectionInfo.FromEsriString(value);
                    DataSourceProjectionName = projection.Name ?? projection.ToString();
                }
                catch (Exception)
                {
                    DataSourceProjectionName = "Invalid projection";
                }
            }
        }

        [XmlIgnore]
        [ReadOnly(true)]
        public string DataSourceProjectionName
        {
            get { return dataSourceProjectionName; }
            set
            {
                DataEventPublisher.BeforeChange(this, "DataSourceProjectionName");
                dataSourceProjectionName = value;
                DataEventPublisher.AfterChange(this, "DataSourceProjectionName");
            }
        }

        /// <summary>
        /// Selects the sensor configuration file.
        /// </summary>
        [Label("...")]
        public void SelectSensorConfigurationFile()
        {
            // This method is needed for the databinding to DamNewProjectDialog 
            // The IsEnabled is implemented in this class
            // The UI code itself is implemented in the DamNewProjectDialog itself
        }

        /// <summary>
        /// Selects the projection.
        /// </summary>
        public void SelectProjection()
        {
            // This method is needed for the databinding to DamNewProjectDialog 
            // The IsEnabled is implemented in this class
            // The UI code itself is implemented in the DamNewProjectDialog itself
        }

        public List<string> SelectedDikeRingIds
        {
            get { return selectedDikeRingIds; }
            set { selectedDikeRingIds = value; }
        }

        public bool DataSourceProjectionUserDefined
        {
            get { return dataSourceProjectionUserDefined; }
            set { dataSourceProjectionUserDefined = value; }
        }

        public bool IsVisible(string property)
        {
            if (property == "SelectProjection")
            {
                return (string.IsNullOrEmpty(DataSourceEsriProjection) || DataSourceProjectionUserDefined);
            }
            return true;
        }

        public bool IsEnabled(string property)
        {
            if ((property == "SensorConfigurationFileName") || (property == "SelectSensorConfigurationFile"))
            {
                return (DamProjectType == DamProjectType.DamLiveConfiguration);
            }
            return true;
        }
    }
}