// Copyright (C) Stichting Deltares 2025. All rights reserved.
// 
// This file is part of the application DAM - UI.
// 
// DAM - UI is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// 
// All names, logos, and references to "Deltares" are registered trademarks of
// Stichting Deltares and remain full property of Stichting Deltares at all times.
// All rights reserved.

using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Xml.Serialization;
using Deltares.Dam.Data.UISupport;
using Deltares.Standard;
using Deltares.Standard.Attributes;
using Deltares.Standard.EventPublisher;
using Deltares.Standard.Language;
using Deltares.Standard.Validation;

namespace Deltares.Dam.Data;

/// <summary>
/// Represents the calculation specifications at project level for DAM.
/// These are the main choices that specify the calculation
/// </summary>
public class DamProjectCalculationSpecification : IVisibleEnabled, IDomain, IDisposable, ICloneable<DamProjectCalculationSpecification>
{
    private static AnalysisType selectedAnalysisType = AnalysisType.NoAdaption;
    private FailureMechanismSystemType failureMechanismSystemType;
    private PipingModelType pipingModelType = PipingModelType.Wti2017;
    private StabilityModelType stabilityModelType = StabilityModelType.UpliftVan;
    private Enum calculationModel = StabilityModelType.UpliftVan;
    private StabilityParameters stabilityParameters = new();
    private Boolean firstTime = true;

    public DamProjectCalculationSpecification()
    {
        failureMechanismSystemType = FailureMechanismSystemType.StabilityInside;
        stabilityParameters.SlipCircleDefinition.Specification = this;
        DataEventPublisher.OnAfterChange += DataEventPublisher_OnAfterChange;
        
    }

    public DamProjectCalculationSpecification Clone()
    {
        var damFailureMechanismCalculation = new DamProjectCalculationSpecification();
        
        if (stabilityParameters != null)
        {
            damFailureMechanismCalculation.StabilityParameters = stabilityParameters.Clone();
        }

        damFailureMechanismCalculation.Assign(this);

        return damFailureMechanismCalculation;
    }

    public override string ToString()
    {
        var description = "";
        description += $"{FailureMechanismSystemType}";
        if ((FailureMechanismSystemType == FailureMechanismSystemType.StabilityInside) ||
            (FailureMechanismSystemType == FailureMechanismSystemType.StabilityOutside))
        {
            //interface?
            description += $" ({StabilityModelType})";
        }

        return description;
    }
    
    /// <summary>
    /// The stability parameters.
    /// </summary>
    public StabilityParameters StabilityParameters
    {
        get
        {
            return stabilityParameters;
        }
        set
        {
            stabilityParameters = value;
            DataEventPublisher.AfterChange(this);
        }
    }

    /// <summary>
    /// The failure mechanism system type.
    /// </summary>
    [Label("Failure mechanism")]
    [PropertyOrder(1, 0)]
    public FailureMechanismSystemType FailureMechanismSystemType
    {
        get
        {
            return failureMechanismSystemType;
        }
        set
        {
            // Make sure the set is done for the very first time too even when the value has not changed (MWDAM-1199).
            if (failureMechanismSystemType != value || firstTime)
            {
                firstTime = false;
                DataEventPublisher.BeforeChange(this, "FailureMechanismSystemType");
                failureMechanismSystemType = value;
                // To solve MWDAM-592, remember the current pipingmodeltype as this gets reset by setting the
                // calculationmodel. Only switch it back when needed.
                PipingModelType oldPipingModelType = pipingModelType;
                CalculationModel = GetDomain("CalculationModel").Cast<Enum>().FirstOrDefault();

                if (failureMechanismSystemType == FailureMechanismSystemType.Piping)
                {
                    PipingModelType = oldPipingModelType;
                }

                DataEventPublisher.AfterChange(this, "FailureMechanismSystemType");
            }
        }
    }
    
    /// <summary>
    /// The dam project type.
    /// </summary>
    [Browsable(false)] public static DamProjectType DamProjectType { get; set; }
    
    /// <summary>
    /// The piping model type.
    /// </summary>
    [Browsable(false)]
    public PipingModelType PipingModelType
    {
        get
        {
            return pipingModelType;
        }
        set
        {
            pipingModelType = value;
            if (failureMechanismSystemType == FailureMechanismSystemType.Piping)
            {
                CalculationModel = pipingModelType;
            }
        }
    }
    
    /// <summary>
    /// The stability model type.
    /// </summary>
    [Browsable(false)]
    public StabilityModelType StabilityModelType
    {
        get
        {
            return stabilityModelType;
        }
        set
        {
            stabilityModelType = value;
            if (failureMechanismSystemType != FailureMechanismSystemType.Piping)
            {
                CalculationModel = value;
            }
        }
    }
    
    /// <summary>
    /// The calculationmodel is only needed to support the selection of the modeltype in the UI. The dropdownlist
    /// in the UI depends on this. This set can be filled with any proper types (for piping, stabilty etc) for any 
    /// mechanism instead of the fixed types per mechanism.
    /// </summary>
    [XmlIgnore]
    [Label("Model")]
    [PropertyOrder(1, 1)]
    public Enum CalculationModel
    {
        get
        {
            return calculationModel;
        }
        set
        {
            DataEventPublisher.BeforeChange(this, "CalculationModel");
            calculationModel = value;
            if (value is PipingModelType)
            {
                pipingModelType = (PipingModelType) value;
            }
            else
            {
                stabilityModelType = (StabilityModelType) value;
                if (stabilityModelType != StabilityModelType.Bishop)
                {
                    stabilityParameters.SearchMethod = StabilitySearchMethod.BeeSwarm;
                }
            }

            DataEventPublisher.AfterChange(this, "CalculationModel");
        }
    }

    /// <summary>
    /// Gets or sets the type of the selected analysis.
    /// </summary>
    /// <value>
    /// The type of the selected analysis.
    /// </value>
    [Label("Analysis type")]
    public static AnalysisType SelectedAnalysisType
    {
        get
        {
            return selectedAnalysisType;
        }
        set
        {
            // Create local instance of DamProjectCalculationSpecification because event handlers need sender
            var r = new DamProjectCalculationSpecification();
            DataEventPublisher.BeforeChange(r, "SelectedAnalysisType");
            selectedAnalysisType = value;
            DataEventPublisher.AfterChange(r, "SelectedAnalysisType");
        }
    }

    [XmlIgnore] [Browsable(false)] public IVisibleEnabledProvider VisibleEnabledProvider { get; set; }

    public void Dispose()
    {
        DataEventPublisher.OnAfterChange -= DataEventPublisher_OnAfterChange;
    }

    public ICollection GetDomain(string property)
    {
        switch (property)
        {
            case "CalculationModel":
                return ConfigurationManager.Instance.GetAvailableMechanismModels(DamProjectType, failureMechanismSystemType);
            case "PipingModelType":
                return ConfigurationManager.Instance.GetAvailableMechanismModels(DamProjectType, FailureMechanismSystemType.Piping);
            case "FailureMechanismSystemType":
                return ConfigurationManager.Instance.GetAvailableFailureMechanisms(DamProjectType);
            case "SelectedAnalysisType":
                return new[]
                {
                    AnalysisType.AdaptGeometry,
                    AnalysisType.NoAdaption
                };
            default: return null;
        }
    }

    public bool IsVisible(string property)
    {
        if (Equals(property, nameof(StabilityModelType)))
        {
            switch (FailureMechanismSystemType)
            {
                case FailureMechanismSystemType.StabilityInside: return true;
                case FailureMechanismSystemType.StabilityOutside: return false;
                case FailureMechanismSystemType.Piping: return false;
                default: return true;
            }
        }

        switch (property)
        {
            case "SelectedAnalysisType": return Location.DamProjectType == DamProjectType.Design;
            case "StabilityParameters": return FailureMechanismSystemType == FailureMechanismSystemType.StabilityInside || 
                                                  FailureMechanismSystemType == FailureMechanismSystemType.StabilityOutside;
            default: return true;
        }
    }

    public bool IsEnabled(string property)
    {
        if (Equals(nameof(CalculationModel), property)
            && FailureMechanismSystemType == FailureMechanismSystemType.StabilityOutside)
        {
            return false; // Disable model selection when stability outside is active, as only Bishop is currently supported.
        }
        switch (property)
        {
            default: return true;
        }
    }

    private void DataEventPublisher_OnAfterChange(object sender, PublishEventArgs e)
    {
        if (sender == stabilityParameters)
        {
            DataEventPublisher.AfterChange(this);
        }
    }
    
    private void Assign(DamProjectCalculationSpecification damFailureMechanismCalculation)
    {
        failureMechanismSystemType = damFailureMechanismCalculation.FailureMechanismSystemType;
        calculationModel = damFailureMechanismCalculation.CalculationModel;
        pipingModelType = damFailureMechanismCalculation.PipingModelType;
        stabilityModelType = damFailureMechanismCalculation.StabilityModelType;
        if (StabilityParameters != null)
        {
            StabilityParameters.Assign(damFailureMechanismCalculation.StabilityParameters);
        }
        else
        {
            StabilityParameters = null;
        }
    }
    
}