using FeMM.Common.Helpers;
using FeMM.Common.Models;
using FeMM.Grasshopper.DataTypes.FeMM;
using FeMM.Grasshopper.Helpers;
using Grasshopper.Kernel;
using Grasshopper.Kernel.Parameters;
using System;
using System.Collections.Generic;

namespace FeMM.Grasshopper.Components.Definitions
{
    public class LoadCaseConstructionStageComponent : GH_Component
    {
        /// <summary>
        /// Initializes a new instance of the LoadCaseComponent class.
        /// </summary>
        public LoadCaseConstructionStageComponent()
          : base("Stage Construction Load Case", "SCLC", "A stage construction load case definition", CategoryNameConstants.CATEGORY_FEMM, CategoryNameConstants.SUBCATEGORY_DEFINITIONS)
        {
        }

        /// <summary>
        /// Registers all the input parameters for this component.
        /// </summary>
        protected override void RegisterInputParams(GH_InputParamManager pManager)
        {
            pManager.AddTextParameter("Name", "N", "The load case name", GH_ParamAccess.item);
            pManager.AddGenericParameter("Construction Stages", "CS", "A list of construction stage", GH_ParamAccess.list);
            int i = pManager.AddIntegerParameter("Save Options", "O", "The operation type", GH_ParamAccess.item, 0);
            var mtParam = pManager[i] as Param_Integer;
            foreach (Enum en in Enum.GetValues(typeof(StageConstructionLoadCaseModel.StagedSaveOptions)))
                mtParam.AddNamedValue(en.GetDescription(), (int)(StageConstructionLoadCaseModel.StagedSaveOptions)en);
            i = pManager.AddGenericParameter("Initial Load Case", "ILC", "This is blank, None, or the name of an existing analysis case. " +
                "This item specifies if the load case starts from zero initial conditions, that is, an unstressed state, " +
                "or if it starts from the state at the end of a nonlinear static or nonlinear direct integration time history.\r\n" +
                "If the specified initial case is a nonlinear static or nonlinear direct integration time history load case, " +
                "the state at the end of that case is used. If the initial case is anything else, " +
                "zero initial conditions are assumed.\r\n", GH_ParamAccess.item);
            pManager[i].Optional = true;
        }

        /// <summary>
        /// Registers all the output parameters for this component.
        /// </summary>
        protected override void RegisterOutputParams(GH_OutputParamManager pManager)
        {
            pManager.AddGenericParameter("Construction Stage Load Case", "CSLC", "The defined load case", GH_ParamAccess.item);
        }

        /// <summary>
        /// This is the method that actually does the work.
        /// </summary>
        /// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
        protected override void SolveInstance(IGH_DataAccess DA)
        {
            string name = "";
            var constructionStage = new List<GH_ConstructionStage>();
            int saveOptions = 0;
            GH_Case gH_LoadCase = null;

            if (!DA.GetData(0, ref name))
                return;
            if (!DA.GetDataList(1, constructionStage))
                return;
            DA.GetData(2, ref saveOptions);
            DA.GetData(3, ref gH_LoadCase);

            LoadCaseModel loadCaseModel = null;
            if (gH_LoadCase != null)
            {
                if (gH_LoadCase.Value != null && gH_LoadCase.Value is LoadCaseModel lccc)
                    loadCaseModel = new LoadCaseModel(lccc);
                else
                {
                    AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Input case must be a load case");
                    return;
                }
            }

            var stageConstructionLoadCaseModel = new StageConstructionLoadCaseModel(name)
            {
                StagedSaveOption = (StageConstructionLoadCaseModel.StagedSaveOptions)saveOptions,
                InitialCase = gH_LoadCase != null ? loadCaseModel : null,
            };

            for (int i = 0; i < constructionStage.Count; i++)
                stageConstructionLoadCaseModel.ConstructionStages.Add(constructionStage[i].Value);

            Message = name;

            DA.SetData(0, new GH_Case(stageConstructionLoadCaseModel));
        }

        public override GH_Exposure Exposure => GH_Exposure.senary;

        protected override System.Drawing.Bitmap Icon => Properties.Resources.LoadCaseStageIcon;

        public override Guid ComponentGuid => new("5caad23b-a9e1-43b1-9f74-5011caf71d89");
    }
}