using Hi.Disp.Flag;
using Hi.Disp;
using Hi.Machining.MachiningEquipmentUtils;
using Hi.Mech.Topo;
using Hi.Numerical;
using Hi.Numerical.NcArgs;
using System.Collections;
using System;
using Hi.Geom;
using System.Linq;

namespace Sample.Disp
{
    /// <summary>
    /// Displayee for Heidenhain coordinate entry visualization.
    /// </summary>
    public class HeidenhainCoordinateEntryDisplayee : IAnchoredDisplayee
    {
        /// <summary>
        /// Gets or sets whether to show Heidenhain datum preset information.
        /// </summary>
        public bool ShowHeidenhainDatumPreset { get; set; } = true;
        /// <summary>
        /// Gets or sets whether to show Heidenhain datum shift information.
        /// </summary>
        public bool ShowHeidenhainDatumShift { get; set; } = true;
        /// <summary>
        /// Gets or sets the function that provides the NcEnv instance.
        /// </summary>
        public Func<HardNcEnv> NcEnvFunc { get; set; }
        /// <summary>
        /// Gets or sets the function that provides the machining equipment.
        /// </summary>
        public Func<IMachiningEquipment> MillingEquipmentFunc { get; set; }
        HardNcEnv NcEnv => NcEnvFunc?.Invoke();
        /// <summary>
        /// Gets or sets the Heidenhain Cycle Def 247 Q339 value.
        /// </summary>
        public int HeidenhainCycleDef247Q339 { get; set; }
        /// <summary>
        /// Gets or sets the Heidenhain Cycle Def 7 arguments.
        /// </summary>
        public HeidenhainCycleDef7Arg HeidenhainCycleDef7Arg { get; set; }

        /// <summary>
        /// Initializes a new instance.
        /// </summary>
        /// <param name="ncEnvFunc">The function that provides the NcEnv instance.</param>
        /// <param name="millingEquipmentSource">The function that provides the machining equipment.</param>
        public HeidenhainCoordinateEntryDisplayee(Func<HardNcEnv> ncEnvFunc, Func<IMachiningEquipment> millingEquipmentSource)
        {
            NcEnvFunc = ncEnvFunc;
            MillingEquipmentFunc = millingEquipmentSource;
        }
        /// <inheritdoc/>
        public void Display(Bind bind)
        {
            HardNcEnv ncEnv = NcEnv;
            if (ncEnv == null || NcEnv.CncBrand != CncBrand.Heidenhain)
                return;

            ////Console.WriteLine($"B: {CoordinateIndex}; {coordinateMove}");
            Vec3d mcXyz_AttacherAtTableBuckleZero = MillingEquipmentFunc?.Invoke()
                ?.GetMachinePositionAtTableBuckleZero();
            if (mcXyz_AttacherAtTableBuckleZero == null)
                return;

            Vec3d coordinateMove;
            string text;
            if (HeidenhainCycleDef247Q339 == 0 && HeidenhainCycleDef7Arg == null)
                return;
            coordinateMove = NcFlagUtil.GetHeidenhainCoordinateOffset(
                HeidenhainCycleDef247Q339, HeidenhainCycleDef7Arg, ncEnv);
            //Console.WriteLine($"HeidenhainCycleDef7Arg: {HeidenhainCycleDef7Arg==null}");
            string datumPresetText = null;
            if (HeidenhainCycleDef247Q339 != 0 && ShowHeidenhainDatumPreset)
                datumPresetText = $"Datum Preset Q339={HeidenhainCycleDef247Q339}";
            string datumShiftText = null;
            if (HeidenhainCycleDef7Arg != null && ShowHeidenhainDatumShift)
                datumShiftText = $"Datum Shift: {HeidenhainCycleDef7Arg?.ToString() ?? "None"}";
            text = string.Join(", ",
                (new string[] { datumPresetText, datumShiftText }).
                Where(v => v != null));
            //text = $"Datum Preset Q339={HeidenhainCycleDef247Q339}, Datum Shift: #1";
            //Console.WriteLine($"text: [{text}]");

            bind.ModelMatStack.Push();
            bind.ModelMatStack.Trans(coordinateMove - mcXyz_AttacherAtTableBuckleZero);
            CoordinateDrawing.Display(bind, text);
            bind.ModelMatStack.Pop();
        }
        /// <inheritdoc/>
        public void ExpandToBox3d(Box3d dst)
        {
            HardNcEnv ncEnv = NcEnv;
            if (ncEnv == null || NcEnv.CncBrand != CncBrand.Heidenhain)
                return;

            Vec3d mcXyz_AttacherAtTableBuckleZero = MillingEquipmentFunc?.Invoke()
                ?.GetMachinePositionAtTableBuckleZero();
            if (mcXyz_AttacherAtTableBuckleZero == null)
                return;
            Vec3d coordinateMove;
            if (HeidenhainCycleDef247Q339 == 0 && HeidenhainCycleDef7Arg == null)
                return;
            coordinateMove = NcFlagUtil.GetHeidenhainCoordinateOffset(
                HeidenhainCycleDef247Q339, HeidenhainCycleDef7Arg, ncEnv);


            dst.Expand(-mcXyz_AttacherAtTableBuckleZero + coordinateMove);
        }
        /// <inheritdoc/>
        public Anchor GetAnchor()
        {
            return MillingEquipmentFunc?.Invoke()?.GetMachiningChain()
                ?.GetTableBuckle()?.GetAnchor();
        }
    }
}