//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="StepLine.cs"
// Project: StgSharp
// AuthorGroup: Nitload Space
// Copyright (c) Nitload Space. All rights reserved.
//     
// Permission is hereby granted, free of charge, to any person 
// obtaining a copy of this software and associated documentation 
// files (the ¡°Software¡±), to deal in the Software without restriction, 
// including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, 
// and to permit persons to whom the Software is furnished to do so, 
// subject to the following conditions:
//     
// The above copyright notice and 
// this permission notice shall be included in all copies 
// or substantial portions of the Software.
//     
// THE SOFTWARE IS PROVIDED ¡°AS IS¡±, 
// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
// ARISING FROM, OUT OF OR IN CONNECTION WITH 
// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//     
// -----------------------------------------------------------------------
// -----------------------------------------------------------------------
using StgSharp.Mathematics;
using StgSharp.Model.Step;
using StgSharp.Script;
using StgSharp.Script.Express;

using System;
using System.Collections.Generic;

namespace StgSharp.Model.Step
{
    public class StepLine : StepCurve, IExpConvertableFrom<StepLine>
    {

        private StepCartesianPoint _point;
        private StepVector _vector;

        private StepLine(StepModel model) : base(model) { }

        public StepLine(StepModel model, StepCartesianPoint point, StepVector vector)
            : base(model)
        {
            Point = point;
            Vector = vector;
        }

        public StepCartesianPoint Point
        {
            get { return _point; }
            set
            {
                ArgumentNullException.ThrowIfNull(value);
                _point = value;
            }
        }

        public override StepItemType ItemType => StepItemType.Line;

        public StepVector Vector
        {
            get { return _vector; }
            set
            {
                ArgumentNullException.ThrowIfNull(value);
                _vector = value;
            }
        }

        public void FromInstance(StepLine entity)
        {
            base.FromInstance(entity);
            Point = entity.Point;
            Vector = entity.Vector;
        }

        public static StepLine FromPoints(
                               StepModel model,
                               float x1,
                               float y1,
                               float z1,
                               float x2,
                               float y2,
                               float z2)
        {
            StepCartesianPoint start = new StepCartesianPoint(model, x1, y1, z1);
            float dx = x2 - x1;
            float dy = y2 - y1;
            float dz = z2 - z1;
            float length = Scaler.Sqrt(dx * dx + dy * dy + dz * dz);
            float dxn = dx / length;
            float dyn = dy / length;
            float dzn = dz / length;
            StepVector vector = new StepVector(
                model, new StepDirection(model, dxn, dyn, dzn), length);
            return new StepLine(model, start, vector);
        }

        internal static StepLine FromSyntax(StepModel binder, ExpSyntaxNode syntaxList)
        {
            ExpNodePresidentEnumerator enumerator = new ExpNodePresidentEnumerator(syntaxList);
            StepLine line = new StepLine(binder);
            enumerator.AssertEnumeratorCount(3);
            line.Name = (enumerator[0]as ExpStringNode)!.Value;
            line.Point = binder[enumerator[1]] as StepCartesianPoint;
            line.Vector = binder[enumerator[2]] as StepVector;
            return line;
        }

    }
}