using mapper.attributes;
using System;
namespace sharpwawi.models
{
    [MappingConstraint(FieldMappingConstraint = MappingConstraints.ANNOTATEDONLY,PropertyMappingConstraint = MappingConstraints.ALL)]
    public class AssemblyComponent
    {
        [PrimaryKey]
        public PartAssembly Assembly { get; private set; }
        [PrimaryKey]
        public Part Component { get; private set; }

        public int Position { get; set; }
        public double Quantity { get; set; }

        public AssemblyComponent()
        {
        }

        public AssemblyComponent(PartAssembly assembly,Part component, double quantity)
        {
            this.Assembly = assembly;
            this.Component = component;
            this.Quantity = quantity;
            this.Position = 0;
        }




        public override int GetHashCode()
        {
            return Assembly.GetHashCode() ^ Component.GetHashCode();
        }

        /**
         * Equals()
         * 
         * check if an AssemblyComponent instance describes the same Part as Component of an Assembly
         * Differenting Quantities are ignored!
         * 
         **/
        public override bool Equals(object obj)
        {
            if (obj is AssemblyComponent)
            {
                AssemblyComponent other = (AssemblyComponent)obj;
                return Assembly.Equals(other.Assembly) && Component.Equals(other.Component);
            }
            return false;
        }


    }
}