using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Sunweaver.Parsing
{
    public class CoduleDefinition
    {
        public string identifier;

        public short desiredCoduleIndex;

        public Token coduleDefinitionToken;

        public List<Token> tokens = new List<Token>();

        public override bool Equals(object obj)
        {
            if (obj is CoduleDefinition)
            {
                return Equals(obj as CoduleDefinition);
            }
            else
            {
                return false;
            }
        }

        public bool Equals(CoduleDefinition other)
        {
            return identifier.Equals(other.identifier) &&
                desiredCoduleIndex.Equals(other.desiredCoduleIndex) &&
                tokens.SequenceEqual(other.tokens) &&
                (
                    (coduleDefinitionToken == null && other.coduleDefinitionToken == null) ||
                    (coduleDefinitionToken != null && coduleDefinitionToken.Equals(other.coduleDefinitionToken))
                );
        }

        public override int GetHashCode()
        {
            return base.GetHashCode();
        }

        public override string ToString()
        {
            return identifier + "(" + 
                (coduleDefinitionToken == null ? "null" : coduleDefinitionToken.ToString()) + ", " + desiredCoduleIndex + "): " 
                + tokens.Aggregate("", (x, y) => x += " \n" + y.ToString());
        }
    }
}