using Strata.RxNorm.Biz.RxNorm;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Linq;
using System.Reflection;

namespace Strata.RxNorm.Biz.Test.Unit.Extensions
{
    [ExcludeFromCodeCoverage]
    public static class RxnRelationExtension
    {
        public static IEnumerable<RxnRelation> LoadRxnRelations(this string fileName)
        {
            var assembly = Assembly.GetExecutingAssembly();
            var lines = assembly.LoadRxnNorm(fileName);
            return lines.Select(l => l.RelationCtor()).Where(r => !string.IsNullOrEmpty(r.Rxcui1)).ToList();
        }

        public static RxnRelation RelationCtor(this string line, string separator = "|")
        {
            var data = line.Split(separator).ToArray();
            var r = new RxnRelation();
            r.Rxcui1 = data[0];
            r.Rxaui1 = data[1];
            r.SType1 = data[2];
            r.Rel = data[3];
            r.Rxcui2 = data[4];
            r.Rxaui2 = data[5];
            r.SType2 = data[6];
            r.Rela = data[7];
            r.Rui = data[8];
            r.Srui = data[9];
            r.Sab = data[10];
            r.Sl = data[11];
            r.Rg = data[12];
            r.Dir = data[13];
            r.Suppress = data[14];
            r.Cvf = data[15];
            return r;
        }

    }
}