using System;
using System.Linq;
using GameOfLife;
using GameOfLife.Entities;
using GameOfLife.IO;
using NUnit.Framework;

namespace GameOfLifeTests
{
    public class ApgcodeDecoderTests
    {
        [Test]
        public void ConvertToUintTest()
        {
            Assert.AreEqual(0, ApgcodeDecoder.ConvertToUint('0'));
            Assert.AreEqual(9, ApgcodeDecoder.ConvertToUint('9'));
            Assert.AreEqual(10, ApgcodeDecoder.ConvertToUint('a'));
            Assert.AreEqual(11, ApgcodeDecoder.ConvertToUint('b'));
        }

        [Test]
        public void ExpandAbbreviationsTests()
        {
            Assert.AreEqual("00", ApgcodeDecoder.ExpandAbbreviations("w"));
            Assert.AreEqual("000", ApgcodeDecoder.ExpandAbbreviations("x"));
            Assert.AreEqual("00000", ApgcodeDecoder.ExpandAbbreviations("wx"));
            Assert.AreEqual("0000", ApgcodeDecoder.ExpandAbbreviations("y0"));
            Assert.AreEqual("00000", ApgcodeDecoder.ExpandAbbreviations("y1"));
            Assert.AreEqual(new string('0', 39), ApgcodeDecoder.ExpandAbbreviations("yz"));
        }

        [Test]
        public void Headerless_DecodeTests()
        {
            var apgcodeDecoder = new ApgcodeDecoder("0ca178b96z69d1d96");

            foreach (var line in apgcodeDecoder.Pattern.ToGrid())
            {
                Console.WriteLine(line);
            }
        }
        [Test]
        public void Xs_DecodeTests()
        {
            var apgcodeDecoder = new ApgcodeDecoder("xs4_33");
            Assert.AreEqual(4, apgcodeDecoder.Pattern.Count);
            Assert.AreEqual(PatternType.StillLife, apgcodeDecoder.Metadata.Type);
            Assert.AreEqual("4", apgcodeDecoder.Metadata.Comments.First());
        }
    }
}