namespace AdventOfCode.HelperClasses;

public record IntegerRange(long start, long end)
{
    public long Count() => end - start + 1;

    public bool Contains(long number) => start <= number && end >= number;

    public bool TryCombine(IntegerRange other, out IntegerRange combined)
    {
        if (Contains(other.start))
        {
            var isEndInRange = Contains(other.end);
            combined = isEndInRange ? this : this with {end = other.end};
            return true;
        }
        
        if (other.Contains(start))
        {
            var isEndInRange = other.Contains(end);
            combined = isEndInRange ? other : other with {end = end};
            return true;
        }

        combined = this;
        return false;
    }
}