using System;
using System.Reflection;

namespace ProtoBuf;

[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field, AllowMultiple = false, Inherited = true)]
public class ProtoMemberAttribute : Attribute, IComparable, IComparable<ProtoMemberAttribute>
{
	internal MemberInfo Member;

	internal MemberInfo BackingMember;

	internal bool TagIsPinned;

	private string name;

	private DataFormat dataFormat;

	private int tag;

	private MemberSerializationOptions options;

	public string Name
	{
		get
		{
			return name;
		}
		set
		{
			name = value;
		}
	}

	public DataFormat DataFormat
	{
		get
		{
			return dataFormat;
		}
		set
		{
			dataFormat = value;
		}
	}

	public int Tag => tag;

	public bool IsRequired
	{
		get
		{
			return (options & MemberSerializationOptions.Required) == MemberSerializationOptions.Required;
		}
		set
		{
			if (value)
			{
				options |= MemberSerializationOptions.Required;
			}
			else
			{
				options &= ~MemberSerializationOptions.Required;
			}
		}
	}

	public bool IsPacked
	{
		get
		{
			return (options & MemberSerializationOptions.Packed) == MemberSerializationOptions.Packed;
		}
		set
		{
			if (value)
			{
				options |= MemberSerializationOptions.Packed;
			}
			else
			{
				options &= ~MemberSerializationOptions.Packed;
			}
		}
	}

	public bool OverwriteList
	{
		get
		{
			return (options & MemberSerializationOptions.OverwriteList) == MemberSerializationOptions.OverwriteList;
		}
		set
		{
			if (value)
			{
				options |= MemberSerializationOptions.OverwriteList;
			}
			else
			{
				options &= ~MemberSerializationOptions.OverwriteList;
			}
		}
	}

	public bool AsReference
	{
		get
		{
			return (options & MemberSerializationOptions.AsReference) == MemberSerializationOptions.AsReference;
		}
		set
		{
			if (value)
			{
				options |= MemberSerializationOptions.AsReference;
			}
			else
			{
				options &= ~MemberSerializationOptions.AsReference;
			}
			options |= MemberSerializationOptions.AsReferenceHasValue;
		}
	}

	internal bool AsReferenceHasValue
	{
		get
		{
			return (options & MemberSerializationOptions.AsReferenceHasValue) == MemberSerializationOptions.AsReferenceHasValue;
		}
		set
		{
			if (value)
			{
				options |= MemberSerializationOptions.AsReferenceHasValue;
			}
			else
			{
				options &= ~MemberSerializationOptions.AsReferenceHasValue;
			}
		}
	}

	public bool DynamicType
	{
		get
		{
			return (options & MemberSerializationOptions.DynamicType) == MemberSerializationOptions.DynamicType;
		}
		set
		{
			if (value)
			{
				options |= MemberSerializationOptions.DynamicType;
			}
			else
			{
				options &= ~MemberSerializationOptions.DynamicType;
			}
		}
	}

	public MemberSerializationOptions Options
	{
		get
		{
			return options;
		}
		set
		{
			options = value;
		}
	}

	public int CompareTo(object other)
	{
		return CompareTo(other as ProtoMemberAttribute);
	}

	public int CompareTo(ProtoMemberAttribute other)
	{
		if (other == null)
		{
			return -1;
		}
		if (this == other)
		{
			return 0;
		}
		int num = tag.CompareTo(other.tag);
		if (num == 0)
		{
			num = string.CompareOrdinal(name, other.name);
		}
		return num;
	}

	public ProtoMemberAttribute(int tag)
		: this(tag, forced: false)
	{
	}

	internal ProtoMemberAttribute(int tag, bool forced)
	{
		if (tag <= 0 && !forced)
		{
			throw new ArgumentOutOfRangeException("tag");
		}
		this.tag = tag;
	}

	internal void Rebase(int tag)
	{
		this.tag = tag;
	}
}