/*************************************************************************
 * ModernUO                                                              *
 * Copyright (C) 2019-2021 - ModernUO Development Team                   *
 * Email: hi@modernuo.com                                                *
 * File: SourceGeneration.Attribute.cs                                   *
 *                                                                       *
 * This program is free software: you can redistribute it and/or modify  *
 * it under the terms of the GNU General Public License as published by  *
 * the Free Software Foundation, either version 3 of the License, or     *
 * (at your option) any later version.                                   *
 *                                                                       *
 * You should have received a copy of the GNU General Public License     *
 * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
 *************************************************************************/

using System.Collections.Immutable;
using System.Text;
using Microsoft.CodeAnalysis;

namespace SourceGeneration
{
    public static partial class SourceGeneration
    {
        public static void GenerateAttribute(this StringBuilder source, string attrClassName, ImmutableArray<TypedConstant> args)
        {
            source.Append($"        [{attrClassName}");
            var hasArgs = args.Length > 0;

            if (hasArgs)
            {
                source.Append("(");
            }

            for (var i = 0; i < args.Length; i++)
            {
                var arg = args[i];
                source.GenerateTypedConstant(arg);
                if (i < args.Length - 1)
                {
                    source.Append(", ");
                }
            }

            if (hasArgs)
            {
                source.Append(")");
            }

            source.AppendLine("]");
        }

        public static void GenerateAttribute(this StringBuilder source, AttributeData attr)
        {
            source.Append($"        [{attr.AttributeClass?.Name}");
            var ctorArgs = attr.ConstructorArguments;
            var namedArgs = attr.NamedArguments;
            var hasArgs = ctorArgs.Length + namedArgs.Length > 0;

            if (hasArgs)
            {
                source.Append("(");
            }

            for (var i = 0; i < ctorArgs.Length; i++)
            {
                var arg = ctorArgs[i];
                source.GenerateTypedConstant(arg);
                if (i < ctorArgs.Length - 1)
                {
                    source.Append(", ");
                }
            }

            for (var i = 0; i < namedArgs.Length; i++)
            {
                var arg = namedArgs[i];
                source.GenerateNamedArgument(arg);
                if (i < namedArgs.Length - 1)
                {
                    source.Append(", ");
                }
            }

            if (hasArgs)
            {
                source.Append(")");
            }

            source.AppendLine("]");
        }
    }
}