//  This file is part of YamlDotNet - A .NET library for YAML.
//  Copyright (c) Antoine Aubry and contributors

//  Permission is hereby granted, free of charge, to any person obtaining a copy of
//  this software and associated documentation files (the "Software"), to deal in
//  the Software without restriction, including without limitation the rights to
//  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
//  of the Software, and to permit persons to whom the Software is furnished to do
//  so, subject to the following conditions:

//  The above copyright notice and this permission notice shall be included in all
//  copies or substantial portions of the Software.

//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
//  SOFTWARE.

using System;
using System.Collections.Generic;
using System.Linq;
using YamlDotNet.Serialization.TypeInspectors;

namespace YamlDotNet.Serialization
{
    /// <summary>
    /// Applies the Yaml* attributes to another <see cref="ITypeInspector"/>.
    /// </summary>
    public sealed class YamlAttributesTypeInspector : TypeInspectorSkeleton
    {
        private readonly ITypeInspector innerTypeDescriptor;

        public YamlAttributesTypeInspector(ITypeInspector innerTypeDescriptor)
        {
            this.innerTypeDescriptor = innerTypeDescriptor;
        }

        public override IEnumerable<IPropertyDescriptor> GetProperties(Type type, object container)
        {
            return innerTypeDescriptor.GetProperties(type, container)
                .Where(p => p.GetCustomAttribute<YamlIgnoreAttribute>() == null)
                .Select(p =>
                {
                    var descriptor = new PropertyDescriptor(p);
                    var member = p.GetCustomAttribute<YamlMemberAttribute>();
                    if (member != null)
                    {
                        if (member.SerializeAs != null)
                        {
                            descriptor.TypeOverride = member.SerializeAs;
                        }

                        descriptor.Order = member.Order;
                        descriptor.ScalarStyle = member.ScalarStyle;

                        if (member.Alias != null)
                        {
                            descriptor.Name = member.Alias;
                        }
                    }

                    return (IPropertyDescriptor)descriptor;
                })
                .OrderBy(p => p.Order);
        }
    }
}
