// Copyright (c) .NET Foundation and contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.

using System;
using System.Linq;

namespace TLens.Analyzers
{
    sealed class InterfaceDispatchAnalyzer : InterfacesAnalyzer
    {
        public override void PrintResults(int maxCount)
        {
            var entries = usage.OrderBy(l => l.Value.Count).ThenByDescending(l => GetImplementationCount(l.Key)).Take(maxCount);
            if (!entries.Any())
                return;

            PrintHeader("Possibly optimizable interface dispatch");

            foreach (var item in entries)
            {
                Console.WriteLine($"Interface {item.Key.FullName} is implemented {GetImplementationCount(item.Key)} times and called only at");

                foreach (var location in item.Value)
                {
                    Console.WriteLine($"\t{location.ToDisplay()}");
                }

                Console.WriteLine();
            }
        }
    }
}