using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using Microsoft.CodeAnalysis.CSharp.Scripting;
using Microsoft.CodeAnalysis.Scripting;
using System.Threading.Tasks;

namespace Benchmark
{
    public class Program
    {
        private ScriptOptions options = ScriptOptions.Default.WithOptimizationLevel(Microsoft.CodeAnalysis.OptimizationLevel.Release);
        private ScriptState state;
        private string code = "";
        private Script script;

        [GlobalSetup]
        public void Setup()
        {
            state = CSharpScript.RunAsync("int y = 0;", options).Result;
            script = CSharpScript.Create("1+1", options);
            script.Compile();
        }

        [Benchmark]
        public async Task FirstRun()
        {
            await CSharpScript.RunAsync("int x = 1 + 1;", options);
        }

        [Benchmark]
        public async Task StateContinue()
        {
            state = await state.ContinueWithAsync("y += 1;", options);
        }
        [Benchmark]
        public async Task Precompiled()
        {
            await script.RunAsync();
        }

        static void Main(string[] args)
        {
            var summary = BenchmarkRunner.Run<Program>();
        }
    }
}