From deb634c61debbcc8537401a43b1955a31c5ae8ea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Franti=C5=A1ek=20Boh=C3=A1=C4=8Dek?=
 <fandabohacek@gmail.com>
Date: Sun, 15 Jan 2023 10:19:49 +0100
Subject: [PATCH] feat: process files from cli

---
 src/Anonymizer.CLI/Anonymizer.CLI.csproj | 15 ++++
 src/Anonymizer.CLI/Options.cs            | 33 +++++++++
 src/Anonymizer.CLI/Program.cs            | 91 ++++++++++++++++++++++++
 3 files changed, 139 insertions(+)
 create mode 100644 src/Anonymizer.CLI/Options.cs
 create mode 100644 src/Anonymizer.CLI/Program.cs

diff --git a/src/Anonymizer.CLI/Anonymizer.CLI.csproj b/src/Anonymizer.CLI/Anonymizer.CLI.csproj
index 6836c68..5de6e9e 100644
--- a/src/Anonymizer.CLI/Anonymizer.CLI.csproj
+++ b/src/Anonymizer.CLI/Anonymizer.CLI.csproj
@@ -4,6 +4,21 @@
         <TargetFramework>net7.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
+        <OutputType>Exe</OutputType>
     </PropertyGroup>
 
+    <ItemGroup>
+      <PackageReference Include="CommandLineParser" Version="2.9.1" />
+      <PackageReference Include="Microsoft.Extensions.Configuration" Version="7.0.0" />
+      <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="7.0.0" />
+      <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="7.0.0" />
+      <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="7.0.0" />
+      <PackageReference Include="NosSmooth.Packets" Version="3.3.1" />
+      <PackageReference Include="NosSmooth.PacketSerializer" Version="2.2.1" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\Anonymizer\Anonymizer.csproj" />
+    </ItemGroup>
+
 </Project>
diff --git a/src/Anonymizer.CLI/Options.cs b/src/Anonymizer.CLI/Options.cs
new file mode 100644
index 0000000..9d755e8
--- /dev/null
+++ b/src/Anonymizer.CLI/Options.cs
@@ -0,0 +1,33 @@
+//
+//  Options.cs
+//
+//  Copyright (c) František Boháček. All rights reserved.
+//  Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using CommandLine;
+
+namespace Anonymizer.CLI;
+
+/// <summary>
+/// CLI Options.
+/// </summary>
+public class Options
+{
+    /// <summary>
+    /// Gets or sets the input path.
+    /// </summary>
+    [Option('i', "input")]
+    public string Input { get; set; } = "input.log";
+
+    /// <summary>
+    /// Gets or sets the output path.
+    /// </summary>
+    [Option('o', "output")]
+    public string Output { get; set; } = "output.log";
+
+    /// <summary>
+    /// Gets or sets the config path.
+    /// </summary>
+    [Option('c', "config")]
+    public string Config { get; set; } = "config.json";
+}
\ No newline at end of file
diff --git a/src/Anonymizer.CLI/Program.cs b/src/Anonymizer.CLI/Program.cs
new file mode 100644
index 0000000..b634731
--- /dev/null
+++ b/src/Anonymizer.CLI/Program.cs
@@ -0,0 +1,91 @@
+//
+//  Program.cs
+//
+//  Copyright (c) František Boháček. All rights reserved.
+//  Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using System;
+using Anonymizer.Extensions;
+using Anonymizer.Filters;
+using Anonymizer.Sinks;
+using CommandLine;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Options;
+using NosSmooth.PacketSerializer.Extensions;
+using NosSmooth.PacketSerializer.Packets;
+
+namespace Anonymizer.CLI;
+
+/// <summary>
+/// A main class.
+/// </summary>
+public static class Program
+{
+    /// <summary>
+    /// A main method.
+    /// </summary>
+    /// <param name="args">The cli arguments.</param>
+    /// <returns>The exit code.</returns>
+    public static int Main(string[] args)
+    {
+        return Parser.Default.ParseArguments<Options>(args)
+            .MapResult
+            (
+                options => MakeAsync
+                        (new FileInfo(options.Input), new FileInfo(options.Output), new FileInfo(options.Config))
+                    .GetAwaiter().GetResult(),
+                _ => 1
+            );
+    }
+
+    private static async Task<int> MakeAsync(FileInfo input, FileInfo output, FileInfo config)
+    {
+        if (!input.Exists)
+        {
+            Console.Error.WriteLine("The input file does not exist.");
+            return 1;
+        }
+
+        if (output.Exists)
+        {
+            Console.Error.WriteLine("The output file already exists.");
+            return 1;
+        }
+
+        if (!config.Exists)
+        {
+            Console.Error.WriteLine($"The config file {config.FullName} does not exist.");
+            return 1;
+        }
+
+        IConfigurationRoot configuration = new ConfigurationBuilder()
+            .AddJsonFile(config.FullName)
+            .Build();
+
+        var services = new ServiceCollection()
+            .Configure<HeaderFilterOptions>(configuration.GetSection("HeaderFilter"))
+            .Configure<FileSinkOptions>(configuration.GetSection("PacketFile"))
+            .AddPacketSerialization()
+            .AddAnonymizer()
+            .BuildServiceProvider();
+
+        services.GetRequiredService<IPacketTypesRepository>().AddDefaultPackets();
+        var processor = services.GetRequiredService<PacketProcessor>();
+        using var fileSink = new FileSink
+        (
+            input.FullName,
+            output.FullName,
+            services.GetRequiredService<IOptions<FileSinkOptions>>().Value
+        );
+
+        var result = await processor.ProcessSourceDestination(fileSink, fileSink);
+        if (!result.IsSuccess)
+        {
+            Console.WriteLine(result.Error);
+        }
+
+        return 0;
+    }
+}
\ No newline at end of file
-- 
2.48.1