core: Implement System.CommandLine

Program.cs

@@ -1,17 +1,37 @@
 using EpubSharp;
+using System.CommandLine;
 using Smakolykytl2Epub.Models;
 using Smakolykytl2Epub.Utils;
 
+// CLI
+var titleIDOption = new Option<int>(
+    aliases: ["--title", "-t"],
+    description: "Title ID, can be taken from the link"
+) {IsRequired = true};
+    
+var chapterIDOption = new Option<int>(
+    aliases: ["--chapter", "-c"],
+    description: "Chapter ID, can be taken from the link"
+) {IsRequired = true};
+
+var rootCommand = new RootCommand("A simple ranobe loader for Smakolykytl :)");
+rootCommand.AddOption(titleIDOption);
+rootCommand.AddOption(chapterIDOption);
+
+// Run main program
+rootCommand.SetHandler(DownloadTitleAsync, titleIDOption, chapterIDOption);
+
+return rootCommand.InvokeAsync(args).Result;
+
+// Main Program
+static async Task DownloadTitleAsync(int titleID, int chapterID){
     var client = new HttpClient();
-
+    var projectTitle = await Ranobe.GetById(titleID);
-int titleId = int.Parse(args[0]);
+    if (projectTitle.project != null)
-int chapsterId = int.Parse(args[1]) - 1;
-
-var projectTitle = await Ranobe.GetById(titleId);
-if (projectTitle != null)
     {
         // Print
         var project = projectTitle.project;
+    
         Console.WriteLine(project.title);
         Console.WriteLine(project.alternatives);
         Console.WriteLine(project.description);
@@ -28,8 +48,8 @@ if (projectTitle != null)
             writer.SetCover(imageBytes, ImageFormat.Png);
         }
 
-    Books? books = await Ranobe.GetChaptersById(titleId);
+        Books? books = await Ranobe.GetChaptersById(titleID);
-    Book? book =  books.books[chapsterId];
+        Book? book =  books.books[chapterID];
 
         if (book != null)
         {
@@ -46,4 +66,7 @@ if (projectTitle != null)
             writer.Write(fileName);
             Console.WriteLine("Файл збережено як: {0}", fileName);
         }
+    } else {
+        Console.WriteLine("Нічого не знайшли :(");
+    }
 }

Smakolykytl2Epub.csproj

@@ -11,6 +11,7 @@
         <PackageReference Include="AngleSharp" Version="1.1.2" />
         <PackageReference Include="EpubSharp.dll" Version="1.1.5" />
         <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+        <PackageReference Include="System.CommandLine" Version="2.0.0-beta4.22272.1" />
     </ItemGroup>
 
 </Project>