feat(11): enabled cask server with simple template

14-rock-paper-scissors/src/main/scala/rockpaperscissors/Main.scala

@@ -1,21 +1,67 @@
 package rockpaperscissors
 
 import mainargs.{main, arg, ParserForMethods}
+import cask.main.Routes
+import org.thymeleaf.context.Context
+import org.thymeleaf.templateresolver.ClassLoaderTemplateResolver
+import org.thymeleaf.TemplateEngine
 
 object Main {
   @main def run(
-    @arg(
-      name = "port",
-      short = 'p',
-      doc = "Port on which server will start serving"
-    )
+      @arg(
+        name = "port",
+        short = 'p',
+        doc = "Port on which server will start serving"
+      )
       portArg: Int = 8080,
-    @arg(name = "host", doc = "Host on which server will start serving.")
+      @arg(name = "host", doc = "Host on which server will start serving.")
       hostArg: String = "localhost"
   ): Unit = {
-    val a = 1
     println(s"Will start server on ${hostArg}:${portArg}")
+    val server = new cask.Main {
+      override def allRoutes: Seq[Routes] = Seq(AppRoutes())
+      override def port: Int = portArg
+      override def host: String = hostArg
+    }
+    server.main(Array.empty)
+  }
+
+  def main(args: Array[String]): Unit =
+  {
+    println(s"got args : $args")
+    ParserForMethods(this).runOrExit(args)
+  }
+
+  case class AppRoutes()(implicit cc: castor.Context, log: cask.Logger)
+      extends cask.Routes {
+    val templateResolver = new ClassLoaderTemplateResolver()
+    templateResolver.setPrefix("templates/");
+    templateResolver.setSuffix(".html")
+    templateResolver.setTemplateMode("HTML5")
+
+    val templateEngine = new TemplateEngine()
+    templateEngine.setTemplateResolver(templateResolver)
+
+    @cask.get("/")
+    def index() = {
+      val context = new Context()
+      context.setVariable(
+        "myVar",
+        "Hello, from Scala world"
+      )
+      val result = templateEngine.process("index", context)
+      cask.Response(
+        result,
+        headers = Seq("Content-Type" -> "text/html;charset=UTF-8")
+      )
+    }
+
+    @cask.staticFiles("/dist")
+    def distFiles() = "dist"
+    @cask.staticFiles("/public")
+    def publicFiles() = "public"
+
+    initialize()
   }
 
-  def main(args: Array[String]) = ParserForMethods(this).runOrExit(args)
 }