Added version and help cli command

src/cpl_cli/cli.py

@@ -1,5 +1,11 @@
+from typing import Optional
+
 from cpl.application.application_abc import ApplicationABC
 from cpl.console.console import Console
+from cpl_cli.command import Command
+from cpl_cli.command_handler import CommandHandler
+from cpl_cli.commands.help import Help
+from cpl_cli.commands.version import Version
 
 
 class CLI(ApplicationABC):
@@ -7,14 +13,21 @@ class CLI(ApplicationABC):
     def __init__(self):
         ApplicationABC.__init__(self)
 
-    def configure(self):
-        if self._services is None:
-            Console.error('Service provider is empty')
-            exit()
+        self._command_handler: Optional[CommandHandler] = None
 
-        if self._configuration is None:
-            Console.error('Configuration is empty')
-            exit()
+    def configure(self):
+        self._command_handler: CommandHandler = self._services.get_service(CommandHandler)
+
+        # self._command_handler.add_command(Command('build', ['b', 'B']))
+        self._command_handler.add_command(Command('help', ['h', 'H'], self._services.get_service(Help)))
+        # self._command_handler.add_command(Command('new', ['n', 'N']))
+        # self._command_handler.add_command(Command('publish', ['p', 'P']))
+        self._command_handler.add_command(Command('version', ['v', 'V'], self._services.get_service(Version)))
 
     def main(self):
-        Console.write_line(self._configuration)
+        if len(self._configuration.additional_arguments) < 1:
+            Console.error(f'Expected command')
+            Console.error('Run \'cpl help\'')
+            return
+
+        self._command_handler.handle(self._configuration.additional_arguments[0], self._configuration.additional_arguments[1:])