src/cpl_cli/command/add_service.py

@@ -1,5 +1,6 @@
 import json
-import os.path
+import os
+import textwrap
 from typing import Optional
 
 from cpl.configuration.configuration_abc import ConfigurationABC
@@ -24,6 +25,11 @@ class AddService(CommandABC):
 
         self._workspace = workspace
 
+    @property
+    def help_message(self) -> str:
+        return textwrap.dedent("""\
+        """)
+
     @staticmethod
     def _edit_project_file(source: str, project_settings: ProjectSettings, build_settings: BuildSettings):
         with open(source, 'w') as file:

src/cpl_cli/command/build_service.py

@@ -1,3 +1,5 @@
+import textwrap
+
 from cpl_cli.command_abc import CommandABC
 from cpl_cli.publish.publisher_abc import PublisherABC
 
@@ -13,6 +15,11 @@ class BuildService(CommandABC):
 
         self._publisher = publisher
 
+    @property
+    def help_message(self) -> str:
+        return textwrap.dedent("""\
+        """)
+
     def run(self, args: list[str]):
         """
         Entry point of command

src/cpl_cli/command/generate_service.py

@@ -1,4 +1,5 @@
 import os
+import textwrap
 from collections import Callable
 
 from cpl.configuration.configuration_abc import ConfigurationABC
@@ -55,6 +56,11 @@ class GenerateService(CommandABC):
         self._config = configuration
         self._env = self._config.environment
 
+    @property
+    def help_message(self) -> str:
+        return textwrap.dedent("""\
+        """)
+
     @staticmethod
     def _help(message: str):
         """

src/cpl_cli/command/help_service.py

@@ -1,22 +1,49 @@
+import textwrap
+from typing import Optional
+
 from cpl.console.console import Console
 from cpl.console.foreground_color_enum import ForegroundColorEnum
+from cpl.dependency_injection.service_provider_abc import ServiceProviderABC
+from cpl_cli.command_handler_service import CommandHandler
 from cpl_cli.command_abc import CommandABC
 
 
 class HelpService(CommandABC):
 
-    def __init__(self):
+    def __init__(self, services: ServiceProviderABC, cmd_handler: CommandHandler):
         """
         Service for CLI command help
         """
         CommandABC.__init__(self)
 
+        self._services = services
+        self._commands = cmd_handler.commands
+
+    @property
+    def help_message(self) -> str:
+        return textwrap.dedent("""\
+        """)
+
     def run(self, args: list[str]):
         """
         Entry point of command
         :param args:
         :return:
         """
+        if len(args) > 0:
+            command_name = args[0]
+            command: Optional[CommandABC] = None
+            for cmd in self._commands:
+                if cmd.name == command_name:
+                    command = self._services.get_service(cmd.command)
+
+            if command is None:
+                Console.error(f'Invalid argument: {command_name}')
+
+            Console.write_line(command.help_message)
+
+            return
+
         Console.write_line('Available Commands:')
         commands = [
             ['add (a|a)', 'Adds a project reference to given project.'],

src/cpl_cli/command/install_service.py

@@ -1,6 +1,7 @@
 import json
 import os
 import subprocess
+import textwrap
 
 from packaging import version
 
@@ -39,6 +40,11 @@ class InstallService(CommandABC):
 
         self._project_file = f'{self._config.get_configuration("ProjectName")}.json'
 
+    @property
+    def help_message(self) -> str:
+        return textwrap.dedent("""\
+        """)
+
     def _install_project(self):
         """
         Installs dependencies of CPl project

src/cpl_cli/command/new_service.py

@@ -1,5 +1,6 @@
 import os
 import sys
+import textwrap
 from typing import Optional
 
 from packaging import version
@@ -46,6 +47,11 @@ class NewService(CommandABC):
         self._use_startup: bool = False
         self._use_service_providing: bool = False
 
+    @property
+    def help_message(self) -> str:
+        return textwrap.dedent("""\
+        """)
+
     @staticmethod
     def _help(message: str):
         """

src/cpl_cli/command/publish_service.py

@@ -1,3 +1,5 @@
+import textwrap
+
 from cpl_cli.command_abc import CommandABC
 from cpl_cli.publish.publisher_abc import PublisherABC
 
@@ -13,6 +15,11 @@ class PublishService(CommandABC):
 
         self._publisher = publisher
 
+    @property
+    def help_message(self) -> str:
+        return textwrap.dedent("""\
+        """)
+
     def run(self, args: list[str]):
         """
         Entry point of command

src/cpl_cli/command/remove_service.py

@@ -1,6 +1,7 @@
 import os
 import shutil
 import json
+import textwrap
 
 from cpl.configuration.configuration_abc import ConfigurationABC
 from cpl.console.console import Console
@@ -25,6 +26,11 @@ class RemoveService(CommandABC):
 
         self._workspace: WorkspaceSettings = self._config.get_configuration(WorkspaceSettings)
 
+    @property
+    def help_message(self) -> str:
+        return textwrap.dedent("""\
+        """)
+
     @staticmethod
     def _create_file(file_name: str, content: dict):
         if not os.path.isabs(file_name):

src/cpl_cli/command/start_service.py

@@ -1,3 +1,5 @@
+import textwrap
+
 from cpl_cli.command_abc import CommandABC
 from cpl_cli.live_server.live_server_service import LiveServerService
 
@@ -13,6 +15,11 @@ class StartService(CommandABC):
 
         self._live_server = live_server
 
+    @property
+    def help_message(self) -> str:
+        return textwrap.dedent("""\
+        """)
+
     def run(self, args: list[str]):
         """
         Entry point of command

src/cpl_cli/command/uninstall_service.py

@@ -1,6 +1,7 @@
 import json
 import os
 import subprocess
+import textwrap
 
 from cpl.configuration.configuration_abc import ConfigurationABC
 from cpl.console.console import Console
@@ -31,6 +32,11 @@ class UninstallService(CommandABC):
         self._build_settings = build_settings
         self._project_settings = project_settings
 
+    @property
+    def help_message(self) -> str:
+        return textwrap.dedent("""\
+        """)
+
     def run(self, args: list[str]):
         """
         Entry point of command

src/cpl_cli/command/update_service.py

@@ -1,6 +1,7 @@
 import json
 import os
 import subprocess
+import textwrap
 
 from cpl.configuration.configuration_abc import ConfigurationABC
 from cpl.console.console import Console
@@ -38,6 +39,11 @@ class UpdateService(CommandABC):
         self._project_settings = project_settings
         self._cli_settings = cli_settings
 
+    @property
+    def help_message(self) -> str:
+        return textwrap.dedent("""\
+        """)
+
     def _collect_project_dependencies(self) -> list[tuple]:
         """
         Collects project dependencies

src/cpl_cli/command/version_service.py

@@ -2,6 +2,7 @@ import pkgutil
 import sys
 import platform
 import pkg_resources
+import textwrap
 
 import cpl
 import cpl_cli
@@ -18,6 +19,11 @@ class VersionService(CommandABC):
         """
         CommandABC.__init__(self)
 
+    @property
+    def help_message(self) -> str:
+        return textwrap.dedent("""\
+        """)
+
     def run(self, args: list[str]):
         """
         Entry point of command

src/cpl_cli/command_abc.py

@@ -7,5 +7,9 @@ class CommandABC(ABC):
     def __init__(self):
         ABC.__init__(self)
 
+    @property
+    @abstractmethod
+    def help_message(self) -> str: pass
+
     @abstractmethod
     def run(self, args: list[str]): pass

src/cpl_cli/startup.py

@@ -53,7 +53,9 @@ class Startup(StartupABC):
             ConsoleArgument('', 'settings', ['st', 'ST'], ' '),
             ConsoleArgument('', 'thread', ['t', 't'], ' ')
         ]))
-        self._configuration.add_console_argument(ConsoleArgument('', 'help', ['h', 'H'], ''))
+        self._configuration.add_console_argument(
+            ConsoleArgument('', 'help', ['h', 'H'], ' ', is_value_token_optional=True)
+        )
         self._configuration.add_console_argument(
             ConsoleArgument('', 'install', ['i', 'I'], ' ', is_value_token_optional=True)
         )