feat: update config logic with new philosophy

fastanime/cli/cli.py

@@ -0,0 +1,54 @@
+import click
+from click.core import ParameterSource
+
+from .. import __version__
+from .utils.lazyloader import LazyGroup
+from .utils.logging import setup_logging
+from .config import AppConfig, ConfigLoader
+from .constants import USER_CONFIG_PATH
+from .options import options_from_model
+
+commands = {
+    "config": ".config",
+}
+
+
+@click.version_option(__version__, "--version")
+@click.option("--no-config", is_flag=True, help="Don't load the user config file.")
+@click.group(cls=LazyGroup, root="fastanime.cli.commands", lazy_subcommands=commands)
+@options_from_model(AppConfig)
+@click.pass_context
+def cli(ctx: click.Context, no_config: bool, **kwargs):
+    """
+    The main entry point for the FastAnime CLI.
+    """
+    setup_logging(
+        kwargs.get("log", False),
+        kwargs.get("log_file", False),
+        kwargs.get("rich_traceback", False),
+    )
+
+    loader = ConfigLoader(config_path=USER_CONFIG_PATH)
+    config = AppConfig.model_validate({}) if no_config else loader.load()
+
+    # update app config with command line parameters
+    for param_name, param_value in ctx.params.items():
+        source = ctx.get_parameter_source(param_name)
+        if source == ParameterSource.COMMANDLINE:
+            parameter = None
+            for param in ctx.command.params:
+                if param.name == param_name:
+                    parameter = param
+                    break
+            if (
+                parameter
+                and hasattr(parameter, "model_name")
+                and hasattr(parameter, "field_name")
+            ):
+                model_name = getattr(parameter, "model_name")
+                field_name = getattr(parameter, "field_name")
+                if hasattr(config, model_name):
+                    model_instance = getattr(config, model_name)
+                    if hasattr(model_instance, field_name):
+                        setattr(model_instance, field_name, param_value)
+    ctx.obj = config