"""Settings model module for LSCSIM."""

from __future__ import annotations

from typing import TYPE_CHECKING, Any

from pytola_sim.lscsim.interfaces.icomponent import IComponent
from pytola_sim.lscsim.utils.logger import get_logger

if TYPE_CHECKING:
    from pytola_sim.lscsim.interfaces.imainctrl import IMainCtrl


logger = get_logger(__name__)


class SettingsComponent(IComponent):
    """Settings component implementing IComponent interface."""

    def __init__(self) -> None:
        self._main_ctrl: IMainCtrl | None = None
        self._component_id = "Settings"
        self._is_initialized = False
        self._settings: dict[str, Any] = {}
        self._user_profiles: list[dict[str, Any]] = []
        logger.info("SettingsComponent created")

    def get_id(self) -> str:
        """Get component ID."""
        return self._component_id

    def set_main_ctrl(self, main_ctrl: IMainCtrl) -> None:
        """Set main controller reference."""
        self._main_ctrl = main_ctrl
        logger.debug(f"Main controller set for {self._component_id}")

    def init(self) -> None:
        """Initialize component."""
        if not self._is_initialized:
            logger.info(f"Initializing {self._component_id}")
            self._load_default_settings()
            self._load_sample_users()
            self._is_initialized = True

    def release(self) -> None:
        """Release component resources."""
        logger.info(f"Releasing {self._component_id}")
        self._settings.clear()
        self._user_profiles.clear()
        self._is_initialized = False

    def get_interface_count(self) -> int:
        """Get number of interfaces provided by this component."""
        return 1

    def get_interface_id(self, index: int) -> str:
        """Get interface ID by index."""
        if index == 0:
            return "ISettingsCommands"
        return ""

    def get_interface_ptr(self, interface_id: str) -> object | None:
        """Get interface pointer by ID."""
        if interface_id == "ISettingsCommands":
            return self
        return None

    def execute_command(
        self,
        command_id: str,
        in_param: object = None,
        out_param: object = None,
    ) -> bool:
        """Execute settings command."""
        logger.debug(f"Executing command: {command_id}")

        command_handlers = {
            "Settings.LoadSettings": self._load_settings,
            "Settings.SaveSettings": self._save_settings,
            "Settings.UpdateSetting": self._update_setting,
            "Settings.ResetSettings": self._reset_settings,
            "Settings.LoadUserProfiles": self._load_user_profiles,
            "Settings.AddUserProfile": self._add_user_profile,
            "Settings.UpdateUserProfile": self._update_user_profile,
            "Settings.DeleteUserProfile": self._delete_user_profile,
            "Settings.SetActiveUser": self._set_active_user,
            "Settings.ValidatePaths": self._validate_paths,
            "Settings.TestConnections": self._test_connections,
            "Settings.ExportConfiguration": self._export_configuration,
        }

        handler = command_handlers.get(command_id)
        if handler:
            try:
                result = handler(in_param, out_param)
                logger.info(f"Command {command_id} executed successfully")
            except (RuntimeError, ValueError, OSError):
                logger.exception(f"Command {command_id} failed")
                return False
        else:
            logger.warning(f"Unknown command: {command_id}")
            return False
        return result

    def _load_settings(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Load settings from configuration."""
        logger.info("Loading settings from configuration")
        if isinstance(out_param, dict):
            out_param["settings"] = self._settings.copy()
        return True

    def _save_settings(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Save settings to configuration."""
        logger.info("Saving settings to configuration")
        # Implementation for saving settings
        return True

    def _update_setting(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Update specific setting."""
        setting_key = in_param.get("key") if isinstance(in_param, dict) else None
        setting_value = in_param.get("value") if isinstance(in_param, dict) else None

        if setting_key is not None:
            logger.info(f"Updating setting {setting_key} = {setting_value}")
            self._settings[setting_key] = setting_value
            return True
        return False

    def _reset_settings(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Reset settings to defaults."""
        logger.info("Resetting settings to defaults")
        self._load_default_settings()
        return True

    def _load_user_profiles(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Load user profiles."""
        logger.info("Loading user profiles")
        if isinstance(out_param, dict):
            out_param["profiles"] = self._user_profiles.copy()
        return True

    def _add_user_profile(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Add new user profile."""
        profile_data = in_param if isinstance(in_param, dict) else {}
        logger.info(f"Adding user profile: {profile_data.get('username', 'Unknown')}")

        profile_data.setdefault("id", len(self._user_profiles) + 1)
        self._user_profiles.append(profile_data)
        return True

    def _update_user_profile(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Update existing user profile."""
        profile_id = in_param.get("id") if isinstance(in_param, dict) else None
        update_data = in_param.get("data", {}) if isinstance(in_param, dict) else {}

        logger.info(f"Updating user profile ID: {profile_id}")

        for i, profile in enumerate(self._user_profiles):
            if profile.get("id") == profile_id:
                self._user_profiles[i].update(update_data)
                return True
        return False

    def _delete_user_profile(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Delete user profile."""
        profile_id = in_param if not isinstance(in_param, dict) else in_param.get("id")
        logger.info(f"Deleting user profile ID: {profile_id}")

        self._user_profiles = [p for p in self._user_profiles if p.get("id") != profile_id]
        return True

    def _set_active_user(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Set active user profile."""
        user_id = in_param if not isinstance(in_param, dict) else in_param.get("user_id")
        logger.info(f"Setting active user ID: {user_id}")

        # Find and activate user
        for profile in self._user_profiles:
            profile["active"] = profile.get("id") == user_id

        self._settings["active_user_id"] = user_id
        return True

    def _validate_paths(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Validate software paths and directories."""
        logger.info("Validating software paths")
        # Implementation for path validation
        validation_results = {
            "solver_paths": True,
            "working_directories": True,
            "temp_directories": True,
        }

        if isinstance(out_param, dict):
            out_param["validation"] = validation_results
        return True

    def _test_connections(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Test external software connections."""
        logger.info("Testing external software connections")
        # Implementation for connection testing
        connection_results = {
            "license_server": True,
            "database_connection": True,
            "solver_access": True,
        }

        if isinstance(out_param, dict):
            out_param["connections"] = connection_results
        return True

    def _export_configuration(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Export configuration settings."""
        export_format = in_param.get("format", "json") if isinstance(in_param, dict) else "json"
        logger.info(f"Exporting configuration in {export_format} format")
        # Implementation for configuration export
        return True

    def _load_default_settings(self) -> None:
        """Load default application settings."""
        self._settings = {
            "general": {
                "language": "zh-CN",
                "theme": "default",
                "auto_save": True,
                "auto_save_interval": 300,
            },
            "paths": {
                "working_directory": "~/LSCSIM_Work",
                "temp_directory": "~/LSCSIM_Temp",
                "solver_path": "C:/Program Files/LS-DYNA",
                "results_directory": "~/LSCSIM_Results",
            },
            "solver": {
                "default_solver": "lsdyna",
                "max_cores": 8,
                "memory_limit_gb": 16,
                "license_check": True,
            },
            "display": {
                "graphics_backend": "opengl",
                "render_quality": "high",
                "anti_aliasing": True,
            },
            "security": {
                "password_required": False,
                "audit_logging": True,
                "data_encryption": False,
            },
        }
        logger.info("Default settings loaded")

    def _load_sample_users(self) -> None:
        """Load sample user profiles for demonstration."""
        sample_users = [
            {
                "id": 1,
                "username": "admin",
                "role": "administrator",
                "permissions": ["full_access"],
                "active": True,
                "last_login": "2024-01-15T10:30:00",
            },
            {
                "id": 2,
                "username": "engineer",
                "role": "engineer",
                "permissions": ["modeling", "analysis"],
                "active": False,
                "last_login": "2024-01-14T14:20:00",
            },
            {
                "id": 3,
                "username": "viewer",
                "role": "viewer",
                "permissions": ["view_only"],
                "active": False,
                "last_login": "2024-01-13T09:15:00",
            },
        ]

        self._user_profiles.extend(sample_users)
        logger.info(f"Loaded {len(sample_users)} sample user profiles")
