"""Help model module for LSCSIM."""

from __future__ import annotations

import operator
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 HelpComponent(IComponent):
    """Help component implementing IComponent interface."""

    def __init__(self) -> None:
        self._main_ctrl: IMainCtrl | None = None
        self._component_id = "Help"
        self._is_initialized = False
        self._documentation: dict[str, Any] = {}
        self._tutorials: list[dict[str, Any]] = []
        self._faq_items: list[dict[str, Any]] = []
        logger.info("HelpComponent 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_documentation()
            self._load_tutorials()
            self._load_faq()
            self._is_initialized = True

    def release(self) -> None:
        """Release component resources."""
        logger.info(f"Releasing {self._component_id}")
        self._documentation.clear()
        self._tutorials.clear()
        self._faq_items.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 "IHelpCommands"
        return ""

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

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

        command_handlers = {
            "Help.ShowDocumentation": self._show_documentation,
            "Help.SearchDocumentation": self._search_documentation,
            "Help.GetTOC": self._get_table_of_contents,
            "Help.ShowTutorial": self._show_tutorial,
            "Help.ListTutorials": self._list_tutorials,
            "Help.GetTutorialProgress": self._get_tutorial_progress,
            "Help.MarkTutorialComplete": self._mark_tutorial_complete,
            "Help.ShowFAQ": self._show_faq,
            "Help.SearchFAQ": self._search_faq,
            "Help.SubmitQuestion": self._submit_question,
            "Help.ShowAbout": self._show_about,
            "Help.CheckUpdates": self._check_updates,
            "Help.ShowSystemInfo": self._show_system_info,
        }

        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 _show_documentation(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Show documentation content."""
        doc_topic = in_param.get("topic") if isinstance(in_param, dict) else "index"
        logger.info(f"Showing documentation topic: {doc_topic}")

        # Get documentation content
        content = self._get_documentation_content(doc_topic)
        if isinstance(out_param, dict):
            out_param["content"] = content
        return True

    def _search_documentation(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Search documentation by keywords."""
        search_terms = in_param.get("terms") if isinstance(in_param, dict) else str(in_param)
        logger.info(f"Searching documentation for: {search_terms}")

        results = self._search_docs(search_terms)
        if isinstance(out_param, dict):
            out_param["results"] = results
        return True

    def _get_table_of_contents(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Get documentation table of contents."""
        logger.info("Getting documentation table of contents")

        toc = self._build_toc()
        if isinstance(out_param, dict):
            out_param["toc"] = toc
        return True

    def _show_tutorial(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Show tutorial content."""
        tutorial_id = in_param.get("tutorial_id") if isinstance(in_param, dict) else str(in_param)
        logger.info(f"Showing tutorial: {tutorial_id}")

        tutorial = self._get_tutorial(tutorial_id)
        if isinstance(out_param, dict):
            out_param["tutorial"] = tutorial
        return True

    def _list_tutorials(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """List available tutorials."""
        logger.info("Listing available tutorials")

        if isinstance(out_param, dict):
            out_param["tutorials"] = self._tutorials.copy()
        return True

    def _get_tutorial_progress(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Get user tutorial progress."""
        logger.info("Getting tutorial progress")

        progress = self._calculate_progress()
        if isinstance(out_param, dict):
            out_param["progress"] = progress
        return True

    def _mark_tutorial_complete(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Mark tutorial as complete."""
        tutorial_id = in_param.get("tutorial_id") if isinstance(in_param, dict) else str(in_param)
        logger.info(f"Marking tutorial complete: {tutorial_id}")

        # Update tutorial status
        for tutorial in self._tutorials:
            if tutorial.get("id") == tutorial_id:
                tutorial["completed"] = True
                tutorial["completion_date"] = self._get_current_timestamp()
                break
        return True

    def _show_faq(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Show FAQ content."""
        category = in_param.get("category") if isinstance(in_param, dict) else "general"
        logger.info(f"Showing FAQ category: {category}")

        faq_list = [item for item in self._faq_items if item.get("category") == category]
        if isinstance(out_param, dict):
            out_param["faq_items"] = faq_list
        return True

    def _search_faq(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Search FAQ by keywords."""
        search_terms = in_param.get("terms") if isinstance(in_param, dict) else str(in_param)
        logger.info(f"Searching FAQ for: {search_terms}")

        results = self._search_faq_items(search_terms)
        if isinstance(out_param, dict):
            out_param["results"] = results
        return True

    def _submit_question(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Submit user question."""
        question = in_param.get("question") if isinstance(in_param, dict) else str(in_param)
        logger.info(f"Submitting user question: {question[:50]}...")

        # Implementation for question submission
        return True

    def _show_about(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Show about dialog information."""
        logger.info("Showing about information")

        about_info = {
            "application": "LSCSIM",
            "version": "0.1.0",
            "description": "Python-based Simulation System",
            "copyright": "© 2024 LSCSIM Team",
            "website": "https://github.com/lscsim/lscsim",
            "license": "MIT License",
        }

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

    def _check_updates(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Check for software updates."""
        logger.info("Checking for software updates")

        # Implementation for update checking
        update_info = {
            "current_version": "0.1.0",
            "latest_version": "0.1.0",
            "update_available": False,
        }

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

    def _show_system_info(self, in_param: Any, out_param: Any) -> bool:  # noqa: ANN401
        """Show system information."""
        logger.info("Showing system information")

        import platform
        import sys

        system_info = {
            "os": platform.system(),
            "os_version": platform.version(),
            "architecture": platform.architecture()[0],
            "python_version": sys.version,
            "python_implementation": platform.python_implementation(),
        }

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

    def _get_documentation_content(self, topic: str) -> dict[str, Any]:
        """Get documentation content for a topic."""
        return self._documentation.get(
            topic,
            {"title": "未找到主题", "content": "该主题暂无文档"},
        )

    def _search_docs(self, terms: str) -> list[dict[str, Any]]:
        """Search documentation content."""
        results = []
        terms_lower = terms.lower()

        for topic, content in self._documentation.items():
            if (
                terms_lower in topic.lower()
                or terms_lower in content.get("title", "").lower()
                or terms_lower in content.get("content", "").lower()
            ):
                results.append(
                    {
                        "topic": topic,
                        "title": content.get("title", ""),
                        "match_score": self._calculate_match_score(terms_lower, content),
                    },
                )

        return sorted(results, key=operator.itemgetter("match_score"), reverse=True)

    def _build_toc(self) -> list[dict[str, Any]]:
        """Build table of contents structure."""
        return [
            {"title": "入门指南", "section": "getting_started"},
            {"title": "基础操作", "section": "basic_operations"},
            {"title": "高级功能", "section": "advanced_features"},
            {"title": "故障排除", "section": "troubleshooting"},
        ]

    def _get_tutorial(self, tutorial_id: str) -> dict[str, Any] | None:
        """Get tutorial by ID."""
        for tutorial in self._tutorials:
            if tutorial.get("id") == tutorial_id:
                return tutorial
        return None

    def _calculate_progress(self) -> dict[str, Any]:
        """Calculate tutorial completion progress."""
        total = len(self._tutorials)
        completed = len([t for t in self._tutorials if t.get("completed", False)])

        return {
            "total_tutorials": total,
            "completed_tutorials": completed,
            "completion_percentage": (completed / total * 100) if total > 0 else 0,
        }

    def _search_faq_items(self, terms: str) -> list[dict[str, Any]]:
        """Search FAQ items."""
        terms_lower = terms.lower()

        return [
            item
            for item in self._faq_items
            if terms_lower in item.get("question", "").lower()
            or terms_lower in item.get("answer", "").lower()
            or terms_lower in item.get("category", "").lower()
        ]

    def _calculate_match_score(self, terms: str, content: dict[str, Any]) -> float:
        """Calculate search match score."""
        score = 0.0
        content_text = f"{content.get('title', '')} {content.get('content', '')}".lower()

        for term in terms.split():
            if term in content_text:
                score += 1.0

        return score

    def _get_current_timestamp(self) -> str:
        """Get current timestamp."""
        from datetime import datetime, timezone

        return datetime.now(timezone.utc).isoformat()

    def _load_documentation(self) -> None:
        """Load documentation content."""
        self._documentation = {
            "index": {
                "title": "LSCSIM 用户手册",
                "content": "欢迎使用 LSCSIM 仿真系统...",
            },
            "getting_started": {
                "title": "快速入门",
                "content": "本节介绍如何快速开始使用 LSCSIM...",
            },
            "project_management": {
                "title": "项目管理",
                "content": "项目创建、保存、打开等操作说明...",
            },
        }
        logger.info("Documentation loaded")

    def _load_tutorials(self) -> None:
        """Load tutorial content."""
        self._tutorials = [
            {
                "id": "intro_01",
                "title": "LSCSIM 基础入门",
                "description": "了解 LSCSIM 的基本概念和界面布局",
                "estimated_time": "15分钟",
                "difficulty": "初级",
                "completed": False,
            },
            {
                "id": "modeling_01",
                "title": "几何建模基础",
                "description": "学习如何创建基本几何体和进行布尔运算",
                "estimated_time": "30分钟",
                "difficulty": "中级",
                "completed": False,
            },
        ]
        logger.info(f"Loaded {len(self._tutorials)} tutorials")

    def _load_faq(self) -> None:
        """Load FAQ content."""
        self._faq_items = [
            {
                "id": 1,
                "category": "installation",
                "question": "如何安装 LSCSIM?",
                "answer": "可以通过 pip install lscsim 或下载安装包进行安装...",
            },
            {
                "id": 2,
                "category": "usage",
                "question": "如何创建新项目?",
                "answer": "点击菜单栏 文件 -> 新建项目, 或使用快捷键 Ctrl+N...",
            },
        ]
        logger.info(f"Loaded {len(self._faq_items)} FAQ items")
