#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
组件配置管理模块
负责加载和管理任务编辑器中使用的组件配置
"""

import os
import json
from typing import Dict, List, Any, Optional
from utils.logger import get_logger

logger = get_logger("utils.component_manager")

class ComponentManager:
    """组件配置管理类"""
    
    def __init__(self) -> None:
        """初始化组件管理器"""
        # 组件配置目录
        self._components_dir = os.path.join(os.path.dirname(os.path.dirname(__file__)), 'config', 'components')
        # 组件类别缓存
        self._components_cache: Dict[str, Any] = {}
        # 组件类型映射
        self._block_types: Dict[str, Any] = {}
        # 按顺序排列的组件类别
        self._ordered_categories: List[Dict[str, Any]] = []
        # 加载所有组件
        self._load_all_components()
    
    def _load_all_components(self) -> None:
        """加载所有组件配置文件"""
        try:
            if not os.path.exists(self._components_dir):
                logger.error(f"组件目录不存在: {self._components_dir}")
                return
            
            # 加载所有组件配置文件
            for filename in os.listdir(self._components_dir):
                if filename.endswith('.json'):
                    component_type = os.path.splitext(filename)[0]
                    file_path = os.path.join(self._components_dir, filename)
                    try:
                        with open(file_path, 'r', encoding='utf-8') as f:
                            component_data = json.load(f)
                            self._components_cache[component_type] = component_data
                            
                            # 记录每个block类型对应的信息
                            if 'blocks' in component_data:
                                for block in component_data['blocks']:
                                    self._block_types[block['name']] = block
                    except Exception as e:
                        logger.error(f"加载组件配置文件失败: {file_path}, 错误: {str(e)}")
            
            # 按order排序分类
            ordered_categories = sorted(
                [comp for comp in self._components_cache.values()],
                key=lambda x: x.get('order', 999)
            )
            self._ordered_categories = ordered_categories
            
            logger.info(f"已加载 {len(self._components_cache)} 个组件分类，共 {len(self._block_types)} 个组件类型")
        except Exception as e:
            logger.error(f"加载组件配置失败: {str(e)}")
    
    def get_all_blocks(self) -> List[Dict[str, Any]]:
        """获取所有组件分类及其对应的组件"""
        return self._ordered_categories
    
    def get_block_type(self, block_type: str) -> Optional[Dict[str, Any]]:
        """获取指定类型的组件定义"""
        return self._block_types.get(block_type)
    
    def get_component_category(self, category: str) -> Optional[Dict[str, Any]]:
        """获取指定分类的组件配置"""
        return self._components_cache.get(category)
    
    def reload_components(self) -> None:
        """重新加载所有组件配置"""
        self._components_cache = {}
        self._block_types = {}
        self._ordered_categories = []
        self._load_all_components()

# 创建组件管理器单例
component_manager = ComponentManager()