"""
映射控制器
协调映射管理的UI和业务逻辑
"""
from typing import List, Optional

from services.mapping_service import MappingService
from services.graph_service import GraphService
from models.mapping import OperatorMapping, CodeMapping, CompositeMapping, Mapping
from models.mapping_graph import MappingGraph, GraphNode, GraphEdge
from utils.logger import get_logger

logger = get_logger(__name__)


class MappingController:
    """映射控制器类"""

    def __init__(self):
        self.mapping_service = MappingService()
        self.graph_service = GraphService()

    def create_operator_mapping(self, mapping_data: dict) -> tuple[bool, str, Optional[int]]:
        """
        创建操作符映射

        Args:
            mapping_data: 映射数据字典

        Returns:
            (是否成功, 消息, 映射ID)
        """
        try:
            # 这里需要从字典构建OperatorMapping对象
            # 简化处理，实际应用中需要更完善的转换逻辑
            return False, "需要实现从字典创建映射对象的逻辑", None
        except Exception as e:
            logger.error(f"Controller: Failed to create operator mapping: {e}")
            return False, f"创建操作符映射失败: {str(e)}", None

    def create_code_mapping(self, mapping_data: dict) -> tuple[bool, str, Optional[int]]:
        """
        创建代码映射

        Args:
            mapping_data: 映射数据字典

        Returns:
            (是否成功, 消息, 映射ID)
        """
        try:
            return False, "需要实现从字典创建映射对象的逻辑", None
        except Exception as e:
            logger.error(f"Controller: Failed to create code mapping: {e}")
            return False, f"创建代码映射失败: {str(e)}", None

    def delete_mapping(self, mapping_id: int) -> tuple[bool, str]:
        """
        删除映射

        Args:
            mapping_id: 映射ID

        Returns:
            (是否成功, 消息)
        """
        return self.mapping_service.delete_mapping(mapping_id)

    def get_mapping(self, mapping_id: int) -> Optional[Mapping]:
        """
        获取映射

        Args:
            mapping_id: 映射ID

        Returns:
            映射对象或None
        """
        return self.mapping_service.get_mapping_by_id(mapping_id)

    def get_mapping_graph(self) -> Optional[MappingGraph]:
        """
        获取映射图

        Returns:
            映射图对象或None
        """
        return self.mapping_service.get_mapping_graph()

    def find_shortest_path(self, source_id: int, target_id: int) -> Optional[tuple]:
        """
        查找最短路径

        Args:
            source_id: 源字段ID
            target_id: 目标字段ID

        Returns:
            (路径, 权重) 或 None
        """
        graph = self.get_mapping_graph()
        if not graph:
            return None

        return self.graph_service.find_shortest_path(graph, source_id, target_id)

    def add_node_to_graph(self, node: GraphNode) -> tuple[bool, str]:
        """
        向映射图添加节点

        Args:
            node: 图节点

        Returns:
            (是否成功, 消息)
        """
        return self.mapping_service.add_node_to_graph(node)

    def add_edge_to_graph(self, edge: GraphEdge) -> tuple[bool, str, Optional[int]]:
        """
        向映射图添加边

        Args:
            edge: 图边

        Returns:
            (是否成功, 消息, 边ID)
        """
        return self.mapping_service.add_edge_to_graph(edge)