"""
PyAnsys V23 - Analysis Module
FEA mesh and analysis functionality
"""

from typing import Optional, List, Dict, Tuple, Any
from dataclasses import dataclass
from .geometry import Point
from .modeler import DesignBody


class ElementType:
    """Element type constants"""
    TETRAHEDRON = "Tetrahedron"
    TRIANGLE = "Triangle"
    LINE = "Line"
    PYRAMID = "Pyramid"
    PRISM = "Prism"
    HEXAHEDRON = "Hexahedron"


@dataclass
class MeshNode:
    """Represents a mesh node"""
    
    def __init__(self, node_id: int, point: Point):
        self._id = node_id
        self.point = point
    
    @property
    def id(self) -> int:
        """Get the node ID"""
        return self._id
    
    @property
    def Point(self) -> Point:
        """Get the location"""
        return self.point


class ElementType(str):
    """Enumeration of element types"""
    TETRAHEDRON = "Tetrahedron"
    TRIANGLE = "Triangle"
    LINE = "Line"
    PYRAMID = "Pyramid"
    PRISM = "Prism"
    HEXAHEDRON = "Hexahedron"


@dataclass
class VolumeElement:
    """Represents a volume mesh element"""
    
    def __init__(self, element_id: int, element_type: ElementType = ElementType.TETRAHEDRON):
        self._id = element_id
        self.type = element_type
        self.nodes: List[MeshNode] = []
    
    @property
    def id(self) -> int:
        """Get the element ID"""
        return self._id
    
    @property
    def Type(self) -> ElementType:
        """Get the element type"""
        return self.type


@dataclass
class FaceElement:
    """Represents a face mesh element"""
    
    def __init__(self, element_id: int, element_type: ElementType = ElementType.TRIANGLE):
        self._id = element_id
        self.type = element_type
        self.nodes: List[MeshNode] = []
    
    @property
    def id(self) -> int:
        """Get the element ID"""
        return self._id
    
    @property
    def Type(self) -> ElementType:
        """Get the element type"""
        return self.type


@dataclass
class EdgeElement:
    """Represents an edge mesh element"""
    
    def __init__(self, element_id: int, element_type: ElementType = ElementType.LINE):
        self._id = element_id
        self.type = element_type
        self.nodes: List[MeshNode] = []
    
    @property
    def id(self) -> int:
        """Get the element ID"""
        return self._id
    
    @property
    def Type(self) -> ElementType:
        """Get the element type"""
        return self.type


class BodyMesh:
    """Represents a mesh on a body"""
    
    def __init__(self, body: DesignBody):
        self.body = body
        self._id = id(self)
        self.nodes: List[MeshNode] = []
        self.volume_elements: List[VolumeElement] = []
        self.face_elements: List[FaceElement] = []
        self.edge_elements: List[EdgeElement] = []
    
    @property
    def id(self) -> int:
        """Get the mesh ID"""
        return self._id
    
    @property
    def node_count(self) -> int:
        """Get the node count"""
        return len(self.nodes)
    
    @property
    def element_count(self) -> int:
        """Get the element count"""
        return len(self.volume_elements) + len(self.face_elements) + len(self.edge_elements)
    
    @property
    def Nodes(self) -> List[MeshNode]:
        """Get the nodes"""
        return self.nodes
    
    @property
    def VolumeElements(self) -> List[VolumeElement]:
        """Get volume elements"""
        return self.volume_elements
    
    @property
    def FaceElements(self) -> List[FaceElement]:
        """Get face elements"""
        return self.face_elements
    
    @property
    def EdgeElements(self) -> List[EdgeElement]:
        """Get edge elements"""
        return self.edge_elements
    
    @property
    def NodeCount(self) -> int:
        """Get the node count"""
        return len(self.nodes)
    
    @property
    def ElementCount(self) -> int:
        """Get the element count"""
        return self.element_count


class PartMesh:
    """Represents a mesh on a part"""
    
    def __init__(self):
        self._id = id(self)
        self.body_meshes: List[BodyMesh] = []
    
    @property
    def id(self) -> int:
        """Get the mesh ID"""
        return self._id
    
    @property
    def node_count(self) -> int:
        """Get the total number of nodes"""
        return sum(mesh.node_count for mesh in self.body_meshes)
    
    @property
    def element_count(self) -> int:
        """Get the total number of elements"""
        return sum(mesh.element_count for mesh in self.body_meshes)
    
    @property
    def BodyMeshes(self) -> List[BodyMesh]:
        """Get the body meshes"""
        return self.body_meshes
    
    @property
    def NodeCount(self) -> int:
        """Get the total number of nodes"""
        return self.node_count
    
    @property
    def ElementCount(self) -> int:
        """Get the total number of elements"""
        return self.element_count


class AssemblyMesh:
    """Represents a mesh on an assembly"""
    
    def __init__(self):
        self.part_meshes: List[PartMesh] = []
    
    @property
    def node_count(self) -> int:
        """Get the total number of nodes"""
        return sum(mesh.node_count for mesh in self.part_meshes)
    
    @property
    def element_count(self) -> int:
        """Get the total number of elements"""
        return sum(mesh.element_count for mesh in self.part_meshes)
    
    @property
    def PartMeshes(self) -> List[PartMesh]:
        """Get the part meshes"""
        return self.part_meshes
    
    @property
    def NodeCount(self) -> int:
        """Get the total number of nodes"""
        return self.node_count
    
    @property
    def ElementCount(self) -> int:
        """Get the total number of elements"""
        return self.element_count


class MeshBodySettings:
    """Settings for mesh on a body"""
    
    def __init__(self, body: DesignBody):
        self.body = body
        self.element_size = 0.01  # in meters
        self.growth_rate = 1.5
        self.min_elements_in_gap = 3
    
    @classmethod
    def create(cls, body: DesignBody) -> 'MeshBodySettings':
        """Create mesh settings for a body
        
        Parameters
        ----------
        body : DesignBody
            The body to create mesh settings for
            
        Returns
        -------
        MeshBodySettings
            The newly created mesh settings object
        """
        return cls(body)


class IEdgeSizeControl:
    """Interface for edge size control in mesh"""
    
    @property
    def Edges(self) -> List[Any]:
        """Get the edges"""
        pass
    
    @property
    def Parent(self) -> Any:
        """Get the parent part"""
        pass


class IFaceSizeControl:
    """Interface for face size control in mesh"""
    
    @property
    def Faces(self) -> List[Any]:
        """Get the faces"""
        pass
    
    @property
    def Parent(self) -> Any:
        """Get the parent part"""
        pass


class HexaBlocking:
    """Hexa blocking functionality for hexahedral meshing"""
    
    def __init__(self):
        self._super_node_count = 0
        self._super_edge_count = 0
        self._super_face_count = 0
        self._corner_node_count = 0
        self._element_count = 0
        self._mapped_block_count = 0
        self._swept_block_count = 0
        self._free_block_count = 0
        self._min_element_quality = 1.0
    
    def process_command(self, command: str) -> bool:
        """Execute a Hexa command string
        
        Parameters
        ----------
        command : str
            The command string
            
        Returns
        -------
        bool
            True if command succeeded, False if failed
        """
        # Simplified implementation
        return len(command) > 0
    
    def process_command_with_error(self, command: str) -> Tuple[bool, str]:
        """Execute a Hexa command and return error message if failed
        
        Parameters
        ----------
        command : str
            The command string
            
        Returns
        -------
        Tuple[bool, str]
            (Success flag, Error message)
        """
        success = self.process_command(command)
        error_msg = "" if success else f"Failed to execute command: {command}"
        return success, error_msg
    
    @property
    def SuperNodeCount(self) -> int:
        """Get the number of super nodes"""
        return self._super_node_count
    
    @property
    def SuperEdgeCount(self) -> int:
        """Get the number of super edges"""
        return self._super_edge_count
    
    @property
    def SuperFaceCount(self) -> int:
        """Get the number of super faces"""
        return self._super_face_count
    
    @property
    def CornerNodeCount(self) -> int:
        """Get the number of corner nodes"""
        return self._corner_node_count
    
    @property
    def ElementCount(self) -> int:
        """Get the number of elements"""
        return self._element_count
    
    @property
    def MappedBlockCount(self) -> int:
        """Get the number of mapped blocks"""
        return self._mapped_block_count
    
    @property
    def SweptBlockCount(self) -> int:
        """Get the number of swept blocks"""
        return self._swept_block_count
    
    @property
    def FreeBlockCount(self) -> int:
        """Get the number of free blocks"""
        return self._free_block_count
    
    @property
    def MinElementQuality(self) -> float:
        """Get the minimum element quality"""
        return self._min_element_quality


class AnalysisAspect:
    """The analysis aspect of a part"""
    
    def __init__(self):
        self.shared_face_groups: List[List[Any]] = []
        self.shared_edge_groups: List[List[Any]] = []
        self.shared_edge_beam_groups: List[List[Any]] = []
        self.beam_vertex_connections: List[Tuple[Any, Any]] = []
    
    @property
    def SharedFaceGroups(self) -> List[List[Any]]:
        """Get groups of shared faces"""
        return self.shared_face_groups
    
    @property
    def SharedEdgeGroups(self) -> List[List[Any]]:
        """Get groups of shared edges"""
        return self.shared_edge_groups
    
    @property
    def SharedEdgeBeamGroups(self) -> List[List[Any]]:
        """Get shared information related to edges and beams"""
        return self.shared_edge_beam_groups
    
    @property
    def BeamVertexConnections(self) -> List[Tuple[Any, Any]]:
        """Get shared information related to beam vertices"""
        return self.beam_vertex_connections
    
    def is_baffle_pair(self, body_a: DesignBody, body_b: DesignBody, tolerance: float = 0.001) -> bool:
        """Check whether bodies form a baffle system
        
        Parameters
        ----------
        body_a : DesignBody
            The first body
        body_b : DesignBody
            The second body
        tolerance : float
            The tolerance value in meters
            
        Returns
        -------
        bool
            True if the bodies form a baffle system
        """
        # Simplified implementation
        return body_a is not None and body_b is not None
    
    def is_internal_baffle_pair(self, body_a: DesignBody, body_b: DesignBody, tolerance: float = 0.001) -> bool:
        """Check whether bodies form an internal baffle system
        
        Parameters
        ----------
        body_a : DesignBody
            The first body
        body_b : DesignBody
            The second body
        tolerance : float
            The tolerance value in meters
            
        Returns
        -------
        bool
            True if the bodies form an internal baffle system
        """
        return False  # Simplified


class MeshMethodsStatic:
    """Static methods for mesh operations"""
    
    @staticmethod
    def initialize_delayed_loaded_meshing() -> None:
        """Initialize meshing for the current document if delay loading is enabled"""
        pass
