#include "FLESHGraph/FLESHGraphNode.h"
#include "Logging/LogMacros.h"

// 定义日志类别
DEFINE_LOG_CATEGORY_STATIC(LogFLESHGraphNode, Log, All);

UFLESHGraphNode::UFLESHGraphNode()
{
    // 初始化默认值
    NodeTitle = TEXT("FLESH节点");
    NodeType = EFLESHNodeType::None;
    NodeColor = FLinearColor(0.5f, 0.5f, 0.5f);
    NodePosition = FVector2D::ZeroVector;
}

FString UFLESHGraphNode::GetNodeTitle() const
{
    return NodeTitle;
}

EFLESHNodeType UFLESHGraphNode::GetNodeType() const
{
    return NodeType;
}

FLinearColor UFLESHGraphNode::GetNodeColor() const
{
    return NodeColor;
}

FVector2D UFLESHGraphNode::GetNodePosition() const
{
    return NodePosition;
}

void UFLESHGraphNode::SetNodePosition(const FVector2D& InPosition)
{
    NodePosition = InPosition;
}

TArray<UFLESHGraphNode*> UFLESHGraphNode::GetInputNodes() const
{
    return InputNodes;
}

TArray<UFLESHGraphNode*> UFLESHGraphNode::GetOutputNodes() const
{
    return OutputNodes;
}

bool UFLESHGraphNode::AddInputNode(UFLESHGraphNode* Node)
{
    // 检查节点是否有效
    if (!Node)
    {
        UE_LOG(LogFLESHGraphNode, Warning, TEXT("FLESH: 尝试添加无效的输入节点"));
        return false;
    }
    
    // 检查节点是否已经在输入列表中
    if (InputNodes.Contains(Node))
    {
        UE_LOG(LogFLESHGraphNode, Warning, TEXT("FLESH: 节点已经在输入列表中: %s"), *Node->GetNodeTitle());
        return false;
    }
    
    // 添加到输入列表
    InputNodes.Add(Node);
    
    UE_LOG(LogFLESHGraphNode, Log, TEXT("FLESH: 添加了输入节点: %s -> %s"), *Node->GetNodeTitle(), *GetNodeTitle());
    
    return true;
}

bool UFLESHGraphNode::AddOutputNode(UFLESHGraphNode* Node)
{
    // 检查节点是否有效
    if (!Node)
    {
        UE_LOG(LogFLESHGraphNode, Warning, TEXT("FLESH: 尝试添加无效的输出节点"));
        return false;
    }
    
    // 检查节点是否已经在输出列表中
    if (OutputNodes.Contains(Node))
    {
        UE_LOG(LogFLESHGraphNode, Warning, TEXT("FLESH: 节点已经在输出列表中: %s"), *Node->GetNodeTitle());
        return false;
    }
    
    // 添加到输出列表
    OutputNodes.Add(Node);
    
    UE_LOG(LogFLESHGraphNode, Log, TEXT("FLESH: 添加了输出节点: %s -> %s"), *GetNodeTitle(), *Node->GetNodeTitle());
    
    return true;
}

bool UFLESHGraphNode::RemoveInputNode(UFLESHGraphNode* Node)
{
    // 检查节点是否有效
    if (!Node)
    {
        UE_LOG(LogFLESHGraphNode, Warning, TEXT("FLESH: 尝试移除无效的输入节点"));
        return false;
    }
    
    // 从输入列表中移除
    bool bRemoved = InputNodes.Remove(Node) > 0;
    
    if (bRemoved)
    {
        UE_LOG(LogFLESHGraphNode, Log, TEXT("FLESH: 移除了输入节点: %s -> %s"), *Node->GetNodeTitle(), *GetNodeTitle());
    }
    else
    {
        UE_LOG(LogFLESHGraphNode, Warning, TEXT("FLESH: 节点不在输入列表中: %s"), *Node->GetNodeTitle());
    }
    
    return bRemoved;
}

bool UFLESHGraphNode::RemoveOutputNode(UFLESHGraphNode* Node)
{
    // 检查节点是否有效
    if (!Node)
    {
        UE_LOG(LogFLESHGraphNode, Warning, TEXT("FLESH: 尝试移除无效的输出节点"));
        return false;
    }
    
    // 从输出列表中移除
    bool bRemoved = OutputNodes.Remove(Node) > 0;
    
    if (bRemoved)
    {
        UE_LOG(LogFLESHGraphNode, Log, TEXT("FLESH: 移除了输出节点: %s -> %s"), *GetNodeTitle(), *Node->GetNodeTitle());
    }
    else
    {
        UE_LOG(LogFLESHGraphNode, Warning, TEXT("FLESH: 节点不在输出列表中: %s"), *Node->GetNodeTitle());
    }
    
    return bRemoved;
}

bool UFLESHGraphNode::CompileNode(FFLESHNodeData& OutNodeData)
{
    // 设置基本节点数据
    OutNodeData.NodeName = FName(*GetNodeTitle());
    OutNodeData.NodeType = GetNodeType();
    
    // 设置连接的节点
    OutNodeData.ConnectedNodes.Empty();
    for (UFLESHGraphNode* OutputNode : OutputNodes)
    {
        // TODO: 获取节点索引
        // OutNodeData.ConnectedNodes.Add(NodeIndex);
    }
    
    UE_LOG(LogFLESHGraphNode, Log, TEXT("FLESH: 编译了节点: %s"), *GetNodeTitle());
    
    return true;
}