#include "RenderAble.h"
#include "base/Plot.h"
#include "Axis/AbsAxis.h"
#include "plottable/HoverInfo.h"


namespace YSG {
    QDebug operator<<(QDebug debug, const Range& range)  {
        QDebugStateSaver saver(debug); // 保存当前的 qDebug 状态
        debug.nospace() << "Range(" << range.lower << ", " << range.upper << ")";
        return debug;
    }

    void SpinLock::lock() {
        while (flag.test_and_set(std::memory_order_acquire)) {}
    }
    bool SpinLock::tryLock() {
        return !flag.test_and_set(std::memory_order_acquire);
    }
    bool SpinLock::tryLock(int durationMillis) {
        if (durationMillis == 0) {
            return tryLock();
        }
        auto duration = std::chrono::milliseconds(durationMillis);
        auto start = std::chrono::steady_clock::now();
        while (std::chrono::steady_clock::now() - start < duration) {
            if (tryLock()) {
                return true;
            }
        }
        return false;
    }
    void SpinLock::unlock() {
        flag.clear(std::memory_order_release);
    }
    SpinLockGuard::~SpinLockGuard() {
        if (mLock) mLock->unlock();
    }
    SpinLockGuard::SpinLockGuard(SpinLock *lock) : mLock(lock) {
        if (mLock) mLock->lock();
    }

    void RenderAble::init(Plot* plot, QString layerName) {
        if(layerName.isEmpty()) {
            layerName = plot->mDefaultLayerName;
        }
        plot->mLayerMap[layerName]->mRenderAbles.append(this);
        mPlot = plot;
        dPtr = createRenderData();
        dPtr->mRenderState = createRenderState();
        dPtr->mRenderStateCache = createRenderState();
        dPtr->mTempData = createTempData();
        dPtr->mTempDataCache = createTempData();
        dPtr->mRenderState->dPtr = dPtr;
        dPtr->mRenderStateCache->dPtr = dPtr;
        dPtr->qPtr = this;
    }


    bool RenderAble::ok() const  {
        return dPtr->mRenderStart && mPlot && !mPlot->mFirstResize && !mPlot->mFirstPrepareData;
    }

    RenderAble::~RenderAble(){
    }

    bool RenderAble::dectCycleRely()  {
        QQueue<RenderAble*> queue;
        queue.enqueue(this);
        while (!queue.isEmpty()) {
            RenderAble* current = queue.dequeue();
            QSet<RenderAble*> visited;
            QSet<RenderAble*> recursionStack;
            QVector<RenderAble*> path;
            bool has = hasCycleRely(current, visited, recursionStack, path);
            if(has){
                return true;
            }
        }
        qDebug() << this << " 检测成功!";
        return false;
    }

    bool RenderAble::hasCycleRely(RenderAble* node, QSet<RenderAble*>& visited, QSet<RenderAble*>& recursionStack,
    QVector<RenderAble*>& currentPath)  {
        if (!node) return false;

        if (recursionStack.contains(node)) {
            // 节点已经在当前递归路径中，检测到循环
            qDebug() << "Cycle detected in path:";

            // 打印循环依赖链
            for (RenderAble* n : currentPath) {
                qDebug() << n->mObjectName << "(" << n << ")->";
            }
            qDebug() << node; // 打印形成循环的节点
            return true;
        }

        if (visited.contains(node)) {
            // 节点已经被处理过，无需再次处理
            return false;
        }

        // 标记当前节点为已访问
        visited.insert(node);
        // 将当前节点标记为递归路径中的节点
        recursionStack.insert(node);
        // 记录当前节点在路径中
        currentPath.append(node);

        // 递归检查所有子节点
        for (RenderAble* child : node->mBeRelyList) {
            if (hasCycleRely(child, visited, recursionStack, currentPath)) {
                return true;
            }
        }

        // 从递归路径中移除当前节点
        recursionStack.remove(node);
        // 从路径中移除当前节点
        currentPath.removeLast();
        return false;
    }





    QVector<QRgb> getTurboColorGradient() {
        QVector<QRgb> colors;

        QFile file(":/turbo.colorMap");
        if (!file.open(QIODevice::ReadOnly)) {
            qDebug() << "getTurboColorGradient2: Failed to open file";
            return colors; // 返回一个空的 std::vector
        }

        QByteArray fileData = file.readAll();
        file.close();

        // 检查文件内容
        if (fileData.size() != 768) {
            qDebug() << "getTurboColorGradient2: File size is not as expected (768 bytes), got" << fileData.size();
            return colors; // 返回一个空的 std::vector
        }

        // 确保每个颜色有 3 个字节 (RGB)，总共有 256 个颜色
        colors.reserve(256);
        for (int i = 0; i < 256; ++i) {
            uchar r = fileData[i * 3];
            uchar g = fileData[i * 3 + 1];
            uchar b = fileData[i * 3 + 2];
            colors.push_back(qRgb(r, g, b));
        }

        return colors;
    }

    SRC RenderState::src() {
        return dPtr->mRenderState == this ? SRC::Render : SRC::Cache;
    }
}