#include <QApplication>
#include <QPushButton>
#include <QMainWindow>
#include <QSplitter>
#include <QQuickWidget>
#include <QQmlContext>
#include <QQuickWindow>
#include <QSGRendererInterface>
#include <QTimer>
#include <QRandomGenerator>

#include "backend.h"
#include "backend.h"
#include "glwidget.h"

int main(int argc, char *argv[]) {
    QQuickWindow::setGraphicsApi(QSGRendererInterface::OpenGL);
    // 统一OpenGL格式
    QSurfaceFormat fmt;
    fmt.setVersion(3, 3);
    fmt.setProfile(QSurfaceFormat::CoreProfile);
    fmt.setDepthBufferSize(24);
    fmt.setStencilBufferSize(8);
    fmt.setSamples(4);
    fmt.setSwapInterval(1);
    QSurfaceFormat::setDefaultFormat(fmt);

    QApplication a(argc, argv);

    auto *win = new QMainWindow;
    auto *splitter = new QSplitter;
    splitter->setOrientation(Qt::Horizontal);
    auto *quick = new QQuickWidget;
    quick->setResizeMode(QQuickWidget::SizeRootObjectToView);

    Backend backend;
    quick->rootContext()->setContextProperty("backend", &backend);
    quick->setSource(QUrl("qrc:/qml/Main.qml"));

    auto *glw = new GLWidget;
    glw->setSpec(8, 11, 0.1f, 0.03f);
    glw->setPanelThickness(0.08f);
    glw->setRange(backend.minValue(), backend.maxValue());
    glw->setRenderModeString(backend.renderMode());
    glw->setLabelModeString(backend.labelMode());

    QObject::connect(&backend, &Backend::rangeChanged, glw, &GLWidget::setRange);
    QObject::connect(&backend, &Backend::renderModeValueChanged, glw, &GLWidget::setRenderModeString);
    QObject::connect(&backend, &Backend::labelModeValueChanged, glw, &GLWidget::setLabelModeString);

    auto *t = new QTimer(win);
    t->setTimerType(Qt::PreciseTimer);
    t->setInterval(10);
    QObject::connect(t, &QTimer::timeout, glw, [glw] {
        const int n = glw->dotCount();
        QVector<float> v;
        v.resize(n);
        for (int i = 0; i < n; ++i) {
            // TODO: value
            v[i] = 100.0f + float(QRandomGenerator::global()->generateDouble()) * (2000.0f - 100.0f);
        }
        glw->submitValues(v);
    });

    splitter->addWidget(quick);
    splitter->addWidget(glw);
    splitter->setStretchFactor(0, 0);
    splitter->setStretchFactor(1, 1);
    win->setCentralWidget(splitter);
    win->resize(1100, 650);
    win->show();
    t->start();
    return QApplication::exec();
}