#include "widget.h"
#include "ui_widget.h"

#include <QResizeEvent>
#include <QApplication>
#include <QLibrary>
#include <QDebug>
#include <QSettings>

#include "cameraplayer.h"



widget::widget(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::widget)
{
    ui->setupUi(this);

    initCameraPlayer();
}

widget::~widget()
{
    delete m_cameraPlayer1;
    m_cameraPlayer1 = nullptr;
    delete m_cameraPlayer2;
    m_cameraPlayer2 = nullptr;
    delete m_cameraPlayer3;
    m_cameraPlayer3 = nullptr;
    delete m_cameraPlayer4;
    m_cameraPlayer4 = nullptr;
    delete ui;
}


/* 开启预览按钮 */
void widget::on_pBtn_startRealPlay_clicked()
{
    if(m_cameraPlayer1 != nullptr)
    {
        m_cameraPlayer1->startPlay();
    }
    if(m_cameraPlayer2 != nullptr)
    {
        m_cameraPlayer2->startPlay();
    }
    if(m_cameraPlayer3 != nullptr)
    {
        m_cameraPlayer3->startPlay();
    }
    if(m_cameraPlayer4 != nullptr)
    {
        m_cameraPlayer4->startPlay();
    }
}

/* 重新创建窗口 */
void widget::on_pBtn_reCreate_clicked()
{
    if(m_cameraPlayer1 != nullptr)
    {
        delete m_cameraPlayer1;
        m_cameraPlayer1 = nullptr;
    }
    if(m_cameraPlayer2 != nullptr)
    {
        delete m_cameraPlayer2;
        m_cameraPlayer2 = nullptr;
    }
    if(m_cameraPlayer3 != nullptr)
    {
        delete m_cameraPlayer3;
        m_cameraPlayer3 = nullptr;
    }
    if(m_cameraPlayer4 != nullptr)
    {
        delete m_cameraPlayer4;
        m_cameraPlayer4 = nullptr;
    }


    initCameraPlayer();
    on_pBtn_startRealPlay_clicked();
}

/* 窗口缩放事件 */
void widget::resizeEvent(QResizeEvent *event)
{
    QWidget::resizeEvent(event);

    /* 获取窗口大小 */
    QSize size = ui->widget_display1->size();

    if(m_cameraPlayer1 != nullptr)
        m_cameraPlayer1->setPlayWndSize(size);
    if(m_cameraPlayer2 != nullptr)
        m_cameraPlayer2->setPlayWndSize(size);
    if(m_cameraPlayer3 != nullptr)
        m_cameraPlayer3->setPlayWndSize(size);
    if(m_cameraPlayer4 != nullptr)
        m_cameraPlayer4->setPlayWndSize(size);
}

/* 显示事件 */
void widget::showEvent(QShowEvent *event)
{
    QWidget::showEvent(event);
    /* 获取窗口大小 */
    QSize size = ui->widget_display1->size();
    if(m_cameraPlayer1 != nullptr)
        m_cameraPlayer1->setPlayWndSize(size);
    if(m_cameraPlayer2 != nullptr)
        m_cameraPlayer2->setPlayWndSize(size);
    if(m_cameraPlayer3 != nullptr)
        m_cameraPlayer3->setPlayWndSize(size);
    if(m_cameraPlayer4 != nullptr)
        m_cameraPlayer4->setPlayWndSize(size);
}

void widget::initCameraPlayer()
{

    /* 通过文件读取摄像机IP信息 */
    readCameraInfo();

    CameraInfo_t cam1 = m_listCameraInfo.at(0);
    if(!cam1.cameraIp.isEmpty())
    {
        /* 创建摄像机播放器 */
        m_cameraPlayer1 = new CameraPlayer;
        QImage image(1666, 720, QImage::Format_RGB888);
        m_cameraPlayer1->setImage(image);
        m_cameraPlayer1->initCamera(cam1.cameraIp, cam1.cameraPort, cam1.username, cam1.password);
        m_cameraPlayer1->startRealPlay(1);
        /* 设置播放窗口 */
        m_cameraPlayer1->setPlayWndParent(ui->widget_display1);
        m_cameraPlayer1->setPlayWndSize(ui->widget_display1->size());
    }
    

    /* 创建其他播放窗口 */
    if(m_listCameraInfo.size() < 2)
    {
        return;
    }
    CameraInfo_t cam2 = m_listCameraInfo.at(1);
    if(!cam2.cameraIp.isEmpty())
    {
        m_cameraPlayer2 = new CameraPlayer;
        QImage image(1666, 720, QImage::Format_RGB888);
        m_cameraPlayer2->setImage(image);
        m_cameraPlayer2->initCamera(cam2.cameraIp, cam2.cameraPort, cam2.username, cam2.password);
        m_cameraPlayer2->startRealPlay(1);
        m_cameraPlayer2->setPlayWndParent(ui->widget_display2);
        m_cameraPlayer2->setPlayWndSize(ui->widget_display2->size());
    }
    
    if(m_listCameraInfo.size() < 3)
    {
        return;
    }
    CameraInfo_t cam3 = m_listCameraInfo.at(2);
    if(!cam3.cameraIp.isEmpty())
    {
        m_cameraPlayer3 = new CameraPlayer;
        QImage image(1666, 720, QImage::Format_RGB888);
        m_cameraPlayer3->setImage(image);
        m_cameraPlayer3->initCamera(cam3.cameraIp, cam3.cameraPort, cam3.username, cam3.password);
        m_cameraPlayer3->startRealPlay(1);
        m_cameraPlayer3->setPlayWndParent(ui->widget_display3);
        m_cameraPlayer3->setPlayWndSize(ui->widget_display3->size());
    }

    if(m_listCameraInfo.size() < 4)
    {
        return;
    }
    CameraInfo_t cam4 = m_listCameraInfo.at(3);
    if(!cam4.cameraIp.isEmpty())
    {
        m_cameraPlayer4 = new CameraPlayer;
        QImage image(1666, 720, QImage::Format_RGB888);
        m_cameraPlayer4->setImage(image);
        m_cameraPlayer4->initCamera(cam4.cameraIp, cam4.cameraPort, cam4.username, cam4.password);
        m_cameraPlayer4->startRealPlay(1);
        m_cameraPlayer4->setPlayWndParent(ui->widget_display4);
        m_cameraPlayer4->setPlayWndSize(ui->widget_display4->size());
    }
}


/* 读取摄像机IP信息 */
void widget::readCameraInfo()
{
    QSettings settings("camera.ini", QSettings::IniFormat);
    settings.beginGroup("Camera1");
    CameraInfo_t info1;
    info1.cameraIp = settings.value("IP", "").toString();
    info1.cameraPort = settings.value("Port", 0).toInt();
    info1.username = settings.value("Username", "").toString();
    info1.password = settings.value("Password", "").toString();
    settings.endGroup();
    m_listCameraInfo.append(info1);

    settings.beginGroup("Camera2");
    CameraInfo_t info2;
    info2.cameraIp = settings.value("IP", "").toString();
    info2.cameraPort = settings.value("Port", 0).toInt();
    info2.username = settings.value("Username", "").toString();
    info2.password = settings.value("Password", "").toString();
    settings.endGroup();
    m_listCameraInfo.append(info2);

    settings.beginGroup("Camera3");
    CameraInfo_t info3;
    info3.cameraIp = settings.value("IP", "").toString();
    info3.cameraPort = settings.value("Port", 0).toInt();
    info3.username = settings.value("Username", "").toString();
    info3.password = settings.value("Password", "").toString();
    settings.endGroup();
    m_listCameraInfo.append(info3);

    settings.beginGroup("Camera4");
    CameraInfo_t info4;
    info4.cameraIp = settings.value("IP", "").toString();
    info4.cameraPort = settings.value("Port", 0).toInt();
    info4.username = settings.value("Username", "").toString();
    info4.password = settings.value("Password", "").toString();
    settings.endGroup();
    m_listCameraInfo.append(info4);

}