#include "dialog.h"
#include "ui_dialog.h"
#include <QFileDialog>
#include <QMessageBox>
#include <QCoreApplication>
#include <Windows.h>
#include <QMenu>
#include <QDesktopServices>
Dialog::Dialog(QWidget *parent)
    : QDialog(parent)
    , ui(new Ui::Dialog)
{
    ui->setupUi(this);
    connect(ui->btn_add,&QPushButton::clicked,this,&Dialog::BtnAdd);
    connect(ui->btn_Start,&QPushButton::clicked,this,&Dialog::ChangeImg);
    connect(ui->btn_del,&QPushButton::clicked,[this](){
        ui->listImage->clear();
    });
    connect(ui->btn_Path,&QPushButton::clicked,[this](){
        folderPath = QFileDialog::getExistingDirectory(this, tr("选择文件夹"), "", QFileDialog::ShowDirsOnly | QFileDialog::DontResolveSymlinks);
        folderPath+="/output";
        ui->OutPath->setText(folderPath);
    });
    connect(ui->btn_adds,&QPushButton::clicked,this,&Dialog::GetALLImg);
    Count = 0;
    Init();


}

Dialog::~Dialog()
{
    delete ui;
}
void Dialog::Test()
{



}

void Dialog::FlashColor(int n)
{
    switch (n) {
    case 0:
        ui->listImage->setStyleSheet("QListWidget::item:even { background-color: yellow; }"
                          "QListWidget::item:odd { background-color: lightgray; }");
        break;
    case 1:
        ui->listImage->setStyleSheet("QListWidget::Item{background-color:blue;}");
        break;
    case 2:
        ui->listImage->setStyleSheet("QListWidget::Item{background-color:yellow;}");
        break;
    default:
        break;
    }
}

void Dialog::OpenFolder()
{
    QListWidgetItem* item = ui->listImage->currentItem();
    QString Path = item->text();
    QStringList list = Path.split('/');
    Path.clear();
    for(int i = 0;i<list.length()-1;i++)
    {

        Path+=list[i];
        Path+='/';
    }

    QDesktopServices::openUrl(QUrl(Path));
}

void Dialog::DeleteImg()
{
    ui->listImage->takeItem(ui->listImage->currentRow());
}

void Dialog::Info()
{
    QDesktopServices::openUrl(QUrl(ui->listImage->currentItem()->text()));
}




void Dialog::Init()
{
    setWindowIcon(QIcon("://img//test.icon"));
    setWindowTitle("图片转换器");
    setFixedSize(QSize(671,384));

    ui->listImage->setContextMenuPolicy(Qt::CustomContextMenu);

    CreateMenu();
    InitList();//初始化列表框
    InitFolder();//初始化输出文件夹
}

void Dialog::InitFolder()
{
    folderPath = QCoreApplication::applicationDirPath();
    folderPath+="/output";
    //qDebug()<<path;
    QDir dir(folderPath);
    if(!dir.exists())
    {
        dir.mkdir(folderPath);
        ui->OutPath->setText(folderPath);
    }

    ui->OutPath->setText(folderPath);
}

void Dialog::InitList()
{
    ui->list_type->addItem("PNG");
    ui->list_type->addItem("JPG");
    ui->list_type->addItem("ico");
    ui->list_type->addItem("BMP");
    ui->list_type->addItem("JPEG");
    ui->list_type->addItem("TIFF");

}

void Dialog::BtnAdd()
{
    file = QFileDialog::getOpenFileName(
        this,
        "Open Image",
        "C:",
        "Image Files (*.png *.jpg *.ico)"
        );
    qDebug()<<file;
    if(!file.isEmpty())
    {
        ui->listImage->addItem(file);

    }
}

void Dialog::ChangeImg()
{

    QListWidgetItem*  fileName = ui->listImage->currentItem();
    if(fileName==NULL)
    {
        int count = ui->listImage->count();
        if(count!=0)
        {
            QDir dir(folderPath);
            if(!dir.exists())
            {
                dir.mkdir(folderPath);
                ui->OutPath->setText(folderPath);
            }
            for(int i = 0;i<count;i++)
            {
               QListWidgetItem* item = ui->listImage->item(i);
               QImage img(item->text());
               QString imgName =  item->text();
               QStringList list = imgName.split("/");
               imgName = list[list.length()-1];
               list = imgName.split('.');
               imgName = list[0];
               QString Imgtype = ui->list_type->currentText();
               qDebug()<<Imgtype;

               if(!img.save(folderPath+"/"+imgName+"."+Imgtype,Imgtype.toStdString().c_str(),100))
               {
                   qDebug()<<"转换失败！！！";
               }
            }
            QMessageBox::information(NULL,"成功","转换成功！！！");
            return;

        }

        QMessageBox::warning(NULL,"警告","没有选择要转换的图片或者没有图片！！！");
        return;
    }
    qDebug()<<fileName->text();
    QImage img(fileName->text());

    //获取输出文件夹路径

    //qDebug()<<path;
    QDir dir(folderPath);
    if(!dir.exists())
    {
        dir.mkdir(folderPath);
        ui->OutPath->setText(folderPath);
    }

    //获取图片保存格式
    QString Imgtype = ui->list_type->currentText();
    qDebug()<<Imgtype;
    QString imgName =  fileName->text();
    QStringList list = imgName.split("/");
    imgName = list[list.length()-1];
    list = imgName.split('.');
    imgName = list[0];
    if(!img.save(folderPath+"/"+imgName+"."+Imgtype,Imgtype.toStdString().c_str(),100))
    {
        qDebug()<<"转换失败！！！";
    }
}

void Dialog::GetALLImg()
{
    QStringList mImgNames;
    QString file = QFileDialog::getExistingDirectory(NULL,"Open Folder",NULL);
    if(file.isEmpty())return;
    QDir dir(file);
    file = dir.fromNativeSeparators(file);
    if(!dir.exists())mImgNames = QStringList("");
    dir.setFilter(QDir::Files);
    dir.setSorting(QDir::Name);
    dir.setNameFilters(QString("*.PNG;*JPG;*ICO;*JPEG;*BMP").split(";"));
    //dir.setNameFilters(QString("*").split(";"));
    mImgNames = dir.entryList();
    for (int i = 0; i < mImgNames.size(); ++i)
    {
        qDebug() << "entryList: " << i << "-" << file + "/" +mImgNames[i];
        ui->listImage->addItem(file + "/" +mImgNames[i]);
    }
}

void Dialog::CreateMenu()
{
    connect(ui->listImage,&QListWidget::customContextMenuRequested,[=](const QPoint& pos){
        QMenu *menu = new QMenu;
        QAction* Act_open = new QAction("打开文件夹",menu);
        QAction* Act_Del = new QAction("删除",menu);
        QAction* Act_About = new QAction("详情",menu);
        connect(Act_open,SIGNAL(triggered()),this,SLOT(OpenFolder()));
        connect(Act_Del,SIGNAL(triggered()),this,SLOT(DeleteImg()));
        connect(Act_About,SIGNAL(triggered()),this,SLOT(Info()));
        if(ui->listImage->itemAt(pos)!=NULL)
        {
            menu->addAction(Act_open);
            menu->addAction(Act_Del);
            menu->addAction(Act_About);
        }

        menu->exec(QCursor::pos());
        delete menu;
    });
}