#include "frmmain.h"
#include "ui_frmmain.h"
#include "quihelper.h"
#include "iconhelper.h"
#include "frmstylewidget.h"

frmMain::frmMain(QWidget *parent) : QDialog(parent), ui(new Ui::frmMain)
{
    ui->setupUi(this);
    this->initForm();
    this->changeStyle("#159C77");
}

frmMain::~frmMain()
{
    delete ui;
}

bool frmMain::eventFilter(QObject *watched, QEvent *event)
{
    if (watched == ui->widgetTitle) {
        if (event->type() == QEvent::MouseButtonDblClick) {
            this->on_btnMenu_Max_clicked();
            return true;
        }
    } else if (watched == ui->labVolume) {
        if (event->type() == QEvent::MouseButtonPress) {
            if (ui->labVolume->property("status").toString() == "normal") {
                ui->labVolume->setToolTip("恢复音量");
                ui->labVolume->setProperty("status", "mute");
                IconHelper::setIcon(ui->labVolume, 0xf026, 18);
            } else {
                ui->labVolume->setToolTip("静音");
                ui->labVolume->setProperty("status", "normal");
                IconHelper::setIcon(ui->labVolume, 0xf028, 18);
            }

            return true;
        }
    } else if (watched == ui->labMode) {
        if (event->type() == QEvent::MouseButtonPress) {
            if (ui->labMode->property("status").toString() == "list") {
                ui->labMode->setToolTip("单曲循环");
                ui->labMode->setProperty("status", "loop");
                IconHelper::setIcon(ui->labMode, 0xf021, 17);
            } else if (ui->labMode->property("status").toString() == "loop") {
                ui->labMode->setToolTip("列表循环");
                ui->labMode->setProperty("status", "looplist");
                IconHelper::setIcon(ui->labMode, 0xf022, 17);
            } else if (ui->labMode->property("status").toString() == "looplist") {
                ui->labMode->setToolTip("随机播放");
                ui->labMode->setProperty("status", "random");
                IconHelper::setIcon(ui->labMode, 0xf074, 16);
            } else {
                ui->labMode->setToolTip("顺序播放");
                ui->labMode->setProperty("status", "list");
                IconHelper::setIcon(ui->labMode, 0xf03a, 16);
            }

            return true;
        }
    }

    return QWidget::eventFilter(watched, event);
}

void frmMain::initForm()
{
    ui->listWidget->addItem("刘德华 - 忘情水");
    ui->listWidget->addItem("刘德华 - 忘情水");
    ui->listWidget->addItem("刘德华 - 忘情水");
    ui->listWidget->addItem("刘德华 - 忘情水");
    ui->listWidget->addItem("刘德华 - 忘情水");

    //设置无边框
    QUIHelper::setFramelessForm(this);

    ui->widgetBottom->setProperty("flag", "btnPlay");
    ui->btnPlay->setProperty("status", "play");
    ui->labVolume->setProperty("status", "normal");
    ui->labMode->setProperty("status", "list");

    IconHelper::setIcon(ui->labIco, 0xf0f4, 25);
    IconHelper::setIcon(ui->btnMenu_Style, 0xf1fb, 15);
    IconHelper::setIcon(ui->btnMenu_Min, 0xf068, 15);
    IconHelper::setIcon(ui->btnMenu_Max, 0xf067, 15);
    IconHelper::setIcon(ui->btnMenu_Close, 0xf00d, 15);

    IconHelper::setIcon(ui->btnPlay, 0xf04b, 16);
    IconHelper::setIcon(ui->btnStop, 0xf04d, 16);
    IconHelper::setIcon(ui->btnPre, 0xf048, 15);
    IconHelper::setIcon(ui->btnNext, 0xf051, 15);
    IconHelper::setIcon(ui->labVolume, 0xf028, 18);
    IconHelper::setIcon(ui->labMode, 0xf03a, 16);

    ui->labTitle->setText("轻松云音乐");
    this->setWindowTitle(ui->labTitle->text());
    ui->labVolume->installEventFilter(this);
    ui->labMode->installEventFilter(this);

#ifdef __arm__
    on_btnMenu_Max_clicked();
    ui->btnMenu_Min->setEnabled(false);
    ui->btnMenu_Max->setEnabled(false);
    ui->btnMenu_Close->setEnabled(false);
#else
    ui->widgetTitle->installEventFilter(this);
#endif

    filter << "*.mp3" << "*.wma" << "*.ape" << "*.flac" << "*aac" << "*.amr" << "*.ogg" << "*.wav" << "*.midi";

    //左侧列表右键菜单
    QAction *actionOpenFile = new QAction("打开文件", this);
    connect(actionOpenFile, SIGNAL(triggered(bool)), this, SLOT(doAction()));
    this->addAction(actionOpenFile);

    QAction *actionOpenDir = new QAction("打开文件夹", this);
    connect(actionOpenDir, SIGNAL(triggered(bool)), this, SLOT(doAction()));
    this->addAction(actionOpenDir);

    QAction *actionClear = new QAction("清空所有文件", this);
    connect(actionClear, SIGNAL(triggered(bool)), this, SLOT(doAction()));
    this->addAction(actionClear);

    QAction *actionList = new QAction("隐藏列表", this);
    connect(actionList, SIGNAL(triggered(bool)), this, SLOT(doAction()));
    this->addAction(actionList);

    style = new frmStyleWidget;
    connect(style, SIGNAL(changeStyle(QString)), this, SLOT(changeStyle(QString)));
    style->setCurrentStyle(4);

    ui->sliderPosition->setValue(50);
    ui->sliderVolume->setValue(50);

    //默认加载同目录下的声音文件
    QDir d(qApp->applicationDirPath());
    QStringList files = d.entryList(filter);
    addFile(files);
}

void frmMain::changeStyle(const QString &color)
{
    QString textColor = "#5C5C5C";
    QString textHoverColor = "#474849";
    QString titleBgColor = color;
    QString titleTextColor = "#F0F0F0";
    QString titleTextHoverColor = "#FFFFFF";
    QString bottomBgColor = "#F6F6F8";
    QString listBgColor = "#F5F5F7";
    QString listSelectColor = "#E6E7EA";
    QString borderColor = "#E1E1E2";
    QString mainBgColor = "#FAFAFA";
    QString sliderColor = color;
    QString sliderBgColor = "#C2C2C4";
    QString sliderBorderColor = "#C2C2C4";
    int sliderBorder = 1;

    setStyle(textColor, textHoverColor, titleBgColor, titleTextColor, titleTextHoverColor,
             bottomBgColor, listBgColor, listSelectColor, borderColor, mainBgColor,
             sliderColor, sliderBgColor, sliderBorderColor, sliderBorder);
}

void frmMain::setStyle(const QString &textColor, const QString &textHoverColor,
                        const QString &titleBgColor, const QString &titleTextColor,
                        const QString &titleTextHoverColor, const QString &bottomBgColor,
                        const QString &listBgColor, const QString &listSelectColor,
                        const QString &borderColor, const QString &mainBgColor,
                        const QString &sliderColor, const QString &sliderBgColor,
                        const QString &sliderBorderColor, int sliderBorder)
{

    QStringList qss;

    //全局无焦点虚边框,全局文字颜色,全局字号
    qss.append(QString("*{outline:0px;color:%1;}").arg(textColor));
    qss.append(QString("QLabel#labTitle{font:75 %1px;}").arg(20));
    qss.append(QString("QMenu,QMenuBar{font:%1px;}").arg(17));

    //主界面顶部栏背景
    qss.append(QString("QWidget#widgetTitle{background:%1;}").arg(titleBgColor));
    qss.append(QString("QWidget#widgetTitle>QLabel{color:%1;}").arg(titleTextColor));
    qss.append(QString("QWidget#widgetMenu>QAbstractButton{color:%1;}").arg(titleTextColor));

    //底部背景
    qss.append(QString("QWidget#widgetBottom{background:%1;}").arg(bottomBgColor));

    //主界面顶部右上角
    qss.append(QString("QWidget#widgetMenu QAbstractButton{border:0px solid #000000;}"));
    qss.append(QString("QAbstractButton::menu-indicator{image:None;}"));
    qss.append(QString("QWidget#widgetMenu QAbstractButton:hover{color:%1;}").arg(titleTextHoverColor));
    qss.append(QString("QWidget#widgetMenu QAbstractButton:pressed{color:%1;}").arg(titleTextHoverColor));

    //左侧列表框
    qss.append(QString("QListView::item{padding:3px 0px 3px 0px;}"));
    qss.append(QString("QListView::item:hover,QListView::item:selected{background:%1;color:%2;}").arg(listSelectColor).arg(textHoverColor));
    qss.append(QString("QListView{padding:5px;background:%1;color:%2;font:%3px;}").arg(listBgColor).arg(textColor).arg(16));

    //边框颜色及宽度
    qss.append(QString("QListView,#line{border-width:1px 1px 0px 1px;}"));
    qss.append(QString("QWidget#widgetBottom{border-width:1px 1px 1px 1px;}"));
    qss.append(QString("QWidget#widgetWave{border-width:1px 1px 0px 0px;}"));
    qss.append(QString("QListView,#line,QWidget#widgetBottom,QWidget#widgetWave{border-style:solid;border-color:%1;}").arg(borderColor));

    //主界面背景
    qss.append(QString("QWidget#widgetMain{background:%1;}").arg(mainBgColor));

    //播放按钮
    qss.append(QString("QWidget[flag=\"btnPlay\"] QAbstractButton{background:%1;color:%2;border:2px solid %3;}").arg(titleBgColor).arg(titleTextHoverColor).arg(titleTextColor));
    qss.append(QString("QWidget[flag=\"btnPlay\"] QAbstractButton:hover{border:2px solid %1;}").arg(titleTextHoverColor));
    qss.append(QString("#btnPlay,#btnStop{border-radius:20px;}#btnPre,#btnNext{border-radius:16px;}"));
    qss.append(QString("#labVolume,#labMode{border:none;background:none;color:%1;}").arg(textColor));
    qss.append(QString("#labVolume:hover,#labMode:hover{color:%1;}").arg(textHoverColor));

    //滑块条样式
    int sliderHeight = 8;
    int handleSize = 16;
    qss.append(QString("QSlider::groove:horizontal{background:%1;height:%2px;border-radius:%3px;}").arg(sliderBgColor).arg(sliderHeight).arg(sliderHeight / 2));
    qss.append(QString("QSlider::add-page:horizontal{background:%1;height:%2px;border-radius:%3px;}").arg(sliderBgColor).arg(sliderHeight).arg(sliderHeight / 2));
    qss.append(QString("QSlider::sub-page:horizontal{background:%1;height:%2px;border-radius:%3px;}").arg(sliderColor).arg(sliderHeight).arg(sliderHeight / 2));
    qss.append(QString("QSlider::handle:horizontal{width:%1px;margin-top:-%2px;margin-bottom:-%2px;border-radius:%3px;border:%4px solid %5;")
               .arg(handleSize - sliderBorder).arg(handleSize / 4 + sliderBorder).arg(handleSize / 2).arg(sliderBorder).arg(sliderBorderColor));
    qss.append(QString("background:qradialgradient(spread:pad,cx:0.5,cy:0.5,radius:0.3,fx:0.5,fy:0.5,stop:0.3 %1,stop:0.8 #FFFFFF);}").arg(sliderColor));

    //滚动条样式
    qss.append(QString("QScrollBar:vertical{background:%1;padding:0px;border-radius:5px;min-width:10px;max-width:10px;}").arg(mainBgColor));
    qss.append(QString("QScrollBar::handle:vertical{background:%1;min-height:120px;border-radius:5px;}").arg(textColor));
    qss.append(QString("QScrollBar::handle:vertical:hover{background:%1;}").arg(textHoverColor));
    qss.append(QString("QScrollBar::handle:vertical:pressed{background:%1;}").arg(textHoverColor));
    qss.append(QString("QScrollBar::add-page:vertical{background:none;}"));
    qss.append(QString("QScrollBar::sub-page:vertical{background:none;}"));
    qss.append(QString("QScrollBar::add-line:vertical{background:none;}"));
    qss.append(QString("QScrollBar::sub-line:vertical{background:none;}"));

    //菜单样式
    qss.append(QString("QMenuBar::item{color:%1;background:%2;margin:0px;padding:3px 10px;}").arg(textColor).arg(mainBgColor));
    qss.append(QString("QMenu,QMenuBar,QMenu:disabled,QMenuBar:disabled{"));
    qss.append(QString("color:%1;background:%2;border:1px solid %3;margin:0px;}").arg(textColor).arg(mainBgColor).arg(borderColor));
    qss.append(QString("QMenu::item{padding:3px 20px;}"));
    qss.append(QString("QMenu::indicator{width:13px;height:13px;}"));
    qss.append(QString("QMenu::item:selected,QMenuBar::item:selected{"));
    qss.append(QString("color:%1;border:none;background:%2;}").arg(titleTextHoverColor).arg(titleBgColor));
    qss.append(QString("QMenu::separator{height:1px;background:%1;}").arg(borderColor));

    qApp->setStyleSheet(qss.join(""));
}

void frmMain::addFile(const QStringList &files)
{
    foreach (QString file, files) {
        QFileInfo f(file);
        ui->listWidget->addItem(f.fileName());
        fullFile.append(f.absoluteFilePath());
    }
}

void frmMain::doAction()
{
    QAction *action = (QAction *)sender();
    QString text = action->text();

    if (text == "打开文件") {
        QStringList files = QFileDialog::getOpenFileNames(this, "选择音频文件", qApp->applicationDirPath(),
                                                          QString("音频文件 (%1)").arg(filter.join(" ")));
        addFile(files);
    } else if (text == "打开文件夹") {
        QString dir = QFileDialog::getExistingDirectory(this, "选择音频文件夹");
        if (!dir.isEmpty()) {
            QDir d(dir);
            QStringList files = d.entryList(filter);

            //取完整路径
            QStringList fullFiles;
            foreach (QString file, files) {
                fullFiles.append(dir + "/" + file);
            }

            addFile(fullFiles);
        }
    } else if (text == "清空所有文件") {
        fullFile.clear();
        ui->listWidget->clear();
    } else if (text == "隐藏列表") {
        ui->listWidget->hide();
        action->setText("显示列表");
    } else if (text == "显示列表") {
        ui->listWidget->show();
        action->setText("隐藏列表");
    }
}

void frmMain::on_btnMenu_Style_clicked()
{
    style->show();
}

void frmMain::on_btnMenu_Min_clicked()
{
    showMinimized();
}

void frmMain::on_btnMenu_Max_clicked()
{
    static bool max = false;
    static QRect location = this->geometry();

    if (max) {
        this->setGeometry(location);
        ui->btnMenu_Max->setToolTip("最大化");
    } else {
        location = this->geometry();
        ui->btnMenu_Max->setToolTip("还原");       
        this->setGeometry(QUIHelper::getScreenRect());
    }

    this->setProperty("canMove", max);
    max = !max;
}

void frmMain::on_btnMenu_Close_clicked()
{
    exit(0);
}