#include "tipwidget.h"
#include "ui_tipwidget.h"
#include <QPainter>
#include <QTimer>
#include <QPropertyAnimation>
#include <QGraphicsOpacityEffect>
#include <QPixmap>
#include <QElapsedTimer>
#include <QTime>
#include <QDebug>

static QList<TipWidget*> sl_tipWdgs{Q_NULLPTR, Q_NULLPTR, Q_NULLPTR, Q_NULLPTR};

void TipWidget::display(FormType type, QWidget* parent, int nTitleHeight)
{
    if (Q_NULLPTR == parent || sl_tipWdgs.count() > 4)
        return;
    static QElapsedTimer s_timer;
    if (s_timer.elapsed() > 5 && s_timer.restart() < 500)
    {
        return;
    }

    int nPosX = (parent->width() - WIDTH) / 2;
    int nPosY = nTitleHeight;
    TipWidget* obj = Q_NULLPTR;
    for (int i = 0; i < sl_tipWdgs.count(); ++i)
    {
        if (sl_tipWdgs.at(i) == Q_NULLPTR)
        {
            obj = new TipWidget(type, parent);
            obj->setEndPos(nPosX, nPosY + i * HEIGHT + 10);
            if (!obj->isVisible())
                obj->show();
            obj->run();
            sl_tipWdgs[i] = obj;
            break;
        }
    }
}
/* 这个是上面的重载函数，可以自定义文本 */
void TipWidget::display(FormType type, QString text, QWidget *parent, int nTitleHeight)
{
    if (Q_NULLPTR == parent || sl_tipWdgs.count() > 4)
        return;
    static QElapsedTimer s_timer;
    if (s_timer.elapsed() > 5 && s_timer.restart() < 500)
    {
        return;
    }

    int nPosX = (parent->width() - WIDTH) / 2;
    int nPosY = nTitleHeight;
    TipWidget* obj = Q_NULLPTR;
    for (int i = 0; i < sl_tipWdgs.count(); ++i)
    {
        if (sl_tipWdgs.at(i) == Q_NULLPTR)
        {
            obj = new TipWidget(type, text, parent);

            obj->setEndPos(nPosX, nPosY + i * HEIGHT + 10);
            if (!obj->isVisible())
                obj->show();
            obj->run();
            sl_tipWdgs[i] = obj;
            break;
        }
    }
}

TipWidget::TipWidget(FormType type, QWidget *parent) :
    QWidget(parent),
    ui(new Ui::TipWidget)
{
    ui->setupUi(this);
    setWindowFlag(Qt::FramelessWindowHint);
    _endRect = rect();
    setFormType(type);
//    ui->label_tipIcon->hide();
    m_customText = false;
}

TipWidget::TipWidget(FormType type, QString& text, QWidget *parent) :
    QWidget(parent),
    ui(new Ui::TipWidget),
    m_tipText(text)
{
    ui->setupUi(this);
    setWindowFlag(Qt::FramelessWindowHint);
    _endRect = rect();
    m_customText = true;
    setFormType(type);
    /* 设置字体居中 */
    ui->label_tipTitle->setAlignment(Qt::AlignCenter);
    if(text.count() > 5)
    {
        QFontMetrics fm(ui->label_tipTitle->font());
        auto textWidth = fm.width(text);
        int width = textWidth + this->width() - ui->label_tipTitle->width();
        this->setFixedWidth(width);
    }
}

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

void TipWidget::setFormType(FormType type)
{
    QPixmap img;
    switch(type)
    {
    case OPERATOR_OK:
        _backgroundColor = QColor(246, 255, 237);
        _borderColor = QColor(183, 235, 143);
        img.load(R"(:/Tip/Complete2x.png)");
        if(m_customText)
        {
            ui->label_tipTitle->setText(m_tipText);
        }else
        {
            ui->label_tipTitle->setText("操作成功！");
        }
        break;
    case OPERATOR_FAIL:
        _backgroundColor = QColor(255, 241, 240);
        _borderColor = QColor(255, 163, 158);
        img.load(":/Tip/Failed2x.png");
        if(m_customText)
        {
            ui->label_tipTitle->setText(m_tipText);
        }else
        {
            ui->label_tipTitle->setText("操作失败！");
        }
        break;
    case OPERATOR_TIP:
        _backgroundColor = QColor(236, 238, 254);
        _borderColor = QColor(68, 88, 254);
        img.load(":/Tip/Wait2x.png");
        if(m_customText)
        {
            ui->label_tipTitle->setText(m_tipText);
        }else
        {
            ui->label_tipTitle->setText("普通提示！");
        }
        break;
    case OPERATOR_WARN:
        _backgroundColor = QColor(255, 251, 230);
        _borderColor = QColor(255, 229, 143);
        img.load(":/Tip/Tips2x.png");
        if(m_customText)
        {
            ui->label_tipTitle->setText(m_tipText);
        }else
        {
            ui->label_tipTitle->setText("需注意！");
        }
        break;

    default:
        break;
    }
    img = img.scaled(ui->label_tipIcon->width(), ui->label_tipIcon->height(), Qt::KeepAspectRatio, Qt::SmoothTransformation);
    ui->label_tipIcon->setPixmap(img);
}

void TipWidget::setEndPos(int x, int y)
{
    _endRect.moveTo(x, y);
}

void TipWidget::run()
{
    if (nullptr == _animation)
        _animation = new QPropertyAnimation(this, "geometry");
    _animation->setDuration(1 * 1000);
    _animation->setStartValue(QRect(_endRect.x(), _endRect.y() + 150, _endRect.width(), _endRect.height()));
    _animation->setEndValue(_endRect);
    connect(_animation, &QPropertyAnimation::finished, this, [this]{
        if (nullptr == _pKillTimer)
            _pKillTimer = new QTimer(this);
        _pKillTimer->start(1 * 1000);
        connect(_pKillTimer, &QTimer::timeout, this, &TipWidget::onFadeOut);
    });
    _animation->start();
}

void TipWidget::onFadeOut()
{
    if (nullptr != _pKillTimer && _pKillTimer->isActive())
    {
        _pKillTimer->stop();
    }
    QGraphicsOpacityEffect* effect = new QGraphicsOpacityEffect(this);
    this->setGraphicsEffect(effect);
    if (nullptr == _animFadeOut)
        _animFadeOut = new QPropertyAnimation(effect, "opacity");
    _animFadeOut->setDuration(1 * 1000);
    _animFadeOut->setStartValue(1.0);
    _animFadeOut->setEndValue(0.0);
    connect(_animFadeOut, &QPropertyAnimation::finished, this, [this]{
        onBtnClose();
    });
    _animFadeOut->start();
}

void TipWidget::onBtnClose()
{
    close();
    for (int i = 0; i < sl_tipWdgs.count(); ++i)
    {
        if (sl_tipWdgs.at(i) == this)
        {
            sl_tipWdgs[i] = Q_NULLPTR;
        }
    }
    deleteLater();
}

void TipWidget::paintEvent(QPaintEvent *event)
{
    QRect rc(rect());
    rc.adjust(1, 1, -2, -2);
    QPainter painter(this);
    painter.setRenderHint(QPainter::Antialiasing, true);
    painter.save();
    QBrush brush(_backgroundColor);
    painter.setBrush(brush);
    painter.drawRoundedRect(rc, 2.0, 2.0);
    painter.restore();

    painter.save();
    QPen pen;
    pen.setWidth(2);
    pen.setColor(_borderColor);
    painter.setPen(pen);
    painter.setBrush(Qt::transparent);
    painter.drawRoundedRect(rc, 2.0, 2.0);
    painter.restore();
    QWidget::paintEvent(event);
}