#include "CUILineEdit.h"

#include <QHBoxLayout>
#include<CUIConfig.h>
#include<QLabel>
#include<CUI.h>
#include<QDebug>

/**
 * @brief CUILineEdit::CUILineEdit 构造函数
 * @param conf 配置信息
 * @param parent
 */
CUILineEdit::CUILineEdit(CUIConfig* conf, QVector<CUI*> &subCUI,QWidget *parent) : QWidget(parent)
{
    this->conf = conf;
    appSetting();
    iniUI(subCUI);
    showMsg();
    checkRange();
}

/**
 * @brief CUILineEdit::isInRange 判断是否在设置范围内,根据不同的类型进行相应的判断
 * @return true\false 是否在范围内
 */
bool CUILineEdit::isInRange() const
{
    bool res = false;
    if(check_range_){
        if(data_type == "int")
        {
            if(inclusive_){
                res = range_min_.toInt() <= lineedit->text().toInt() &&
                        lineedit->text().toInt() <= range_max_.toInt();
            }else{
                res = range_min_.toInt() < lineedit->text().toInt() &&
                        lineedit->text().toInt() < range_max_.toInt();
            }
        }
        if(data_type == "double")
        {
            if(inclusive_){
                res = range_min_.toDouble() <= lineedit->text().toDouble() &&
                        lineedit->text().toDouble() <= range_max_.toDouble();
            }else{
                res = range_min_.toDouble() < lineedit->text().toDouble() &&
                        lineedit->text().toDouble() < range_max_.toDouble();
            }
        }
    }
    return res;
}

/**
 * @brief CUILineEdit::getLabelWidth 获取当前组件的label的最小宽度
 * @return label的最小宽度
 */
qint32 CUILineEdit::getLabelWidth()
{
    return label->minimumSizeHint().width();
}

/**
 * @brief CUILineEdit::setLabelWidth 设置label的宽度
 * @param width 宽度
 */
void CUILineEdit::setLabelWidth(qint32 width)
{
    label->setMinimumWidth(width);
}


/**
 * @brief CUILineEdit::iniUI 根据配置信息初始化
 */
void CUILineEdit::iniUI(QVector<CUI*> &subCUI)
{
    layout = new QHBoxLayout();
    label = new QLabel(conf->property["name"]);
    lineedit = new QLineEdit(initial_value_);
    layout->addWidget(label);
    layout->addWidget(lineedit);
    this->setLayout(layout);
    //    qDebug()<<"new lineedit";
    connect(lineedit, &QLineEdit::textEdited, this, &CUILineEdit::onTextChanged);
}


/**
 * @brief CUILineEdit::appSetting 读取配置信息,并将配置信息存储到定义变量中
 */
void CUILineEdit::appSetting()
{
    data_type = conf->property["data_type"];
    initial_value_ = conf->property["initial_value_"];
    qDebug()<< initial_value_;
    if(data_type == "string"){
        check_range_ = 0;
    }
    if(data_type == "int"){
        if(conf->property["check_range_"] == "true")
        {
            check_range_ = true;
            range_min_ = conf->property["range_min_"].toInt();
            range_max_ = conf->property["range_max_"].toInt();

            qDebug()<<conf->property["name"]<<' '<<range_min_<<' '<<range_max_;

            if(conf->property["inclusive_"] == "true")
                inclusive_ = true;
            else
                inclusive_ = false;
        }else{
            check_range_ = false;
        }
    }
    if(data_type == "double"){
        if(conf->property["check_range_"] == "true"){
            check_range_ = true;
            range_min_ = conf->property["range_min_"].toDouble();
            range_max_ = conf->property["range_max_"].toDouble();
            if(conf->property["inclusive_"] == "true")
                inclusive_ = true;
            else
                inclusive_ = false;
        }else{
            check_range_ = false;
        }
    }
    if(conf->property["required_"] == "false")
        required_ = false;
    else
        required_ = true;
}

/**
 * @brief CUILineEdit::checkType 检查类型，并修改
 */
void CUILineEdit::checkType(const QString &text)
{
    qint32 cursorPosition = lineedit->cursorPosition();
    if(data_type == "int"){
        bool ok;
        text.toInt(&ok);
        if(ok || text == "" || text == "-")
            lastEdited = text;
        else
        {
            lineedit->setText(lastEdited);
            lineedit->setCursorPosition(cursorPosition-1);
        }
    }

    if(data_type == "double"){
        bool ok;
        text.toDouble(&ok);
        if(ok || text == "" || text == "-")
            lastEdited = text;
        else
        {
            lineedit->setText(lastEdited);
            lineedit->setCursorPosition(cursorPosition-1);
        }
    }
}

/**
 * @brief CUILineEdit::showMsg 显示提示信息
 */
void CUILineEdit::showMsg()
{
    QString msg = "";

    if(check_range_){
        if(inclusive_){
            msg += "["+range_min_.toString()+","+range_max_.toString()+"]  ";
        }else{
            msg += "("+range_min_.toString()+","+range_max_.toString()+")  ";
        }
    }

    if(required_){
        msg += "\t(必填)";
    }

    lineedit->setPlaceholderText(msg);
}

/**
 * @brief CUILineEdit::checkRange 检查范围，并给出提示
 */
bool CUILineEdit::checkRange()
{
    bool res = true;
    if(check_range_){
        QPalette palette = lineedit->palette();
        res = isInRange();
        if(res){
            palette.setColor(QPalette::Text, Qt::black);
        }else{
            palette.setColor(QPalette::Text, Qt::red);
        }
        lineedit->setPalette(palette);
    }

    return res;
}


/**
 * @brief CUILineEdit::onTextChanged 槽函数
 *
 * 当文本改变时,根据设置的类型修改LineEdit的内容
 * 当文本改变时，如果有范围设置，不在范围内则标红
 *
 * @param text 当前输入后的文本内容
 */
void CUILineEdit::onTextChanged(const QString &text)
{
    checkType(text);
    checkRange();
}