#include "CUILineEdit.h"

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

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


/**
 * @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 m_label->minimumSizeHint().width();
}

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


/**
 * @brief CUILineEdit::iniUI 根据配置信息初始化
 */
void CUILineEdit::iniUI(QVector<CUI*> &subCUI)
{
    m_layout = new QHBoxLayout();
    m_label = new QLabel(m_conf->getPropertyValue("name"));
    m_lineEdit = new QLineEdit(this->getValueString());
    m_layout->addWidget(m_label);
    m_layout->addWidget(m_lineEdit);
    this->setLayout(m_layout);
    // 设置格式校验
    this->setValidator();
    this->setInputTips();
    connect(m_lineEdit, &QLineEdit::textEdited, this, &CUILineEdit::onTextChanged);
}

void CUILineEdit::setValidator()
{
    switch (m_dataType) {
        case CUI_DATA_TYPE_DOUBLE: {
            m_lineEdit->setValidator(new QDoubleValidator(m_rangeMin.toDouble(), m_rangeMax.toDouble(), 10));
            break;
        }
        case CUI_DATA_TYPE_INT: {
            m_lineEdit->setValidator(new QIntValidator(m_rangeMin.toInt(), m_rangeMax.toInt()));
            break;
        }
    }
}

/**
 * @brief CUILineEdit::showMsg 显示提示信息
 */
void CUILineEdit::setInputTips()
{
    QString msg = "";
    if(m_checkRange) {
        msg += m_inclusiveMin ? "[" : "(";
        msg += this->getRangeMinString() + "," + this->getRangeMaxString();
        msg += m_inclusiveMax ? "]" : ")";
    }
    if(m_required) {
        msg += "\t(必填)";
    }
    m_lineEdit->setPlaceholderText(msg);
}

/**
 * @brief CUILineEdit::checkRange 检查范围，并给出提示
 */
void CUILineEdit::showRangeError()
{
    if(m_checkRange) {
        QPalette palette = m_lineEdit->palette();
        if(this->inRange()) {
            palette.setColor(QPalette::Text, Qt::black);
        } else {
            palette.setColor(QPalette::Text, Qt::red);
        }
        m_lineEdit->setPalette(palette);
    }
}


/**
 * @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)
{
    this->showRangeError();
    if (this->inRange()) {
        switch (m_dataType) {
            case CUI_DATA_TYPE_DOUBLE: {
                m_value = qvariant_cast<double>(m_lineEdit->text().toDouble());
                break;
            }
            case CUI_DATA_TYPE_INT: {
                m_value = qvariant_cast<int>(m_lineEdit->text().toInt());
                break;
            }
            case CUI_DATA_TYPE_STRING: {
                m_value = m_lineEdit->text();
                break;
            }
        }
        this->setValueToOrigin();
    }
}