#include "DialogWait.h"
#include "Common.h"
#include "Utility"
#include "DialogWaitSelection.h"


DialogWait::DialogWait(
	VARIABLE* var, 
	bool skipWait, 
	VALUE* waitValue,
	int nTimeout, 
	QWidget *parent
)
	: QDialog(parent)
	, m_selVariable(var)
	, m_tmpSelection(nullptr)
	, m_WaitValue(waitValue)
	, m_nTimeout(nTimeout)
	, m_bSkipWait(skipWait)
{
	ui.setupUi(this);

	// 对话框初始化
	this->initUI();
}

DialogWait::~DialogWait()
{

}


/// <summary>
/// 对话框初始化
/// </summary>
void DialogWait::initUI()
{
	this->setWindowTitle(("WaitTool Option"));

	// 设置对话框风格
	this->setAttribute(Qt::WA_QuitOnClose);
	this->setWindowModality(Qt::ApplicationModal);

	// 初始化绑定显示
	if (m_selVariable != nullptr)
	{
		ui.editEvent->setText(m_selVariable->strFullName);
	}	

	// 设置Edit控件不可编辑
	ui.editEvent->setReadOnly(true);

	// 默认跳过单步执行时的等待
	ui.checkWait->setChecked(m_bSkipWait);

	// 默认的等待超时时间
	ui.editTimeOut->setText(QString::number(m_nTimeout));

	// 初始化WaitValue相关界面
	this->initWaitValueControls();

	// 槽函数
	connect(ui.okButton, SIGNAL(clicked()), this, SLOT(onButtonOKClicked()));
	connect(ui.buttonSel, SIGNAL(clicked()), this, SLOT(onButtonSelClicked()));
	connect(ui.cancelButton, SIGNAL(clicked()), this, SLOT(reject()));

	// 设置固定窗体大小
	this->setFixedSize(363, 315);
}


/// <summary>
/// 根据用户上一轮设置的WaitValue初始化界面
/// </summary>
bool DialogWait::initWaitValueControls()
{
	// 值类型ComboBox（目前只支持int、bool、String）
	ui.comboType->addItem(Utility::getTypeString(VALUE_TYPE::Type_Int));
	ui.comboType->addItem(Utility::getTypeString(VALUE_TYPE::Type_Bool));
	ui.comboType->addItem(Utility::getTypeString(VALUE_TYPE::Type_String));
	
	//如果尚未初始化，则显示默认值
	if (m_WaitValue->type == VALUE_TYPE::Type_Unknown)
	{
		ui.comboType->setCurrentIndex(0);
		ui.editValue->setText("");

		return true;
	}

	// 否则根据初始化的值来显示
	if (m_WaitValue->type == VALUE_TYPE::Type_Int)
	{
		ui.comboType->setCurrentIndex(0);
	}
	else if (m_WaitValue->type == VALUE_TYPE::Type_Bool)
	{
		ui.comboType->setCurrentIndex(1);
	}
	else if (m_WaitValue->type == VALUE_TYPE::Type_String)
	{
		ui.comboType->setCurrentIndex(2);
	}
	else
	{
		vDebug() << "[Error] Unsupported WaitValue init type: " << m_WaitValue->type;

		return false;
	}
	
	// 显示WaitValue的默认值
	ui.editValue->setText(m_WaitValue->toString());

	return true;
}


/// <summary>
/// OK按钮
/// </summary>
void DialogWait::onButtonOKClicked()
{
	if (ui.editEvent->text().isEmpty())
	{
		CRITICAL_MESSAGE("Please select variable first!");

		return;
	}

	// 获取用户输入
	// （增加这个判断，是为了防止用户没有点击选择框就直接点击保存的情况，此时针对用户的选择就不做改变）
	if (m_tmpSelection)
	{
		m_selVariable = m_tmpSelection;
	}

	// 获取用户设置的等待超时
	if (ui.editTimeOut->text().toInt() < 0)
	{
		CRITICAL_MESSAGE("Timeout is invalid.");

		return;
	}

	// 保存用户设置的等待变量
	bool bSave = this->saveWaitValue();

	// 保存等待变量异常
	if (!bSave)
	{
		return;
	}

	// 用户设置的超时时间
	m_nTimeout = ui.editTimeOut->text().toInt();

	// 是否跳过等待	
	m_bSkipWait = ui.checkWait->isChecked();
	
	this->accept();
}


/// <summary>
/// 将用户输入的等待变量转换成VARIABLE*保存
/// </summary>
bool DialogWait::saveWaitValue()
{
	QString typeText = ui.comboType->currentText();
	QString valueText = ui.editValue->text();

	// 如果用户留空，那么则把数值清空
	if (valueText.isEmpty())
	{
		m_WaitValue->clear();

		return true;
	}

	// 然后，只有DB类型的变量才可以输入等待数值
	if (m_selVariable->parent()->gvlMode != GVL_MODE::GVL_DB)
	{
		CRITICAL_MESSAGE(" Setting wait value is only supported by DB type.");

		return false;
	}

	// 否则需要首先检查等待变量的类型和绑定变量的类型是否一致
	if (typeText != Utility::getTypeString(m_selVariable->value.type))
	{
		CRITICAL_MESSAGE("Wait value type is diffrent with selected value.");

		return false;
	}

	// Int
	if (typeText == Utility::getTypeString(VALUE_TYPE::Type_Int))
	{
		int nValue = valueText.toInt();
		m_WaitValue->type = VALUE_TYPE::Type_Int;
		m_WaitValue->setValue<int>(nValue);
	}

	// Bool
	else if (typeText == Utility::getTypeString(VALUE_TYPE::Type_Bool))
	{
		bool bValue;

		if (valueText == STRING_TRUE)
		{
			bValue = true;
		}
		else
		{
			bValue = false;
		}

		m_WaitValue->type = VALUE_TYPE::Type_Bool;
		m_WaitValue->setValue<bool>(bValue);
	}

	// String
	else if (typeText == Utility::getTypeString(VALUE_TYPE::Type_String))
	{
		m_WaitValue->type = VALUE_TYPE::Type_String;
		m_WaitValue->setValue<QString>(valueText);
	}

	// Error
	else
	{
		vDebug() << "[Error] Unsupported WaitValue type: " << typeText;

		CRITICAL_MESSAGE("Wait value is invalid.");

		return false;
	}

	vDebug() << " Set wait value = " << m_WaitValue->toString();

	return true;
}


/// <summary>
/// ... 按钮
/// </summary>
void DialogWait::onButtonSelClicked()
{
	DialogWaitSelection dialogWaitSel;

	if (dialogWaitSel.exec() == DialogWaitSelection::Accepted)
	{
		// 临时保存，用户选择的变量
		this->m_tmpSelection = dialogWaitSel.m_selVariable;

		// 显示用户的选择
		ui.editEvent->setText(this->m_tmpSelection->strFullName);
	}
}