#include "EditNodeWidget.h"

#include "SchemePlanManager.h"

#include <Widgets/LineEdit.h>
#include <Widgets/Button.h>
#include <Widgets/CheckBox.h>

#include <QLabel>
#include <QBoxLayout>
#include <QGridLayout>
#include <QComboBox>
#include <QCheckBox>
#include <QMetaEnum>

#include <QDebug>

EditNodeWidget::EditNodeWidget(QWidget *parent) : QDialog(parent)
{
    initWindow();
    initWidgets();
    initLayout();
    connectSignalsAndSlots();
}

CNodeData EditNodeWidget::node() const
{
    return m_node;
}

void EditNodeWidget::setNode(CNodeData n)
{
    m_node = n;
    m_name->setText(n.name);
    m_remark->setText(n.remark);
    m_dimen->setText(n.dimension);
    m_costComboBox->setCurrentIndex(n.type);
    m_validCheckBox->setChecked(!n.isEffective);
    m_confirm->setEnabled(false);
}

void EditNodeWidget::initWindow()
{
    setWindowTitle("编辑节点");
    //    setWindowFlags(Qt::Window);
    //    setWindowFlag(Qt::WindowMinMaxButtonsHint, false);

    setModal(true);
    setWindowFlags(Qt::Dialog);
    setWindowFlag(Qt::WindowContextHelpButtonHint, false);
    setFixedSize(400, 350);
}

void EditNodeWidget::initWidgets()
{
    m_nameLabel   = new QLabel("名称:", this);
    m_name        = new LineEdit(this);
    m_remarkLabel = new QLabel("内涵:", this);
    m_remarkLabel->setContentsMargins(0, 10, 0, 10);
    m_remark       = new TextEdit(this);
    m_dimen        = new LineEdit(this);
    m_dimenLabel   = new QLabel("量纲:", this);
    m_costLabel    = new QLabel("类型:", this);
    m_costComboBox = new QComboBox(this);
    setUpCostTypes();
    m_validLabel    = new QLabel("生效:", this);
    m_validCheckBox = new CheckBox("", this);
    m_validCheckBox->setChecked(true);
    m_confirm = new PushButton("保存", this);
    m_cancel  = new PushButton("取消", this);
}

void EditNodeWidget::initLayout()
{
    m_layout = new QVBoxLayout(this);
    m_layout->setMargin(20);
    m_gridLayout = new QGridLayout();
    m_layout->addLayout(m_gridLayout);
    m_layout->addSpacing(20);
    m_btnLayout = new QHBoxLayout();
    m_layout->addLayout(m_btnLayout);

    int minW = 280;
    m_name->setMinimumWidth(minW);
    m_remark->setMinimumWidth(minW);
    m_dimen->setMinimumWidth(minW);

    m_gridLayout->addWidget(m_nameLabel, 0, 0, 1, 1, Qt::AlignRight);
    m_gridLayout->addWidget(m_name, 0, 1, 1, 1, Qt::AlignLeft);
    m_gridLayout->addWidget(m_remarkLabel, 1, 0, 1, 1, Qt::AlignRight | Qt::AlignTop);
    m_gridLayout->addWidget(m_remark, 1, 1, 1, 1, Qt::AlignLeft);
    m_gridLayout->addWidget(m_dimenLabel, 2, 0, 1, 1, Qt::AlignRight);
    m_gridLayout->addWidget(m_dimen, 2, 1, 1, 1, Qt::AlignLeft);
    m_gridLayout->addWidget(m_costLabel, 3, 0, 1, 1, Qt::AlignRight);
    m_gridLayout->addWidget(m_costComboBox, 3, 1, 1, 1, Qt::AlignLeft);
    m_gridLayout->addWidget(m_validLabel, 4, 0, 1, 1, Qt::AlignRight);
    m_gridLayout->addWidget(m_validCheckBox, 4, 1, 1, 1, Qt::AlignLeft);

    m_btnLayout->addStretch();
    m_btnLayout->addWidget(m_confirm);
    m_btnLayout->addSpacing(20);
    m_btnLayout->addWidget(m_cancel);
}

void EditNodeWidget::connectSignalsAndSlots()
{
    connect(m_name, &LineEdit::textChanged, this, &EditNodeWidget::slotEditChanged);
    connect(m_remark, &TextEdit::textChanged, this, &EditNodeWidget::slotEditChanged);
    connect(m_dimen, &LineEdit::textChanged, this, &EditNodeWidget::slotEditChanged);
    connect(m_costComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(slotCostComboChanged(int)));
    connect(m_validCheckBox, &QCheckBox::stateChanged, this, &EditNodeWidget::slotEditChanged);
    connect(m_confirm, &PushButton::clicked, this, &EditNodeWidget::slotConfirmCLicked);
    connect(m_cancel, &PushButton::clicked, this, &EditNodeWidget::slotConcelClicked);
}

void EditNodeWidget::slotEditChanged()
{
    m_confirm->setEnabled(true);
    m_node.name        = m_name->text();
    m_node.remark      = m_remark->toPlainText();
    m_node.dimension   = m_dimen->text();
    m_node.type        = m_costComboBox->currentIndex();
    m_node.isEffective = !m_validCheckBox->isChecked();
}

void EditNodeWidget::slotCostComboChanged(int)
{
    slotEditChanged();
}

void EditNodeWidget::slotConfirmCLicked()
{
    emit sigSaveNode(m_node);
    close();
}

void EditNodeWidget::slotConcelClicked()
{
    close();
}

void EditNodeWidget::setUpCostTypes()
{
    QMetaEnum metaEnum = QMetaEnum::fromType<SchemePlanManager::IndexCostType>();
    for (int i = 0; i < metaEnum.keyCount(); i++) {
        SchemePlanManager::IndexCostType value = (SchemePlanManager::IndexCostType)metaEnum.value(i);
        QString str                            = SchemePlanManager::stringFromIndexCostType(value);
        m_costComboBox->addItem(str);
    }
    m_costComboBox->setCurrentIndex(0);
}