#include "ConfigSchemeDataWidget.h"

#include "ProjectManager.h"
#include "common/QFDIcon.h"

#include <dbService/SchemeInfoService.h>

#include <Widgets/Button.h>
#include <Common/Icon.h>

#include <QLabel>
#include <QListWidget>
#include <QBoxLayout>
#include <QImageReader>
#include <QTextEdit>
#include <QFile>

#include <QDebug>

ConfigSchemeDataWidget::ConfigSchemeDataWidget(QWidget *parent) : QWidget(parent)
{
    initWidget();
    initLayout();
    connectSignalsAndSlots();
}

void ConfigSchemeDataWidget::setProcess(SchemePlanManager::SchemeProcessInfo process)
{
    m_process = process;
    loadData();
    selectFirst();
}

void ConfigSchemeDataWidget::loadData()
{
    clearInfo();
    if (m_process.type == SchemePlanManager::ImportEvalData) {
        if (m_process.indexType == ProjectManager::EfficiencyIndex) {
            SchemeInfoService().QuerySchemeInfoByEngineerId(&m_schemeList, m_process.projectId, 1);
        }

        if (m_process.indexType == ProjectManager::OptimalIndex) {
            SchemeInfoService().QuerySchemeInfoByEngineerId(&m_schemeList, m_process.projectId, 0);
        }
    }
    refreshList();
}

QList<SchemaEval *> ConfigSchemeDataWidget::schemeList() const
{
    return m_schemeList;
}

void ConfigSchemeDataWidget::selectFirst()
{
    if (m_listWidget->count() <= 0) {
        return;
    }

    m_listWidget->setCurrentRow(0);
}

void ConfigSchemeDataWidget::selectLast()
{
    if (m_listWidget->count() <= 0) {
        return;
    }
    m_listWidget->setCurrentRow(m_listWidget->count() - 1);
}

void ConfigSchemeDataWidget::initWidget()
{
    m_titleLabel = new QLabel("添加方案数据", this);
    m_titleLabel->setObjectName("titleLabel");
    m_titleLabel->setFixedHeight(50);
    m_titleLabel->setContentsMargins(10, 0, 0, 0);
    m_listTitleLabel = new QLabel("方案列表", this);
    m_listTitleLabel->setObjectName("listTitleLabel");
    m_tipsLabel = new QLabel("已导入的数据将会显示在这里", this);
    m_tipsLabel->setObjectName("tipsLabel");
    m_tipsLabel->setHidden(true);
    m_addButton = new QPushButton(NEWFLICON(FluentIcon, ADD)->icon(), "", this);
    m_addButton->setToolTip("添加方案");
    m_listWidget = new QListWidget(this);
    m_remark     = new QTextEdit(this);
    m_remark->setMinimumHeight(150);
    m_remark->setReadOnly(true);
    m_pic = new QLabel(this);
    m_pic->setFixedHeight(300);
    m_pic->setAlignment(Qt::AlignCenter);

    setStyleSheet("#titleLabel {color:#333333; font-size:16px}"
                  "#listTitleLabel {color:#333333; font-size:12px}"
                  "QPushButton {border: 0;background-color: qlineargradient(x1: 0, y1: 0, x2: "
                  "0, y2: 1,stop: 0 #f8f8f8, stop: 1 #f8f8f8);}"
                  "QPushButton::hover {border: 1px solid rgba(0, 0, 0, 0.073);}"
                  "QPushButton::pressed {background-color: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,stop: 0 #dadbde, "
                  "stop: 1 #f6f7fa);}"
                  "QListWidget {border: 1px solid rgba(0, 0, 0, 0.073);}"
                  "QListView::item {height:44;}");
}

void ConfigSchemeDataWidget::initLayout()
{
    m_layout = new QVBoxLayout(this);
    m_layout->setMargin(0);
    m_layout->setSpacing(0);
    m_layout->addWidget(m_titleLabel);
    m_headerLayout = new QHBoxLayout();
    m_layout->addLayout(m_headerLayout);
    m_layout->addSpacing(10);
    m_layout->addWidget(m_tipsLabel);
    m_layout->addWidget(m_listWidget);
    m_layout->addSpacing(10);
    m_layout->addWidget(m_remark);
    m_layout->addSpacing(5);
    m_layout->addWidget(m_pic);

    m_headerLayout->addWidget(m_listTitleLabel);
    m_headerLayout->addStretch();
    m_headerLayout->addWidget(m_addButton);
}

void ConfigSchemeDataWidget::connectSignalsAndSlots()
{
    connect(m_addButton, &PushButton::clicked, this, &ConfigSchemeDataWidget::slotAddDataClicked);
    connect(m_listWidget, &QListWidget::itemSelectionChanged, this, &ConfigSchemeDataWidget::slotSelectedChanged);
}

void ConfigSchemeDataWidget::refreshList()
{
    m_listWidget->clear();

    for (int i = 0; i < m_schemeList.size(); ++i) {
        SchemaEval *eval = m_schemeList[i];

        QLabel *title = new QLabel;
        title->setText(eval->name);

        QPushButton *remove = new QPushButton(NEWFLICON(QFDIcon, Minus)->icon(), "", this);
        remove->setFixedSize(QSize(25, 25));
        remove->setIconSize(QSize(10, 10));
        remove->setToolTip("删除");
        connect(remove, &QPushButton::clicked, [this, i](int) { slotRemoveDataClicked(i); });

        QWidget *w       = new QWidget;
        QHBoxLayout *lay = new QHBoxLayout(w);
        lay->addWidget(title);
        lay->addStretch();
        lay->addWidget(remove);

        QListWidgetItem *item = new QListWidgetItem;
        m_listWidget->addItem(item);
        m_listWidget->setItemWidget(item, w);
    }
}

void ConfigSchemeDataWidget::clearInfo()
{
    m_schemeList.clear();
    m_remark->clear();
    m_pic->clear();
}

void ConfigSchemeDataWidget::resizeEvent(QResizeEvent *event)
{
    Q_UNUSED(event)
    slotSelectedChanged();
}

void ConfigSchemeDataWidget::showEvent(QShowEvent *event)
{
    QWidget::showEvent(event);
}

void ConfigSchemeDataWidget::slotAddDataClicked()
{
    emit sigAddScheme();
}

void ConfigSchemeDataWidget::slotSelectedChanged()
{
    int row = m_listWidget->currentRow();
    if (m_schemeList.size() <= row || row < 0) {
        return;
    }

    SchemaEval *scheme = m_schemeList[row];
    m_remark->setText(scheme->remark);

    QFile file(scheme->filePath);
    file.open(QIODevice::ReadOnly);
    QByteArray data = file.readAll();
    QPixmap pixmap;
    pixmap.loadFromData(data);

    pixmap = pixmap.scaled(m_pic->width(), m_pic->height(), Qt::KeepAspectRatio, Qt::SmoothTransformation);
    m_pic->setPixmap(pixmap);
}

void ConfigSchemeDataWidget::slotRemoveDataClicked(int index)
{
    bool ret = SchemeInfoService().deleteScheme(m_schemeList[index]->id);
    if (ret) {
        m_schemeList.removeAt(index);
        refreshList();
        emit sigDeleteScheme();

        if (m_schemeList.size() > 0) {
            selectFirst();
        } else {
            clearInfo();
        }
    }
}