#include "ProjectView.h"

#include "ProjectListWidget.h"
#include "RenameWidget.h"
#include "ConfigExpertDataWidget.h"
#include "IndexSystemWidget.h"
#include "SchemePlanWidget.h"
#include "DataCollectionWidget.h"
#include "DataProcessingWidget.h"

#include "common/ProjectManager.h"

#include <dbService/ClassSet.h>

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

#include <QBoxLayout>
#include <QLabel>
#include <QStackedWidget>

#include <QDebug>

ProjectView::ProjectView(ProjectInfo *proj, QWidget *parent) : QWidget(parent), m_proj(proj)
{
    initWidgets();
    initLayout();
    connectSigalsAndSlots();
    if (m_tree->topLevelItemCount() > 0) {
        itemClicked(m_tree->topLevelItem(0), 0);
    }
}

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

void ProjectView::hideEvent(QHideEvent *event)
{
    QWidget::hideEvent(event);
}

ProjectInfo *ProjectView::proj() const
{
    return m_proj;
}

void ProjectView::showEvalWidget(int eval, int task)
{
    m_stack->setCurrentIndex(task);
    EvalWidget *w = (EvalWidget *)m_stack->widget(task);
    w->setType(eval);

    ProjectManager::EvalType type = (ProjectManager::EvalType)eval;

    qDebug() << __FUNCTION__ << __LINE__ << type;
}

void ProjectView::initWidgets()
{
    m_title = new QLabel(this);
    m_title->setText(m_proj->projectName);
    QFont ft("Microsoft YaHei", 14);
    m_title->setFont(ft);
    m_close = new PushButton("关闭", this);
    m_close->setToolTip("关闭项目");
    m_tree = new TreeWidget(this);

    // 根据评估类型添加列表条目
    QList<ProjectManager::EvalType> types = ProjectManager::evalTypeList(*m_proj);
    for (int i = 0; i < types.count(); i++) {
        QString typeName      = ProjectManager::nameOfEvalType(types[i]);
        QTreeWidgetItem *item = new QTreeWidgetItem({ typeName });
        Qt::ItemFlags f       = item->flags() ^ Qt::ItemIsSelectable;
        item->setFlags(f);  // 设置 topLevelItem 不可选中

        item->addChildren({ new QTreeWidgetItem({ "指标体系设计" }), new QTreeWidgetItem({ "评估方案规划" }),
                            new QTreeWidgetItem({ "评估数据采集" }), new QTreeWidgetItem({ "评估数据处理" }) });
        m_tree->addTopLevelItem(item);
    }

    m_tree->expandAll();
    m_tree->setHeaderHidden(true);
    m_tree->setFixedWidth(200);

    // 分割线
    m_seperator = new QWidget(this);
    m_seperator->setFixedWidth(1);
    QPalette pal(m_seperator->palette());
    pal.setColor(QPalette::Background, QColor("#aaaaaa"));
    m_seperator->setAutoFillBackground(true);
    m_seperator->setPalette(pal);

    m_stack = new QStackedWidget(this);

    m_indexSystem    = new IndexSystemWidget(m_proj, m_stack);
    m_schemeDesign   = new SchemePlanWidget(m_proj, m_stack);
    m_dataCollection = new DataCollectionWidget(m_proj, m_stack);
    m_dataProcessing = new DataProcessingWidget(m_proj, m_stack);

    m_stack->addWidget(m_indexSystem);
    m_stack->addWidget(m_schemeDesign);
    m_stack->addWidget(m_dataCollection);
    m_stack->addWidget(m_dataProcessing);
}

void ProjectView::initLayout()
{
    m_layout       = new QVBoxLayout(this);
    m_headerLayout = new QHBoxLayout();
    m_layout->addLayout(m_headerLayout);
    m_contentLayout = new QHBoxLayout();
    m_layout->addLayout(m_contentLayout);

    m_headerLayout->addWidget(m_title);
    m_headerLayout->addSpacing(20);
    m_headerLayout->addWidget(m_close);
    m_headerLayout->addStretch();

    m_contentLayout->addWidget(m_tree);
    m_contentLayout->addWidget(m_seperator);
    m_contentLayout->addWidget(m_stack);
}

void ProjectView::connectSigalsAndSlots()
{
    connect(m_close, &PushButton::clicked, this, &ProjectView::sigClose);
    connect(m_tree, &TreeWidget::itemClicked, this, &ProjectView::itemClicked);
}

void ProjectView::itemClicked(QTreeWidgetItem *item, int column)
{
    Q_UNUSED(column)

    int typeIndex = m_tree->indexOfTopLevelItem(item);  // 评估类型, 一级条目
    int taskIndex = -1;                                 // 评估事项, 二级条目
    if (typeIndex < 0) {
        typeIndex = m_tree->indexOfTopLevelItem(item->parent());
        taskIndex = item->parent()->indexOfChild(item);
    }

    // 点击一级条目时, 选中其首个子条目
    if (taskIndex < 0) {
        taskIndex = 0;
        item->child(taskIndex)->setSelected(true);
    }

    ProjectManager::EvalType eval = ProjectManager::evalTypeList(*m_proj)[typeIndex];
    QString typeName              = ProjectManager::nameOfEvalType(eval);

    showEvalWidget(eval, taskIndex);
}