#include "storyboardspresent.h"

#include <QSplitter>
#include <QVBoxLayout>

using namespace Components;
using namespace Parse::Result;

StoryBoardsPresent::StoryBoardsPresent(Core::AppCore *core, QWidget *parent)
    : QWidget(parent), core_ins(core),
      tree_view(new QTreeView(this)), details_view(new QTextEdit(this)),
      model_base(new QStandardItemModel(this))
{
    tree_view->setModel(model_base);
    auto layout = new QVBoxLayout(this);
    layout->setMargin(0);

    auto splitter= new QSplitter(Qt::Vertical, this);
    layout->addWidget(splitter);

    splitter->addWidget(tree_view);
    splitter->addWidget(details_view);
    details_view->setReadOnly(true);

    connect(tree_view,  &QTreeView::expanded,  [this](){
        tree_view->resizeColumnToContents(0);
        tree_view->resizeColumnToContents(1);
    });

    connect(tree_view, &QTreeView::clicked, this,  &StoryBoardsPresent::show_current_details);
}

void StoryBoardsPresent::refresh()
{
    model_base->clear();
    model_base->setHorizontalHeaderLabels(QStringList() << "名称" << "单元");
    auto storys = core_ins->parseCore()->allStoryBoards();

    for(auto &b : storys){
        auto item = new QStandardItem(static_cast<NamedNode*>(b)->name()[0]);
        item->setEditable(false);
        model_base->appendRow(item);

        auto refers = b->children();
        for(auto &ref : refers){
            if(ref->typeValue() != NODE_FRAGMENTREFERENCE)
                continue;

            QList<QStandardItem*> row;
            row << new QStandardItem("@"+static_cast<NamedNode*>(ref)->name()[0]);
            row.last()->setEditable(false);
            row << new QStandardItem(static_cast<NamedNode*>(ref)->name()[1]);
            row.last()->setEditable(false);

            item->appendRow(row);
        }
    }

    this->tree_view->resizeColumnToContents(0);
}

void StoryBoardsPresent::show_current_details(const QModelIndex &idx)
{
    if(!idx.isValid())
        return;

    details_view->clear();
    auto item = model_base->itemFromIndex(idx.sibling(idx.row(), 0));
    if(item->parent() == nullptr){
        auto node = core_ins->parseCore()->queryStoryBoard(item->text());

        auto children = node.first()->children();
        for(auto &it : children){
            if(it->typeValue() != NODE_FRAGMENTREFERENCE){
                details_view->append(it->toString());
            }
        }
    }
    else{
        auto node = core_ins->parseCore()->queryStoryBoard(item->parent()->text());
        auto point = core_ins->parseCore()->queryStoryFragmentRefer(node.first(), item->text().mid(1));

        auto children = point.first()->children();
        for(auto &it : children){
            details_view->append(it->toString());
        }
    }

}