#include "conceptview.h"
#include "SensitiveCore.h"

#include <QSplitter>
#include <QVBoxLayout>

using namespace Components;
using namespace Core;
using namespace Parse::Result;

ConceptView::ConceptView(Core::AppCore *core, QWidget *parent)
    : QWidget(parent), core_ins(core),
      tree_view(new QTreeView(this)),
      model_base(new QStandardItemModel(this)),
      details_view(new QTextBrowser(this))
{
    tree_view->setHeaderHidden(true);

    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);

    tree_view->setModel(model_base);
    details_view->setReadOnly(true);

    connect(tree_view, &QTreeView::clicked, this,  &ConceptView::show_node_description);
    connect(tree_view, &QTreeView::doubleClicked, this, &ConceptView::click_to);
}

void ConceptView::refresh()
{
    model_base->clear();
    auto units = core_ins->parseCore()->allStoryConcept();
    for(auto &unit : units){
        auto unit_node = new QStandardItem(static_cast<NamedNode*>(unit)->name()[0]);
        unit_node->setEditable(false);
        model_base->appendRow(unit_node);

        auto children = unit->children();
        for(auto &frag : children){
            if(frag->typeValue() == NODE_STORYSTRONGPOINT){
                auto frag_node = new QStandardItem(static_cast<NamedNode*>(frag)->name()[0]);
                frag_node->setEditable(false);
                unit_node->appendRow(frag_node);
            }
        }
    }
}

void ConceptView::show_node_description(const QModelIndex &curr)
{
    if(!curr.isValid())
        return;

    details_view->clear();
    auto item = model_base->itemFromIndex(curr);
    if(item->parent() == nullptr){
        auto node = core_ins->parseCore()->queryStoryConcept(item->text());

        auto children = node.first()->children();
        for(auto &it : children){
            if(it->typeValue() != NODE_STORYSTRONGPOINT){
                details_view->append(it->toString());
            }
        }
    }
    else{
        auto node = core_ins->parseCore()->queryStoryConcept(item->parent()->text());
        auto point = core_ins->parseCore()->queryStoryStrongPoint(node.first(), item->text());

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

void ConceptView::click_to(const QModelIndex &curr)
{
    if(!curr.isValid())
        return;

    auto pnode = this->model_base->itemFromIndex(curr);
    QList<QString> path;
    while (pnode) {
        path.insert(0, pnode->text());
        pnode = pnode->parent();
    }

    auto unit_ins = this->core_ins->parseCore()->queryStoryConcept(path[0]).first();
    auto chain_doc = unit_ins->doc();
    this->core_ins->openTextDocument(chain_doc->filePath(), chain_doc->docName());
    auto present = this->core_ins->getFramework()->queryTextComponent(QFileInfo(chain_doc->filePath()));

    if(path.size()){
        present->jumpTo(path);
    }
}