#include "project_view.h"
#include "command_list.h"

#include <QInputDialog>
#include <QMenu>
#include <QVBoxLayout>

using namespace Components;
using namespace CommandList;
using namespace Schedule;
using namespace Core;

ProjectView::ProjectView(QWidget *parent, CommandsDispatcher *core, Core::DocumentsManager *mgr)
    : QWidget(parent), project_manager(mgr), source(core), view_present(new QTreeView(this)), menu_root(new QMenu("项目管理")) {
    auto layout = new QVBoxLayout(this);
    layout->addWidget(view_present);
    layout->setMargin(1);

    this->menGenerate(menu_root);

    view_present->setModel(mgr->projectManager()->model());
    view_present->setHeaderHidden(true);

    view_present->setContextMenuPolicy(Qt::CustomContextMenu);
    connect(view_present, &QTreeView::customContextMenuRequested, this, &ProjectView::menu_popup);
    connect(view_present, &QTreeView::doubleClicked, this, &ProjectView::open_target);
    connect(view_present->selectionModel(),   &QItemSelectionModel::currentChanged, this, &ProjectView::currentIndexChanged);
}

QMenu *ProjectView::menGenerate(QMenu *m)
{
    if(!m)
        return menu_root;

    m->addAction("新建路径", [this](){
        auto path_string = QInputDialog::getText(this, "输入路径定义/packa/packb/packc", "路径定义：");
        if(path_string.isEmpty())
            return;

        source->postCommand(NewPackage(path_string));
    });

    auto index = this->view_present->currentIndex();
    if(index.isValid()){
        auto mgr = source->get<DocumentsManager>(NAME(DocumentsManager));
        auto menu = m->addMenu("新建文件");
        auto views = mgr->fileTypes();
        for (auto &it : views) {
            menu->addAction(it, [this, it, &index, mgr]() {
                auto name = QInputDialog::getText(this, "输入文件名称", "文件名称");
                auto path = mgr->convertPath(index);
                source->postCommand(NewFile(path, name, it));
            });
        }

        m->addSeparator();
        m->addAction("移除节点", [&index, this]() { source->postCommand(DeleteTarget(index)); });
    }
    return m;
}

ProjectView::ProjectView() : project_manager(nullptr), source(nullptr), view_present(nullptr), menu_root(nullptr) {}

ExtendView *ProjectView::newInst(QWidget *parent, XApp *core)
{
    return new ProjectView(parent, core->cmdsPort(), core->docsPort());
}

QMenu *ProjectView::bindMenu() const
{
    return menu_root;
}

QString ProjectView::typeName() const
{
    return "项目管理";
}

ExtendType ProjectView::type() const
{
    return ExtendType::FEATURE_PRESENT;
}

QWidget *ProjectView::presentWidget() const
{
    return const_cast<ProjectView*>(this);
}

void ProjectView::saveProcess() { project_manager->save(); }

void ProjectView::menu_popup(const QPoint &p)
{
    auto m = menGenerate();
    m->exec(mapToGlobal(p));
}

void ProjectView::open_target(const QModelIndex &t)
{
    auto mgr = source->get<DocumentsManager>(NAME(DocumentsManager));
    auto path = mgr->convertPath(t);
    source->postCommand(OpenFile(path));
}

void ProjectView::closeProcess() { project_manager->save(); }