#include <boost/filesystem.hpp>
#include <QStandardPaths>
#include <pugixml.hpp>

#include <properties/config.h>
#include "appdatastorage.h"

namespace Ember
{

boost::filesystem::path AppDataStorage::s_appData;
boost::filesystem::path AppDataStorage::s_recentProjects;

void AppDataStorage::initialize()
{
    QString appData = QStandardPaths::writableLocation(QStandardPaths::AppDataLocation);
    s_appData = appData.toStdString();
    s_recentProjects = s_appData;
    s_recentProjects += RECENT_PROJECTS_FILENAME;
}

void AppDataStorage::readRecentProjects(std::vector<RecentProject> &projects)
{
    if (boost::filesystem::exists(s_recentProjects))
    {
        pugi::xml_document doc;
        doc.load_file(s_recentProjects.c_str());

        for (auto& node : doc.document_element())
        {
            if (strcmp(node.name(), "recentProject") == 0)
            {
                RecentProject recent;
                recent.name = node.attribute("name").as_string();
                recent.path = node.attribute("path").as_string();
                recent.access = static_cast<time_t>(node.attribute("access").as_llong());
                recent.pinned = node.attribute("pinned").as_bool();
                projects.push_back(recent);
            }
        }
    }
}

void AppDataStorage::storeRecentProjects(const std::vector<RecentProject> &projects)
{
    pugi::xml_document doc;
    doc.append_child(pugi::node_declaration);

    auto root = doc.append_child("recentProjects");
    for (RecentProject recent : projects)
    {
        auto node = root.append_child("recentProject");
        node.append_attribute("name").set_value(recent.name.c_str());
        node.append_attribute("path").set_value(recent.path.c_str());
        node.append_attribute("access").set_value(static_cast<long long>(recent.access));
        node.append_attribute("pinned").set_value(recent.pinned);
    }

    // Save file, ensure directory exists
    boost::filesystem::create_directories(s_appData);
    doc.save_file(s_recentProjects.string().c_str());
}

}