/*  This file is part of FediPotato.
 *  Copyright © 2020 tastytea <tastytea@tastytea.de>
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, version 3.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "window_main.hpp"
#include "channel.hpp"
#include "dialog_about.hpp"
#include "widget_post.hpp"
#include "fedipotato.hpp"

#include <QDesktopServices>
#include <QUrl>
#include <QStandardItem>
#include <QFont>
#include <QDebug>

namespace FediPotato
{

MainWindow::MainWindow(QMainWindow *parent)
    : QMainWindow(parent)
    , _model_channel(new QStandardItemModel(this))
{
    setupUi(this);

    // Add account for testing.
    add_account();

    // Add some post widgets for testing.
    // FIXME: The widgets don't resize properly.
    QTreeWidgetItem *item_root{treewidget_posts->invisibleRootItem()};
    for (int i{0}; i < 2; ++i)
    {
        auto *pw1{new PostWidget(treewidget_posts)};
        pw1->set_user("@user@example.com");
        pw1->set_subject("Food");
        pw1->set_content("I ate a whole lot of potatos today!");
        pw1->set_avatar(":/images/no_avatar.svg");
        pw1->show_hide_elements();
        auto *item1{new QTreeWidgetItem};
        item_root->addChild(item1);
        treewidget_posts->setItemWidget(item1, 0, pw1);

        auto *pw2{new PostWidget(treewidget_posts)};
        pw2->set_user("@user@example.com");
        pw2->set_subject("Pseudo-latin");
        pw2->set_content("Aliquam feugiat tellus ut neque. Sed bibendum. "
                         "Mauris ac felis vel velit tristique imperdiet.");
        pw2->show_hide_elements();
        auto *item2{new QTreeWidgetItem};
        item1->addChild(item2);
        treewidget_posts->setItemWidget(item2, 0, pw2);

        auto *pw4{new PostWidget(treewidget_posts)};
        pw4->set_user("@user@example.com");
        pw4->set_content("Nam vestibulum accumsan nisl. "
                         "Praesent fermentum tempor tellus. Fusce commodo. "
                         "Phasellus purus. "
                         "Praesent fermentum tempor tellus.");
        pw4->show_hide_elements();
        auto *item4{new QTreeWidgetItem};
        item2->addChild(item4);
        treewidget_posts->setItemWidget(item4, 0, pw4);

        auto *pw3{new PostWidget(treewidget_posts)};
        pw3->set_user("@user@example.com");
        pw3->set_content("👍");
        pw3->show_hide_elements();
        auto *item3{new QTreeWidgetItem};
        item1->addChild(item3);
        treewidget_posts->setItemWidget(item3, 0, pw3);
    }
}

void MainWindow::add_account()
{
    QStandardItem *item_root{_model_channel->invisibleRootItem()};
    auto *item_account{new ChannelItem("@user@example.com", id_channel::none)};
    item_root->appendRow(item_account);

    // NOLINTNEXTLINE(cppcoreguidelines-owning-memory)
    item_account->appendRow(new ChannelItem("Home Timeline",
                                            id_channel::tl_home));
    // NOLINTNEXTLINE(cppcoreguidelines-owning-memory)
    item_account->appendRow(new ChannelItem("Instance Timeline",
                                            id_channel::tl_instance));
    // NOLINTNEXTLINE(cppcoreguidelines-owning-memory)
    item_account->appendRow(new ChannelItem("Federated Timeline",
                                            id_channel::tl_federated));
    // NOLINTNEXTLINE(cppcoreguidelines-owning-memory)
    item_account->appendRow(new ChannelItem("Conversations",
                                            id_channel::conversations));
    // NOLINTNEXTLINE(cppcoreguidelines-owning-memory)
    item_account->appendRow(new ChannelItem("#tea",
                                            id_channel::hashtag));
    // NOLINTNEXTLINE(cppcoreguidelines-owning-memory)
    item_account->appendRow(new ChannelItem("#FediPotato",
                                            id_channel::hashtag));

    treeview_channel->setModel(_model_channel);
    treeview_channel->expandAll();

    QFont font_channel{treeview_channel->font()};
    font_channel.setPointSize(font_channel.pointSize() + 2);
    treeview_channel->setFont(font_channel);

    FediPotato acc("FediPotato");
}

void MainWindow::show_about()
{
    auto *dlg{new AboutDialog()}; // NOLINT(cppcoreguidelines-owning-memory)
    dlg->show();
}

void MainWindow::open_website()
{
    QDesktopServices::openUrl(QUrl("http://fedipotato.org/"));
}

void MainWindow::clicked_channel(const QModelIndex &index)
{
    auto item{dynamic_cast<ChannelItem*>(_model_channel->itemFromIndex(index))};

    switch (item->identifier())
    {
    case id_channel::none:
    {
        qDebug() << "None.";
        break;
    }
    case id_channel::tl_home:
    {
        qDebug() << "Home TL.";
        break;
    }
    case id_channel::tl_instance:
    {
        qDebug() << "Instance TL.";
        break;
    }
    case id_channel::tl_federated:
    {
        qDebug() << "Federated TL.";
        break;
    }
    case id_channel::conversations:
    {
        qDebug() << "Conversations.";
        break;
    }
    case id_channel::hashtag:
    {
        qDebug() << "Hashtag.";
        break;
    }
    case id_channel::filter:
    {
        qDebug() << "Filter.";
        break;
    }
    }
}

} // namespace FediPotato