// SPDX-License-Identifier: GPL-3.0-only
/*
 *  Prism Launcher - Minecraft Launcher
 *  Copyright (c) 2022 flowln <flowlnlnln@gmail.com>
 *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 * This file incorporates work covered by the following copyright and
 * permission notice:
 *
 *      Copyright 2013-2021 MultiMC Contributors
 *
 *      Licensed under the Apache License, Version 2.0 (the "License");
 *      you may not use this file except in compliance with the License.
 *      You may obtain a copy of the License at
 *
 *          http://www.apache.org/licenses/LICENSE-2.0
 *
 *      Unless required by applicable law or agreed to in writing, software
 *      distributed under the License is distributed on an "AS IS" BASIS,
 *      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *      See the License for the specific language governing permissions and
 *      limitations under the License.
 */

#include "ResourcePackFolderModel.h"
#include <qnamespace.h>
#include <qsize.h>

#include <QIcon>
#include <QStyle>

#include "Application.h"
#include "Version.h"

#include "minecraft/mod/tasks/LocalDataPackParseTask.h"

ResourcePackFolderModel::ResourcePackFolderModel(const QDir& dir, BaseInstance* instance, bool is_indexed, bool create_dir, QObject* parent)
    : ResourceFolderModel(dir, instance, is_indexed, create_dir, parent)
{
    m_column_names = QStringList({ "Enable", "Image", "Name", "Pack Format", "Last Modified", "Provider", "Size" });
    m_column_names_translated =
        QStringList({ tr("Enable"), tr("Image"), tr("Name"), tr("Pack Format"), tr("Last Modified"), tr("Provider"), tr("Size") });
    m_column_sort_keys = { SortType::ENABLED, SortType::NAME,     SortType::NAME, SortType::PACK_FORMAT,
                           SortType::DATE,    SortType::PROVIDER, SortType::SIZE };
    m_column_resize_modes = { QHeaderView::Interactive, QHeaderView::Interactive, QHeaderView::Stretch,    QHeaderView::Interactive,
                              QHeaderView::Interactive, QHeaderView::Interactive, QHeaderView::Interactive };
    m_columnsHideable = { false, true, false, true, true, true, true };
}

QVariant ResourcePackFolderModel::data(const QModelIndex& index, int role) const
{
    if (!validateIndex(index))
        return {};

    int row = index.row();
    int column = index.column();

    switch (role) {
        case Qt::DisplayRole:
            switch (column) {
                case NameColumn:
                    return m_resources[row]->name();
                case PackFormatColumn: {
                    auto& resource = at(row);
                    auto pack_format = resource.packFormat();
                    if (pack_format == 0)
                        return tr("Unrecognized");

                    auto version_bounds = resource.compatibleVersions();
                    if (version_bounds.first.toString().isEmpty())
                        return QString::number(pack_format);

                    return QString("%1 (%2 - %3)")
                        .arg(QString::number(pack_format), version_bounds.first.toString(), version_bounds.second.toString());
                }
                case DateColumn:
                    return m_resources[row]->dateTimeChanged();
                case ProviderColumn:
                    return m_resources[row]->provider();
                case SizeColumn:
                    return m_resources[row]->sizeStr();
                default:
                    return {};
            }
        case Qt::DecorationRole: {
            if (column == NameColumn && (at(row).isSymLinkUnder(instDirPath()) || at(row).isMoreThanOneHardLink()))
                return APPLICATION->getThemedIcon("status-yellow");
            if (column == ImageColumn) {
                return at(row).image({ 32, 32 }, Qt::AspectRatioMode::KeepAspectRatioByExpanding);
            }
            return {};
        }
        case Qt::ToolTipRole: {
            if (column == PackFormatColumn) {
                //: The string being explained by this is in the format: ID (Lower version - Upper version)
                return tr("The resource pack format ID, as well as the Minecraft versions it was designed for.");
            }
            if (column == NameColumn) {
                if (at(row).isSymLinkUnder(instDirPath())) {
                    return m_resources[row]->internal_id() +
                           tr("\nWarning: This resource is symbolically linked from elsewhere. Editing it will also change the original."
                              "\nCanonical Path: %1")
                               .arg(at(row).fileinfo().canonicalFilePath());
                    ;
                }
                if (at(row).isMoreThanOneHardLink()) {
                    return m_resources[row]->internal_id() +
                           tr("\nWarning: This resource is hard linked elsewhere. Editing it will also change the original.");
                }
            }
            return m_resources[row]->internal_id();
        }
        case Qt::SizeHintRole:
            if (column == ImageColumn) {
                return QSize(32, 32);
            }
            return {};
        case Qt::CheckStateRole:
            if (column == ActiveColumn)
                return at(row).enabled() ? Qt::Checked : Qt::Unchecked;
            return {};
        default:
            return {};
    }
}

QVariant ResourcePackFolderModel::headerData(int section, [[maybe_unused]] Qt::Orientation orientation, int role) const
{
    switch (role) {
        case Qt::DisplayRole:
            switch (section) {
                case ActiveColumn:
                case NameColumn:
                case PackFormatColumn:
                case DateColumn:
                case ImageColumn:
                case ProviderColumn:
                case SizeColumn:
                    return columnNames().at(section);
                default:
                    return {};
            }

        case Qt::ToolTipRole:
            switch (section) {
                case ActiveColumn:
                    return tr("Is the resource pack enabled?");
                case NameColumn:
                    return tr("The name of the resource pack.");
                case PackFormatColumn:
                    //: The string being explained by this is in the format: ID (Lower version - Upper version)
                    return tr("The resource pack format ID, as well as the Minecraft versions it was designed for.");
                case DateColumn:
                    return tr("The date and time this resource pack was last changed (or added).");
                case ProviderColumn:
                    return tr("The source provider of the resource pack.");
                case SizeColumn:
                    return tr("The size of the resource pack.");
                default:
                    return {};
            }
        case Qt::SizeHintRole:
            if (section == ImageColumn) {
                return QSize(64, 0);
            }
            return {};
        default:
            return {};
    }
}

int ResourcePackFolderModel::columnCount(const QModelIndex& parent) const
{
    return parent.isValid() ? 0 : NUM_COLUMNS;
}

Task* ResourcePackFolderModel::createParseTask(Resource& resource)
{
    return new LocalDataPackParseTask(m_next_resolution_ticket, dynamic_cast<ResourcePack*>(&resource));
}
