/*
 * Copyright (C) 2013 Moribus
 * Copyright (C) 2015 ProkopyL <prokopylmc@gmail.com>
 *
 * 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, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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 <http://www.gnu.org/licenses/>.
 */

package fr.moribus.imageonmap.gui;

import fr.moribus.imageonmap.map.ImageMap;
import fr.moribus.imageonmap.map.PosterMap;
import fr.moribus.imageonmap.map.SingleMap;
import fr.moribus.imageonmap.ui.MapItemManager;
import fr.zcraft.zlib.components.gui.ExplorerGui;
import fr.zcraft.zlib.components.gui.Gui;
import fr.zcraft.zlib.components.gui.GuiAction;
import fr.zcraft.zlib.components.gui.PromptGui;
import fr.zcraft.zlib.components.i18n.I;
import fr.zcraft.zlib.tools.Callback;
import fr.zcraft.zlib.tools.items.ItemStackBuilder;
import org.apache.commons.lang.ArrayUtils;
import org.bukkit.Material;
import org.bukkit.inventory.ItemStack;


public class MapDetailGui extends ExplorerGui<Short>
{
    private final ImageMap map;

    public MapDetailGui(ImageMap map)
    {
        this.map = map;
    }

    @Override
    protected ItemStack getViewItem(int x, int y)
    {
        Material partMaterial = Material.PAPER;
        if((y % 2 == 0 && x % 2 == 0) || (y % 2 == 1 && x % 2 == 1))
            partMaterial = Material.EMPTY_MAP;

        return new ItemStackBuilder(partMaterial)
                .title(I.t(getPlayerLocale(), "{green}Map part"))
                .lore(I.t(getPlayerLocale(), "{gray}Column: {white}{0}", y + 1))
                .lore(I.t(getPlayerLocale(), "{gray}Row: {white}{0}", x + 1))
                .loreLine()
                .lore(I.t(getPlayerLocale(), "{gray}» {white}Click{gray} to get only this part"))
                .item();
    }
    
    @Override
    protected ItemStack getViewItem(Short mapId)
    {
        int index = ((PosterMap) map).getIndex(mapId);
        Material partMaterial = Material.PAPER;
        if(index % 2 == 0)
            partMaterial = Material.EMPTY_MAP;

        return new ItemStackBuilder(partMaterial)
                .title(I.t(getPlayerLocale(), "{green}Map part"))
                .lore(I.t(getPlayerLocale(), "{gray}Part: {white}{0}", index + 1))
                .loreLine()
                .lore(I.t(getPlayerLocale(), "{gray}» {white}Click{gray} to get only this part"))
                .item();
    }
    
    @Override
    protected ItemStack getPickedUpItem(int x, int y)
    {
        if(map instanceof SingleMap)
        {
            return MapItemManager.createMapItem((SingleMap)map);
        }
        else if(map instanceof PosterMap)
        {
            return MapItemManager.createMapItem((PosterMap)map, x, y);
        }
        
        throw new IllegalStateException("Unsupported map type: " + map.getType());
    }

    @Override
    protected ItemStack getPickedUpItem(Short mapId)
    {
        PosterMap poster = (PosterMap) map;
        return MapItemManager.createMapItem(poster, poster.getIndex(mapId));
    }
    
    @Override
    protected ItemStack getEmptyViewItem()
    {
        if(map instanceof SingleMap)
        {
            return getViewItem(0, 0);
        }
        else return super.getEmptyViewItem();
    }

    @Override
    protected void onUpdate()
    {
        /// Title of the map details GUI
        setTitle(I.t(getPlayerLocale(), "Your maps » {black}{0}", map.getName()));
        setKeepHorizontalScrollingSpace(true);

        if(map instanceof PosterMap)
        {
            PosterMap poster = (PosterMap) map;
            if(poster.hasColumnData())
            {
                setDataShape(poster.getColumnCount(), poster.getRowCount());
            }
            else
            {
                setData(ArrayUtils.toObject(poster.getMapsIDs()));
            }
        }
        else
        {
            setDataShape(1,1); 
        }


        action("rename", getSize() - 7, new ItemStackBuilder(Material.BOOK_AND_QUILL)
                .title(I.t(getPlayerLocale(), "{blue}Rename this image"))
                .longLore(I.t(getPlayerLocale(), "{gray}Click here to rename this image; this is used for your own organization."))
        );

        action("delete", getSize() - 6, new ItemStackBuilder(Material.BARRIER)
                .title(I.t(getPlayerLocale(), "{red}Delete this image"))
                .longLore(I.t(getPlayerLocale(), "{gray}Deletes this map {white}forever{gray}. This action cannot be undone!"))
                .loreLine()
                .longLore(I.t(getPlayerLocale(), "{gray}You will be asked to confirm your choice if you click here."))
        );


        // To keep the controls centered, the back button is shifted to the right when the
        // arrow isn't displayed, so when the map fit on the grid without sliders.
        int backSlot = getSize() - 4;

        if(map instanceof PosterMap && ((PosterMap) map).getColumnCount() <= INVENTORY_ROW_SIZE)
            backSlot++;

        action("back", backSlot, new ItemStackBuilder(Material.EMERALD)
                .title(I.t(getPlayerLocale(), "{green}« Back"))
                        .lore(I.t(getPlayerLocale(), "{gray}Go back to the list."))
        );
    }


    @GuiAction ("rename")
    public void rename()
    {
        PromptGui.prompt(getPlayer(), new Callback<String>()
        {
            @Override
            public void call(String newName)
            {
                if (newName == null || newName.isEmpty())
                {
                    I.sendT(getPlayer(), "{ce}Map names can't be empty.");
                    return;
                }

                map.rename(newName);
                I.sendT(getPlayer(), "{cs}Map successfully renamed.");
            }
        }, map.getName(), this);
    }

    @GuiAction ("delete")
    public void delete()
    {
        Gui.open(getPlayer(), new ConfirmDeleteMapGui(map), this);
    }

    @GuiAction ("back")
    public void back()
    {
        close();
    }
}