/*
 * This file is part of Applied Energistics 2.
 * Copyright (c) 2013 - 2018, AlgorithmX2, All rights reserved.
 *
 * Applied Energistics 2 is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Applied Energistics 2 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Applied Energistics 2.  If not, see <http://www.gnu.org/licenses/lgpl>.
 */

package appeng.client.me;


import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.regex.Pattern;

import javax.annotation.Nonnull;

import appeng.api.AEApi;
import appeng.api.config.Settings;
import appeng.api.config.SortOrder;
import appeng.api.config.ViewItems;
import appeng.api.config.YesNo;
import appeng.api.storage.channels.IFluidStorageChannel;
import appeng.api.storage.data.IAEFluidStack;
import appeng.api.storage.data.IItemList;
import appeng.client.gui.widgets.IScrollSource;
import appeng.client.gui.widgets.ISortSource;
import appeng.core.AEConfig;
import appeng.fluids.util.FluidSorters;
import appeng.util.Platform;
import appeng.util.prioritylist.IPartitionList;


/**
 * @author BrockWS
 * @version rv6 - 22/05/2018
 * @since rv6 22/05/2018
 */
public class FluidRepo
{
	private final IItemList<IAEFluidStack> list = AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ).createList();
	private final ArrayList<IAEFluidStack> view = new ArrayList<>();
	private final IScrollSource src;
	private final ISortSource sortSrc;

	private int rowSize = 9;

	private String searchString = "";
	private IPartitionList<IAEFluidStack> myPartitionList;
	private boolean hasPower;

	public FluidRepo( final IScrollSource src, final ISortSource sortSrc )
	{
		this.src = src;
		this.sortSrc = sortSrc;
	}

	public void updateView()
	{
		this.view.clear();

		this.view.ensureCapacity( this.list.size() );

		String innerSearch = this.searchString;

		boolean searchMod = false;
		if( innerSearch.startsWith( "@" ) )
		{
			searchMod = true;
			innerSearch = innerSearch.substring( 1 );
		}

		Pattern m;
		try
		{
			m = Pattern.compile( innerSearch.toLowerCase(), Pattern.CASE_INSENSITIVE );
		}
		catch( final Exception ignore1 )
		{
			try
			{
				m = Pattern.compile( Pattern.quote( innerSearch.toLowerCase() ), Pattern.CASE_INSENSITIVE );
			}
			catch( final Exception ignore2 )
			{
				return;
			}
		}

		final Enum viewMode = this.sortSrc.getSortDisplay();
		final boolean needsZeroCopy = viewMode == ViewItems.CRAFTABLE;
		final boolean terminalSearchToolTips = AEConfig.instance().getConfigManager().getSetting( Settings.SEARCH_TOOLTIPS ) != YesNo.NO;

		boolean notDone = false;
		for( IAEFluidStack fs : this.list )
		{
			if( this.myPartitionList != null && !this.myPartitionList.isListed( fs ) )
			{
				continue;
			}

			if( viewMode == ViewItems.CRAFTABLE && !fs.isCraftable() )
			{
				continue;
			}

			if( viewMode == ViewItems.STORED && fs.getStackSize() == 0 )
			{
				continue;
			}

			final String dspName = searchMod ? Platform.getModId( fs ) : Platform.getFluidDisplayName( fs );
			boolean foundMatchingFluidStack = false;
			notDone = true;

			if( m.matcher( dspName.toLowerCase() ).find() )
			{
				notDone = false;
				foundMatchingFluidStack = true;
			}

			if( terminalSearchToolTips && notDone && !searchMod )
			{
				final List<String> tooltip = Platform.getTooltip( fs );

				for( final String line : tooltip )
				{
					if( m.matcher( line ).find() )
					{
						foundMatchingFluidStack = true;
						break;
					}
				}
			}

			if( foundMatchingFluidStack )
			{
				if( needsZeroCopy )
				{
					fs = fs.copy();
					fs.setStackSize( 0 );
				}

				this.view.add( fs );
			}
		}

		final Enum sortBy = this.sortSrc.getSortBy();
		final Enum sortDir = this.sortSrc.getSortDir();

		FluidSorters.setDirection( (appeng.api.config.SortDir) sortDir );

		if( sortBy == SortOrder.MOD )
		{
			Collections.sort( this.view, FluidSorters.CONFIG_BASED_SORT_BY_MOD );
		}
		else if( sortBy == SortOrder.AMOUNT )
		{
			Collections.sort( this.view, FluidSorters.CONFIG_BASED_SORT_BY_SIZE );
		}
		else
		{
			Collections.sort( this.view, FluidSorters.CONFIG_BASED_SORT_BY_NAME );
		}
	}

	public void postUpdate( final IAEFluidStack is )
	{
		final IAEFluidStack st = this.list.findPrecise( is );

		if( st != null )
		{
			st.reset();
			st.add( is );
		}
		else
		{
			this.list.add( is );
		}
	}

	public IAEFluidStack getReferenceFluid( int idx )
	{
		idx += this.src.getCurrentScroll() * this.rowSize;

		if( idx >= this.view.size() )
		{
			return null;
		}
		return this.view.get( idx );
	}

	public int size()
	{
		return this.view.size();
	}

	public void clear()
	{
		this.list.resetStatus();
	}

	public boolean hasPower()
	{
		return this.hasPower;
	}

	public void setPower( final boolean hasPower )
	{
		this.hasPower = hasPower;
	}

	public int getRowSize()
	{
		return this.rowSize;
	}

	public void setRowSize( final int rowSize )
	{
		this.rowSize = rowSize;
	}

	public String getSearchString()
	{
		return this.searchString;
	}

	public void setSearchString( @Nonnull final String searchString )
	{
		this.searchString = searchString;
	}
}