/*
 * This file is part of ComputerCraft - http://www.computercraft.info
 * Copyright Daniel Ratcliffe, 2011-2021. Do not distribute without permission.
 * Send enquiries to dratcliffe@gmail.com
 */

package dan200.computercraft.client;

import dan200.computercraft.fabric.mixin.ChatHudAccess;
import dan200.computercraft.shared.command.text.ChatHelpers;
import dan200.computercraft.shared.command.text.TableBuilder;
import dan200.computercraft.shared.command.text.TableFormatter;
import it.unimi.dsi.fastutil.ints.Int2IntOpenHashMap;
import net.minecraft.client.MinecraftClient;
import net.minecraft.client.font.TextRenderer;
import net.minecraft.client.gui.hud.ChatHud;
import net.minecraft.text.Text;
import net.minecraft.util.Formatting;
import net.minecraft.util.math.MathHelper;
import org.apache.commons.lang3.StringUtils;

import javax.annotation.Nullable;

@SuppressWarnings( {
    "MethodCallSideOnly",
    "LocalVariableDeclarationSideOnly"
} )
public class ClientTableFormatter implements TableFormatter
{
    public static final ClientTableFormatter INSTANCE = new ClientTableFormatter();

    private static Int2IntOpenHashMap lastHeights = new Int2IntOpenHashMap();

    @Override
    @Nullable
    public Text getPadding( Text component, int width )
    {
        int extraWidth = width - getWidth( component );
        if( extraWidth <= 0 )
        {
            return null;
        }

        TextRenderer renderer = renderer();

        float spaceWidth = renderer.getWidth( " " );
        int spaces = MathHelper.floor( extraWidth / spaceWidth );
        int extra = extraWidth - (int) (spaces * spaceWidth);

        return ChatHelpers.coloured( StringUtils.repeat( ' ', spaces ) + StringUtils.repeat( (char) 712, extra ), Formatting.GRAY );
    }

    private static TextRenderer renderer()
    {
        return MinecraftClient.getInstance().textRenderer;
    }

    @Override
    public int getColumnPadding()
    {
        return 3;
    }

    @Override
    public int getWidth( Text component )
    {
        return renderer().getWidth( component );
    }

    @Override
    public void writeLine( int id, Text component )
    {
        MinecraftClient mc = MinecraftClient.getInstance();
        ChatHud chat = mc.inGameHud.getChatHud();

        // TODO: Trim the text if it goes over the allowed length
        // int maxWidth = MathHelper.floor( chat.getChatWidth() / chat.getScale() );
        // List<ITextProperties> list = RenderComponentsUtil.func_238505_a_( component, maxWidth, mc.fontRenderer );
        // if( !list.isEmpty() ) chat.printChatMessageWithOptionalDeletion( list.get( 0 ), id );
        ((ChatHudAccess) chat).callAddMessage( component, id );
    }

    @Override
    public int display( TableBuilder table )
    {
        ChatHud chat = MinecraftClient.getInstance().inGameHud.getChatHud();

        int lastHeight = lastHeights.get( table.getId() );

        int height = TableFormatter.super.display( table );
        lastHeights.put( table.getId(), height );

        for( int i = height; i < lastHeight; i++ )
        {
            ((ChatHudAccess) chat).callRemoveMessage( i + table.getId() );
        }
        return height;
    }
}