package net.minecraft.client.renderer.blockentity;

import com.mojang.blaze3d.vertex.PoseStack;
import com.mojang.blaze3d.vertex.VertexConsumer;
import com.mojang.math.Axis;
import java.util.Calendar;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.client.model.ChestModel;
import net.minecraft.client.model.geom.ModelLayers;
import net.minecraft.client.renderer.MultiBufferSource;
import net.minecraft.client.renderer.RenderType;
import net.minecraft.client.renderer.Sheets;
import net.minecraft.client.renderer.blockentity.BlockEntityRendererProvider.Context;
import net.minecraft.client.resources.model.Material;
import net.minecraft.core.Direction;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.AbstractChestBlock;
import net.minecraft.world.level.block.Blocks;
import net.minecraft.world.level.block.ChestBlock;
import net.minecraft.world.level.block.DoubleBlockCombiner.Combiner;
import net.minecraft.world.level.block.DoubleBlockCombiner.NeighborCombineResult;
import net.minecraft.world.level.block.entity.BlockEntity;
import net.minecraft.world.level.block.entity.ChestBlockEntity;
import net.minecraft.world.level.block.entity.LidBlockEntity;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.block.state.properties.ChestType;
import net.minecraft.world.level.block.state.properties.Property;
import net.minecraft.world.phys.Vec3;

@Environment(EnvType.CLIENT)
public class ChestRenderer<T extends BlockEntity & LidBlockEntity> implements BlockEntityRenderer<T> {
	private final ChestModel singleModel;
	private final ChestModel doubleLeftModel;
	private final ChestModel doubleRightModel;
	private final boolean xmasTextures = xmasTextures();

	public ChestRenderer(Context context) {
		this.singleModel = new ChestModel(context.bakeLayer(ModelLayers.CHEST));
		this.doubleLeftModel = new ChestModel(context.bakeLayer(ModelLayers.DOUBLE_CHEST_LEFT));
		this.doubleRightModel = new ChestModel(context.bakeLayer(ModelLayers.DOUBLE_CHEST_RIGHT));
	}

	public static boolean xmasTextures() {
		Calendar calendar = Calendar.getInstance();
		return calendar.get(2) + 1 == 12 && calendar.get(5) >= 24 && calendar.get(5) <= 26;
	}

	@Override
	public void render(T blockEntity, float partialTick, PoseStack poseStack, MultiBufferSource bufferSource, int packedLight, int packedOverlay, Vec3 cameraPos) {
		Level level = blockEntity.getLevel();
		boolean bl = level != null;
		BlockState blockState = bl ? blockEntity.getBlockState() : Blocks.CHEST.defaultBlockState().setValue((Property<T>)ChestBlock.FACING, Direction.SOUTH);
		ChestType chestType = blockState.hasProperty(ChestBlock.TYPE) ? blockState.getValue(ChestBlock.TYPE) : ChestType.SINGLE;
		if (blockState.getBlock() instanceof AbstractChestBlock<?> abstractChestBlock) {
			boolean bl2 = chestType != ChestType.SINGLE;
			poseStack.pushPose();
			float f = ((Direction)blockState.getValue((Property<T>)ChestBlock.FACING)).toYRot();
			poseStack.translate(0.5F, 0.5F, 0.5F);
			poseStack.mulPose(Axis.YP.rotationDegrees(-f));
			poseStack.translate(-0.5F, -0.5F, -0.5F);
			NeighborCombineResult<? extends ChestBlockEntity> neighborCombineResult;
			if (bl) {
				neighborCombineResult = abstractChestBlock.combine(blockState, level, blockEntity.getBlockPos(), true);
			} else {
				neighborCombineResult = Combiner::acceptNone;
			}

			float g = neighborCombineResult.apply(ChestBlock.opennessCombiner(blockEntity)).get(partialTick);
			g = 1.0F - g;
			g = 1.0F - g * g * g;
			int i = neighborCombineResult.apply(new BrightnessCombiner<>()).applyAsInt(packedLight);
			Material material = Sheets.chooseMaterial(blockEntity, chestType, this.xmasTextures);
			VertexConsumer vertexConsumer = material.buffer(bufferSource, RenderType::entityCutout);
			if (bl2) {
				if (chestType == ChestType.LEFT) {
					this.render(poseStack, vertexConsumer, this.doubleLeftModel, g, i, packedOverlay);
				} else {
					this.render(poseStack, vertexConsumer, this.doubleRightModel, g, i, packedOverlay);
				}
			} else {
				this.render(poseStack, vertexConsumer, this.singleModel, g, i, packedOverlay);
			}

			poseStack.popPose();
		}
	}

	private void render(PoseStack poseStack, VertexConsumer buffer, ChestModel model, float openness, int packedLight, int packedOverlay) {
		model.setupAnim(openness);
		model.renderToBuffer(poseStack, buffer, packedLight, packedOverlay);
	}
}