package net.minecraft.client.tutorial;

import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.components.toasts.TutorialToast;
import net.minecraft.client.multiplayer.ClientLevel;
import net.minecraft.client.player.LocalPlayer;
import net.minecraft.core.Holder;
import net.minecraft.core.registries.BuiltInRegistries;
import net.minecraft.network.chat.Component;
import net.minecraft.stats.Stats;
import net.minecraft.tags.BlockTags;
import net.minecraft.tags.ItemTags;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.phys.BlockHitResult;
import net.minecraft.world.phys.HitResult;
import net.minecraft.world.phys.HitResult.Type;
import org.jetbrains.annotations.Nullable;

@Environment(EnvType.CLIENT)
public class FindTreeTutorialStepInstance implements TutorialStepInstance {
	private static final int HINT_DELAY = 6000;
	private static final Component TITLE = Component.translatable("tutorial.find_tree.title");
	private static final Component DESCRIPTION = Component.translatable("tutorial.find_tree.description");
	private final Tutorial tutorial;
	@Nullable
	private TutorialToast toast;
	private int timeWaiting;

	public FindTreeTutorialStepInstance(Tutorial tutorial) {
		this.tutorial = tutorial;
	}

	@Override
	public void tick() {
		this.timeWaiting++;
		if (!this.tutorial.isSurvival()) {
			this.tutorial.setStep(TutorialSteps.NONE);
		} else {
			Minecraft minecraft = this.tutorial.getMinecraft();
			if (this.timeWaiting == 1) {
				LocalPlayer localPlayer = minecraft.player;
				if (localPlayer != null && (hasCollectedTreeItems(localPlayer) || hasPunchedTreesPreviously(localPlayer))) {
					this.tutorial.setStep(TutorialSteps.CRAFT_PLANKS);
					return;
				}
			}

			if (this.timeWaiting >= 6000 && this.toast == null) {
				this.toast = new TutorialToast(minecraft.font, TutorialToast.Icons.TREE, TITLE, DESCRIPTION, false);
				minecraft.getToastManager().addToast(this.toast);
			}
		}
	}

	@Override
	public void clear() {
		if (this.toast != null) {
			this.toast.hide();
			this.toast = null;
		}
	}

	@Override
	public void onLookAt(ClientLevel level, HitResult result) {
		if (result.getType() == Type.BLOCK) {
			BlockState blockState = level.getBlockState(((BlockHitResult)result).getBlockPos());
			if (blockState.is(BlockTags.COMPLETES_FIND_TREE_TUTORIAL)) {
				this.tutorial.setStep(TutorialSteps.PUNCH_TREE);
			}
		}
	}

	@Override
	public void onGetItem(ItemStack stack) {
		if (stack.is(ItemTags.COMPLETES_FIND_TREE_TUTORIAL)) {
			this.tutorial.setStep(TutorialSteps.CRAFT_PLANKS);
		}
	}

	private static boolean hasCollectedTreeItems(LocalPlayer player) {
		return player.getInventory().hasAnyMatching(itemStack -> itemStack.is(ItemTags.COMPLETES_FIND_TREE_TUTORIAL));
	}

	public static boolean hasPunchedTreesPreviously(LocalPlayer player) {
		for (Holder<Block> holder : BuiltInRegistries.BLOCK.getTagOrEmpty(BlockTags.COMPLETES_FIND_TREE_TUTORIAL)) {
			Block block = holder.value();
			if (player.getStats().getValue(Stats.BLOCK_MINED.get(block)) > 0) {
				return true;
			}
		}

		return false;
	}
}