package net.minecraft.client.multiplayer;

import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.client.player.LocalPlayer;
import net.minecraft.client.renderer.LevelRenderer;
import net.minecraft.core.BlockPos;

@Environment(EnvType.CLIENT)
public class LevelLoadStatusManager {
	private final LocalPlayer player;
	private final ClientLevel level;
	private final LevelRenderer levelRenderer;
	private LevelLoadStatusManager.Status status = LevelLoadStatusManager.Status.WAITING_FOR_SERVER;

	public LevelLoadStatusManager(LocalPlayer player, ClientLevel level, LevelRenderer levelRenderer) {
		this.player = player;
		this.level = level;
		this.levelRenderer = levelRenderer;
	}

	public void tick() {
		switch (this.status) {
			case WAITING_FOR_PLAYER_CHUNK:
				BlockPos blockPos = this.player.blockPosition();
				boolean bl = this.level.isOutsideBuildHeight(blockPos.getY());
				if (bl || this.levelRenderer.isSectionCompiled(blockPos) || this.player.isSpectator() || !this.player.isAlive()) {
					this.status = LevelLoadStatusManager.Status.LEVEL_READY;
				}
			case WAITING_FOR_SERVER:
			case LEVEL_READY:
		}
	}

	public boolean levelReady() {
		return this.status == LevelLoadStatusManager.Status.LEVEL_READY;
	}

	public void loadingPacketsReceived() {
		if (this.status == LevelLoadStatusManager.Status.WAITING_FOR_SERVER) {
			this.status = LevelLoadStatusManager.Status.WAITING_FOR_PLAYER_CHUNK;
		}
	}

	@Environment(EnvType.CLIENT)
	static enum Status {
		WAITING_FOR_SERVER,
		WAITING_FOR_PLAYER_CHUNK,
		LEVEL_READY;
	}
}