package net.minecraft.client.gui.narration;

import java.util.List;
import java.util.function.BiConsumer;
import java.util.function.Consumer;
import net.minecraft.network.chat.Component;
import net.minecraft.util.Unit;

public class NarrationThunk<T> {
	private final T contents;
	private final BiConsumer<Consumer<String>, T> converter;
	public static final NarrationThunk<?> EMPTY = new NarrationThunk<>(Unit.INSTANCE, (o, c) -> {});

	private NarrationThunk(final T contents, final BiConsumer<Consumer<String>, T> converter) {
		this.contents = contents;
		this.converter = converter;
	}

	public static NarrationThunk<?> from(final String text) {
		return new NarrationThunk<>(text, Consumer::accept);
	}

	public static NarrationThunk<?> from(final Component text) {
		return new NarrationThunk<>(text, (o, c) -> o.accept(c.getString()));
	}

	public static NarrationThunk<?> from(final List<Component> lines) {
		return new NarrationThunk<>(lines, (o, c) -> lines.stream().map(Component::getString).forEach(o));
	}

	public void getText(final Consumer<String> output) {
		this.converter.accept(output, this.contents);
	}

	public boolean equals(final Object o) {
		if (this == o) {
			return true;
		} else {
			return !(o instanceof NarrationThunk<?> thunk) ? false : thunk.converter == this.converter && thunk.contents.equals(this.contents);
		}
	}

	public int hashCode() {
		int result = this.contents.hashCode();
		return 31 * result + this.converter.hashCode();
	}
}