package net.minecraft.server.dialog.input;

import com.mojang.serialization.Codec;
import com.mojang.serialization.DataResult;
import com.mojang.serialization.MapCodec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import java.util.Optional;
import net.minecraft.network.chat.Component;
import net.minecraft.network.chat.ComponentSerialization;
import net.minecraft.server.dialog.Dialog;
import net.minecraft.util.ExtraCodecs;

public record TextInput(int width, Component label, boolean labelVisible, String initial, int maxLength, Optional<TextInput.MultilineOptions> multiline)
	implements InputControl {
	public static final MapCodec<TextInput> MAP_CODEC = RecordCodecBuilder.<TextInput>mapCodec(
			instance -> instance.group(
					Dialog.WIDTH_CODEC.optionalFieldOf("width", 200).forGetter(TextInput::width),
					ComponentSerialization.CODEC.fieldOf("label").forGetter(TextInput::label),
					Codec.BOOL.optionalFieldOf("label_visible", true).forGetter(TextInput::labelVisible),
					Codec.STRING.optionalFieldOf("initial", "").forGetter(TextInput::initial),
					ExtraCodecs.POSITIVE_INT.optionalFieldOf("max_length", 32).forGetter(TextInput::maxLength),
					TextInput.MultilineOptions.CODEC.optionalFieldOf("multiline").forGetter(TextInput::multiline)
				)
				.apply(instance, TextInput::new)
		)
		.validate(
			textInput -> textInput.initial.length() > textInput.maxLength()
				? DataResult.error(() -> "Default text length exceeds allowed size")
				: DataResult.success(textInput)
		);

	@Override
	public MapCodec<TextInput> mapCodec() {
		return MAP_CODEC;
	}

	public record MultilineOptions(Optional<Integer> maxLines, Optional<Integer> height) {
		public static final int MAX_HEIGHT = 512;
		public static final Codec<TextInput.MultilineOptions> CODEC = RecordCodecBuilder.create(
			instance -> instance.group(
					ExtraCodecs.POSITIVE_INT.optionalFieldOf("max_lines").forGetter(TextInput.MultilineOptions::maxLines),
					ExtraCodecs.intRange(1, 512).optionalFieldOf("height").forGetter(TextInput.MultilineOptions::height)
				)
				.apply(instance, TextInput.MultilineOptions::new)
		);
	}
}