package com.thebrokenrail.reliccraft.client;

import com.thebrokenrail.reliccraft.RelicCraft;
import com.thebrokenrail.reliccraft.client.entity.RelicEntityRenderer;
import com.thebrokenrail.reliccraft.item.RelicItem;
import com.thebrokenrail.reliccraft.packet.UpdateTimeDilationS2CPacket;
import net.fabricmc.api.ClientModInitializer;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.fabricmc.fabric.api.client.rendereregistry.v1.EntityRendererRegistry;
import net.fabricmc.fabric.api.client.rendering.v1.ColorProviderRegistry;
import net.fabricmc.fabric.impl.networking.ClientSidePacketRegistryImpl;
import net.minecraft.item.ItemStack;
import net.minecraft.util.Identifier;
import net.minecraft.util.Util;

@SuppressWarnings("unused")
@Environment(EnvType.CLIENT)
public class RelicCraftClient implements ClientModInitializer {
    public static int generateColor(float h, float s, float v) {
        float r, g, b, i, f, p, q, t;
        i = (float) Math.floor(h * 6);
        f = h * 6 - i;
        p = v * (1 - s);
        q = v * (1 - f * s);
        t = v * (1 - (1 - f) * s);
        switch ((int) (i % 6)) {
            case 0: r = v; g = t; b = p; break;
            case 1: r = q; g = v; b = p; break;
            case 2: r = p; g = v; b = t; break;
            case 3: r = p; g = q; b = v; break;
            case 4: r = t; g = p; b = v; break;
            case 5: r = v; g = p; b = q; break;
            default: throw new UnsupportedOperationException();
        }
        return rgbToDecimal(Math.round(r * 255), Math.round(g * 255), Math.round(b * 255));
    }

    private static int rgbToDecimal(int r, int g, int b) {
        return (r << 16) | (g << 8) | b;
    }

    private static int getStackColor(ItemStack stack) {
        if (stack.getName().asString().equals("jeb_")) {
            return generateColor(Util.getMeasuringTimeMs() / 3600f, 1f, 1f);
        } else {
            return RelicItem.getData(stack).color;
        }
    }

    @Override
    public void onInitializeClient() {
        ColorProviderRegistry.ITEM.register((stack, tintIndex) -> tintIndex > 0 ? -1 : getStackColor(stack), RelicCraft.ORB_ITEM);
        ColorProviderRegistry.ITEM.register((stack, tintIndex) -> tintIndex > 0 ? -1 : getStackColor(stack), RelicCraft.STAFF_ITEM);

        EntityRendererRegistry.INSTANCE.register(RelicCraft.RELIC_ENTITY, (entityRenderDispatcher, context) -> new RelicEntityRenderer(entityRenderDispatcher));

        ClientSidePacketRegistryImpl.INSTANCE.register(new Identifier(RelicCraft.NAMESPACE, "update_time_dilation"), UpdateTimeDilationS2CPacket::handle);
    }
}