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package io.github.moulberry.notenoughupdates.recipes;

import com.google.common.collect.Sets;
import com.google.gson.JsonObject;
import com.mojang.authlib.GameProfile;
import io.github.moulberry.notenoughupdates.NEUManager;
import io.github.moulberry.notenoughupdates.NotEnoughUpdates;
import io.github.moulberry.notenoughupdates.miscgui.GuiItemRecipe;
import io.github.moulberry.notenoughupdates.util.SBInfo;
import io.github.moulberry.notenoughupdates.util.Utils;
import net.minecraft.client.Minecraft;
import net.minecraft.client.entity.AbstractClientPlayer;
import net.minecraft.client.gui.FontRenderer;
import net.minecraft.client.gui.inventory.GuiInventory;
import net.minecraft.client.network.NetworkPlayerInfo;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.passive.EntityVillager;
import net.minecraft.util.ResourceLocation;

import java.util.*;

public class VillagerTradeRecipe implements NeuRecipe {

    public static final int COST_SLOT_X = 52;
    public static final int COST_SLOT_Y = 66;
    public static final int RESULT_SLOT_Y = 66;
    public static final int RESULT_SLOT_X = 124;

    private static class Holder { // This holder object exists to defer initialization to first access
        private static final GameProfile DREAM_PROFILE = new GameProfile(UUID.fromString("ec70bcaf-702f-4bb8-b48d-276fa52a780c"), "Dream");
        private static final EntityLivingBase DEMO_DREAM = new AbstractClientPlayer(null, DREAM_PROFILE) {
            @Override
            protected NetworkPlayerInfo getPlayerInfo() {
                return new NetworkPlayerInfo(DREAM_PROFILE) {
                    @Override
                    public ResourceLocation getLocationSkin() {
                        return new ResourceLocation("notenoughupdates", "dreamskin.png");
                    }
                };
            }
        };
        private static final EntityLivingBase DEMO_VILLAGER = new EntityVillager(null);

        private static boolean isAprilFirst() {
            Calendar cal = Calendar.getInstance();
            return cal.get(Calendar.DAY_OF_MONTH) == 1 && cal.get(Calendar.MONTH) == Calendar.APRIL;
        }

        private static final EntityLivingBase DEMO_ENTITY = isAprilFirst() ? DEMO_DREAM : DEMO_VILLAGER;

    }

    private final static ResourceLocation BACKGROUND = new ResourceLocation("notenoughupdates", "textures/gui/villager_recipe_tall.png");

    private final Ingredient result;
    private final Ingredient cost;
    private final int minCost, maxCost;

    public VillagerTradeRecipe(Ingredient result, Ingredient cost, int minCost, int maxCost) {
        this.result = result;
        this.cost = cost;
        this.minCost = minCost;
        this.maxCost = maxCost;
    }

    public VillagerTradeRecipe(Ingredient result, Ingredient cost) {
        this(result, cost, -1, -1);
    }

    public boolean hasVariableCost() {
        return minCost != -1 && maxCost != -1;
    }

    @Override
    public RecipeType getType() {
        return RecipeType.TRADE;
    }

    @Override
    public Set<Ingredient> getIngredients() {
        return Sets.newHashSet(cost);
    }

    @Override
    public Set<Ingredient> getOutputs() {
        return Sets.newHashSet(result);
    }

    @Override
    public List<RecipeSlot> getSlots() {
        return Arrays.asList(
                new RecipeSlot(COST_SLOT_X, COST_SLOT_Y, cost.getItemStack()),
                new RecipeSlot(RESULT_SLOT_X, RESULT_SLOT_Y, result.getItemStack())
        );
    }

    @Override
    public boolean shouldUseForCraftCost() {
        return false;
    }

    @Override
    public boolean isAvailable() {
        return SBInfo.getInstance().getCurrentMode() == SBInfo.Gamemode.STRANDED || NotEnoughUpdates.INSTANCE.config.hidden.dev;
    }

    @Override
    public void drawExtraInfo(GuiItemRecipe gui, int mouseX, int mouseY) {
        if (hasVariableCost()) {
            FontRenderer fontRenderer = Minecraft.getMinecraft().fontRendererObj;
            Utils.drawStringCenteredScaledMaxWidth(
                    minCost + " - " + maxCost, fontRenderer,
                    gui.guiLeft + 50, gui.guiTop + 90, false, 75, 0xff00ff);

        }
    }

    @Override
    public void drawExtraBackground(GuiItemRecipe gui, int mouseX, int mouseY) {
        GuiInventory.drawEntityOnScreen(gui.guiLeft + 90, gui.guiTop + 100, 30, gui.guiLeft - mouseX + 110, gui.guiTop + 60 - mouseY, Holder.DEMO_ENTITY);
    }

    @Override
    public JsonObject serialize() {
        JsonObject jsonObject = new JsonObject();
        jsonObject.addProperty("type", "trade");
        jsonObject.addProperty("result", result.serialize());
        jsonObject.addProperty("cost", cost.getInternalItemId());
        if (minCost > 0)
            jsonObject.addProperty("min", minCost);
        if (maxCost > 0)
            jsonObject.addProperty("max", maxCost);
        return jsonObject;
    }

    @Override
    public ResourceLocation getBackground() {
        return BACKGROUND;
    }

    public static VillagerTradeRecipe parseStaticRecipe(NEUManager manager, JsonObject recipe, JsonObject result) {
        return new VillagerTradeRecipe(
                new Ingredient(manager, recipe.get("result").getAsString()),
                new Ingredient(manager, recipe.get("cost").getAsString()),
                recipe.has("min") ? recipe.get("min").getAsInt() : -1,
                recipe.has("max") ? recipe.get("max").getAsInt() : -1
        );
    }

}