package net.halfheart.ventricleengine;

import org.json.JSONArray;
import org.json.JSONObject;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.StandardCharsets;
import java.util.Objects;
import java.util.stream.Collectors;

import static net.halfheart.ventricleengine.AidModifierHandler.STIMPAK;

public class ItemsHandler {
    private static Item constructItem(String weaponName) {
        String filename = "/items.json";
        try (InputStream inputStream = WeaponsHandler.class.getResourceAsStream(filename)) {
            String jsonText = new BufferedReader(
                    new InputStreamReader(Objects.requireNonNull(inputStream), StandardCharsets.UTF_8))
                    .lines()
                    .collect(Collectors.joining("\n"));

            JSONArray jsonArray = new JSONArray(jsonText);

            JSONObject wantedItem = null;
            for (int i = 0; i < jsonArray.length(); i++) {
                JSONObject item = jsonArray.getJSONObject(i);
                if (item.opt("name").toString().equals(weaponName)) {
                    wantedItem = item;
                }
            }
            assert wantedItem != null;
            String name = wantedItem.opt("name").toString();
            String description = wantedItem.opt("desc").toString();
            byte weight = (byte) wantedItem.opt("weight");
            short cost = (short) wantedItem.opt("cost");
            boolean consumable = (boolean) wantedItem.opt("consumable");
            String aidModifier = wantedItem.opt("aidModifier").toString();
            return new Item(name, description, weight, cost, consumable, aidModifier);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    public static Item findItem(String itemName) {
        return switch (itemName) {
            case "Stimpak" -> STIMPAK;
            default -> null;
        };
    }

    public static Item STIMPAK = constructItem("Stimpak");
}