package net.halfheart.ventricleengine;
import net.halfheart.ventricleengine.objects.AidModifier;
import net.halfheart.ventricleengine.objects.Player;
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;

public class AidModifierHandler {
    // Creates AidModifier object by parsing JSON
    public static AidModifier constructAidModifier(String aidModifierName) {
        String filename = "/aid_modifiers.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(aidModifierName)) {
                    wantedItem = item;
                }
            }
            assert wantedItem != null;
            String name = wantedItem.opt("name").toString();
            String stat = wantedItem.opt("stat").toString();
            String mod = wantedItem.opt("mod").toString();
            short value = (short) wantedItem.opt("value");
            return new AidModifier(name, stat, mod, value);

        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    public static void applyAid(AidModifier modifier) {
        Player player = GameSpace.getInstance().getPlayer();
        
        if (modifier.getStat().equals("hp")) {
            char action = modifier.getMod().charAt(0);
            switch (action) {
                case '+' -> player.setHp((short) (player.getHp() + modifier.getValue()));
            }
        }
    }
}