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//      Magicbane Emulator Project © 2013 - 2024
//                www.magicbane.com

package engine.wpak;

import engine.gameManager.ConfigManager;
import org.pmw.tinylog.Logger;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class PowersParser {

    public static String powersPath = ConfigManager.DEFAULT_DATA_DIR + "wpak/Powers.cfg";
    private static final Pattern POWER_REGEX = Pattern.compile("(?<=POWERBEGIN)(.+?)(?=POWEREND)", Pattern.DOTALL);
    private static final Pattern STRSPLIT_REGEX = Pattern.compile("([^\"]\\S*|\"[^\"]*\")\\s*");

    public static void parseWpakFile() throws IOException {

        // Read .wpak file from disk

        byte[] fileData = Files.readAllBytes(Paths.get(powersPath));
        String fileContents = new String(fileData);

        // Iterate over power entries from .wpak data

        Matcher matcher = POWER_REGEX.matcher(fileContents);

        while (matcher.find()) {

            PowerEntry powerEntry = parsePowerEntry(matcher.group().trim());

        }
    }

    private static PowerEntry parsePowerEntry(String powerData) {

        PowerEntry powerEntry = new PowerEntry();

        try {

            String[] powerEntries = powerData.trim().split("\n");
            ArrayList<String> powerHeader = new ArrayList<>();

            // Parse header

            String headerString = powerEntries[0];
            headerString = headerString.replace("\n", " ");

            Matcher matcher = STRSPLIT_REGEX.matcher(headerString);

            while (matcher.find())
                powerHeader.add(matcher.group().trim());

            if (powerHeader.size() != 22)
                Logger.error(headerString);

            java.util.Iterator<String> iterator = powerHeader.iterator();

            powerEntry.power_id = iterator.next();
            powerEntry.power = iterator.next().replaceAll("\"", "");

            PowerData power = new PowerData();
            power.power_type = iterator.next();
            power.icon = Integer.parseInt(iterator.next());
            power.powerBase = iterator.next().replaceAll("\"", "");
            powerEntry.powers.add(power);

            powerEntry.target_type = iterator.next();

            // Account for second definition

            if (powerEntry.target_type.equals("SPELL") || powerEntry.target_type.equals("SKILL")) {
                power = new PowerData();
                power.power_type = powerEntry.target_type;
                power.icon = Integer.parseInt(iterator.next());
                power.powerBase = iterator.next().replaceAll("\"", "");
                powerEntry.powers.add(power);
                powerEntry.target_type = iterator.next();
            }

            powerEntry.range = Integer.parseInt(iterator.next());
            powerEntry.areaType = iterator.next();
            powerEntry.areaRange = Integer.parseInt(iterator.next());
            powerEntry.excludeType = iterator.next();
            powerEntry.costType = iterator.next();
            powerEntry.cost = Float.parseFloat(iterator.next());
            powerEntry.difficulty = Float.parseFloat(iterator.next());
            powerEntry.precision = Float.parseFloat(iterator.next());
            powerEntry.init_time = Float.parseFloat(iterator.next().replaceAll("(\\.0)+$", ""));
            powerEntry.release_time = Float.parseFloat(iterator.next());
            powerEntry.recycle_time = Float.parseFloat(iterator.next());
            powerEntry.hitRollYN = Integer.parseInt(iterator.next());
            powerEntry.castingMode = iterator.next();
            powerEntry.initAmin = Integer.parseInt(iterator.next());
            powerEntry.releaseAnim = Integer.parseInt(iterator.next());
            powerEntry.targetSelect = iterator.next();


            for (int x = 2; x < powerEntries.length; x++) {
                // Parse key/pair values
                // via switch
            }

        } catch (Exception e) {
            Logger.error(powerEntry.power_id);
        }

        return powerEntry;
    }

}