package me.bill.fakePlayerPlugin.lang;

import me.bill.fakePlayerPlugin.FakePlayerPlugin;
import me.bill.fakePlayerPlugin.config.Config;
import me.bill.fakePlayerPlugin.util.FppLogger;
import me.bill.fakePlayerPlugin.util.TextUtil;
import me.bill.fakePlayerPlugin.util.YamlFileSyncer;
import net.kyori.adventure.text.Component;
import org.bukkit.configuration.file.FileConfiguration;
import org.bukkit.configuration.file.YamlConfiguration;

import java.io.File;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.StandardCharsets;

public final class Lang {

  private static FakePlayerPlugin plugin;
  private static FileConfiguration cfg;

  private Lang() {
  }

  public static void init(FakePlayerPlugin instance) {
    plugin = instance;
    reload();
  }

  public static void reload() {

    YamlFileSyncer.syncMissingKeys(plugin, "language/en.yml", "language/en.yml");

    File file = new File(plugin.getDataFolder(), "language/en.yml");
    if (!file.exists()) {
      plugin.saveResource("language/en.yml", false);
    }

    FileConfiguration disk = YamlConfiguration.loadConfiguration(file);
    disk.options().copyDefaults(true);

    InputStream jarStream = plugin.getResource("language/en.yml");
    if (jarStream != null) {
      try {
        YamlConfiguration jarDefaults =
            YamlConfiguration.loadConfiguration(
                new InputStreamReader(jarStream, StandardCharsets.UTF_8));
        disk.setDefaults(jarDefaults);
      } catch (Exception e) {
        FppLogger.warn(
            "Lang: failed to load JAR defaults for language/en.yml: " + e.getMessage());
      }
    }

    cfg = disk;
    Config.debug("Lang loaded from: " + file.getPath());
  }

  public static String raw(String key, String... args) {
    if (cfg == null) return "&c[FPP] Lang not loaded: " + key;
    String value = cfg.getString(key, "&c[FPP] Missing lang key: " + key);

    String prefix = cfg.getString("prefix", "&f[FPP] ");
    value = value.replace("{prefix}", prefix);

    if (args.length > 0) {

      if (args.length % 2 == 0 && !args[0].chars().allMatch(Character::isDigit)) {
        for (int i = 0; i < args.length - 1; i += 2) {
          value = value.replace("{" + args[i] + "}", args[i + 1]);
        }
      } else {

        for (int i = 0; i < args.length; i++) {
          value = value.replace("{" + i + "}", args[i]);
        }
      }
    }
    return value;
  }

  public static Component get(String key, String... args) {
    return TextUtil.colorize(raw(key, args));
  }

  public static FileConfiguration config() {
    return cfg;
  }
}