package us.tss3.boatparty.stats;

import org.bukkit.configuration.file.FileConfiguration;
import org.bukkit.plugin.java.JavaPlugin;

import java.util.List;
import java.util.UUID;
import java.util.function.Consumer;

public final class StatsManager {

    private final JavaPlugin plugin;
    private StatsStorage storage;

    public StatsManager(JavaPlugin plugin) {
        this.plugin = plugin;
        this.storage = buildStorage(plugin);
    }

    private static StatsStorage buildStorage(JavaPlugin plugin) {
        FileConfiguration config = plugin.getConfig();
        String type = config.getString("storage.type", "yaml");

        if ("mysql".equalsIgnoreCase(type)) {
            return new MySqlStatsStorage(
                    config.getString("storage.mysql.host", "localhost"),
                    config.getInt("storage.mysql.port", 3306),
                    config.getString("storage.mysql.database", "boatparty"),
                    config.getString("storage.mysql.username", "root"),
                    config.getString("storage.mysql.password", ""),
                    config.getBoolean("storage.mysql.use-ssl", false),
                    config.getString("storage.mysql.table-prefix", "boatparty_"),
                    plugin.getLogger());
        }
        return new YamlStatsStorage(plugin.getDataFolder(), plugin.getLogger());
    }

    public void init() {
        try {
            storage.init();
        } catch (Exception e) {
            plugin.getLogger().severe("Failed to initialize " + storage.getClass().getSimpleName()
                    + ", falling back to YAML stats storage: " + e.getMessage());
            storage = new YamlStatsStorage(plugin.getDataFolder(), plugin.getLogger());
            try {
                storage.init();
            } catch (Exception fallbackError) {
                throw new IllegalStateException("Failed to initialize fallback YAML stats storage", fallbackError);
            }
        }
    }

    public void close() {
        storage.close();
    }

    public void recordFinishAsync(UUID uuid, String playerName, String raceName, int place, long timeMillis, int laps) {
        plugin.getServer().getScheduler().runTaskAsynchronously(plugin,
                () -> storage.recordFinish(uuid, playerName, raceName, place, timeMillis, laps));
    }

    public void getStatsAsync(UUID uuid, Consumer<PlayerStats> callback) {
        plugin.getServer().getScheduler().runTaskAsynchronously(plugin, () -> {
            PlayerStats stats = storage.getStats(uuid);
            plugin.getServer().getScheduler().runTask(plugin, () -> callback.accept(stats));
        });
    }

    public void getTopTimesAsync(String raceName, int limit, Consumer<List<TopEntry>> callback) {
        plugin.getServer().getScheduler().runTaskAsynchronously(plugin, () -> {
            List<TopEntry> entries = storage.getTopTimes(raceName, limit);
            plugin.getServer().getScheduler().runTask(plugin, () -> callback.accept(entries));
        });
    }
}