package minecraft_mod_player_statistics.src.main.java;

import minecraft_mod_player_statistics.src.main.java.PlayerStatisticsMod;
// import minecraft_mod_player_statistics.src.main.java.ConfigManager;

import net.minecraft.world.entity.player.Player;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.sql.Timestamp;
import java.time.Instant;
import java.util.UUID;
import java.util.logging.Logger;
import java.util.logging.Level;
import java.util.Properties;

public class DatabaseManager {
    // protected final Properties config;
    /* Local connection
    private static final String DB_URL = "jdbc:mysql://localhost:3306/partsltd_dev";
    private static final String DB_USERNAME = "root";
    private static final String DB_PASSWORD = System.getenv("DB_PASSWORD"); // "password";
    */
    /* Public connection */
    protected static final String DB_URL = "jdbc:mysql://185.221.63.17/partsltd_minecraft";
    protected static final String DB_USERNAME = "partsltd_minecraft_mod";
    protected static final String DB_PASSWORD = "nipples_are_always_erect";
    protected static final Logger LOGGER = Logger.getLogger(DatabaseManager.class.getName());

    static {
        try {
            // Explicitly load the MySQL driver
            Class.forName("com.mysql.cj.jdbc.Driver");
            LOGGER.info("MySQL JDBC Driver registered successfully");
        } catch (ClassNotFoundException e) {
            LOGGER.severe("Failed to load MySQL JDBC driver: " + e.getMessage());
            throw new RuntimeException("Failed to load MySQL JDBC driver", e);
        }
    }

    /*
    protected void loadConfig() {
        File configFile = new File("config/playerstats/database.properties");
        if (!configFile.exists()) {
            configFile.getParentFile().mkdirs();
            createDefaultConfig(configFile);
            LOGGER.warning("Please configure database settings in config/playerstats/database.properties");
        }
        
        try (FileInputStream fis = new FileInputStream(configFile)) {
            config.load(fis);
        } catch (IOException e) {
            LOGGER.severe("Failed to load database config: " + e.getMessage());
        }
    }

    protected void createDefaultConfig(File configFile) {
        try (FileOutputStream fos = new FileOutputStream(configFile)) {
            Properties defaultProps = new Properties();
            defaultProps.setProperty("db.url", "jdbc:mysql://localhost:3306/partsltd_dev");
            defaultProps.setProperty("db.user", "change_me");
            defaultProps.setProperty("db.password", "change_me");
            defaultProps.store(fos, "PlayerStats Database Configuration");
        } catch (IOException e) {
            LOGGER.severe("Failed to create default config: " + e.getMessage());
        }
    }

    public Connection getConnection() throws SQLException {
        return DriverManager.getConnection(
            config.getProperty("db.url"),
            config.getProperty("db.user"),
            config.getProperty("db.password")
        );
    }
    */
    public Connection getConnection() throws SQLException {
        return DriverManager.getConnection(DB_URL, DB_USERNAME, DB_PASSWORD);
    }

    public void recordStat(UUID playerUUID, String statType, int value, String itemId) {
        try (Connection conn = getConnection();
             PreparedStatement stmt = conn.prepareStatement(
                 "INSERT INTO MCMPS_player_statistic (player_uuid, stat_type, stat_value, item_id, timestamp) VALUES (?, ?, ?, ?, ?)")) {
            
            stmt.setString(1, playerUUID.toString());
            stmt.setString(2, statType);
            stmt.setInt(3, value);
            stmt.setString(4, itemId);
            stmt.setTimestamp(5, java.sql.Timestamp.from(Instant.now()));
            stmt.executeUpdate();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }

    public void recordLocation(Player player) {
        try (Connection conn = getConnection();
             PreparedStatement stmt = conn.prepareStatement(
                 "INSERT INTO MCMPS_player_location (player_uuid, x, y, z, dimension, timestamp) VALUES (?, ?, ?, ?, ?, ?)")) {
            
            stmt.setString(1, player.getUUID().toString());
            stmt.setDouble(2, player.getX());
            stmt.setDouble(3, player.getY());
            stmt.setDouble(4, player.getZ());
            stmt.setString(5, player.level.dimension().location().toString());
            stmt.setTimestamp(6, java.sql.Timestamp.from(Instant.now()));
            stmt.executeUpdate();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }

    public void initializeDatabase() {
        try (Connection conn = getConnection()) {
            /*
            // Create tables
            conn.createStatement().execute("""
                CREATE TABLE IF NOT EXISTS MCMPS_player_statistic (
                    id BIGINT AUTO_INCREMENT PRIMARY KEY,
                    player_uuid VARCHAR(36),
                    stat_type VARCHAR(50),
                    stat_value INT,
                    item_id VARCHAR(100),
                    timestamp TIMESTAMP,
                    INDEX idx_player_uuid (player_uuid),
                    INDEX idx_stat_type (stat_type)
                )
            """);
            
            conn.createStatement().execute("""
                CREATE TABLE IF NOT EXISTS MCMPS_player_location (
                    id BIGINT AUTO_INCREMENT PRIMARY KEY,
                    player_uuid VARCHAR(36),
                    x DOUBLE,
                    y DOUBLE,
                    z DOUBLE,
                    dimension VARCHAR(50),
                    timestamp TIMESTAMP,
                    INDEX idx_player_uuid (player_uuid)
                )
            """);
            */
            LOGGER.log(Level.INFO, "Database initialised");
        } catch (SQLException e) {
            LOGGER.log(Level.INFO, "Database initialisation error");
            e.printStackTrace();
        }
    }
}