package org.poopki.duckdns.user_db.DB;

import org.poopki.duckdns.user_db.*;
import org.poopki.duckdns.user_db.Array.AccountArray;
import org.poopki.duckdns.user_db.Array.FarmArray;
import org.poopki.duckdns.user_db.Array.NationArray;

import java.sql.*;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;

public class DBUpdate {
    private static final String DB_DRIVER_CLASS = "org.mariadb.jdbc.Driver";
    private static final String DB_URL = "jdbc:mariadb://poopki.duckdns.org:3307/mc_dev";
    private static final String DB_USERNAME = "mc_dev";
    private static final String DB_PASSWORD = "!Rkdalsrn1027";
    private static UserInfoArray m_InfoArrayInstance;
    private static AccountArray m_AccountArray;

    private static FarmArray m_FarmArray;
    private static NationArray m_NationArray;
    UUID ZERO_UUID = new UUID(0,0);
    static int MAX_FARM_NUM = 13;
    public DBUpdate(UserInfoArray UIA, AccountArray AA, FarmArray FA, NationArray NA){
        m_InfoArrayInstance = UIA;
        m_AccountArray = AA;
        m_FarmArray = FA;
        m_NationArray = NA;
    }

    public static void InitDB() throws SQLException { // 플러그인 초기 사용 시 테이블 생성
        Connection conn = null;
        Statement stmt;

        try {
            Class.forName("org.mariadb.jdbc.Driver");

            conn = DriverManager.getConnection(DB_URL, DB_USERNAME, DB_PASSWORD);
            System.out.println("Connection success");
            stmt = conn.createStatement();
            StringBuilder sb = new StringBuilder();
            String sql = sb.append("create table if not exists UserInfo(")
                    .append("UUID varchar(36) PRIMARY KEY,")
                    .append("Name varchar(15), ")
                    .append("Nation varchar(36),") //public
                    .append("Squad varchar(36),")  //public
                    .append("Farm varchar(36),") //public
                    .append("Account int(10)") //public
                    /*
                    .append("Occupation int(8),") //private
                    .append("Account int(8),") //private
                    .append("Status int(8)") //private*/
                    .append(")").toString();
                    stmt.execute(sql);
            }
        catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
        catch (SQLException e) {
            // TODO Auto-generated catch block
            System.err.println("에러 내용 :" + e.getMessage());
            System.out.println("DB Connection fail");
        }
        finally {
            if( conn != null && !conn.isClosed()){
                conn.close();
            }
        }
    }
    public static void LoadDB() throws SQLException { //서버 초기 구동 시 DB 로드
        Connection conn = null;
        Statement stmt;
        try {
            Class.forName("org.mariadb.jdbc.Driver");

            conn = DriverManager.getConnection(DB_URL, DB_USERNAME, DB_PASSWORD);
            System.out.println("Connection success");
            stmt = conn.createStatement();
            String sql =  "SELECT * FROM UserInfo";
            ResultSet rs = stmt.executeQuery(sql);

            while(rs.next()){
                m_InfoArrayInstance.putUserInfo(UUID.fromString(rs.getString(1)),
                                                    rs.getString(2),
                        UUID.fromString(rs.getString(3)),
                        UUID.fromString(rs.getString(4)),
                        UUID.fromString(rs.getString(5)),
                        new UUID(0,0));
                m_AccountArray.putAccountInfo(UUID.fromString(rs.getString(1)),Integer.parseInt(rs.getString(6)));
            }

        }  catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
        catch (SQLException e) {
            // TODO Auto-generated catch block
            System.err.println("에러 내용 :" + e.getMessage());
            System.out.println("DB Connection fail");
        }finally{
            if(conn != null && !conn.isClosed()){
                conn.close();
            }
        }


        try {
            Class.forName("org.mariadb.jdbc.Driver");

            conn = DriverManager.getConnection(DB_URL, DB_USERNAME, DB_PASSWORD);
            System.out.println("Connection success");
            stmt = conn.createStatement();
            String sql =  "SELECT * FROM Farm";
            ResultSet rs = stmt.executeQuery(sql);

            while(rs.next()){
                List<UUID> m_MemberList = new ArrayList<>();

                for(int index = 4; index<MAX_FARM_NUM; index++){
                    if(rs.getString(index) != null){
                        m_MemberList.add(index-4,UUID.fromString(rs.getString(index)));
                    }
                }
                m_FarmArray.PutGroup(UUID.fromString(rs.getString(1)),
                        rs.getString(2),
                        m_MemberList);
                m_AccountArray.putAccountInfo(UUID.fromString(rs.getString(1)),Integer.parseInt(rs.getString(3)));
            }

        }  catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
        catch (SQLException e) {
            // TODO Auto-generated catch block
            System.err.println("에러 내용 :" + e.getMessage());
            System.out.println("DB Connection fail");
        }finally{
            if(conn != null && !conn.isClosed()){
                conn.close();
            }
        }


        try {
            Class.forName("org.mariadb.jdbc.Driver");

            conn = DriverManager.getConnection(DB_URL, DB_USERNAME, DB_PASSWORD);
            System.out.println("Connection success");
            stmt = conn.createStatement();
            String sql =  "SELECT * FROM Nation";
            ResultSet rs = stmt.executeQuery(sql);

            while(rs.next()){
                List<UUID> m_MemberList = new ArrayList<>();

                for(int index = 4; index<MAX_FARM_NUM; index++){
                    if(rs.getString(index) != null){
                        m_MemberList.add(index-4,UUID.fromString(rs.getString(index)));
                    }
                }
                m_NationArray.PutGroup(UUID.fromString(rs.getString(1)),
                        rs.getString(2),
                        m_MemberList);
                m_AccountArray.putAccountInfo(UUID.fromString(rs.getString(1)),Integer.parseInt(rs.getString(3)));
            }

        }  catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
        catch (SQLException e) {
            // TODO Auto-generated catch block
            System.err.println("에러 내용 :" + e.getMessage());
            System.out.println("DB Connection fail");
        }finally{
            if(conn != null && !conn.isClosed()){
                conn.close();
            }
        }
    }


    public void UpdateDB() throws SQLException { // 서버 종료시 DB 업데이트
        Connection conn = null;
        PreparedStatement pstmt;
        // Update UserINFO
        try{
            Class.forName("org.mariadb.jdbc.Driver");
            conn = DriverManager.getConnection(DB_URL, DB_USERNAME, DB_PASSWORD);

            for (UUID key : m_InfoArrayInstance.getKeySet()) {

                String sql = "REPLACE INTO UserInfo VALUES (?,?,?,?,?,?)";
                pstmt = conn.prepareStatement(sql);
                pstmt.setString(1, String.valueOf(key.toString()));
                pstmt.setString(2, String.valueOf(m_InfoArrayInstance.getUserName(key)));
                pstmt.setString(3, String.valueOf(m_InfoArrayInstance.getUserGroupUUID(key, "Nation")));
                pstmt.setString(4, String.valueOf(m_InfoArrayInstance.getUserGroupUUID(key, "Squad")));
                pstmt.setString(5, String.valueOf(m_InfoArrayInstance.getUserGroupUUID(key, "Farm")));
                pstmt.setString(6, String.valueOf(m_AccountArray.getAccountInfo(key)));
                int cnt = pstmt.executeUpdate();
                if( cnt == 0 ){
                    System.out.println("데이터 입력 실패");
                }
                else{
                    System.out.println("데이터 입력 성공");
                }

            }
        }
        catch(ClassNotFoundException e){
            e.printStackTrace();
        }
        catch(SQLException e){
            System.err.println("에러 내용 :" + e.getMessage());
            System.out.println("DB Connection fail");
        }
        finally {
            if( conn != null && !conn.isClosed()){
                conn.close();
            }
        }

        // Update Farm Info
        try{
            Class.forName("org.mariadb.jdbc.Driver");
            conn = DriverManager.getConnection(DB_URL, DB_USERNAME, DB_PASSWORD);

            for (UUID key : m_FarmArray.getKeySet()) {

                String sql = "REPLACE INTO Farm VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?)";
                pstmt = conn.prepareStatement(sql);
                pstmt.setString(1, String.valueOf(key.toString()));
                pstmt.setString(2, String.valueOf(m_FarmArray.GetGroupName(key)));
                pstmt.setString(3, String.valueOf(m_AccountArray.getAccountInfo(key)));
                int index = 4;
                for (UUID MemUUID : m_FarmArray.GetGroupMembersUUID(key)){
                    pstmt.setString(index, String.valueOf(MemUUID.toString()));
                    index++;
                }
                for(; index<=MAX_FARM_NUM;index++){
                    pstmt.setString(index, null);
                }

                int cnt = pstmt.executeUpdate();
                if( cnt == 0 ){
                    System.out.println("데이터 입력 실패");
                }
                else{
                    System.out.println("데이터 입력 성공");
                }

            }
        }
        catch(ClassNotFoundException e){
            e.printStackTrace();
        }
        catch(SQLException e){
            System.err.println("에러 내용 :" + e.getMessage());
            System.out.println("DB Connection fail");
        }
        finally {
            if( conn != null && !conn.isClosed()){
                conn.close();
            }
        }

        try{
            Class.forName("org.mariadb.jdbc.Driver");
            conn = DriverManager.getConnection(DB_URL, DB_USERNAME, DB_PASSWORD);
            for (UUID key: m_FarmArray.m_DeleteQueue){
                String sql = "DELETE FROM Farm WHERE FARM_UUID=?";
                pstmt = conn.prepareStatement(sql);
                pstmt.setString(1, String.valueOf(key.toString()));
                int cnt = pstmt.executeUpdate();
                m_FarmArray.m_DeleteQueue.remove(key);
            }
        }
        catch(ClassNotFoundException e){
            e.printStackTrace();
        }
        catch(SQLException e){
            System.err.println("에러 내용 :" + e.getMessage());
            System.out.println("DB Connection fail");
        }
        finally {
            if( conn != null && !conn.isClosed()){
                conn.close();
            }
        }

        // Update nation Info
        try{
            Class.forName("org.mariadb.jdbc.Driver");
            conn = DriverManager.getConnection(DB_URL, DB_USERNAME, DB_PASSWORD);
            for (UUID key: m_NationArray.m_DeleteQueue){
                String sql = "DELETE FROM Nation WHERE NATION_UUID (?)";
                pstmt = conn.prepareStatement(sql);
                pstmt.setString(1, String.valueOf(key.toString()));
                int cnt = pstmt.executeUpdate();
                m_NationArray.m_DeleteQueue.remove(key);
            }
            for (UUID key : m_NationArray.getKeySet()) {

                String sql = "REPLACE INTO Nation VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?)";
                pstmt = conn.prepareStatement(sql);
                pstmt.setString(1, String.valueOf(key.toString()));
                pstmt.setString(2, String.valueOf(m_NationArray.GetGroupName(key)));
                pstmt.setString(3, String.valueOf(m_AccountArray.getAccountInfo(key)));
                int index = 4;
                for (UUID MemUUID : m_NationArray.GetGroupMembersUUID(key)){
                    pstmt.setString(index, String.valueOf(MemUUID.toString()));
                    index++;
                }
                for(; index<=MAX_FARM_NUM;index++){
                    pstmt.setString(index, null);
                }

                int cnt = pstmt.executeUpdate();
                if( cnt == 0 ){
                    System.out.println("데이터 입력 실패");
                }
                else{
                    System.out.println("데이터 입력 성공");
                }

            }
        }
        catch(ClassNotFoundException e){
            e.printStackTrace();
        }
        catch(SQLException e){
            System.err.println("에러 내용 :" + e.getMessage());
            System.out.println("DB Connection fail");
        }
        finally {
            if( conn != null && !conn.isClosed()){
                conn.close();
            }
        }
        try{
            Class.forName("org.mariadb.jdbc.Driver");
            conn = DriverManager.getConnection(DB_URL, DB_USERNAME, DB_PASSWORD);
            for (UUID key: m_NationArray.m_DeleteQueue){
                String sql = "DELETE FROM Nation WHERE NATION_UUID=?";
                pstmt = conn.prepareStatement(sql);
                pstmt.setString(1, String.valueOf(key.toString()));
                int cnt = pstmt.executeUpdate();
                m_NationArray.m_DeleteQueue.remove(key);
            }
        }
        catch(ClassNotFoundException e){
            e.printStackTrace();
        }
        catch(SQLException e){
            System.err.println("에러 내용 :" + e.getMessage());
            System.out.println("DB Connection fail");
        }
        finally {
            if( conn != null && !conn.isClosed()){
                conn.close();
            }
        }
    }
}