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package database;
import java.sql.Connection;
import java.sql.Date;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.LinkedList;
import java.util.List;
import models.Ability;
import models.AbilityType;
import models.GameStatus;
import models.History;
import models.Monster;
import models.MonsterViewModel;
import models.User;
import pokemon.Game;
public class Database {
private Connection conn;
static Database instance=null;
private Database() {
String connString="jdbc:mysql://localhost:3306/pokemon?user=root&password=";
try {
Class.forName("com.mysql.cj.jdbc.Driver");
conn=DriverManager.getConnection(connString);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static Database getInstance() {
if(instance==null)
instance=new Database();
return instance;
}
public boolean addUser(User user) {
boolean res=false;
String sql="SELECT * FROM user where username=? ";
PreparedStatement ps;
try {
ps=conn.prepareStatement(sql);
ps.setString(1, user.getUsername());
ResultSet result=ps.executeQuery();
if(result.next()) {
return res;
}
sql="INSERT INTO user(username,password,admin) values(?,?,?)";
ps=conn.prepareStatement(sql);
ps.setString(1, user.getUsername());
String hashedPassword=BcryptHelper.hashPasword(user.getPassword());
ps.setString(2, hashedPassword);
ps.setBoolean(3, user.isAdmin());
if(ps.executeUpdate()==1) {
res=true;
}
} catch (SQLException e) {
e.printStackTrace();
}
return res;
}
public User login(User user) {
User tempUser=null;
String sql="SELECT * FROM user where username=?";
try {
PreparedStatement pre=conn.prepareStatement(sql);
pre.setString(1, user.getUsername());
ResultSet res=pre.executeQuery();
if(res.next()) {
String hashedPw=res.getString("password");
if(BcryptHelper.checkPassword(user.password, hashedPw))
{
tempUser=new User();
tempUser.setId(res.getInt("id"));
tempUser.setAdmin(res.getBoolean("admin"));
tempUser.setUsername(user.getUsername());
tempUser.setmonsterId(res.getLong("pokemonId"));
}
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return tempUser;
}
public long addMonster(Monster monster) {
long tempId=0;
String sql=null;
PreparedStatement ps;
try {
sql="INSERT INTO monster(name,description,hp,base64Image) values(?,?,?,?)";
ps=conn.prepareStatement(sql,Statement.RETURN_GENERATED_KEYS);
ps.setString(1, monster.getName());
ps.setString(2, monster.getDescription());
ps.setInt(3, monster.getHp());
ps.setString(4, monster.getBase64Image());
if(ps.executeUpdate()==1) {
try (ResultSet generatedKeys = ps.getGeneratedKeys()) {
if (generatedKeys.next()) {
tempId=generatedKeys.getLong(1);
}
else {
throw new SQLException("Creating user failed, no ID obtained.");
}
}
}
} catch (SQLException e) {
e.printStackTrace();
}
return tempId;
}
public boolean addAbility(Ability ability) {
boolean result=false;
String sql=null;
PreparedStatement ps;
try {
sql="INSERT INTO ability(monsterId,name,description,type,power) values(?,?,?,?,?)";
ps=conn.prepareStatement(sql,Statement.RETURN_GENERATED_KEYS);
ps.setLong(1, ability.getMonsterId());
ps.setString(2, ability.getName());
ps.setString(3, ability.getDescription());
ps.setInt(4, ability.getType().ordinal());
ps.setFloat(5, ability.getPower());
if(ps.executeUpdate()==1) {
result=true;
}
} catch (SQLException e) {
e.printStackTrace();
}
return result;
}
public ArrayList<Monster> getMonsters(){
ArrayList<Monster> monsters=new ArrayList<Monster>();
String sql="SELECT * FROM monster";
try {
Statement statement = conn.createStatement();
ResultSet res=statement.executeQuery(sql);
while(res.next()) {
Monster m=new Monster();
m.setId(res.getLong("id"));
m.setName(res.getString("name"));
m.setDescription(res.getString("description"));
m.setHp(res.getInt("hp"));
m.setBase64Image(res.getString("base64Image"));
monsters.add(m);
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return monsters;
}
public Monster getUserMonster(String username) {
Monster monster=null;
String sql="SELECT * FROM monster m JOIN user u ON u.username=? AND u.pokemonId=m.id";
try {
PreparedStatement statement = conn.prepareStatement(sql);
statement.setString(1, username);
ResultSet res=statement.executeQuery();
if(res.next()) {
monster=new Monster();
monster.setId(res.getLong("m.id"));
monster.setName(res.getString("m.name"));
monster.setDescription(res.getString("m.description"));
monster.setHp(res.getInt("m.hp"));
monster.setBase64Image(res.getString("m.base64Image"));
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return monster;
}
public void addMonsterToUser(long id,long monsterId) {
String sql="UPDATE user set pokemonId=? where id=?;";
try {
PreparedStatement ps=conn.prepareStatement(sql);
ps=conn.prepareStatement(sql);
ps.setLong(1,monsterId);
ps.setLong(2, id);
ps.executeUpdate();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public MonsterViewModel getMonsterViewModel(long id) {
MonsterViewModel monster=null;
String sql="SELECT * FROM monster m JOIN ability a ON m.id=? AND m.id=a.monsterId";
try {
PreparedStatement statement = conn.prepareStatement(sql);
statement.setLong(1, id);
ResultSet res=statement.executeQuery();
int i=0;
while(res.next()) {
if(i==0)
{
monster=new MonsterViewModel();
monster.setId(res.getLong("m.id"));
monster.setName(res.getString("m.name"));
monster.setDescription(res.getString("m.description"));
monster.setHp(res.getInt("m.hp"));
monster.setBase64Image(res.getString("m.base64Image"));
monster.abilities=new ArrayList<Ability>();
i++;
}
Ability a=new Ability();
a.setId(res.getLong("a.id"));
a.setMonsterId(res.getLong("m.id"));
a.setName(res.getString("a.name"));
a.setDescription(res.getString("a.description"));
a.setType(AbilityType.values()[res.getInt("a.type")]);
a.setPower(res.getFloat("a.power"));
monster.abilities.add(a);
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return monster;
}
public ArrayList<User> getAllUsers(){
ArrayList<User> users=new ArrayList<User>();
try {
String sql="SELECT * FROM user";
Statement statement = conn.createStatement();
ResultSet res=statement.executeQuery(sql);
while(res.next()) {
User tempUser=new User();
tempUser=new User();
tempUser.setId(res.getLong("id"));
tempUser.setAdmin(res.getBoolean("admin"));
tempUser.setUsername(res.getString("username"));
if(res.getObject("pokemonId")!=null)
tempUser.setmonsterId(res.getLong("pokemonId"));
else
tempUser.setmonsterId(-1);
users.add(tempUser);
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return users;
}
public void deleteUser(long id) {
String sql="DELETE FROM user WHERE id=?";
try {
PreparedStatement preStatement=conn.prepareStatement(sql);
preStatement.setLong(1, id);
preStatement.executeUpdate();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public void deleteMonster(long id) {
try {
conn.setAutoCommit(false);
String sql="DELETE FROM ability WHERE monsterId=?";
PreparedStatement pre = conn.prepareStatement(sql);
pre.setLong(1, id);
pre.executeUpdate();
sql="DELETE FROM monster WHERE id=?";
pre = conn.prepareStatement(sql);
pre.setLong(1, id);
pre.executeUpdate();
sql="UPDATE user set pokemonId=null WHERE pokemonId=?";
pre = conn.prepareStatement(sql);
pre.setLong(1, id);
pre.executeUpdate();
conn.commit();
} catch (SQLException e) {
try {
conn.rollback();
} catch (SQLException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
e.printStackTrace();
}
}
public User getUserById(long id){
User user=null;
try {
String sql="SELECT * FROM user WHERE id=?";
PreparedStatement statement = conn.prepareStatement(sql);
statement.setLong(1, id);
ResultSet res=statement.executeQuery();
if(res.next()) {
user=new User();
user.setId(res.getLong("id"));
user.setAdmin(res.getBoolean("admin"));
user.setUsername(res.getString("username"));
if(res.getObject("pokemonId")!=null)
user.setmonsterId(res.getLong("pokemonId"));
else
user.setmonsterId(-1);
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return user;
}
public int addHistory(Game game) throws Exception{
Date date=new Date(Calendar.getInstance().getTimeInMillis());
String sql="INSERT INTO history(player,pokemon,time,result) values(?,?,?,?),(?,?,?,?)";
PreparedStatement ps=conn.prepareStatement(sql);
if(game.getStatus()==GameStatus.PLAYER1WIN) {
ps.setLong(1, game.player1Id);
ps.setLong(2, game.monster1.id);
ps.setDate(3, date);
ps.setInt(4, 1);
ps.setLong(5, game.player2Id);
ps.setLong(6, game.monster2.id);
ps.setDate(7, date);
ps.setInt(8, 0);
}else if(game.getStatus()==GameStatus.PLAYER2WIN) {
ps.setLong(1, game.player1Id);
ps.setLong(2, game.monster1.id);
ps.setDate(3, date);
ps.setInt(4, 0);
ps.setLong(5, game.player2Id);
ps.setLong(6, game.monster2.id);
ps.setDate(7, date);
ps.setInt(8, 1);
}
return ps.executeUpdate();
}
public ArrayList<History> getUserHistory(long id){
ArrayList<History> history=new ArrayList<>();
String sql="SELECT * FROM history where player=? ";
try {
PreparedStatement ps=conn.prepareStatement(sql);
ps.setLong(1, id);
ResultSet res=ps.executeQuery();
while(res.next()) {
History h=new History();
h.pokemon=getMonsterViewModel(res.getLong("pokemon"));
h.time=res.getDate("time");
h.result=res.getInt("result");
history.add(h);
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return history;
}
}
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