package tdt4145;

import java.sql.*;
import java.util.Scanner;

public class Treningslogg {

    //--------------------------------- Definere Variabler -------------------------------------------
    // JDBC driver name and database URL
    static final String JDBC_DRIVER = "com.mysql.jdbc.Driver";
    static final String DB_URL = "jdbc:mysql://localhost/treningdb";

    //  Database credentials
    static final String USER = "root";
    static final String PASS = "admin";






    //------------------------------- Metoder for DB-manipulering -------------------------------------
    public static void nyTrening(){

    }


    public static void hentLogg(Connection conn, Statement stmt){
        //STEP 4: Execute a query
                try{
                    System.out.println("Creating statement...");
                    stmt = conn.createStatement();
                    String sql;
                    sql = "SELECT Navn, OktNr FROM ovelse WHERE OktNr = '16'";
                    ResultSet rs = stmt.executeQuery(sql);

                    while(rs.next()){
                         //Retrieve by column name
                    	 String navn = rs.getString("Navn");
                         int oktnr  = rs.getInt("OktNr");


                         //Display values
                         System.out.print("navn: " + navn);
                         System.out.println(", oktnr: " + oktnr);
                      }
                }
                catch(SQLException se){
                    //Handle errors for JDBC
                    se.printStackTrace();
                }
    }
    public static void hentBeste(){

    }
    // + Mange flere metoder ..

    //--------------------------------------MAIN---------------------------------------------------
    //------------------------------ Connection-Oppsett -------------------------------------------
    public static void main(String[] args) {
        Connection conn = null;
        Statement stmt = null;
        try{
            //STEP 2: Register JDBC driver
            Class.forName("com.mysql.jdbc.Driver");

            //STEP 3: Open a connection
            System.out.println("Connecting to database...");
            conn = DriverManager.getConnection(DB_URL,USER,PASS); //Connects with DB(URL, Name & Password)

            //---------------------------------- Logic(for tekst-UI) ------------------------------------
            //Lag loop som konstant spør om hva som skal gjøres + Text-input konstant
            //Kjører riktig funksjon med riktige parametere avhengig av input
            Scanner input = new Scanner(System.in);
            String handling;

            while (true){
                System.out.print("Skriv inn handling(ny/hent/beste/avslutt): ");
                handling = input.next();
                if (handling.equals("ny")){
                    nyTrening();
                }else if(handling.equals("hent")){
                    hentLogg(conn, stmt);
                }else if(handling.equals("beste")){
                    hentBeste();
                }else if(handling.equals("avslutt")){
                    break;
                }else{
                    System.out.println("Feil. Skriv inn 'ny, 'hent, 'beste' eller 'avslutt'");
                    continue;
                }
            }

            // --------------------------- Clean-up / End--------------------------------------
            input.close();
            stmt.close();
            conn.close();
        }catch(SQLException se){
            //Handle errors for JDBC
            se.printStackTrace();
        }catch(Exception e){
            //Handle errors for Class.forName
            e.printStackTrace();
        }finally{
            //finally block used to close resources
            try{
                if(stmt!=null)
                    stmt.close();
            }catch(SQLException se2){
            }// nothing we can do
            try{
                if(conn!=null)
                    conn.close();
            }catch(SQLException se){
                se.printStackTrace();
            }//end finally try
        }//end try
        System.out.println("So long, Suckers!");
    }//End Main
}