package com.example.cesar.airsoft;

import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by cesar on 18/3/16.
 */
public class DatabaseHandler extends SQLiteOpenHelper {
    // All Static variables
    // Database Version
    private static final int DATABASE_VERSION = 1;

    // Database Name
    private static final String DATABASE_NAME = "userManager";

    // Contacts table name
    private static final String TABLE_USERS = "Users";

    // Contacts Table Columns names
    private static final String KEY_ID = "id";
    private static final String KEY_NAME = "fullname";
    private static final String KEY_EMAIL = "email";
    private static final String KEY_NICK = "nickname";
    private static final String KEY_PASS = "password";

    public DatabaseHandler(Context context) {
        super(context, DATABASE_NAME, null, DATABASE_VERSION);
    }

    // Creating Tables
    @Override
    public void onCreate(SQLiteDatabase db) {
        String CREATE_USERS_TABLE = "CREATE TABLE " + TABLE_USERS + "("
                + KEY_ID + " INTEGER PRIMARY KEY," + KEY_NAME + " TEXT,"
                + KEY_EMAIL + " TEXT" + KEY_NICK + "TEXT" + KEY_PASS + "TEXT" + ")";
        db.execSQL(CREATE_USERS_TABLE);
    }

    // Upgrading database
    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
        // Drop older table if existed
        db.execSQL("DROP TABLE IF EXISTS " + TABLE_USERS);

        // Create tables again
        onCreate(db);
    }

    // Adding new contact
    public void addUser(User user) {
        SQLiteDatabase db = this.getWritableDatabase();

        ContentValues values = new ContentValues();
        values.put(KEY_NAME, user.getFullname()); // User Name
        values.put(KEY_EMAIL, user.getEmail()); // User Phone Number
        values.put(KEY_NICK, user.getNickname()); // User Nickname
        values.put(KEY_PASS, user.getPassword()); // User Password

        // Inserting Row
        db.insert(TABLE_USERS, null, values);
        db.close(); // Closing database connection
    }

    // Getting single contact
    public User getUser(int id) {
        SQLiteDatabase db = this.getReadableDatabase();

        Cursor cursor = db.query(TABLE_USERS, new String[] { KEY_ID,
                        KEY_NAME, KEY_EMAIL, KEY_NICK, KEY_PASS }, KEY_ID + "=?",
                new String[] { String.valueOf(id) }, null, null, null, null);
        if (cursor != null)
            cursor.moveToFirst();

        User user = new User(Integer.parseInt(cursor.getString(0)),
                cursor.getString(1), cursor.getString(2),cursor.getString(3),cursor.getString(4));
        // return contact
        return user;
    }

    // Getting All Contacts
    public List<User> getAllUsers() {
        List<User> userList = new ArrayList<User>();
        // Select All Query
        String selectQuery = "SELECT  * FROM " + TABLE_USERS;

        SQLiteDatabase db = this.getWritableDatabase();
        Cursor cursor = db.rawQuery(selectQuery, null);

        // looping through all rows and adding to list
        if (cursor.moveToFirst()) {
            do {
                User user = new User();
                user.setID(Integer.parseInt(cursor.getString(0)));
                user.setFullname(cursor.getString(1));
                user.setEmail(cursor.getString(2));
                user.setNickname(cursor.getString(3));
                user.setPassword(cursor.getString(4));

                // Adding contact to list
                userList.add(user);
            } while (cursor.moveToNext());
        }

        // return contact list
        return userList;
    }

    // Getting contacts Count
    public int getUsersCount() {
        String countQuery = "SELECT  * FROM " + TABLE_USERS;
        SQLiteDatabase db = this.getReadableDatabase();
        Cursor cursor = db.rawQuery(countQuery, null);
        cursor.close();

        // return count
        return cursor.getCount();
    }
    // Updating single contact
    public int updateUser(User user) {
        SQLiteDatabase db = this.getWritableDatabase();

        ContentValues values = new ContentValues();
        values.put(KEY_NAME, user.getNickname());
        values.put(KEY_EMAIL, user.getEmail());
        values.put(KEY_NICK, user.getNickname());
        values.put(KEY_PASS, user.getPassword());

        // updating row
        return db.update(TABLE_USERS, values, KEY_ID + " = ?",
                new String[] { String.valueOf(user.getID()) });
    }

    // Deleting single contact
    public void deleteUser(User user) {
        SQLiteDatabase db = this.getWritableDatabase();
        db.delete(TABLE_USERS, KEY_ID + " = ?",
                new String[] { String.valueOf(user.getID()) });
        db.close();
    }

}