package nofieanggraeni.blogspot.com.todolistsqlite;

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;

public class DbHelper extends SQLiteOpenHelper {
    private static final String DB_NAME="EDMTDev";
    private static final int DB_VER = 1;
    public static final String DB_TABLE="Task";
    public static final String DB_COLUMN = "TaskName";
    public DbHelper(Context context) {
        super(context, DB_NAME, null, DB_VER);
    }
    @Override
    public void onCreate(SQLiteDatabase db) {
        String query = String.format("CREATE TABLE %s (ID INTEGER PRIMARY KEY AUTOINCREMENT,%s TEXT NOT NULL);",
                DB_TABLE,DB_COLUMN);
        db.execSQL(query);
    }
    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
        String query = String.format("DELETE TABLE IF EXISTS %s",DB_TABLE);
        db.execSQL(query);
        onCreate(db);
    }
    public void insertNewTask(String task){
        SQLiteDatabase db= this.getWritableDatabase();
        ContentValues values = new ContentValues();
        values.put(DB_COLUMN,task);
        db.insertWithOnConflict(DB_TABLE,null,values,SQLiteDatabase.CONFLICT_REPLACE);
        db.close();
    }

    public void deleteTask(String task){
        SQLiteDatabase db = this.getWritableDatabase();
        db.delete(DB_TABLE,DB_COLUMN + " = ?",new String[]{task});
        db.close();
    }

        public ArrayList<String> getTaskList(){ ArrayList<String> taskList = new ArrayList<>();
        SQLiteDatabase db = this.getReadableDatabase();
        Cursor cursor = db.query(DB_TABLE,new String[]{
                DB_COLUMN},null,null,null,null,null);
        while(cursor.moveToNext()){
            int index = cursor.getColumnIndex(DB_COLUMN);
            taskList.add(cursor.getString(index));
        }
        cursor.close();
        db.close();
        return taskList;
    }
}