using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Data.SQLite;
using System.Windows.Forms;

namespace WindowsFormsApp1.utils
{
    class SQLiteDataBaseUtil
    {

        SQLiteConnection con;



        private static SQLiteDataBaseUtil instance;
        public static SQLiteDataBaseUtil getInstance() {
            if (instance == null)
            {
                SQLiteConnection.CreateFile("BKZ");//创建数据库
                instance = new SQLiteDataBaseUtil();
                instance.con = new SQLiteConnection("Data Source=BKZ;Version=3;");
                instance.init();
            }
            return instance;
        }


        //初始化数据库
        private void init() {
            this.con = new SQLiteConnection("Data Source=record.sqlite;Version=3;");
            con.Open();
            string sql = "CREATE TABLE  IF NOT EXISTS tb_account_info (accountName varchar(128), loginState int)";
            SQLiteCommand command = new SQLiteCommand(sql, con);
            command.ExecuteNonQuery();
            con.Close();
        }

        //添加本地淘宝账号
        public void AddTaoBaoAccount() {
            con.Open();
            string sql = "insert into tb_account_info (accountName, loginState) values ('贺小辉1011', 1)";
            SQLiteCommand command = new SQLiteCommand(sql, con);
            command.ExecuteNonQuery();
            con.Close();
        }

        //查询淘宝账号


        public void ListTaoBaoAccount() {
            con.Open();
            string sql = "select * from tb_account_info";
            SQLiteCommand command = new SQLiteCommand(sql, con);
            SQLiteDataReader reader = command.ExecuteReader();
            while (reader.Read())
                Console.WriteLine("accountName: " + reader["accountName"] + "\n loginState: " + reader["loginState"]);
            Console.ReadLine();
            con.Close();
        }


        //删除淘宝账号

        //修改账号状态







    }
}