using System;

using System.Collections.Generic;
using Pingchuan.BeijingSafeguard.Model;

namespace Pingchuan.BeijingSafeguard.DAL
{
    public class TagDAL : BaseDAL
    {
        public static int Add(Tag tag)
        {
           return Convert.ToInt32(db.Insert(tag));  
        }

        public static void Delete(int tagId)
        {
            db.Execute("DELETE FROM tags WHERE id = @0", tagId);
        }

        public static void DeleteByTagName(string userId, string taskIds, string tagName)
        {
            string sql = $@"DELETE FROM tags WHERE user_id = {userId} AND task_id IN({taskIds}) AND `name` = '{tagName}'";
            db.Execute(sql);
        }

        public static void DeleteByTaskId(string id)
        {
            db.Execute("DELETE FROM tags WHERE task_id = @0", id);
        }

        public static List<Tag> GetList(int userId)
        {
            string sql = @"SELECT DISTINCT(`name`) FROM tags WHERE user_id = @0";

            return db.Fetch<Tag>(sql, userId);
        }

        public static List<Tag> GetList(int userId, string taskId)
        {
            string sql = $@"select * from tags where user_id = @0 and task_id = @1 
                            order by create_time desc";

            return db.Fetch<Tag>(sql, userId, taskId);
        }
    }
}