using Business.Core.Attributes;
using Microsoft.Extensions.Options;
using MongoDB.Bson;
using MongoDB.Driver;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Business.Core.MongoDBHelper
{
    /// <summary>
    /// MongoDB实现
    /// </summary>
    public class MongoDBTools<T> : IMongoDB<T> where T : class
    {
        public readonly IMongoCollection<T> mongoCollection;
        public IOptionsSnapshot<Config> _config;

        /// <summary>
        /// MongoDB帮助类
        /// </summary>
        /// <param name="config"></param>
        /// <exception cref="NotImplementedException"></exception>
        public MongoDBTools(IOptionsSnapshot<Config> config)
        {
            _config = config;
            //数据库链接
            MongoClient client = new MongoClient(config.Value.connectstring);

            CollectionNameAttribute collectonName = typeof(T).GetCustomAttributes(typeof(CollectionNameAttribute), true).FirstOrDefault() as CollectionNameAttribute;
            if (collectonName == null)
            {
                throw new NotImplementedException("请配置Attribute属性！");
            }
            //数据库
            var database = client.GetDatabase(collectonName.DatabaseName);
            //表名
            mongoCollection = database.GetCollection<T>(collectonName.CollectionName);
        }

        public Task<long> BulkInsert(List<T> documents)
        {
            throw new NotImplementedException();
        }

        public Task<List<T>> GetAll()
        {
            throw new NotImplementedException();
        }

        public Task<T> GetOneByID(long id)
        {
            throw new NotImplementedException();
        }

        public Task Inc(long id)
        {
            throw new NotImplementedException();
        }

        public Task InsertMany(List<T> documents)
        {
            throw new NotImplementedException();
        }

        public Task InsertOne(T document)
        {
            return mongoCollection.InsertOneAsync(document);
        }

        public Task<UpdateResult> UpdateMultiFields(T document, long id)
        {
            throw new NotImplementedException();
        }

        public Task<UpdateResult> UpdateOne(string name, long id)
        {
            throw new NotImplementedException();
        }
    }
}