using Newtonsoft.Json;
using StackExchange.Redis;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using WX.CRM.Model.Redis;

namespace WX.CRM.DAL.Redis
{
    public sealed class RedisList<T> : RedisStore
    {
        public RedisList(RedisConfig redisConfig = RedisConfig.Redis0)
            : base(redisConfig)
        {

        }
        public RedisList(RedisKey key, RedisConfig redisConfig = RedisConfig.Redis0)
            : base(key, redisConfig)
        {
        }

        public long LeftPush(T data)
        {
            var value = JsonConvert.SerializeObject(data);
            return Database.ListLeftPush(Key, value);
        }
        public async Task<long> LeftPushAsync(T data)
        {
            var value = JsonConvert.SerializeObject(data);
            return await Database.ListLeftPushAsync(Key, value);
        }
        public long LeftPush(RedisKey key, T data)
        {
            var value = JsonConvert.SerializeObject(data);
            return Database.ListLeftPush(key, value);
        }
        public async Task<long> LeftPushAsync(RedisKey key, T data)
        {
            var value = JsonConvert.SerializeObject(data);
            return await Database.ListLeftPushAsync(key, value);
        }
        public async Task<long> LeftPushAsync(T[] data)
        {
            var redisValues = data.Select(x =>
            {
                var rv = Settings.ValueConverter.Serialize(x);
                return rv;
            }).ToArray();

            return await Database.ListLeftPushAsync(Key, redisValues);
        }
        public long RightPush(T data)
        {
            var value = JsonConvert.SerializeObject(data);
            return Database.ListRightPush(Key, value);
        }
        public async Task<long> RightPushAsync(T data)
        {
            var value = JsonConvert.SerializeObject(data);
            return await Database.ListRightPushAsync(Key, value);
        }
        public async Task<long> RightPushAsync(T[] data)
        {
            var redisValues = data.Select(x =>
            {
                var rv = Settings.ValueConverter.Serialize(x);
                return rv;
            }).ToArray();

            return await Database.ListRightPushAsync(Key, redisValues);
        }
        public async Task<T> LeftPopAsync()
        {
            var value = await Database.ListLeftPopAsync(Key);
            return Settings.ValueConverter.Deserialize<T>(value);
        }
        public async Task<T> RightPopAsync()
        {
            var value = await Database.ListRightPopAsync(Key);
            return Settings.ValueConverter.Deserialize<T>(value);
        }
        public async Task<T> RightPopAsync(RedisKey key)
        {
            var value = await Database.ListRightPopAsync(key);
            return Settings.ValueConverter.Deserialize<T>(value);
        }
        public async Task<T> RightPopLeftPushAsync(RedisKey destination)
        {
            return await RightPopLeftPushAsync(Key, destination);
        }

        public async Task<T> RightPopLeftPushAsync(RedisKey key, RedisKey destination)
        {
            var value = await Database.ListRightPopLeftPushAsync(key, destination);
            return Settings.ValueConverter.Deserialize<T>(value);
        }
        public IEnumerable<T> Range(long start = 0, long stop = -1)
        {
            var results = Database.ListRange(Key, start, stop);
            var resultArray = results.Select(x => Settings.ValueConverter.Deserialize<T>(x));
            return resultArray;
        }
        public async Task<IEnumerable<T>> RangeAsync(long start = 0, long stop = -1)
        {
            var results = await Database.ListRangeAsync(Key, start, stop);
            var resultArray = results.Select(x => Settings.ValueConverter.Deserialize<T>(x));
            return resultArray;
        }
        public long Remove(T data)
        {
            var value = Settings.ValueConverter.Serialize(data);
            return Database.ListRemove(Key, value);
        }
        public async Task<long> RemoveAsync(T data)
        {
            var value = Settings.ValueConverter.Serialize(data);
            return await Database.ListRemoveAsync(Key, value);
        }
        public async Task<long> RemoveAsync(RedisKey key, T data)
        {
            Key = key;
            var value = Settings.ValueConverter.Serialize(data);
            return await Database.ListRemoveAsync(Key, value);
        }

        public long Llen()
        {
            return Llen(Key);
        }

        public async Task<long> LlenAsync()
        {
            return await LlenAsync(Key);
        }

        public long Llen(RedisKey key)
        {
            return Database.ListLength(key);
        }

        public async Task<long> LlenAsync(RedisKey key)
        {
            return await Database.ListLengthAsync(key);
        }

        /// <summary>
        /// LINDEX http://redis.io/commands/lindex
        /// </summary>
        public T GetByIndex(long index)
        {
            return GetByIndex(Key, index);
        }
        public T GetByIndex(RedisKey key, long index)
        {
            var value = Database.ListGetByIndex(key, index);
            return Settings.ValueConverter.Deserialize<T>(value);
        }
        public async Task<T> GetByIndexAsync(long index)
        {
            return await GetByIndexAsync(Key, index);
        }
        /// <summary>
        /// LINDEX http://redis.io/commands/lindex
        /// </summary>
        public async Task<T> GetByIndexAsync(RedisKey key, long index)
        {
            var value = await Database.ListGetByIndexAsync(key, index);
            return Settings.ValueConverter.Deserialize<T>(value);
        }
    }
}