using Microsoft.Extensions.DependencyInjection;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using JiShe.CollectBus.Common.Consts;
using JiShe.CollectBus.Common.Extensions;
using JiShe.CollectBus.FreeRedis;
using JiShe.CollectBus.IotSystems.Protocols;
using Volo.Abp.DependencyInjection;
using JiShe.CollectBus.Protocol.Contracts.Interfaces;
using System.Text.RegularExpressions;
using Volo.Abp;

namespace JiShe.CollectBus.Protocol.Contracts.Services
{
    public class ProtocolService : IProtocolService, ISingletonDependency
    {
        private readonly IFreeRedisProvider _freeRedisProvider;

        public ProtocolService(IFreeRedisProvider freeRedisProvider)
        {
            _freeRedisProvider = freeRedisProvider;
        }

        /// <summary>
        /// 通过仪器设备型号获取协议信息
        /// </summary>
        /// <param name="deviceCode"></param>
        /// <param name="isSpecial"></param>
        /// <returns></returns>
        /// <exception cref="UserFriendlyException"></exception>
        public async Task<ProtocolInfo> FirstOrDefaultByDeviceAsync(string deviceCode, bool isSpecial = false)
        {
            var protocols = await _freeRedisProvider.Instance.HGetAllAsync<ProtocolInfo>(RedisConst.ProtocolKey);
            var keyValuePair = protocols.FirstOrDefault(a => ContainsExactPartRegex(deviceCode, a.Value.RegularExpression));
            if (!keyValuePair.Key.IsNullOrWhiteSpace() || keyValuePair.Value != null) return keyValuePair.Value;
            if (isSpecial) throw new UserFriendlyException("The device protocol plugin does not exist!", ExceptionCode.NotFound);
            var hasStandardProtocolPlugin = protocols.TryGetValue("StandardProtocolPlugin", out var protocolInfo);
            if (!hasStandardProtocolPlugin) throw new UserFriendlyException("Standard protocol plugin does not exist!", ExceptionCode.NotFound);
            return protocolInfo;
        }

        private static bool ContainsExactPartRegex(string searchPattern, string fullString)
        {
            // 构建正则表达式 - 匹配以逗号或开头为边界，以逗号或结尾为边界的部分
            var pattern = $"(^|,)\\s*{Regex.Escape(searchPattern)}\\s*(,|$)";
            return Regex.IsMatch(fullString, pattern, RegexOptions.IgnoreCase);
        }
    }
}