using BaseOUDAL;
using System.Collections.Generic;
using YLErp.Modules.SystemModule;

namespace YLErp.Modules.ClientModule
{
    /// <summary>
    /// 客户元数据服务
    /// </summary>
    public class ClientMetaService : ClientBaseService
    {

        public ClientMetaService(OptUserInfo userInfo) : base(userInfo)
        {
        }

        public ClientMetaService(ClientBaseService baseService) : base(baseService)
        {
        }

        public ClientMetaService(BaseService<ClientDBContext> baseService) : base(baseService)
        {
        }

        /// <summary>
        /// 获取元数据
        /// </summary>
        public Dictionary<string, string> GetMetaDic(int clientId)
        {
            return DbContext.ClientMeta.AsNoTracking().Where(t => t.ClientId == clientId)
                .Select(n => new { n.MetaKey, n.MetaValue }).ToDictionary(n => n.MetaKey, n => n.MetaValue);
        }

        /// <summary>
        /// 获取元数据
        /// </summary>
        public string GetMeta(int clientId, string metaKey)
        {
            if (metaKey is null)
            {
                throw new ArgumentNullException(nameof(metaKey));
            }
            return DbContext.ClientMeta.AsNoTracking().FirstOrDefault(t => t.ClientId == clientId && t.MetaKey == metaKey)?.MetaValue;
        }
        /// <summary>
        /// 获取元数据多个客户
        /// </summary>
        public Dictionary<int,string>  GetMeta(List<int> clientIds, string metaKey)
        {
            if (metaKey is null)
            {
                throw new ArgumentNullException(nameof(metaKey));
            }
            return DbContext.ClientMeta.AsNoTracking().Where( t => clientIds.Contains( t.ClientId)&& t.MetaKey == metaKey).Select(n => new
            {
                n.ClientId,
                n.MetaValue
            }).ToDictionary(n => n.ClientId, n => n.MetaValue);
        }
        /// <summary>
        /// 添加或更新元数据
        /// </summary>
        public List<string> AddMeta(int clientId, string metaKey, string metaValue, bool saveChanges = true)
        {
            if (metaKey is null)
            {
                throw new ArgumentNullException(nameof(metaKey));
            }

            List<string> list = new List<string>();

            var dbClientMeta = DbContext.ClientMeta.FirstOrDefault(t => t.ClientId == clientId && t.MetaKey == metaKey);

            if (dbClientMeta == null)
            {
                if (string.IsNullOrEmpty(metaValue))
                {
                    return null;
                }
                DbContext.ClientMeta.Add(new ClientMeta
                {
                    ClientId = clientId,
                    MetaKey = metaKey,
                    MetaValue = metaValue,
                    OptDate = DateTime.Now,
                    OptId = UserId,
                    OptName = UserName
                });

                var FormEditField = ClientEditConfigService.GetFormEditFieldByName(metaKey);
                list = AddMeteLog(metaKey, "“  ”", metaValue);
            }
            else
            {
                if (dbClientMeta.MetaValue != metaValue)
                {
                    var oldMetaValue = dbClientMeta.MetaValue;
                    dbClientMeta.MetaValue = metaValue;
                    dbClientMeta.OptDate = DateTime.Now;
                    dbClientMeta.OptId = UserId;
                    dbClientMeta.OptName = UserName;
                    list = AddMeteLog(metaKey, oldMetaValue, metaValue);
                }
            }
            if (saveChanges)
            {
                DbContext.SaveChanges();
            }
            return list;
        }

        /// <summary>
        /// 添加或更新元数据
        /// </summary>
        public void AddMeta(ClientMeta meta, bool saveChanges = true)
        {
            if (meta is null)
            {
                throw new ArgumentNullException(nameof(meta));
            }

            var dbClientMeta = DbContext.ClientMeta.FirstOrDefault(t => t.ClientId == meta.ClientId && t.MetaKey == meta.MetaKey);
            if (dbClientMeta == null)
            {
                meta.OptDate = DateTime.Now;
                meta.OptId = UserId;
                meta.OptName = UserName;
                DbContext.ClientMeta.Add(meta);
            }
            else
            {
                dbClientMeta.MetaValue = meta.MetaValue;
            }

            if (saveChanges)
            {
                DbContext.SaveChanges();
            }
        }

        /// <summary>
        /// 添加或更新元数据
        /// </summary>
        public void AddMetas(IEnumerable<ClientMeta> clientMetas, bool saveChanges = true)
        {
            if (clientMetas == null || !clientMetas.Any())
            {
                return;
            }

            foreach (var meta in clientMetas)
            {
                var dbClientMeta = DbContext.ClientMeta.FirstOrDefault(t => t.ClientId == meta.ClientId && t.MetaKey == meta.MetaKey);
                if (dbClientMeta == null)
                {
                    meta.OptDate = DateTime.Now;
                    meta.OptId = UserId;
                    meta.OptName = UserName;
                    DbContext.ClientMeta.Add(meta);
                }
                else
                {
                    dbClientMeta.MetaValue = meta.MetaValue;
                }
            }
            if (saveChanges)
            {
                DbContext.SaveChanges();
            }
        }

        /// <summary>
        /// 删除元数据
        /// 不要调用该方法,哪怕客户已经被删除了,也不要删除客户元数据,证券业报送中需要报送客户删除的信息
        /// </summary>
        public void DeleteMetas(IEnumerable<ClientMeta> clientMetas, bool saveChanges = true)
        {
            if (clientMetas == null || !clientMetas.Any())
            {
                return;
            }

            foreach (var clientMeta in clientMetas)
            {
                var dbClientMeta = DbContext.ClientMeta.FirstOrDefault(t => t.ClientId == clientMeta.ClientId && t.MetaKey == clientMeta.MetaKey);
                if (dbClientMeta != null)
                {
                    DbContext.ClientMeta.Remove(dbClientMeta);
                }
            }

            if (saveChanges)
            {
                DbContext.SaveChanges();
            }
        }

        public List<string> AddMeteLog(string metaKey, string oldMetaValue, string metaValue)
        {
            List<string> list = new List<string>();
            if (!string.IsNullOrEmpty(metaKey))
            {
                metaKey = "meta_" + metaKey;
                var FormEditField = ClientEditConfigService.GetFormEditFieldByName(metaKey);
                if (FormEditField != null)
                {
                    list.Add(metaKey);
                    list.Add(FormEditField.label);
                    list.Add(oldMetaValue);
                    list.Add(metaValue);
                }
            }
            return list;
        }
    }
}