using DS.Module.Core.Data;
using DS.Module.UserModule;
using Microsoft.Extensions.DependencyInjection;
using SqlSugar;
using NLog;
using DS.Module.Core.Log;
using Newtonsoft.Json;
using DS.Module.Core.Extensions;

namespace DS.Module.SqlSugar;

/// <summary>
/// saas数据库服务
/// </summary>
public class SaasDbService : ISaasDbService
{
    private readonly IServiceProvider _serviceProvider;
    private readonly SqlSugarScope db;
    private readonly IUser user;
    private readonly ISaasDbService saasService;
    private static readonly Logger Logger = LogManager.GetCurrentClassLogger();

    /// <summary>
    /// 构造函数
    /// </summary>
    /// <param name="serviceProvider"></param>
    public SaasDbService(IServiceProvider serviceProvider)
    {
        _serviceProvider = serviceProvider;
        db = (SqlSugarScope)_serviceProvider.GetRequiredService<ISqlSugarClient>();
        user = _serviceProvider.GetRequiredService<IUser>();
    }

    /// <summary>
    /// 根据用户租户Id获取业务库
    /// </summary>
    /// <returns></returns>
    public ISqlSugarClient GetBizDb()
    {
        var tenantId = user.GetTenantId().ToString();

        if (!db.IsAnyConnection(tenantId))
        {
            var connInfo = GetMasterDb().Queryable<SysTenantLink>().First(x => x.TenantId == long.Parse(tenantId));
            //用非默认ConfigId进行测试
            //添加业务库只在当前上下文有效（原理：SqlSugarScope模式入门文档去看）
            db.AddConnection(new ConnectionConfig()
            {
                ConfigId = tenantId,
                ConnectionString = connInfo.Connection,
                DbType = connInfo.DbType,
                IsAutoCloseConnection = true
            });
        }

        return db.GetConnection(tenantId);
    }

    /// <summary>
    /// 获取主库信息
    /// </summary>
    /// <returns></returns>
    public ISqlSugarClient GetMasterDb()
    {
        return db.GetConnection("1288018625843826688");
    }

    /// <summary>
    /// 获取日志库信息
    /// </summary>
    /// <returns></returns>
    public SqlSugarScopeProvider GetLogDb()
    {
        return db.GetConnectionScope("1288018625843826680");
    }


    /// <summary>
    /// 主库根据Id获取业务库Scope
    /// </summary>
    /// <param name="configId"></param>
    /// <returns></returns>
    public SqlSugarScopeProvider GetBizDbScopeById(object configId)
    {
        if (!db.IsAnyConnection(configId))
        {
            var connInfo = GetMasterDb().Queryable<SysTenantLink>().First(x => x.TenantId == Convert.ToInt64(configId));
            //用非默认ConfigId进行测试
            //添加业务库只在当前上下文有效（原理：SqlSugarScope模式入门文档去看）
            db.AddConnection(new ConnectionConfig()
            {
                ConfigId = configId,
                ConnectionString = connInfo.Connection,
                DbType = connInfo.DbType,
                IsAutoCloseConnection = true
            });
            var dbProvider = db.GetConnectionScope(configId);
            dbProvider.Ado.CommandTimeOut = 30;
            dbProvider.Aop.OnLogExecuting = (sql, pars) =>
            {
                //执行前事件
                //Logger.Log(LogLevel.Info,
                //    DateTime.Now.ToString() + "\r\n" +
                //    UtilMethods.GetSqlString(c.DbType, sql, pars));

                string sqlStr = sql;
                foreach (var item in pars)
                {
                    if (item.Value != null && item.Value != DBNull.Value)
                    {
                        string? strValue = string.Empty;
                        if (item.DbType == System.Data.DbType.String)
                        {
                            strValue = "'" + (string)item.Value + "'";
                        }
                        else if (item.DbType == System.Data.DbType.Boolean)
                        {
                            strValue = (bool)item.Value ? "1" : "0";
                        }
                        else
                        {
                            strValue = item.Value.ToString();
                        }
                         
                        sqlStr = sqlStr.Replace(item.ParameterName, strValue);
                    }
                }

                Console.WriteLine("执行的SQL：" + Environment.NewLine + sqlStr);
            };

            //数据处理事件
            dbProvider.Aop.DataExecuting = (oldValue, entityInfo) =>
            {
                // 新增操作
                SqlsugarHelper.InsertByObjectForSqlsugar(entityInfo, user);
                // 更新操作
                SqlsugarHelper.UpdateByObjectForSqlsugar(entityInfo, user);
            };

            dbProvider.Aop.OnDiffLogEvent = it =>
            {
                //排除日志库操作
                if (Convert.ToInt64(configId) != 1288018625843826680)
                {
                    #region 插入日志审计表
                    //操作前记录  包含： 字段描述 列名 值 表名 表描述
                    var editBeforeData = it.BeforeData; //插入Before为null，之前还没进库
                                                        //操作后记录   包含： 字段描述 列名 值  表名 表描述
                    var editAfterData = it.AfterData;
                    var sql = it.Sql;
                    var parameter = it.Parameters;
                    var data = it.BusinessData; //这边会显示你传进来的对象
                    var time = it.Time;
                    var diffType = it.DiffType; //enum insert 、update and delete

                    var diffData = SqlSugarDiffUtil.GetDiff(editBeforeData, editAfterData);

                    if (diffData.IsNotNull())
                    {
                        var auditData = new SysLogAudit()
                        {
                            KeyId = Convert.ToInt64(diffData.Id),
                            Sql = it.Sql,
                            Param = JsonConvert.SerializeObject(it.Parameters),
                            OperateType = diffType.ToString(),
                            OldValue = JsonConvert.SerializeObject(editBeforeData),
                            NewValue = JsonConvert.SerializeObject(editAfterData),
                            DiffData = diffData.DiffData,
                            AopData = JsonConvert.SerializeObject(it.BusinessData),
                        };
                        db.GetConnection(1288018625843826680).Insertable(auditData).ExecuteCommand(); 
                    }
                   
                    #endregion
                }

            };
            //全局过滤租户Id
            dbProvider.QueryFilter.AddTableFilter<ITenantId>(m => m.TenantId ==long.Parse(user.TenantId));
            //全局过滤机构Id
            dbProvider.QueryFilter.AddTableFilter<IOrgId>(m => m.OrgId == user.GetOrgId());
            //全局软删除过滤
            dbProvider.QueryFilter.AddTableFilter<IDeleted>(m => m.Deleted == false);
        }

        return db.GetConnectionScope(configId);
    }

    public SqlSugarScopeProvider GetMasterDbScope()
    {
        return db.GetConnectionScope("1288018625843826688");
    }
}