using Furion;
using Furion.Logging.Extensions;
using Myshipping.Core.Entity;
using Microsoft.Extensions.DependencyInjection;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Linq.Dynamic.Core;
using System.Linq.Expressions;
using Furion.EventBus;

namespace Myshipping.Core;

public static class SqlSugarSetup
{
    /// <summary>
    /// SqlsugarScope的配置
    /// Scope必须用单例注入
    /// 不可以用Action委托注入
    /// </summary>
    /// <param name="services"></param>
    public static void SqlSugarScopeConfigure(this IServiceCollection services)
    {
        //数据库序号从0开始,默认数据库为0
        var config = App.GetOptions<ConnectionStringsOptions>();

        //默认数据库
        List<DbConfig> dbList = new List<DbConfig>();
        DbConfig defaultdb = new DbConfig()
        {
            DbNumber = config.DefaultDbNumber,
            DbString = config.DefaultDbString,
            DbType = config.DefaultDbType
        };
        dbList.Add(defaultdb);
        //业务数据库集合
        foreach (var item in config.DbConfigs)
        {
            dbList.Add(item);
        }

        List<ConnectionConfig> connectConfigList = new List<ConnectionConfig>();

        foreach (var item in dbList)
        {
            //防止数据库重复，导致的事务异常
            if (connectConfigList.Any(a => a.ConfigId == (dynamic)item.DbNumber || a.ConnectionString == item.DbString))
            {
                continue;
            }
            connectConfigList.Add(new ConnectionConfig()
            {
                ConnectionString = item.DbString,
                DbType = (DbType)Convert.ToInt32(Enum.Parse(typeof(DbType), item.DbType)),
                IsAutoCloseConnection = true,
                ConfigId = item.DbNumber,
                InitKeyType = InitKeyType.Attribute,
                MoreSettings = new ConnMoreSettings()
                {
                    IsAutoRemoveDataCache = true//自动清理缓存

                },
                ConfigureExternalServices = new ConfigureExternalServices()
                {
                    DataInfoCacheService = new SqlSugarCache(),
                    EntityNameService = (type, entity) =>
                    {
                        var attributes = type.GetCustomAttributes(true);
                        if (attributes.Any(it => it is TableAttribute))
                        {
                            entity.DbTableName = (attributes.First(it => it is TableAttribute) as TableAttribute).Name;
                        }
                    },
                    EntityService = (type, column) =>
                    {
                        var attributes = type.GetCustomAttributes(true);
                        if (attributes.Any(it => it is KeyAttribute))// by attribute set primarykey
                        {
                            column.IsPrimarykey = true; //有哪些特性可以看 1.2 特性明细
                        }
                        if (attributes.Any(it => it is ColumnAttribute))
                        {
                            column.DbColumnName = (attributes.First(it => it is ColumnAttribute) as ColumnAttribute).Name;
                        }
                    }
                }
            });
        }

        List<Type> types = App.EffectiveTypes.Where(a => !a.IsAbstract && a.IsClass && a.GetCustomAttributes(typeof(SugarTable), true)?.FirstOrDefault() != null).ToList();

        SqlSugarScope sqlSugarScope = new SqlSugarScope(connectConfigList,
            //全局上下文生效
            db =>
            {
                /*
                 * 默认只会配置到第一个数据库，这里按照官方文档进行多数据库/多租户文档的说明进行循环配置
                 */
                foreach (var c in connectConfigList)
                {
                    var dbProvider = db.GetConnectionScope((string)c.ConfigId);
                    //执行超时时间
                    dbProvider.Ado.CommandTimeOut = 30;

                    dbProvider.Aop.OnLogExecuting = (sql, pars) =>
                    {
                        if (sql.StartsWith("SELECT"))
                        {
                            Console.ForegroundColor = ConsoleColor.Green;
                        }
                        if (sql.StartsWith("UPDATE") || sql.StartsWith("INSERT"))
                        {
                            Console.ForegroundColor = ConsoleColor.White;
                        }
                        if (sql.StartsWith("DELETE"))
                        {
                            Console.ForegroundColor = ConsoleColor.Blue;
                        }
                        //Console.WriteLine("Sql:" + "\r\n\r\n" + UtilMethods.GetSqlString(c.DbType, sql, pars));
                        //App.PrintToMiniProfiler("SqlSugar", "Info", UtilMethods.GetSqlString(c.DbType, sql, pars));
                        //$"DB:{c.ConfigId}, Sql:\r\n\r\n { UtilMethods.GetSqlString(c.DbType, sql, pars)}".LogInformation();


                    };

                    dbProvider.Aop.DataExecuting = (oldValue, entityInfo) =>
                    {
                        if (entityInfo.EntityName == nameof(SysLogOpBuss))
                        {
                            return;
                        }
                        // 新增操作
                        if (entityInfo.OperationType == DataFilterType.InsertByObject)
                        {
                            // 主键(long)-赋值雪花Id
                            if (entityInfo.EntityColumnInfo.IsPrimarykey && entityInfo.EntityColumnInfo.PropertyInfo.PropertyType == typeof(long))
                            {
                                var id = ((dynamic)entityInfo.EntityValue).Id;
                                if (id == null || id == 0)
                                    entityInfo.SetValue(Yitter.IdGenerator.YitIdHelper.NextId());
                            }


                            if (entityInfo.PropertyName == "CreatedTime")
                                entityInfo.SetValue(DateTime.Now);
                            if (App.User != null)
                            {
                                if (entityInfo.PropertyName == "TenantId")
                                {
                                    var tenantId = ((dynamic)entityInfo.EntityValue).TenantId;
                                    if (tenantId == null || tenantId == 0)
                                        entityInfo.SetValue(App.User.FindFirst(ClaimConst.TENANT_ID)?.Value);
                                }
                                if (entityInfo.PropertyName == "TenantName")
                                {
                                    var tenantName = ((dynamic)entityInfo.EntityValue).TenantName;
                                    if (string.IsNullOrEmpty(tenantName))
                                        entityInfo.SetValue(App.User.FindFirst(ClaimConst.TENANT_NAME)?.Value);
                                }
                                if (entityInfo.PropertyName == "CreatedUserId")
                                {
                                    var createUserId = ((dynamic)entityInfo.EntityValue).CreatedUserId;
                                    if (createUserId == null || createUserId == 0)
                                        entityInfo.SetValue(App.User.FindFirst(ClaimConst.CLAINM_USERID)?.Value);
                                }

                                if (entityInfo.PropertyName == "CreatedUserName")
                                {
                                    var CreatedUserName = ((dynamic)entityInfo.EntityValue).CreatedUserName;
                                    if (string.IsNullOrEmpty(CreatedUserName))

                                        entityInfo.SetValue(App.User.FindFirst(ClaimConst.CLAINM_NAME)?.Value);
                                }
                            }
                        }
                        // 更新操作
                        if (entityInfo.OperationType == DataFilterType.UpdateByObject)
                        {
                            if (entityInfo.PropertyName == "UpdatedTime")
                                entityInfo.SetValue(DateTime.Now);
                            if (entityInfo.PropertyName == "UpdatedUserId")
                            {
                                var UpdatedUserId = ((dynamic)entityInfo.EntityValue).UpdatedUserId;
                                if (UpdatedUserId == null || UpdatedUserId == 0)
                                    entityInfo.SetValue(App.User?.FindFirst(ClaimConst.CLAINM_USERID)?.Value);
                            }

                            if (entityInfo.PropertyName == "UpdatedUserName")
                            {
                                var UpdatedUserName = ((dynamic)entityInfo.EntityValue).UpdatedUserName;
                                if (string.IsNullOrEmpty(UpdatedUserName))
                                    entityInfo.SetValue(App.User?.FindFirst(ClaimConst.CLAINM_NAME)?.Value);
                            }

                        }
                    };

                    /* 
                     * 使用 SqlSugarScope 循环配置此项的时候会覆盖整个 ConfigureExternalServices，
                     * 移动到 New ConnectionConfig中配置
                     */
                    //db.CurrentConnectionConfig.ConfigureExternalServices = new ConfigureExternalServices()
                    //{
                    //    DataInfoCacheService = new SqlSugarCache()//配置我们创建的缓存类
                    //};

                    //全局过滤器
                    var superAdminViewAllData = Convert.ToBoolean(App.GetOptions<SystemSettingsOptions>().SuperAdminViewAllData);
                    foreach (var entityType in types)
                    {
                        // 配置多租户全局过滤器
                        if (!entityType.GetProperty(ClaimConst.TENANT_ID).IsEmpty())
                        { //判断实体类中包含TenantId属性
                          //构建动态Lambda
                            var lambda = DynamicExpressionParser.ParseLambda
                            (new[] { Expression.Parameter(entityType, "it") },
                             typeof(bool), $"{nameof(DBEntityTenant.TenantId)} ==  @0 or (@1 and @2)",
                              GetTenantId(), IsSuperAdmin(), superAdminViewAllData);
                            dbProvider.QueryFilter.Add(new TableFilterItem<object>(entityType, lambda)); //将Lambda传入过滤器
                        }
                        // 配置加删除全局过滤器
                        if (!entityType.GetProperty(CommonConst.DELETE_FIELD).IsEmpty())
                        { //判断实体类中包含IsDeleted属性
                          //构建动态Lambda
                            var lambda = DynamicExpressionParser.ParseLambda
                            (new[] { Expression.Parameter(entityType, "it") },
                             typeof(bool), $"{nameof(DEntityBase.IsDeleted)} ==  @0",
                              false);
                            dbProvider.QueryFilter.Add(new TableFilterItem<object>(entityType, lambda)
                            {
                                IsJoinQuery = true
                            }); //将Lambda传入过滤器
                        }
                    }

                }
            });
        services.AddSingleton<ISqlSugarClient>(sqlSugarScope);
        // 注册 SqlSugar 仓储
        services.AddScoped(typeof(SqlSugarRepository<>));
    }



    /// <summary>
    /// 获取当前租户id
    /// </summary>
    /// <returns></returns>
    private static object GetTenantId()
    {
        if (App.User == null) return null;
        return App.User.FindFirst(ClaimConst.TENANT_ID)?.Value;
    }

    /// <summary>
    /// 判断是不是超级管理员
    /// </summary>
    /// <returns></returns>
    private static bool IsSuperAdmin()
    {
        if (App.User == null) return false;
        return App.User.FindFirst(ClaimConst.CLAINM_SUPERADMIN)?.Value == AdminType.SuperAdmin.GetHashCode().ToString();
    }
    /// <summary>
    /// 添加 SqlSugar 拓展
    /// </summary>
    /// <param name="services"></param>
    /// <param name="config"></param>
    /// <param name="buildAction"></param>
    /// <returns></returns>
    public static IServiceCollection AddSqlSugar(this IServiceCollection services, ConnectionConfig config, Action<ISqlSugarClient> buildAction = default)
    {
        var list = new List<ConnectionConfig>();
        list.Add(config);
        return services.AddSqlSugar(list, buildAction);
    }

    /// <summary>
    /// 添加 SqlSugar 拓展
    /// </summary>
    /// <param name="services"></param>
    /// <param name="configs"></param>
    /// <param name="buildAction"></param>
    /// <returns></returns>
    public static IServiceCollection AddSqlSugar(this IServiceCollection services, List<ConnectionConfig> configs, Action<ISqlSugarClient> buildAction = default)
    {
        // 注册 SqlSugar 客户端
        services.AddScoped<ISqlSugarClient>(u =>
        {
            var db = new SqlSugarClient(configs);
            buildAction?.Invoke(db);
            return db;
        });

        // 注册 SqlSugar 仓储
        services.AddScoped(typeof(SqlSugarRepository<>));
        return services;
    }
}