using System.Reflection;
using DS.Module.Core;
using DS.Module.Core.Data;
using DS.Module.Core.Extensions;
using DS.Module.Core.Helpers;
using DS.Module.SqlSugar;
using DS.WMS.Core.Sys.Dtos;
using DS.WMS.Core.Sys.Entity;
using DS.WMS.Core.Sys.Interface;
using Mapster;
using Microsoft.Extensions.DependencyInjection;
using SqlSugar;

namespace DS.WMS.Core.Sys.Method;

/// <summary>
///
/// </summary>
public class TenantService : ITenantService
{
    private readonly IServiceProvider _serviceProvider;
    private readonly ISqlSugarClient db;
    private readonly ISaasDbService saasService;
    /// <summary>
    ///
    /// </summary>
    /// <param name="serviceProvider"></param>
    public TenantService(IServiceProvider serviceProvider)
    {
        _serviceProvider = serviceProvider;
        db = _serviceProvider.GetRequiredService<ISqlSugarClient>();
        saasService = _serviceProvider.GetRequiredService<ISaasDbService>();
    }

    /// <summary>
    ///
    /// </summary>
    /// <param name="request"></param>
    /// <returns></returns>
    public DataResult<List<TenantRes>> GetListByPage(PageRequest request)
    {
        //序列化查询条件
        var whereList = db.ConfigQuery.Context.Utilities.JsonToConditionalModels(request.QueryCondition);
        var data = db.Queryable<SysTenant>()
            .Where(x => x.TenantType != 1)
            .Where(whereList)
            .Select<TenantRes>().ToQueryPage(request.PageCondition);
        return data;
    }

    /// <summary>
    ///
    /// </summary>
    /// <param name="id"></param>
    /// <returns></returns>
    public DataResult<TenantRes> GetTenantInfo(string id)
    {
        var data = db.Queryable<SysTenant>()
            .Where(a => a.Id == long.Parse(id))
            .Select<TenantRes>()
            .First();
        return DataResult<TenantRes>.Success(data);
    }

    /// <summary>
    /// 获取租户权限
    /// </summary>
    /// <param name="id"></param>
    /// <returns></returns>
    public DataResult<long[]> GetTenantPermission(string id)
    {
        var data = db.Queryable<SysPermissionTenant>().Filter(null, true).Where(x => x.TenantId == long.Parse(id) && x.IsHidden == false)
            .Select(x => x.PermissionId).ToArray();
        return DataResult<long[]>.Success("获取数据成功!", data, MultiLanguageConst.DataQuerySuccess);
    }

    /// <summary>
    /// 租户权限模块授权
    /// </summary>
    /// <param name="req"></param>
    /// <returns></returns>
    public DataResult UpdateTenantPermission(TenantPermissionReq req)
    {
        try
        {
            //开启事务
            db.Ado.BeginTran();

            var existPermissions = db.Queryable<SysPermissionTenant>().Filter(null, true)
                .Where(x => x.TenantId == req.TenantId && x.IsHidden == false).Select(n => n.PermissionId).ToArray();
            var hiddenPermissions = db.Queryable<SysPermissionTenant>().Filter(null, true)
                .Where(x => x.TenantId == req.TenantId && x.IsHidden == true).Select(n => n.PermissionId).ToArray();
            var tenant = db.Queryable<SysTenant>().First(x => x.Id == req.TenantId);
            IEnumerable<long> delPermissions = existPermissions.AsQueryable().Except(req.PermissionIds);
            //取消权限
            if (delPermissions.Count() > 0)
            {
                var delPers = db.Queryable<SysPermissionTenant>().Filter(null, true).Where(x =>
                        x.TenantId == req.TenantId && delPermissions.Contains(x.PermissionId))
                    .ToList();
                foreach (var item in delPers)
                {
                    item.IsHidden = true;
                }
                db.Updateable(delPers).ExecuteCommand();
            }

            IEnumerable<long> addPermissions = req.PermissionIds.AsQueryable().Except(existPermissions);
            if (addPermissions.Count() > 0)
            { 
                var addPers = db.Queryable<SysPermission>().Filter(null, true)
                    .Where(x => addPermissions.Contains(x.Id)).ToList();
                
                #region 处理租户管理员新增权限

                var tenantRole = db.Queryable<SysRole>().Filter(null, true)
                    .Where(x => x.TenantId == req.TenantId && x.RoleCode == "tenantAdmin").First();
                //写入租户管理员权限
                var rolePerList = new List<SysRolePermission>();
                foreach (var item in addPers)
                { 
                    if (!db.Queryable<SysRolePermission>().Where(x => x.RoleId == tenantRole.Id && x.PermissionId == item.Id).Any())
                    {
                        var rolePer = item.Adapt<SysRolePermission>();
                        rolePer.RoleId = tenantRole.Id;
                        rolePer.PermissionId = item.Id;
                        rolePer.IsPermission = 1;

                        rolePerList.Add(rolePer);
                    } 
                }
                db.Insertable(rolePerList).ExecuteCommandAsync();
                #endregion 处理租户管理员新增权限
                var tenantPerList = new List<SysPermissionTenant>();
                foreach (var item in addPers)
                {
                    if (hiddenPermissions.Contains(item.Id))
                    {
                        var tenantPer = db.Queryable<SysPermissionTenant>().Filter(null, true).Where(x => x.PermissionId == item.Id && x.TenantId == req.TenantId && x.IsHidden == true).First();
                        tenantPer.IsHidden = false;
                        db.Updateable(tenantPer).ExecuteCommand();
                    }
                    else
                    {
                        var tenantPer = item.Adapt<SysPermissionTenant>();
                        tenantPer.Id = SnowFlakeSingle.Instance.NextId();//重新赋值
                        tenantPer.TenantId = req.TenantId;
                        tenantPer.PermissionId = item.Id;

                        tenantPerList.Add(tenantPer);
                    }
                       
                }

                db.Insertable(tenantPerList).ExecuteCommand();
            }


            foreach (var item in req.PermissionAuthList)
            {
                var perAuth = db.Queryable<SysTenantPermissionAuth>().Filter(null, true)
                    .Where(x => x.TenantId == req.TenantId && x.PermissionId == item.PermissionId).First();
                if (perAuth.IsNotNull())
                {
                    if (perAuth.AuthNum != EncrypteHelper.EncryptData(item.AuthNum.ToString(), tenant.AppSecret))
                    {
                        perAuth.AuthNum = EncrypteHelper.EncryptData(item.AuthNum.ToString(), tenant.AppSecret);
                        db.Updateable(perAuth).ExecuteCommand();
                    }
                }
                else
                {
                    var addPerAuth = new SysTenantPermissionAuth()
                    {
                        TenantId = tenant.Id,
                        PermissionId = item.PermissionId,
                        AuthNum = EncrypteHelper.EncryptData(item.AuthNum.ToString(), tenant.AppSecret)
                    };
                    db.Insertable(addPerAuth).ExecuteCommand();
                }
            }

            db.Ado.CommitTran();
            return DataResult.Successed("租户权限模块授权成功!", MultiLanguageConst.DataUpdateSuccess);
        }
        catch (Exception ex)
        {
            db.Ado.RollbackTran();
            return DataResult.Failed("租户权限模块授权失败!" + ex, MultiLanguageConst.DataUpdateFailed);
        }
    }

    public DataResult<List<PermissionAuth>> GetPermissionAuthList(string id)
    {
        var list = new List<PermissionAuth>();
        var tenant = db.Queryable<SysTenant>().First(x => x.Id == long.Parse(id));
        
        var perAuthList = db.Queryable<SysTenantPermissionAuth>().Filter(null, true)
            .Where(x => x.TenantId == long.Parse(id)).ToList();

        foreach (var item in perAuthList)
        {
            list.Add(new PermissionAuth()
            {
                PermissionId = item.PermissionId,
                AuthNum = Int32.Parse(EncrypteHelper.DecryptData(item.AuthNum, tenant.AppSecret)) ,
            });
        }

        return DataResult<List<PermissionAuth>>.Success("获取数据成功!", list, MultiLanguageConst.DataQuerySuccess);
    }

    /// <summary>
    ///  获取租户表差异
    /// </summary>
    /// <param name="id"></param>
    /// <returns></returns>
    public DataResult<List<TableDifferenceInfo>> GetSaasTableDifference(string id)
    {
        var path = AppDomain.CurrentDomain.RelativeSearchPath ?? AppDomain.CurrentDomain.BaseDirectory;
        var referencedAssemblies = Directory.GetFiles(path, "DS.WMS.Core.dll").Select(Assembly.LoadFrom).ToArray();
        var types = referencedAssemblies
            .SelectMany(a => a.DefinedTypes)
            .Select(type => type.AsType())
            .Where(it=>it.FullName.Contains("DS.WMS.Core.Code.Entity.")).ToArray();
        // Type[] types= Assembly
        //     .LoadFrom("DS.WMS.Core.dll")//如果 .dll报错，可以换成 xxx.exe 有些生成的是exe 
        //     .GetTypes().Where(it=>it.FullName.Contains("DS.WMS.Core.Code.Entity."))//命名空间过滤，当然你也可以写其他条件过滤
        //     .ToArray();
        var tenantDb = saasService.GetBizDbScopeById(id);
        var data = tenantDb.CodeFirst.GetDifferenceTables(types).ToDiffList();
        return DataResult<List<TableDifferenceInfo>>.Success("获取数据成功!", data, MultiLanguageConst.DataQuerySuccess);
    }
    /// <summary>
    /// 更新租户表差异
    /// </summary>
    /// <param name="req"></param>
    /// <returns></returns>
    public DataResult UpdateSaasTableInfo(IdModel req)
    {
        // Type[] types= Assembly
        //     .LoadFrom("DS.WMS.Core.dll")//如果 .dll报错，可以换成 xxx.exe 有些生成的是exe 
        //     .GetTypes().Where(it=>it.FullName.Contains("DS.WMS.Core.Code.Entity."))//命名空间过滤，当然你也可以写其他条件过滤
        //     .ToArray();
        var path = AppDomain.CurrentDomain.RelativeSearchPath ?? AppDomain.CurrentDomain.BaseDirectory;
        var referencedAssemblies = Directory.GetFiles(path, "DS.WMS.Core.dll").Select(Assembly.LoadFrom).ToArray();
        var types = referencedAssemblies
            .SelectMany(a => a.DefinedTypes)
            .Select(type => type.AsType())
            .Where(it=>it.FullName.Contains("DS.WMS.Core.Code.Entity.")).ToArray();
        var tenantDb = saasService.GetBizDbScopeById(req.Id);
        StaticConfig.CodeFirst_MySqlCollate="utf8mb4_0900_ai_ci";//较高版本支持
        tenantDb.CodeFirst.InitTables(types);
        return DataResult.Successed("更新租户表信息成功!", MultiLanguageConst.DataUpdateSuccess);
    }
}