using Microsoft.Extensions.DependencyInjection;
using SqlSugar;
using Volo.Abp.Data;
using Volo.Abp.DependencyInjection;
using Volo.Abp.Users;
using Yi.Framework.Rbac.Domain.Authorization;
using Yi.Framework.Rbac.Domain.Entities;
using Yi.Framework.Rbac.Domain.Extensions;
using Yi.Framework.Rbac.Domain.Shared.Consts;
using Yi.Framework.Rbac.Domain.Shared.Enums;
using Yi.Framework.SqlSugarCore;

namespace Yi.Framework.Rbac.SqlSugarCore
{
    public class YiRbacDbContext : SqlSugarDbContext
    {
        protected IDataFilter DataFilter => LazyServiceProvider.LazyGetRequiredService<IDataFilter>();
        protected ICurrentUser CurrentUser => LazyServiceProvider.GetRequiredService<ICurrentUser>();
        protected override void CustomDataFilter(ISqlSugarClient sqlSugarClient)
        {
            if (DataFilter.IsEnabled<IDataPermission>())
            {
                DataPermissionFilter(sqlSugarClient);
            }
        }


        public YiRbacDbContext(IAbpLazyServiceProvider lazyServiceProvider) : base(lazyServiceProvider)
        {
        }
        /// <summary>
        /// 数据权限过滤
        /// </summary>
        protected void DataPermissionFilter(ISqlSugarClient sqlSugarClient)
        {
            //获取当前用户的信息
            if (CurrentUser.Id == null || CurrentUser.IsRefreshToken()) return;
            //管理员不过滤
            if (CurrentUser.UserName.Equals(UserConst.Admin) || CurrentUser.Roles.Any(f => f.Equals(UserConst.AdminRolesCode))) return;
            var expUser = Expressionable.Create<UserAggregateRoot>();
            var expRole = Expressionable.Create<RoleAggregateRoot>();


            var roleInfo = CurrentUser.GetRoleInfo();

            //如果无岗位，或者无角色，只能看自己的数据
            if (/*CurrentUser.GetDeptId() is null ||*/ roleInfo is null)
            {
                expUser.Or(it => it.Id == CurrentUser.Id);
                expRole.Or(it => roleInfo.Select(x => x.Id).Contains(it.Id));
            }
            else
            {
                foreach (var role in roleInfo.OrderBy(f => f.DataScope))
                {
                    var dataScope = role.DataScope;
                    if (DataScopeEnum.ALL.Equals(dataScope))//所有权限
                    {
                        break;
                    }
                    else if (DataScopeEnum.CUSTOM.Equals(dataScope))//自定数据权限
                    {
                        //" OR {}.dept_id IN ( SELECT dept_id FROM sys_role_dept WHERE role_id = {} ) ", deptAlias, role.getRoleId()));

                        expUser.Or(it => SqlFunc.Subqueryable<RoleDeptEntity>().Where(f => f.DeptId == it.DeptId && f.RoleId == role.Id).Any());
                    }
                    else if (DataScopeEnum.DEPT.Equals(dataScope))//本部门数据
                    {
                        expUser.Or(it => it.DeptId == CurrentUser.GetDeptId());
                    }
                    else if (DataScopeEnum.DEPT_FOLLOW.Equals(dataScope))//本部门及以下数据
                    {
                        //SQl  OR {}.dept_id IN ( SELECT dept_id FROM sys_dept WHERE dept_id = {} or find_in_set( {} , ancestors ) )
                        var allChildDepts = sqlSugarClient.Queryable<DeptAggregateRoot>().ToChildList(it => it.ParentId, CurrentUser.GetDeptId());

                        expUser.Or(it => allChildDepts.Select(f => f.Id).ToList().Contains(it.DeptId ?? Guid.Empty));
                    }
                    else if (DataScopeEnum.USER.Equals(dataScope))//仅本人数据
                    {
                        expUser.Or(it => it.Id == CurrentUser.Id);
                        expRole.Or(it => roleInfo.Select(x => x.Id).Contains(it.Id));

                    }
                }

            }



            sqlSugarClient.QueryFilter.AddTableFilter(expUser.ToExpression());
            sqlSugarClient.QueryFilter.AddTableFilter(expRole.ToExpression());
        }

    }
}