package BasePurviewDao

import (
	"dsBaseRpc/RpcService/BasePurview/BasePurviewProto"
	"dsBaseRpc/Utils/CommonUtil"
	"dsBaseRpc/Utils/DbUtil"
	"dsBaseRpc/Utils/SqlKit"
	"dsBaseRpc/models"
	"github.com/xormplus/builder"
)

//操作数据库的变量
var db = DbUtil.Engine

//增加
func AddBasePurview(model models.TBasePurview) (int64, error) {
	return db.Insert(model)
}

//修改
func UpdateBasePurview(model models.TBasePurview, ForceUpdateFields []string) (int64, error) {
	//1、清除Redis缓存
	var ids = []string{model.PurviewId}
	var selector = SqlKit.GetBean("t_base_purview")
	SqlKit.DeleteCacheByIds(ids, selector)
	//2、计算本次操作，有哪些字段需要更新
	NeedUpdateFields := CommonUtil.GetNeedUpdateFields(model)
	//3、合并强制更新的字段
	ForceUpdateFields = append(ForceUpdateFields, NeedUpdateFields...)
	//4、去重
	ForceUpdateFields = CommonUtil.RemoveDuplicatesAndEmpty(ForceUpdateFields)
	//更改排序号
	//（1）权限排序号的范围是parent_id
	var myBuilder = builder.Dialect(builder.MYSQL).Select("purview_id").From("t_base_purview")
	//(2)查询获取到parent_id
	var m1 models.TBasePurview
	db.ID(model.PurviewId).Get(&m1)
	//组装sql
	sql, _ := myBuilder.Where(builder.Eq{"parent_id": m1.ParentId}).And(builder.Gte{"sort_id": model.SortId}).And(builder.Neq{"purview_id": model.PurviewId}).OrderBy("sort_id").ToBoundSQL()
	list, _ := db.SQL(sql).Query().List()
	//事务声明
	session := db.NewSession()
	defer session.Close()
	session.Begin()

	//事务的内容
	for i := range list {
		u := new(models.TBasePurview)
		u.SortId = model.SortId + int32(i+1)
		id := list[i]["purview_id"]
		_, err := session.ID(id).Update(u)
		if err != nil {
			session.Rollback()
			return 0, err
		}
	}
	//事务提交
	err := session.Commit()
	if err != nil {
		return 0, err
	}
	//通过添加Cols函数指定需要更新结构体中的哪些值，未指定的将不更新，指定了的即使为0也会更新。
	return db.Where("purview_id = ?", model.PurviewId).Cols(ForceUpdateFields...).Update(model)
}

//人员有哪些角色
func GetRoleInfoByPersonId(personId string) ([]map[string]interface{}, error) {
	var myBuilder = builder.Dialect(builder.MYSQL).Select("id").From("t_base_role_person")
	sql, _ := myBuilder.Where(builder.Eq{"person_id": personId}).ToBoundSQL()
	list, _, err := SqlKit.Query(sql)
	return list, err
}

//指定的角色数组中有哪些权限
func GetPurviewByRoleArray(roleArray []string) ([]map[string]interface{}, error) {
	var myBuilder = builder.Dialect(builder.MYSQL).Select("id").From("t_base_purview_role")
	sql, _ := myBuilder.Where(builder.In("role_id", roleArray)).ToBoundSQL()
	list, _, err := SqlKit.Query(sql)
	return list, err
}

//分页查询
func PageBasePurview(in *BasePurviewProto.QueryArg) ([]map[string]interface{}, int32, error) {
	//接收传入参数
	var limit = int(in.Limit)
	var offset = int((in.Page - 1) * in.Limit)

	var myBuilder = builder.Dialect(builder.MYSQL).Select("purview_id").From("t_base_purview")
	//人员id
	if in.PersonId != "" {
		//角色列表
		_roleList, _ := GetRoleInfoByPersonId(in.PersonId)
		//角色数组
		roleArray := CommonUtil.ConvertSqlListToArray(_roleList, "role_id")
		//通过角色，获取权限列表
		_purviewList, _ := GetPurviewByRoleArray(roleArray)
		//转为权限数组
		purviewArray := CommonUtil.ConvertSqlListToArray(_purviewList, "purview_id")
		//添加上这个IN的条件集合
		myBuilder.Where(builder.In("purview_id", purviewArray))
	}

	//业务系统编码
	myBuilder.Where(builder.Eq{"business_code": in.BusinessCode})
	//获取拼接完成的SQL语句
	sql, _ := myBuilder.OrderBy("sort_id asc").Limit(limit, offset).ToBoundSQL()
	//通过SQL获取带缓存的数据
	return SqlKit.Query(sql)
}