package auth

import (
	"SciencesServer/app/api/admin/model"
	model2 "SciencesServer/app/common/model"
	"SciencesServer/app/session"
	"errors"
)

type Instance struct{ *session.Admin }

type InstanceHandle func(session *session.Admin) *Instance

type InstanceParams struct {
	ID, ParentID       uint64
	Kind, Sort         int
	Name, Auth, Remark string
}

// Index 列表信息
func (c *Instance) Index() ([]*Tree, error) {
	mSysAuth := model.NewSysAuth()

	where := []*model2.ModelWhereOrder{
		&model2.ModelWhereOrder{Order: model2.NewOrder("sort", model2.OrderModeToAsc)},
		&model2.ModelWhereOrder{Order: model2.NewOrder("parent_id", model2.OrderModeToAsc)},
	}
	out := make([]*model2.SysAuth, 0)

	if err := model2.Scan(mSysAuth, &out, where...); err != nil {
		return nil, err
	}
	return tree(out, 0), nil
}

// Form 数据操作
func (c *Instance) Form(params *InstanceParams) error {
	mSysAuth := model.NewSysAuth()

	if params.ID > 0 {
		mSysAuth.ID = params.ID

		if isExist, err := model2.First(mSysAuth.SysAuth); err != nil {
			return err
		} else if !isExist {
			return errors.New("操作错误，权限信息不存在")
		}
	}
	mSysAuth.ParentID = params.ParentID
	mSysAuth.Kind = model2.SysAuthKind(params.Kind)
	mSysAuth.Name = params.Name
	mSysAuth.Auth = params.Auth
	mSysAuth.Sort = params.Sort
	mSysAuth.Remark = params.Remark

	if mSysAuth.ID > 0 {
		return model2.Updates(mSysAuth.SysAuth, mSysAuth.SysAuth)
	}
	return model2.Create(mSysAuth.SysAuth)
}

func (c *Instance) Delete(id uint64) error {
	mSysAuth := model.NewSysAuth()
	mSysAuth.ID = id

	err := model2.Delete(mSysAuth.SysAuth)

	if err != nil {
		return err
	}
	return nil
}

func NewInstance() InstanceHandle {
	return func(session *session.Admin) *Instance {
		return &Instance{Admin: session}
	}
}