package menu

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

type (
	Tree struct {
		ID       string `json:"id"`
		ParentID string `json:"parent_id"`
		*model2.SysMenu
		Path     string  `json:"path"`
		Hidden   int     `json:"hidden"`
		Children []*Tree `json:"children"`
	}
	TreeChecked struct {
		ID       string `json:"id"`
		ParentID string `json:"parent_id"`
		*model2.SysMenuBasic
		Path     string         `json:"path"`
		Hidden   int            `json:"hidden"`
		Checked  bool           `json:"checked"`
		Children []*TreeChecked `json:"children"`
	}
)

// tree 树状筛选
func tree(src []*model2.SysMenu, parentID uint64) []*Tree {
	out := make([]*Tree, 0)

	for _, v := range src {
		if v.ParentID == parentID {
			out = append(out, &Tree{
				ID:       v.GetEncodeID(),
				ParentID: (&model2.Model{ID: v.ParentID}).GetEncodeID(),
				SysMenu:  v,
				Path:     v.Link,
				Hidden:   int(v.IsHidden),
				Children: tree(src, v.ID),
			})
		}
	}
	return out
}

// TreeCheckedFunc 树状筛选
func TreeCheckedFunc(src []*model.SysMenuScene, parentID uint64) []*TreeChecked {
	out := make([]*TreeChecked, 0)

	for _, v := range src {
		if v.ParentID == parentID {
			out = append(out, &TreeChecked{
				ID:           v.GetEncodeID(),
				ParentID:     (&model2.Model{ID: v.ParentID}).GetEncodeID(),
				SysMenuBasic: v.SysMenuBasic,
				Path:         v.Link,
				Hidden:       int(v.IsHidden),
				Checked:      v.SceneID > 0,
				Children:     TreeCheckedFunc(src, v.ID),
			})
		}
	}
	return out
}

// menuForSystem 系统管理员菜单
func menuForSystem(iModel model2.IModel, where ...*model2.ModelWhere) ([]*Tree, error) {
	out, err := iModel.(*model.SysMenu).SystemMenu(where...)

	if err != nil {
		return nil, err
	}
	return tree(out, 0), nil
}

// menuForTenant 租户人员菜单
func menuForTenant(iModel model2.IModel, tenantID uint64, where ...*model2.ModelWhere) ([]*Tree, error) {
	out, err := iModel.(*model.SysMenu).TenantMenu(tenantID, where...)

	if err != nil {
		return nil, err
	}
	return tree(out, 0), nil
}

// MenuForSystem 系统管理员菜单
func MenuForSystem(iModel model2.IModel, where ...*model2.ModelWhere) ([]*Tree, error) {
	return menuForSystem(iModel, where...)
}

// MenuForTenant 租户人员菜单
func MenuForTenant(iModel model2.IModel, tenantID uint64, where ...*model2.ModelWhere) ([]*Tree, error) {
	return menuForTenant(iModel, tenantID, where...)
}

// MenuForUser 当前用户菜单
func MenuForUser(iModel model2.IModel, tenantID uint64, uid uint64, where ...*model2.ModelWhere) ([]*Tree, error) {
	out, err := iModel.(*model.SysMenu).UserMenu(tenantID, uid, where...)
	if err != nil {
		return nil, err
	}
	return tree(out, 0), nil
}

// MenuForTenantChecked 租户选中菜单
func MenuForTenantChecked(iModel model2.IModel, tenantID uint64) ([]*TreeChecked, error) {
	out, err := iModel.(*model.SysMenu).TenantMenuChecked(tenantID)

	if err != nil {
		return nil, err
	}
	return TreeCheckedFunc(out, 0), nil
}

// MenuForRoleChecked 角色选中菜单
func MenuForRoleChecked(iModel model2.IModel, tenantID uint64, roleID uint64) ([]*TreeChecked, error) {
	out, err := iModel.(*model.SysMenu).RoleMenuChecked(tenantID, roleID)

	if err != nil {
		return nil, err
	}
	return TreeCheckedFunc(out, 0), nil
}