package controllers

import (
	"context"

	"git.golem15.com/golem15/sm-menu-plugin/models"
	"git.golem15.com/golem15/summercms/modules/backpack"
	"git.golem15.com/golem15/summercms/modules/pact"
)

// MenusControllerID is the cabana controller id of the Menus screen.
const MenusControllerID = "golem15.menu.menus"

// menusAdminController lists and edits menus: name, code, CSS class and the
// active switch.
type menusAdminController struct {
	app func() *backpack.App
}

func (menusAdminController) ID() string { return MenusControllerID }

func (menusAdminController) ModelName() string { return `Golem15\Menu\Models\Menu` }

func (menusAdminController) ConfigDir() string { return "controllers/menus" }

func (menusAdminController) RequiredPermissions() []string {
	return []string{PermissionManageMenu}
}

func (menusAdminController) NewRecord() any { return &models.Menu{} }

// Site-cache purge kinds of the menu plugin's saves.
const (
	siteCacheKindMenu  = "menu"
	siteCacheKindEntry = "menu_entry"
)

// FormAfterCreate purges the host site's page caches once the save commits.
func (c menusAdminController) FormAfterCreate(ctx context.Context, model any) error {
	c.purge(ctx, model)
	return nil
}

// FormAfterUpdate purges the host site's page caches once the save commits.
func (c menusAdminController) FormAfterUpdate(ctx context.Context, model any) error {
	c.purge(ctx, model)
	return nil
}

// FormAfterDelete purges the host site's page caches once the delete
// commits.
func (c menusAdminController) FormAfterDelete(ctx context.Context, model any) error {
	c.purge(ctx, model)
	return nil
}

// purge registers a purge of kind menu with the menu's code.
func (c menusAdminController) purge(ctx context.Context, model any) {
	if menu, ok := model.(*models.Menu); ok && menu != nil {
		purgeSiteCache(ctx, c.app, siteCacheKindMenu, menu.Code)
	}
}

var (
	_ pact.AdminController   = menusAdminController{}
	_ pact.AdminPermissioned = menusAdminController{}
	_ pact.AdminRecordSource = menusAdminController{}
	_ pact.FormAfterCreate   = menusAdminController{}
	_ pact.FormAfterUpdate   = menusAdminController{}
	_ pact.FormAfterDelete   = menusAdminController{}
)