package controllers

import (
	"git.golem15.com/golem15/summercms/modules/backpack"
	"git.golem15.com/golem15/summercms/modules/compass"
	"git.golem15.com/golem15/summercms/modules/phrasebook"
	"gorm.io/gorm"
)

// appAccess resolves the booted application on every call, so an admin
// controller never keeps a database handle or a config of its own.
type appAccess func() *backpack.App

// application returns the booted app, or nil before boot.
func (a appAccess) application() *backpack.App {
	if a == nil {
		return nil
	}
	return a()
}

// db is the application pool, or nil when the app has none.
func (a appAccess) db() *gorm.DB {
	app := a.application()
	if app == nil {
		return nil
	}
	gdb, ok := app.Lookup[*gorm.DB]()
	if !ok {
		return nil
	}
	return gdb
}

// config is the application config, or nil before boot.
func (a appAccess) config() *compass.Config {
	app := a.application()
	if app == nil {
		return nil
	}
	return app.Config
}

// translator is the application translator, or nil when none is published.
func (a appAccess) translator() *phrasebook.Translator {
	return appTranslator(a.application())
}